San Mateo County property record for 135 Warren Rd, San Mateo, CA 94401
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,990 sqft · built 1928 |
| Lot Size | 0.252 acres (10,974 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $12,537 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 032-083-190 |
| Primary APN | 032-083-190 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 2,990 sqft Living Area |
| Gross Area | 3,270 sqft |
| 1st Floor Area | 2,270 sqft |
| Basement Area | 1,000 sqft |
| Finished Basement | 720 sqft |
| Unfinished Basement | 280 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1928 |
|---|---|
| Effective Year Built | Effective 1928 |
| Lot Area | 10,974 sqft (0.252 acres) |
| Lot Dimensions | 234 ft deep x 47 ft wide |
| Garage Type | Basement |
| Garage Area | 280 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 135 WARREN RD |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94401-3719 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10010 |
| Legal Description | LOT 2 SUB OF LOT 80 SAN MATEO PARK RSM 18/2 CITY OF SAN MATEO |
| Legal Subdivision | SAN MATEO PARK |
| Legal Lot Number | 2,80 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 605800 |
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 | 135 WARREN RD, SAN MATEO, CA 94401-3719 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Sep 30, 2001 |
| Transfer Doc | 0000012742 |
| Record Updated | Sep 20, 2026 |
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 | $964,825 (+2%) Land $272,808 Building $692,017 | ||
| 2025 | $12,537.00 (+5.11%) Homeowner's exemption | $945,908 (+4.04%) Land $267,459 Building $678,449 | |
| 2023 | $11,928.00 (+0.02%) Homeowner's exemption | $909,179 Land $257,074 Building $652,105 | $3,811,500 |
| 2022 | $11,926.00 |
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 | 3 in force |
| Nearby Flood Claims | 1 (2012) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Mar 2012 · rainfall accumulation |
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 99.1% of the US · lower than 99.2% 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 - 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 713 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 | 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, Verizon.
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