San Mateo County property record for 89 Parker Ave, Atherton, CA 94027 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 2011 |
| Square Footage | 2,094 sqft Living Area |
| Lot Size | 7,800 sqft (0.179 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $428,000 (2008) |
| Tax Bill | $18,988.00 (2025) |
| Primary APN | 070-022-140 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 4 Rooms |
| Building Area | 2,094 sqft Living Area |
| 1st Floor | 1,513 sqft 1st Floor |
| Basement Area | 581 sqft Basement |
| Finished Basement | 581 sqft Finished |
| Family Room | Family Room |
| Stories | 1 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 2011 |
|---|---|
| Effective Year Built | Effective 2011 |
| Lot Area | 7,800 sqft (0.179 acres) |
| Depth X Width | 130 ft x 60 ft Depth x Width |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 240 sqft Garage |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Central Heating |
| Street Address | 89 PARKER AVE |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-5415 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 21 UNIVERSITY VILLA SUB NO 1 RSM 3/47 |
| Legal Subdivision | UNIVERSITY VILLA SUB NO 1 |
| Legal Lot Number | 21 |
| Jurisdiction | SAN MATEO CA |
| Minor Civil Division | SAN MATEO |
| Census Blockgroup | 3 |
| Census Block | 3000 |
| Census Tract | 611400 |
Source: San Mateo County records · APN 070-022-140
Assessment roll updated July 15, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 89 PARKER AVE, ATHERTON, CA 94027-5415 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Dec 30, 2008 · Amount on Record |
| Deed Sale | Dec 30, 2008 · Amount on Record |
| Deed Doc Number | 2008138500 |
| Prior Transfer Date | Dec 17, 2008 |
| Prior Transfer Doc | 0000138500 |
| Record Refreshed | Sep 20, 2026 |
Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| Municipality | Atherton Town |
| County | San Mateo County |
| Elementary School District | Las Lomitas Elementary School District (KG - 08) |
| Secondary School District | Sequoia Union High School District (09 - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,640,154 (+2%) Land $480,948 Building $1,159,206 | ||
| 2025 | $18,988.00 (+3.01%) Homeowner's exemption | $1,607,996 (+4.04%) Land $471,518 Building $1,136,478 | |
| 2023 | $18,434.00 (+2.86%) Homeowner's exemption | $1,545,559 Land $453,209 Building $1,092,350 | $3,517,290 |
| 2022 | $17,921.00 |
89 Parker Ave is in FEMA Zone X, outside the Special Flood Hazard Area, with direct wildfire exposure (Low risk).
Source: FEMA National Flood Hazard Layer · San Mateo County (06081C), updated September 10, 2026
| FEMA Flood Zone | Zone X minimal flood hazard · outside the 0.2% annual chance floodplain |
|---|---|
| Special Flood Hazard Area | No |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Low 5th percentile of exposed land nationally · 3rd in California |
|---|---|
| Wildfire Likelihood | Low — about 1 in 10,000 per year |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; lenders make the official flood determination.
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