San Mateo County property record for 234 Park Ln, Atherton, CA 94027
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 3,110 sqft · built 1949 |
| Lot Size | 1.2 acres (52,328 sqft) |
| Owner | Company Name on File |
| Last Sale | $12,500,000 (May 2020) |
| Tax Bill | $291,298 (2025) |
| Deeds & Mortgages | May 2020 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 070-330-120 |
| Primary APN | 070-330-120 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 3,110 sqft Living Area |
| 1st Floor Area | 3,110 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1949 |
| Roof Material | Wood Shingle |
| Lot Area | 52,328 sqft |
| Lot Dimensions | 190 ft deep x 275 ft wide |
| View / Lot | Corner |
| Garage Area | 500 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 234 PARK LN |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-5411 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1001A |
| Legal Description | SELY 276.90 FT OF LOT 6 QUILLOTA TRACT NO 2 RSM 43/31 TOWN OF ATHERTON |
| Legal Subdivision | QUILLOTA TRACT |
| Legal Tract | 2 |
| Legal Lot Number | 6 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 611400 |
234 Park Ln is owned by a company that bought it in May 2020.
Source: San Mateo County records, as of August 6, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 4750 WILLOW RD, 225, PLEASANTON, CA 94588-2959 |
| Owner Type | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 18, 2020 · Amount on File |
| Deed Sale | May 18, 2020 · Amount on File |
| Prior Sale | Oct 14, 1998 · Amount on File |
| Deed Document Number | 202045097 |
| Prior Transfer Date | May 21, 2013 |
| Prior Transfer Doc | 0000081421 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | May 18, 2020 |
| Property Address | 234 PARK LN, ATHERTON, CA 94027-5411 |
| Document Number | 0000045097 |
| Instrument Date | May 8, 2020 |
| Instrument | 45097 |
| Transaction Type | Transfer |
| Record Updated | Jun 11, 2020 |
| Title Company | LAWYERS TITLE |
| Amount | Amount on Record |
|---|---|
| Tax | $13,750.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 234 PARK LN ATHERTON CA 940275411, ATHERTON, CA 94027-5411 |
The 2025 property tax bill for 234 Park Ln was $291,298, up 51.1% from the year before.
Source: San Mateo County assessment roll, as of July 15, 2026
| Type | Name |
|---|---|
| State | California |
| Municipality | Atherton Town |
| County | San Mateo County |
| Elementary School District | Menlo Park City Elementary School District (KG - 08) |
| Secondary School District | Sequoia Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $29,045,435 (+9.96%) Land $13,832,435 Building $15,213,000 | |
| 2025 | $291,298.00 (+51.11%) | $26,415,211 Land $13,561,211 Building $12,854,000 |
| 2024 | $192,776.00 (+3.08%) | |
| 2023 | $187,009.00 (+32.87%) | $16,988,613 Land $13,034,613 Building $3,954,000 |
| 2022 | $140,746.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 234 Park Ln in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1995.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 13 policies |
| Nearby Flood Policies | 13 in force |
| Nearby Flood Claims | 2 (1995–1998) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 234 Park Ln is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 96% of the US · lower than 97.4% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CALIFORNIA WATER SERVICE - BEAR GULCH private · serves 60,382 people · EPA ID CA4110006 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Feb 2025 |
| Lead | 4 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 126 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Race Communications Fiber | 10,000 / 10,000 |
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
May also be available: Cruzio, Etheric Networks, T-Mobile.
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