San Mateo County property record for 33 Irving Ave, Atherton, CA 94027
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 6.5 ba · 7,432 sqft · built 1992 |
| Lot Size | 0.927 acres (40,372 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $7,388,000 (Mar 2021) |
| Tax Bill | $90,223 (2025) |
| Deeds & Mortgages | Mar 2021 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 061-131-020 |
| Primary APN | 061-131-020 |
|---|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 6.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 7,432 sqft Living Area |
| 1st Floor Area | 4,115 sqft |
| 2nd Floor Area | 3,317 sqft |
| Family Room | Family Room |
| Study | Study |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1992 |
|---|---|
| Effective Year Built | Effective 1992 |
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Roof Material | Composition Shingle |
| Lot Area | 40,372 sqft (0.927 acres) |
| Lot Dimensions | 205 ft deep x 198 ft wide |
| Garage Area | 640 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 33 IRVING AVE |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-2007 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1001A |
| Legal Description | LOT 13 BLOCK 13 LINDENWOOD MAP NO 4 RSM 29/20 21 TOWN OF ATHERTON |
| Legal Subdivision | LINDENWOOD MAP NO 4 |
| Legal Block | 13 |
| Legal Lot Number | 13 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 611500 |
Source: San Mateo County records, as of July 15, 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 Record |
|---|---|
| Mailing Address | 33 IRVING AVE, ATHERTON, CA 94027-2007 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 8, 2021 · Amount on Record |
| Deed Sale | Mar 8, 2021 · Amount on Record |
| Prior Sale | Jun 15, 2006 · Amount on Record |
| Deed Document Number | 202137783 |
| Prior Transfer Date | Dec 21, 1995 |
| Prior Transfer Doc | 0000139868 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Mar 8, 2021 |
| Property Address | 33 IRVING AVE, ATHERTON, CA 94027-2007 |
| Document Number | 0000037783 |
| Map Reference | MB 29 PG 20&21 |
| Instrument Date | Feb 19, 2021 |
| Instrument | 2021-037783 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Title Company | LAWYERS TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $8,126.80 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 33 IRVING AVE, ATHERTON, CA 94027-2007 |
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 | Assessed Market Value |
|---|---|---|---|
| 2026 | $8,156,946 (+2%) Land $6,072,443 Building $2,084,503 | ||
| 2025 | $90,223.00 (+4.81%) Homeowner's exemption | $7,997,007 (+4.04%) Land $5,953,376 Building $2,043,631 | |
| 2023 | $86,079.00 (+2.42%) Homeowner's exemption | $7,686,475 Land $5,722,200 Building $1,964,275 | $8,649,630 |
| 2022 | $84,043.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 |
| Nearby Flood Policies | 2 in force |
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 98.4% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
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 299 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 · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Etheric Networks, Sonic Telecom.
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