San Mateo County property record for 3 12th Ave, San Mateo, CA 94402
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 2.5 ba · 1,660 sqft · built 1980 |
| Lot Size | 0.413 acres (17,979 sqft) |
| Owner | Individual Name on File |
| Last Sale | $236,000 (Aug 1994) |
| Tax Bill | $6,349 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 107-070-010 |
| Primary APN | 107-070-010 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Units | 8 Units |
| Stories | 2 Stories |
| Building Area | 1,660 sqft Living Area |
| Game Room | Game Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Condo/Apartment |
| Roof Material | Tar & Gravel |
| Lot Area | 17,979 sqft (0.413 acres) |
| View / Lot | End Unit |
| Garage Type | Carport |
| Carport | Carport |
| Heating System | Central |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 3 12TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94402-2401 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | R40000 |
| Legal Description | UNIT 1 PARCEL MAP NO 214 HAYWARD PARK ESTATES P M VOL 48/2-6 |
| Legal Subdivision | HAYWARD PARK ESTATES |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 606600 |
3 12th Ave, a condominium, is owned and occupied by an individual who acquired it in July 2014.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 555 LAUREL AVE, 105, SAN MATEO, CA 94401-4157 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Aug 2, 1994 · Amount on File |
| Deed Sale | Aug 2, 1994 · Amount on File |
| Deed Document Number | 1994128492 |
| Last Transfer Date | Jul 28, 2014 |
| Transfer Doc | 0000077464 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 3 12th Ave was $6,349 with a homeowner's exemption.
Source: San Mateo County assessment roll, as of July 15, 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) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $404,306 (+2%) Land $121,285 Building $283,021 | ||
| 2025 | $6,349.00 Homeowner's exemption | $396,379 Land $118,907 Building $277,472 | |
| 2023 | $6,270.00 (+1.01%) Homeowner's exemption | $380,990 Land $114,291 Building $266,699 | $996,930 |
| 2022 | $6,207.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3 12th 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 | 3 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.
The area around 3 12th Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 - SAN MATEO private · serves 103,536 people · EPA ID CA4110008 |
|---|---|
| Water Source | Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM |
| Last State Inspection | Mar 2025 |
| Lead | 4 ppb (2023–2025) 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 906 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| Sonic Telecom Fiber | 1,000 / 1,000 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Unwired, Verizon.
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