[
  {
    "city": "Santa Clara",
    "address": "1913 Cook Ct, Santa Clara, CA 95050",
    "status": "active",
    "price": 2571000,
    "priceKind": "asking",
    "eventDate": "2026-10-08",
    "beds": 4,
    "baths": 3.5,
    "interiorSqft": 2721,
    "lotSqft": 3363,
    "lotOwnership": "独立地块显示；法律产权和边界仍待 title/survey 核验",
    "yearBuilt": 2026,
    "hoa": 245,
    "hoaFrequency": "monthly",
    "style": "新建独栋 modern farmhouse + ADU",
    "url": "https://www.redfin.com/CA/Santa-Clara/1913-Cook-CT-95050/home/206159539",
    "accessedAt": "2026-10-08",
    "notes": "MLS #41150613；网页更新 2026-10-08 14:36。广告注明 Google 地址 1847 Pruneridge Ave。主屋/ADU 面积分配、独立地址及设施需查批准图纸。新独栋有 HOA；自动 zoning 字段 PQP 未由政府验证，不可采用为实际分区。"
  },
  {
    "city": "Santa Clara",
    "address": "1845 Palm View Pl #211, Santa Clara, CA 95050",
    "status": "active",
    "price": 548888,
    "priceKind": "asking",
    "eventDate": "2026-10-07",
    "beds": 1,
    "baths": 1,
    "interiorSqft": 760,
    "lotSqft": null,
    "lotOwnership": "共有/单位产权；未确认独占地块，不可当作私人院子面积",
    "yearBuilt": 1978,
    "hoa": 546,
    "hoaFrequency": "monthly",
    "style": "condominium",
    "url": "https://www.redfin.com/CA/Santa-Clara/1845-Palm-View-Pl-95050/unit-211/home/2125203",
    "accessedAt": "2026-10-08",
    "notes": "MLS ML82062718；网页更新 2026-10-07 19:08。页面显示 lot 789 sqft，但公共记录未知，未证明独占土地。",
    "displayedLotSqft": 789
  },
  {
    "city": "San Jose",
    "address": "1729 Comstock Way, San Jose, CA 95124",
    "status": "active",
    "price": 1850000,
    "priceKind": "asking",
    "eventDate": "2026-09-30",
    "beds": 4,
    "baths": 2,
    "interiorSqft": 1888,
    "lotSqft": 7000,
    "lotOwnership": "独立地块显示；法律产权和边界仍待 title/survey 核验",
    "yearBuilt": 1962,
    "hoa": null,
    "hoaFrequency": null,
    "style": "Fairglen Eichler（挂牌描述）",
    "url": "https://www.redfin.com/CA/San-Jose/1729-Comstock-Way-95124/home/1457705",
    "accessedAt": "2026-10-08",
    "notes": "MLS ML82063162；网页更新 2026-10-08 07:14。挂牌称 mini-split 与新地毯；屋顶、梁柱、板内地暖是否仍在使用均待检查。HOA 未见合同确认。"
  },
  {
    "city": "San Jose",
    "address": "5600 Country Club Pkwy, San Jose, CA 95138",
    "status": "active",
    "price": 4988000,
    "priceKind": "asking",
    "eventDate": "2026-10-07",
    "beds": 4,
    "baths": 4.5,
    "interiorSqft": 4908,
    "lotSqft": 17860,
    "lotOwnership": "独立地块显示；法律产权和边界仍待 title/survey 核验",
    "yearBuilt": 1997,
    "hoa": 220,
    "hoaFrequency": "monthly",
    "style": "Silver Creek 定制单层 estate",
    "url": "https://www.redfin.com/CA/San-Jose/5600-Country-Club-Pkwy-95138/home/1460752",
    "accessedAt": "2026-10-08",
    "notes": "MLS ML82063064；网页更新 2026-10-07 11:08。lot 0.41 acre 换算约 17,860 sqft；public record baths 5 与挂牌 4.5 不一致。",
    "lotAcres": 0.41
  },
  {
    "city": "Cupertino",
    "address": "10470 Glenview Ave, Cupertino, CA 95014",
    "status": "active",
    "price": 2888000,
    "priceKind": "asking",
    "eventDate": "2026-10-08",
    "beds": 3,
    "baths": 2,
    "interiorSqft": 1668,
    "lotSqft": 6300,
    "lotOwnership": "独立地块显示；法律产权和边界仍待 title/survey 核验",
    "yearBuilt": 1959,
    "hoa": null,
    "hoaFrequency": null,
    "style": "单层独栋（未认证 Ranch）",
    "url": "https://www.redfin.com/CA/Cupertino/10470-Glenview-Ave-95014/home/1293919",
    "accessedAt": "2026-10-08",
    "notes": "MLS ML82063921；网页更新 2026-10-08 13:46。单层与年代不能单独证明具体建筑风格。"
  },
  {
    "city": "Cupertino",
    "address": "8130 Park Villa Cir, Cupertino, CA 95014",
    "status": "active",
    "price": 1499000,
    "priceKind": "asking",
    "eventDate": "2026-10-07",
    "beds": 3,
    "baths": 2,
    "interiorSqft": 1224,
    "lotSqft": null,
    "lotOwnership": "townhome 外观；法律产权待 title/CC&Rs 核验",
    "yearBuilt": 1972,
    "hoa": 433,
    "hoaFrequency": "monthly",
    "style": "townhome（法律产权待核）",
    "url": "https://www.redfin.com/CA/Cupertino/8130-Park-Villa-Cir-95014/home/781315",
    "accessedAt": "2026-10-08",
    "notes": "MLS ML82063651；网页更新 2026-10-08 14:19。产权 PUD/condominium 尚未核验；lot 未取得。"
  },
  {
    "city": "Palo Alto",
    "address": "1070 Harriet St, Palo Alto, CA 94301",
    "status": "active",
    "price": 4988000,
    "priceKind": "asking",
    "eventDate": "2026-09-26",
    "beds": 4,
    "baths": 2.5,
    "interiorSqft": 1957,
    "lotSqft": 6839,
    "lotOwnership": "独立地块显示；法律产权和边界仍待 title/survey 核验",
    "yearBuilt": 1973,
    "hoa": null,
    "hoaFrequency": null,
    "style": "atrium Eichler（挂牌描述）",
    "url": "https://www.redfin.com/CA/Palo-Alto/1070-Harriet-St-94301/home/1290250",
    "accessedAt": "2026-10-08",
    "notes": "MLS ML82062592；网页更新 2026-10-07 11:26。挂牌原描述称 Claude Oakland/Eichler；未做独立建筑史认证。板内地暖状态、单层 overlay/CC&Rs 需查。"
  },
  {
    "city": "Palo Alto",
    "address": "3839 Nathan Way, Palo Alto, CA 94303",
    "status": "active",
    "price": 2980000,
    "priceKind": "asking",
    "eventDate": "2026-10-08",
    "beds": 3,
    "baths": 2,
    "interiorSqft": 1736,
    "lotSqft": 6500,
    "lotOwnership": "独立地块显示；法律产权和边界仍待 title/survey 核验",
    "yearBuilt": 1956,
    "hoa": null,
    "hoaFrequency": null,
    "style": "单层独栋；未认证 Eichler",
    "url": "https://www.redfin.com/CA/Palo-Alto/3839-Nathan-Way-94303/home/1238900",
    "accessedAt": "2026-10-08",
    "notes": "MLS ML82063992；网页更新 2026-10-08 15:45。年代/外观不足以将其认证为 Eichler。"
  },
  {
    "city": "Los Altos",
    "address": "1721 Esberg Rd, Los Altos, CA 94024",
    "status": "active",
    "price": 6000000,
    "priceKind": "asking",
    "eventDate": "2026-10-08",
    "beds": null,
    "baths": null,
    "interiorSqft": null,
    "lotSqft": 11527,
    "lotOwnership": "独立地块显示；法律产权和边界仍待 title/survey 核验",
    "yearBuilt": null,
    "hoa": null,
    "hoaFrequency": null,
    "style": "施工中独栋项目；规划面积非建成面积",
    "url": "https://www.redfin.com/CA/Los-Altos/1721-Esberg-Rd-94024/home/206159877",
    "accessedAt": "2026-10-08",
    "notes": "MLS ML82063931；网页更新 2026-10-08 11:24。广告计划 5 bed/5 bath/3,287 sqft、year built 2026；明确在建，$6M 为当前阶段价格，完成装修须另议追加费用，渲染图仅示意。bed/bath/area/yearBuilt 标为 null 以防误作完工现房。",
    "plannedBeds": 5,
    "plannedBaths": 5,
    "plannedInteriorSqft": 3287,
    "advertisedYearBuilt": 2026,
    "constructionStatus": "in_progress",
    "priceScope": "current_stage_finishing_extra"
  },
  {
    "city": "Los Altos",
    "address": "527 Tyndall St, Los Altos, CA 94022",
    "status": "active",
    "price": 1538000,
    "priceKind": "asking",
    "eventDate": "2026-10-07",
    "beds": 2,
    "baths": 2.5,
    "interiorSqft": 1192,
    "lotSqft": null,
    "lotOwnership": "townhome 外观；法律产权待 title/CC&Rs 核验",
    "yearBuilt": 1991,
    "hoa": 200,
    "hoaFrequency": "monthly",
    "style": "townhome（法律产权待核）",
    "url": "https://www.redfin.com/CA/Los-Altos/527-Tyndall-St-94022/home/855847",
    "accessedAt": "2026-10-08",
    "notes": "MLS ML82063838；网页更新 2026-10-07 13:14。2021 同址 sold $1.4M；当前 ask 比该 sold 高约 9.9%，不是重复成交回报率。",
    "history": [
      {
        "eventDate": "2021-07-31",
        "status": "listed",
        "price": 1350000,
        "priceKind": "asking"
      },
      {
        "eventDate": "2021-08-20",
        "status": "sold",
        "price": 1400000,
        "priceKind": "sold"
      },
      {
        "eventDate": "2026-10-07",
        "status": "listed",
        "price": 1538000,
        "priceKind": "asking"
      }
    ]
  },
  {
    "city": "Los Gatos",
    "address": "117 Hollycrest Dr, Los Gatos, CA 95032",
    "status": "active",
    "price": 2198000,
    "priceKind": "asking",
    "eventDate": "2026-10-07",
    "beds": 3,
    "baths": 2,
    "interiorSqft": 1296,
    "lotSqft": 6100,
    "lotOwnership": "独立地块显示；法律产权和边界仍待 title/survey 核验",
    "yearBuilt": 1958,
    "hoa": null,
    "hoaFrequency": null,
    "style": "Live Oak Manor Ranch（挂牌描述）",
    "url": "https://www.redfin.com/CA/Los-Gatos/117-Hollycrest-Dr-95032/home/1477186",
    "accessedAt": "2026-10-08",
    "notes": "MLS ML82062990；网页更新 2026-10-06 10:15，10-07 时间线重挂。9-29 初始 ask $2.398M，10-06 调为 $2.198M 并撤挂，翌日重挂；目前仍是 ask。",
    "history": [
      {
        "eventDate": "2026-09-29",
        "status": "listed",
        "price": 2398000,
        "priceKind": "asking"
      },
      {
        "eventDate": "2026-10-06",
        "status": "price_changed",
        "price": 2198000,
        "priceKind": "asking"
      },
      {
        "eventDate": "2026-10-07",
        "status": "relisted",
        "price": 2198000,
        "priceKind": "asking"
      }
    ]
  },
  {
    "city": "Los Gatos",
    "address": "14225 Lora Dr #56, Los Gatos, CA 95032",
    "status": "active",
    "price": 595000,
    "priceKind": "asking",
    "eventDate": "2026-09-28",
    "beds": 2,
    "baths": 1,
    "interiorSqft": 996,
    "lotSqft": null,
    "lotOwnership": "共有/单位产权；未确认独占地块，不可当作私人院子面积",
    "yearBuilt": 1963,
    "hoa": 732,
    "hoaFrequency": "monthly",
    "style": "condominium",
    "url": "https://www.redfin.com/CA/Los-Gatos/14225-Lora-Dr-95032/unit-56/home/823870",
    "accessedAt": "2026-10-08",
    "notes": "MLS ML82062839；网页更新 2026-10-05 03:46。页面 lot 1,017 sqft 未证明独占院子。2026-03-11 sold $535K 不在 2021–2025 历史分组；当前 ask 比该 sold 高约 11.2% 不是实现回报。",
    "displayedLotSqft": 1017,
    "history": [
      {
        "eventDate": "2026-03-11",
        "status": "sold",
        "price": 535000,
        "priceKind": "sold"
      },
      {
        "eventDate": "2026-09-28",
        "status": "listed",
        "price": 595000,
        "priceKind": "asking"
      }
    ]
  },
  {
    "city": "Redwood City",
    "address": "1652 Virginia Ave, Redwood City, CA 94061",
    "status": "active",
    "price": 1998000,
    "priceKind": "asking",
    "eventDate": "2026-10-08",
    "beds": 3,
    "baths": 2,
    "interiorSqft": 1885,
    "lotSqft": 6600,
    "lotOwnership": "独立地块显示；法律产权和边界仍待 title/survey 核验",
    "yearBuilt": 1949,
    "hoa": null,
    "hoaFrequency": null,
    "style": "Woodside Plaza 独栋",
    "url": "https://www.redfin.com/CA/Redwood-City/1652-Virginia-Ave-94061/home/1398528",
    "accessedAt": "2026-10-08",
    "notes": "MLS ML82063920；网页更新 2026-10-08 08:15。挂牌称 vaulted/beamed family room，未经结构或许可核验。"
  },
  {
    "city": "Redwood City",
    "address": "72 Cape Hatteras Ct, Redwood City, CA 94065",
    "status": "active",
    "price": 749000,
    "priceKind": "asking",
    "eventDate": "2026-10-05",
    "beds": 2,
    "baths": 1,
    "interiorSqft": 987,
    "lotSqft": null,
    "lotOwnership": "共有/单位产权；未确认独占地块，不可当作私人院子面积",
    "yearBuilt": 1979,
    "hoa": 672,
    "hoaFrequency": "monthly",
    "style": "Redwood Shores 临水 condominium + loft",
    "url": "https://www.redfin.com/CA/Redwood-City/72-Cape-Hatteras-Ct-94065/home/1299278",
    "accessedAt": "2026-10-08",
    "notes": "MLS ML82063631；网页更新 2026-10-08 08:45。广告 loft 被作为第二卧室，是否符合合法卧室条件待核。显示 lot 1,197 sqft 非独占土地证明。需另查洪水地图、保险和 HOA。",
    "displayedLotSqft": 1197
  },
  {
    "city": "San Mateo",
    "address": "1810 Kehoe Ave, San Mateo, CA 94401",
    "status": "active",
    "price": 1595000,
    "priceKind": "asking",
    "eventDate": "2026-10-08",
    "beds": 4,
    "baths": 3,
    "interiorSqft": 2040,
    "lotSqft": 5202,
    "lotOwnership": "独立地块显示；法律产权和边界仍待 title/survey 核验",
    "yearBuilt": 1955,
    "hoa": null,
    "hoaFrequency": null,
    "style": "单层独栋",
    "url": "https://www.redfin.com/CA/San-Mateo/1810-Kehoe-Ave-94401/home/1870047",
    "accessedAt": "2026-10-08",
    "notes": "MLS ML82063947；网页更新 2026-10-08 17:27。header 地块 5,202 sqft 与正文约 5,200 sqft 存在取整差异。"
  },
  {
    "city": "San Mateo",
    "address": "3415 La Selva St, San Mateo, CA 94403",
    "status": "active",
    "price": 900000,
    "priceKind": "asking",
    "eventDate": "2026-10-07",
    "beds": 2,
    "baths": 1.5,
    "interiorSqft": 1190,
    "lotSqft": null,
    "lotOwnership": "townhome 外观；法律产权待 title/CC&Rs 核验",
    "yearBuilt": 1978,
    "hoa": 555,
    "hoaFrequency": "monthly",
    "style": "当前 SFH 字段/此前 townhouse；产权未确认",
    "url": "https://www.redfin.com/CA/San-Mateo/3415-La-Selva-St-94403/home/744624",
    "accessedAt": "2026-10-08",
    "notes": "当前 CRMLS MC26218961；网页更新 2026-10-07 22:15。header 1.5 bath 与正文 1 bath 不一致；当前 property type single-family 与 2024 资料 townhouse 不一致。显示地块 1,466 sqft 不能直接等于私人院子。2024 sold $1.2M → 当前 ask $900K，-25% 不代表已实现再售或城市跌幅。 页面地块显示1,466 sqft，因产权尚未确认，本研究不列入专属地块比较。",
    "history": [
      {
        "eventDate": "2024-04-18",
        "status": "listed",
        "price": 1095000,
        "priceKind": "asking"
      },
      {
        "eventDate": "2024-05-22",
        "status": "sold",
        "price": 1200000,
        "priceKind": "sold"
      },
      {
        "eventDate": "2026-10-07",
        "status": "listed",
        "price": 900000,
        "priceKind": "asking"
      }
    ],
    "displayedLotSqft": 1466
  },
  {
    "city": "Atherton",
    "address": "2 Carolina Ln, Atherton, CA 94027",
    "status": "active",
    "price": 29800000,
    "priceKind": "asking",
    "eventDate": "2026-10-05",
    "beds": 7,
    "baths": 7.5,
    "interiorSqft": 11300,
    "lotSqft": 55321,
    "lotOwnership": "独立地块显示；法律产权和边界仍待 title/survey 核验",
    "yearBuilt": 2003,
    "hoa": null,
    "hoaFrequency": null,
    "style": "三层定制 estate",
    "url": "https://www.redfin.com/CA/Atherton/2-Carolina-Ln-94027/home/854207",
    "accessedAt": "2026-10-08",
    "notes": "MLS ML82063561；网页更新 2026-10-06 11:18。1.27 acre 换算约 55,321 sqft。广告描述 elevator/pool house/wine/theater，面积是否包含附属结构待查。",
    "lotAcres": 1.27
  },
  {
    "city": "Atherton",
    "address": "123 Stockbridge Ave, Atherton, CA 94027",
    "status": "active",
    "price": 14990000,
    "priceKind": "asking",
    "eventDate": "2026-10-06",
    "beds": null,
    "baths": null,
    "interiorSqft": null,
    "lotSqft": 50399,
    "lotOwnership": "独立地块显示；法律产权和边界仍待 title/survey 核验",
    "yearBuilt": null,
    "hoa": null,
    "hoaFrequency": null,
    "style": "获批未来建造方案的项目；非 15,000 sqft 完工现房",
    "url": "https://www.redfin.com/CA/Atherton/123-Stockbridge-Ave-94027/home/1991991",
    "accessedAt": "2026-10-08",
    "notes": "MLS San Francisco #426167967；网页更新 2026-10-06 15:04。宣传 9 bed/13.5 bath/15,000 sqft 是未来 approved plans。价款是否包含全额竣工建筑成本未确定。正文 1.157 acre 换算约 50,399 sqft，header 1.16 为取整。bed/bath/area/yearBuilt 用 null 防止误当现房。2025-11-12 public record sold $9.5M；当前 ask 不能当重复成交涨幅。",
    "plannedBeds": 9,
    "plannedBaths": 13.5,
    "plannedInteriorSqft": 15000,
    "lotAcres": 1.157,
    "constructionStatus": "approved_plans_not_built",
    "priceScope": "completion_cost_not_verified",
    "history": [
      {
        "eventDate": "2025-11-12",
        "status": "sold",
        "price": 9500000,
        "priceKind": "sold",
        "notes": "public records；成交时建筑面积未取得"
      },
      {
        "eventDate": "2026-10-06",
        "status": "listed",
        "price": 14990000,
        "priceKind": "asking"
      }
    ]
  },
  {
    "city": "San Mateo",
    "address": "1586 Lexington Ave, San Mateo, CA 94402",
    "status": "active",
    "price": 4498000,
    "priceKind": "asking",
    "eventDate": "2026-09-17",
    "beds": 3,
    "baths": 2,
    "interiorSqft": 2190,
    "lotSqft": 8803,
    "lotOwnership": "独立地块显示；法律产权和边界仍待 title/survey 核验",
    "yearBuilt": 1956,
    "hoa": null,
    "hoaFrequency": null,
    "style": "Highlands X-100 实验性钢梁 Eichler",
    "url": "https://www.redfin.com/CA/San-Mateo/1586-Lexington-Ave-94402/home/745857",
    "accessedAt": "2026-10-08",
    "notes": "MLS ML82060534；网页更新及 Listed 2026-09-17 09:41。邮寄 San Mateo；Highlands 多为县未建制区域，具体管辖待县 GIS/parcel 核验。广告称六根外露 steel I-beams/two atriums/radiant/recoated foam roof；这是特殊原型，非普通 Eichler 都用钢结构。National Register 身份需官方记录确认。",
    "sampleGroup": "supplemental",
    "jurisdiction": "San Mateo Highlands；未逐地块验证"
  },
  {
    "city": "Santa Clara",
    "address": "3050 Machado Ave, Santa Clara, CA 95051",
    "status": "sold",
    "price": 1749000,
    "priceKind": "sold",
    "eventDate": "2025-11-03",
    "beds": 3,
    "baths": 2,
    "interiorSqft": 1078,
    "lotSqft": 5000,
    "lotOwnership": "独立地块显示；法律产权和边界仍待 title/survey 核验",
    "yearBuilt": 1955,
    "hoa": null,
    "hoaFrequency": null,
    "style": "翻新 Ranch（挂牌描述）",
    "url": "https://www.redfin.com/CA/Santa-Clara/3050-Machado-Ave-95051/home/1576723",
    "accessedAt": "2026-10-08",
    "notes": "MLS ML82020737；1955 建造，挂牌称 2020 大幅翻新，未核施工许可。初始 2025-09-08 ask $1.799M，10-07 改 $1.749M，11-03 sold $1.749M。",
    "sampleGroup": "historical_2021_2025",
    "history": [
      {
        "eventDate": "2025-09-08",
        "status": "listed",
        "price": 1799000,
        "priceKind": "asking"
      },
      {
        "eventDate": "2025-10-07",
        "status": "price_changed",
        "price": 1749000,
        "priceKind": "asking"
      },
      {
        "eventDate": "2025-11-03",
        "status": "sold",
        "price": 1749000,
        "priceKind": "sold"
      }
    ]
  },
  {
    "city": "Santa Clara",
    "address": "2944 Feliz Rd, Santa Clara, CA 95051",
    "status": "sold",
    "price": 1205000,
    "priceKind": "sold",
    "eventDate": "2025-09-08",
    "beds": 2,
    "baths": 2.5,
    "interiorSqft": 1268,
    "lotSqft": null,
    "lotOwnership": "MLS: Condominium Ownership；title 待核",
    "yearBuilt": 2020,
    "hoa": 355,
    "hoaFrequency": "monthly",
    "style": "Nuevo townhome 外观/condominium ownership",
    "url": "https://www.redfin.com/CA/Santa-Clara/2944-Feliz-Rd-95051/home/168872587",
    "accessedAt": "2026-10-08",
    "notes": "MLS ML82015861。Ownership Type 明确 Condominium Ownership。显示 lot 597 sqft/0.0137 acre，公共记录地块未知；不采用为私人地块面积。HOA $355/month 为历史房源字段，当前费用需重核。",
    "sampleGroup": "historical_2021_2025",
    "displayedLotSqft": 597
  },
  {
    "city": "San Jose",
    "address": "1637 Andalusia Way, San Jose, CA 95125",
    "status": "sold",
    "price": 2100000,
    "priceKind": "sold",
    "eventDate": "2021-09-27",
    "beds": 4,
    "baths": 2,
    "interiorSqft": 1943,
    "lotSqft": 6534,
    "lotOwnership": "独立地块显示；法律产权和边界仍待 title/survey 核验",
    "yearBuilt": 1960,
    "hoa": null,
    "hoaFrequency": null,
    "style": "Fairglen Eichler（历史挂牌描述）",
    "url": "https://www.redfin.com/CA/San-Jose/1637-Andalusia-Way-95125/home/584749",
    "accessedAt": "2026-10-08",
    "notes": "历史 MLS 时间线成交事件；低山墙 Eichler，建筑史及条件未经独立检查。",
    "sampleGroup": "historical_2021_2025"
  },
  {
    "city": "Cupertino",
    "address": "22022 Lindy Ln, Cupertino, CA 95014",
    "status": "sold",
    "price": 3550000,
    "priceKind": "sold",
    "eventDate": "2023-12-07",
    "beds": 4,
    "baths": 3.5,
    "interiorSqft": 3289,
    "lotSqft": 58370,
    "lotOwnership": "独立地块显示；法律产权和边界仍待 title/survey 核验",
    "yearBuilt": 1959,
    "hoa": null,
    "hoaFrequency": null,
    "style": "山坡大地块独栋",
    "url": "https://www.redfin.com/CA/Cupertino/22022-Lindy-Ln-95014/home/1191930",
    "accessedAt": "2026-10-08",
    "notes": "lot 1.34 acre 换算近似。初始 2023-09-06 ask $4.188M，数次调价后 sold $3.55M；低于初始 ask 15.2% 不等于低于市场价值。",
    "sampleGroup": "historical_2021_2025",
    "lotAcres": 1.34,
    "history": [
      {
        "eventDate": "2023-09-06",
        "status": "listed",
        "price": 4188000,
        "priceKind": "asking"
      },
      {
        "eventDate": "2023-10-26",
        "status": "relisted",
        "price": 3898000,
        "priceKind": "asking"
      },
      {
        "eventDate": "2023-12-07",
        "status": "sold",
        "price": 3550000,
        "priceKind": "sold"
      }
    ]
  },
  {
    "city": "Palo Alto",
    "address": "3702 Redwood Cir, Palo Alto, CA 94306",
    "status": "sold",
    "price": 3380000,
    "priceKind": "sold",
    "eventDate": "2022-05-13",
    "beds": 3,
    "baths": 2,
    "interiorSqft": 1382,
    "lotSqft": 8388,
    "lotOwnership": "独立地块显示；法律产权和边界仍待 title/survey 核验",
    "yearBuilt": 1952,
    "hoa": null,
    "hoaFrequency": null,
    "style": "中世纪单层；未认证 Eichler",
    "url": "https://www.redfin.com/CA/Palo-Alto/3702-Redwood-Cir-94306/home/1005353",
    "accessedAt": "2026-10-08",
    "notes": "历史广告有 radiant heat/foam roof 但未独立认证 Eichler。初始 ask $2.788M 与 sold $3.38M 相差约 21.2%；单个超标价不能当城市升值率。",
    "sampleGroup": "historical_2021_2025",
    "history": [
      {
        "eventDate": "2022-03-21",
        "status": "listed",
        "price": 2788000,
        "priceKind": "asking"
      },
      {
        "eventDate": "2022-05-13",
        "status": "sold",
        "price": 3380000,
        "priceKind": "sold"
      }
    ]
  },
  {
    "city": "Los Altos",
    "address": "527 Tyndall St, Los Altos, CA 94022",
    "status": "sold",
    "price": 1400000,
    "priceKind": "sold",
    "eventDate": "2021-08-20",
    "beds": 2,
    "baths": 2.5,
    "interiorSqft": 1192,
    "lotSqft": null,
    "lotOwnership": "townhome 外观；法律产权待 title/CC&Rs 核验",
    "yearBuilt": 1991,
    "hoa": null,
    "hoaFrequency": null,
    "style": "townhome（法律产权待核）",
    "url": "https://www.redfin.com/CA/Los-Altos/527-Tyndall-St-94022/home/855847",
    "accessedAt": "2026-10-08",
    "notes": "MLS ML81856314。2021 同址 sold 事件；显示面积/年代与当前记录相同，成交时细部及 HOA 历史费未独立获取。2026 active 样本另列，不可重复用于成交统计。",
    "sampleGroup": "historical_2021_2025"
  },
  {
    "city": "Los Altos",
    "address": "777 Los Altos Ave, Los Altos, CA 94022",
    "status": "sold",
    "price": 6250000,
    "priceKind": "sold",
    "eventDate": "2025-03-05",
    "beds": 4,
    "baths": 4,
    "interiorSqft": 3198,
    "lotSqft": 15094,
    "lotOwnership": "独立地块显示；法律产权和边界仍待 title/survey 核验",
    "yearBuilt": 1954,
    "hoa": null,
    "hoaFrequency": null,
    "style": "North Los Altos 定制单层住宅",
    "url": "https://www.redfin.com/CA/Los-Altos/777-Los-Altos-Ave-94022/home/632372",
    "accessedAt": "2026-10-08",
    "notes": "MLS lot 0.3465 acre 换算约 15,094 sqft；header 0.35 acre 取整。初始 2025-02-12 ask $4.9777M，sold $6.25M，约超 25.6%。页面还有 2026 年 remodel permit 信息，不能把后续现状无条件当 2025 成交状况。",
    "sampleGroup": "historical_2021_2025",
    "lotAcres": 0.3465,
    "history": [
      {
        "eventDate": "2025-02-12",
        "status": "listed",
        "price": 4977700,
        "priceKind": "asking"
      },
      {
        "eventDate": "2025-03-05",
        "status": "sold",
        "price": 6250000,
        "priceKind": "sold"
      }
    ]
  },
  {
    "city": "Los Gatos",
    "address": "16101 S Kennedy Rd, Los Gatos, CA 95030",
    "status": "sold",
    "price": 4000000,
    "priceKind": "sold",
    "eventDate": "2024-07-31",
    "beds": 4,
    "baths": 3.5,
    "interiorSqft": 3562,
    "lotSqft": 30492,
    "lotOwnership": "独立地块显示；法律产权和边界仍待 title/survey 核验",
    "yearBuilt": 1964,
    "hoa": null,
    "hoaFrequency": null,
    "style": "两层山坡独栋",
    "url": "https://www.redfin.com/CA/Los-Gatos/16101-S-Kennedy-Rd-95030/home/736956",
    "accessedAt": "2026-10-08",
    "notes": "MLS living 3,562 sqft 与公共记录 3,460 sqft 不同；MLS lot 0.70 acre（本列 30,492 sqft）与公共记录 0.71 acre（约 30,928 sqft）不同。当前网页记录不等于 2024 无变化现状。初始 2024-05-28 ask $4.695M，sold $4M。",
    "sampleGroup": "historical_2021_2025",
    "lotAcres": 0.7,
    "publicRecordInteriorSqft": 3460,
    "publicRecordLotAcres": 0.71,
    "history": [
      {
        "eventDate": "2024-05-28",
        "status": "listed",
        "price": 4695000,
        "priceKind": "asking"
      },
      {
        "eventDate": "2024-06-10",
        "status": "price_changed",
        "price": 4488000,
        "priceKind": "asking"
      },
      {
        "eventDate": "2024-06-27",
        "status": "price_changed",
        "price": 4288000,
        "priceKind": "asking"
      },
      {
        "eventDate": "2024-07-31",
        "status": "sold",
        "price": 4000000,
        "priceKind": "sold"
      }
    ]
  },
  {
    "city": "Redwood City",
    "address": "766 7th Ave, Redwood City, CA 94063",
    "status": "sold",
    "price": 1292000,
    "priceKind": "sold",
    "eventDate": "2023-07-07",
    "beds": 2,
    "baths": 2,
    "interiorSqft": 1210,
    "lotSqft": 5850,
    "lotOwnership": "独立地块显示；法律产权和边界仍待 title/survey 核验",
    "yearBuilt": 1920,
    "hoa": null,
    "hoaFrequency": null,
    "style": "cottage + 附加 studio（挂牌描述）",
    "url": "https://www.redfin.com/CA/Redwood-City/766-7th-Ave-94063/home/1535040",
    "accessedAt": "2026-10-08",
    "notes": "2023-06-02 ask $1.188M，07-07 sold $1.292M。studio/kitchenette 许可和面积计入口径待核；邮寄 Redwood City，是否 North Fair Oaks 等县管辖未逐 parcel 验证。",
    "sampleGroup": "historical_2021_2025",
    "jurisdiction": "邮寄 Redwood City；实际市/县管辖待核"
  },
  {
    "city": "San Mateo",
    "address": "3415 La Selva St, San Mateo, CA 94403",
    "status": "sold",
    "price": 1200000,
    "priceKind": "sold",
    "eventDate": "2024-05-22",
    "beds": 2,
    "baths": 1.5,
    "interiorSqft": 1190,
    "lotSqft": null,
    "lotOwnership": "townhome 外观；法律产权待 title/CC&Rs 核验",
    "yearBuilt": 1978,
    "hoa": null,
    "hoaFrequency": null,
    "style": "2024 townhouse 描述；法律产权待核",
    "url": "https://www.redfin.com/CA/San-Mateo/3415-La-Selva-St-94403/home/744624",
    "accessedAt": "2026-10-08",
    "notes": "历史 MLS ML81962035。2024-04-18 ask $1.095M，05-22 sold $1.2M。当前与历史 property-type 字段不一致，地块显示值不等于独占院子。 页面地块显示1,466 sqft，因产权尚未确认，本研究不列入专属地块比较。",
    "sampleGroup": "historical_2021_2025",
    "displayedLotSqft": 1466
  },
  {
    "city": "San Mateo",
    "address": "2295 Allegheny Way, San Mateo, CA 94402",
    "status": "sold",
    "price": 3600000,
    "priceKind": "sold",
    "eventDate": "2024-09-26",
    "beds": 4,
    "baths": 3,
    "interiorSqft": 2217,
    "lotSqft": 12301,
    "lotOwnership": "独立地块显示；法律产权和边界仍待 title/survey 核验",
    "yearBuilt": 1957,
    "hoa": null,
    "hoaFrequency": null,
    "style": "Highlands 翻新 Eichler（挂牌描述）",
    "url": "https://www.redfin.com/CA/San-Mateo/2295-Allegheny-Way-94402/home/1219711",
    "accessedAt": "2026-10-08",
    "notes": "MLS ML81979410。MLS living 2,217 与县公共记录 1,770 sqft 不同；MLS lot 0.2824 acre 与县 0.26 acre 不同。网页明确 Incorporated: No，为县管辖。2023 sold $1.6M 是 fix-up，2024 全面翻新 sold $3.6M，+125% 不是纯市场涨幅或净利润。",
    "sampleGroup": "historical_2021_2025",
    "jurisdiction": "San Mateo County unincorporated（MLS: Incorporated No）",
    "lotAcres": 0.2824,
    "publicRecordInteriorSqft": 1770,
    "publicRecordLotAcres": 0.26,
    "history": [
      {
        "eventDate": "2023-02-16",
        "status": "sold",
        "price": 1600000,
        "priceKind": "sold",
        "notes": "MLS ML81914612；fix-up/sweat-equity；当时实际 living area 未独立取得"
      },
      {
        "eventDate": "2024-09-06",
        "status": "listed",
        "price": 2999999,
        "priceKind": "asking"
      },
      {
        "eventDate": "2024-09-11",
        "status": "price_changed",
        "price": 3500000,
        "priceKind": "asking"
      },
      {
        "eventDate": "2024-09-26",
        "status": "sold",
        "price": 3600000,
        "priceKind": "sold",
        "notes": "全面翻新描述；面积口径有差异"
      }
    ]
  },
  {
    "city": "Atherton",
    "address": "1 Sutherland Dr, Atherton, CA 94027",
    "status": "sold",
    "price": 16888888,
    "priceKind": "sold",
    "eventDate": "2022-02-11",
    "beds": 5,
    "baths": 7,
    "interiorSqft": 8727,
    "lotSqft": 45738,
    "lotOwnership": "独立地块显示；法律产权和边界仍待 title/survey 核验",
    "yearBuilt": 2013,
    "hoa": null,
    "hoaFrequency": null,
    "style": "定制 estate",
    "url": "https://www.compass.com/homedetails/1-Sutherland-Dr-Atherton-CA-94027/1PTRAM_pid/",
    "accessedAt": "2026-10-08",
    "notes": "Compass MLS sold 2022-02-11 $16,888,888；公共记录 2022-02-04 约 $16,889,000，时间及取整不同。MLS 8,727 sqft 与公共记录 7,288 sqft 不同；MLS lot 45,738 与公共记录 45,746 sqft 不同。",
    "sampleGroup": "historical_2021_2025",
    "publicRecordInteriorSqft": 7288,
    "publicRecordLotSqft": 45746
  },
  {
    "city": "Atherton",
    "address": "123 Stockbridge Ave, Atherton, CA 94027",
    "status": "sold",
    "price": 9500000,
    "priceKind": "sold",
    "eventDate": "2025-11-12",
    "beds": null,
    "baths": null,
    "interiorSqft": null,
    "lotSqft": 50399,
    "lotOwnership": "独立地块显示；法律产权和边界仍待 title/survey 核验",
    "yearBuilt": null,
    "hoa": null,
    "hoaFrequency": null,
    "style": "地块/未来开发项目；成交时建筑信息未取得",
    "url": "https://www.redfin.com/CA/Atherton/123-Stockbridge-Ave-94027/home/1991991",
    "accessedAt": "2026-10-08",
    "notes": "Public-record sold 事件。lot 采用当前广告 1.157 acre 换算，边界需核；不得把当前未来 15,000 sqft 规划面积回填至 2025 成交住宅面积。",
    "sampleGroup": "historical_2021_2025",
    "lotAcres": 1.157
  }
]