San Mateo County property record for 236 Polhemus Ave, Atherton, CA 94027 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 6 Beds |
| Bathrooms | 6.5 Baths |
| Year Built | Built 1987 |
| Square Footage | 5,900 sqft Living Area |
| Lot Size | 1.07 acres |
| Garage | 970 sqft |
| Occupancy | Owner Occupied |
| Tax Bill | $43,569.00 (2025) |
| Primary APN | 070-022-470 |
|---|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 6.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 14 Rooms |
| Building Area | 5,900 sqft Living Area |
| 1st Floor | 3,170 sqft 1st Floor |
| 2nd Floor | 2,730 sqft 2nd Floor |
| Family Room | Family Room |
| Stories | 1 Stories |
| Study | Study |
| Year Built | Built 1987 |
|---|---|
| Effective Year Built | Effective 1987 |
| Lot Area | 46,709 sqft |
| Depth X Width | 221 ft x 214 ft Depth x Width |
| Parking Spaces | 4 Parking Spaces |
| Garage Area | 970 sqft Garage |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Central Heating |
| Street Address | 236 POLHEMUS AVE |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-5439 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 5 POLHEMUS ESTATES RSM 46/42 TOWN OF ATHERTON |
| Legal Subdivision | POLHEMUS ESTATES |
| Legal Lot Number | 5 |
| Jurisdiction | SAN MATEO CA |
| Minor Civil Division | SAN MATEO |
| Census Blockgroup | 3 |
| Census Block | 3000 |
| Census Tract | 611400 |
Source: San Mateo County records · APN 070-022-470
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 | 2 Company Names on File |
|---|---|
| Mailing Address | 236 POLHEMUS AVE, ATHERTON, CA 94027-5439 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Feb 09, 2021 |
| Transfer Doc | 0000025225 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Feb 12, 2021 |
| Property Address | 236 POLHEMUS AVE, ATHERTON, CA 94027-5439 |
| Document Number | 0000025225 |
| Map Reference | MB 46 PG 42 |
| Instrument Date | Feb 09, 2021 |
| Instrument | 2021-025225 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 236 POLHEMUS AVE, ATHERTON, CA 94027-5439 |
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 | $3,933,076 (+2%) Land $1,561,933 Building $2,371,143 | ||
| 2025 | $43,569.00 (+2.87%) Homeowner's exemption | $3,855,957 (+4.04%) Land $1,531,307 Building $2,324,650 | |
| 2023 | $42,355.00 (+2.85%) Homeowner's exemption | $3,706,229 Land $1,471,846 Building $2,234,383 | $8,070,120 |
| 2022 | $41,180.00 |
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