San Mateo County property record for 931 9th Ave, San Mateo, CA 94402 · Last verified July 2026
| Property Type | Residential > Multi-Unit > Duplex |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 3 Baths |
| Architecture Style | Duplex Single |
| Year Built | Built 1948 |
| Square Footage | 2,770 sqft Living Area |
| Lot Size | 4,425 sqft (0.102 acres) |
| Last Sale | $458,000 (1999) |
| Tax Bill | $11,441.00 (2025) |
| Primary APN | 033-302-130 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Partial Baths | 2 Partial Baths |
| Total Rooms | 10 Rooms |
| Units | 2 Units |
| Building Area | 2,770 sqft Living Area |
| Stories | 2 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Architectural Style | Duplex Single Style |
| Roof Material | Composition Shingle Roof |
| Lot Area | 4,425 sqft (0.102 acres) |
| Depth X Width | 75 ft x 50 ft Depth x Width |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central Heating |
|---|
| Street Address | 931 9TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94402-1433 |
| Property Usage | Residential Property Usage |
| Type | Residential > Multi-Unit > Duplex |
| Legal Description | 59 FT X 75 FT ON COR OF S HUMBOLDT & 9TH AVE PTN OF LOTS 1 & 2 BLOCK 10 RESUB OF BLOCK S 5 TO 10 & 16 TO 31 EAST SAN MATEO RSM 6/36 CITY OF SAN MATEO |
| Legal Subdivision | EAST SAN MATEO |
| Legal Block | 10,S |
| Legal Lot Number | 1,2 |
| Jurisdiction | SAN MATEO CA |
| Minor Civil Division | SAN MATEO |
| Census Blockgroup | 1 |
| Census Block | 1015 |
| Census Tract | 606300 |
Source: San Mateo County records · APN 033-302-130
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 | 437A CLARK DR, SAN MATEO, CA 94402-1008 |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Mar 12, 1999 · Amount on Record |
| Deed Sale | Mar 12, 1999 · Amount on Record |
| Deed Doc Number | 199943393 |
| Last Transfer Date | Dec 16, 2005 |
| Transfer Doc | 0000223577 |
| Record Refreshed | Sep 20, 2026 |
Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | San Mateo County |
| Municipality | San Mateo City |
| Elementary School District | San Mateo-Foster City Elementary School District (KG - 08) |
| Secondary School District | San Mateo Union High School District (09 - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $732,357 (+2%) Land $223,862 Building $508,495 | |
| 2025 | $11,441.00 (+8.33%) | $717,998 (+4.04%) Land $219,473 Building $498,525 |
| 2023 | $10,561.00 (-0.61%) | $690,118 Land $210,951 Building $479,167 |
| 2022 | $10,626.00 |
Source: FEMA National Flood Hazard Layer, San Mateo County (06081C), updated September 10, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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