San Mateo County property record for 231 26th Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,090 sqft · built 1939 |
| Lot Size | 0.175 acres (7,627 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,825,000 (Sep 2016) |
| Tax Bill | $26,171 (2025) |
| Deeds & Mortgages | Jul 2026 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 039-173-020 |
| Primary APN | 039-173-020 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,090 sqft Living Area |
| 1st Floor Area | 910 sqft |
| Family Room | Family Room |
| Study | Study |
| Year Built | Built 1939 |
|---|---|
| Effective Year Built | Effective 1939 |
| Lot Area | 7,627 sqft (0.175 acres) |
| Lot Dimensions | 127 ft deep x 60 ft wide |
| Garage Area | 230 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 231 26TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-2301 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 6 BLOCK 2 BLOSSOM HEATH MANOR RSM 9/1 CITY OF SAN MATEO |
| Legal Subdivision | BLOSSOM HEATH MANOR |
| Legal Block | 2 |
| Legal Lot Number | 6 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3007 |
| Census Tract | 607400 |
231 26th Ave is owned and occupied by two individuals who bought it in September 2016.
Source: San Mateo County records, as of September 1, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 231 26TH AVE, SAN MATEO, CA 94403-2301 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Husband and Wife |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Sep 26, 2016 · Amount on File |
| Deed Sale | Sep 26, 2016 · Amount on File |
| Prior Sale | Oct 26, 2007 · Amount on File |
| Deed Document Number | 201698555 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jul 20, 2026 |
| Property Address | 231 26TH AVE, SAN MATEO, CA 94403-2301 |
| Document Number | 0000041200 |
| Instrument Date | Jul 9, 2026 |
| Instrument | 202641200 |
| Transaction Type | Transfer |
| Record Updated | Sep 9, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 231 26TH AVE, SAN MATEO, CA 94403-2301 |
The 2025 property tax bill for 231 26th Ave was $26,171.
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 | $2,160,424 (+2%) Land $1,864,477 Building $295,947 | ||
| 2025 | $26,171.00 | $2,118,064 Land $1,827,919 Building $290,145 | |
| 2023 | $25,350.00 (+1.67%) | $2,035,819 Land $1,756,940 Building $278,879 | $2,927,520 |
| 2022 | $24,933.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 231 26th Ave in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 1978.
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 | 1 in force |
| Nearby Flood Claims | 4 (1978–1986) |
| Most Recent Claim | Feb 1986 · Severe Storms & Flooding |
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 231 26th 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 799 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
May also be available: Etheric Networks, GeoLinks, T-Mobile, Verizon.
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