San Mateo County property record for 815 Crescent Ave, San Mateo, CA 94401
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,780 sqft · built 1947 |
| Lot Size | 0.125 acres (5,463 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $3,780 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 032-011-040 |
| Primary APN | 032-011-040 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,780 sqft Living Area |
| Gross Area | 2,450 sqft |
| 1st Floor Area | 1,480 sqft |
| 2nd Floor Area | 300 sqft |
| Basement Area | 670 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1947 |
| Lot Area | 5,463 sqft (0.125 acres) |
| Lot Dimensions | 104 ft deep x 55 ft wide |
| Garage Type | Basement |
| Garage Area | 670 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 815 CRESCENT AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94401-3707 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10010 |
| Legal Description | 72 FT MOL ON CRESCENT AVE X 51.50 FT REAR MEAS PTN OF LOT 206 SAN MATEO PARK SUB NO 2 RSM D/55 CITY OF SAN MATEO |
| Legal Subdivision | SAN MATEO PARK |
| Legal Lot Number | 206 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 605800 |
815 Crescent Ave is owner-occupied and held in a trust since November 2013.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 815 CRESCENT AVE, SAN MATEO, CA 94401-3707 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
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 Transfer Date | Nov 19, 2013 |
| Transfer Doc | 0000161642 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 815 Crescent Ave was $3,780 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 | $187,212 (+2%) Land $42,486 Building $144,726 | ||
| 2025 | $3,780.00 Homeowner's exemption | $183,542 Land $41,653 Building $141,889 | |
| 2023 | $3,634.00 (+11.3%) Homeowner's exemption | $176,417 Land $40,037 Building $136,380 | $2,026,800 |
| 2022 | $3,265.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 815 Crescent Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2012.
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.
The area around 815 Crescent 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 561 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · 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 |
| Verizon Fixed Wireless | 1,000 / 75 |
May also be available: Etheric Networks, T-Mobile.
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