San Mateo County property record for 16 Irving Ave, Atherton, CA 94027
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 7.5 ba · 6,444 sqft · built 2019 |
| Lot Size | 0.939 acres (40,911 sqft) |
| Owner | Company Name on File |
| Last Sale | $11,600,000 (Oct 2024) |
| Tax Bill | $129,619 (2025) |
| Deeds & Mortgages | May 2022 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 061-133-100 |
| Primary APN | 061-133-100 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 7.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 6,444 sqft Living Area |
| 1st Floor Area | 3,665 sqft |
| 2nd Floor Area | 2,779 sqft |
| Year Built | Built 2019 |
|---|---|
| Effective Year Built | Effective 2019 |
| Lot Area | 40,911 sqft (0.939 acres) |
| Lot Dimensions | 177 ft deep x 229 ft wide |
| View / Lot | Corner |
| Garage Area | 805 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 16 IRVING AVE |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-2000 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1001A |
| Legal Description | LOT 1 BLOCK 14 LINDENWOOD MAP NO 4 RSM 29/20 21 TOWN OF ATHERTON |
| Legal Subdivision | LINDENWOOD MAP NO 4 |
| Legal Block | 14 |
| Legal Lot Number | 1 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 611500 |
16 Irving Ave is owned by a company that bought it in October 2024.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 16 IRVING AVE, ATHERTON, CA 94027-2000 |
| Owner Type | Company |
| Vesting | Limited Liability Partnership |
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 | Oct 15, 2024 · Amount on File |
| Deed Sale | Oct 15, 2024 · Amount on File |
| Prior Sale | Nov 25, 2014 · Amount on File |
| Deed Document Number | 202454355 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | May 25, 2022 |
| Property Address | 16 IRVING AVE, ATHERTON, CA 94027-2000 |
| Document Number | 0000042959 |
| Map Reference | MB 29 PG 20&21 |
| Instrument Date | May 19, 2022 |
| Instrument | 2022-042959 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 16 IRVING AVE, ATHERTON, CA 94027-2000 |
| Investor | Possibly a Property Investor |
The 2025 property tax bill for 16 Irving Ave was $129,619, up 20.8% 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 | Assessed Market Value |
|---|---|---|---|
| 2026 | $11,832,000 (+2%) Land $6,344,400 Building $5,487,600 | ||
| 2025 | $129,619.00 (+20.81%) | $11,600,000 Land $6,220,000 Building $5,380,000 | |
| 2024 | $107,295.00 (+1.91%) | ||
| 2023 | $105,279.00 (+2.42%) | $9,450,384 Land $5,140,553 Building $4,309,831 | $7,902,900 |
| 2022 | $102,795.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 16 Irving Ave in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 16 Irving Ave is low, with less than 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 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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