San Mateo County property record for 501 4th Ave, San Bruno, CA 94066 · Last verified July 2026
| Property Type | Residential > Multi-Unit > Duplex |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1954 |
| Square Footage | 1,809 sqft Living Area |
| Lot Size | 8,888 sqft (0.204 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $385,000 (1999) |
| Tax Bill | $8,254.00 (2025) |
| Primary APN | 020-204-160 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Building Area | 1,809 sqft Living Area |
| 1st Floor | 1,809 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 1954 |
| Architectural Style | Duplex Single Style |
| Lot Area | 8,888 sqft (0.204 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Detached Garage |
| Street Address | 501 4TH AVE |
|---|---|
| City | SAN BRUNO |
| State | CA |
| Zip | 94066-4511 |
| Property Usage | Residential Property Usage |
| Type | Residential > Multi-Unit > Duplex |
| Legal Description | LOTS 29 30 31 & 32 BLOCK 27 BELLE AIR PARK RSM 5/10 |
| Legal Subdivision | BELLE AIR PARK |
| Legal Block | 27 |
| Legal Lot Number | 29 |
| Jurisdiction | SAN MATEO CA |
| Minor Civil Division | SOUTH SAN FRANCISCO |
| Census Blockgroup | 3 |
| Census Block | 3017 |
| Census Tract | 604200 |
Source: San Mateo County records · APN 020-204-160
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 | 729 HEMLOCK AVE, SOUTH SAN FRANCISCO, CA 94080-1504 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Oct 26, 1999 · Amount on Record |
| Deed Sale | Oct 26, 1999 · Amount on Record |
| Deed Doc Number | 1999178483 |
| Last Transfer Date | Sep 23, 2019 |
| Transfer Doc | 0000080898 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Oct 01, 2019 |
| Property Address | 501 4TH AVE, SAN BRUNO, CA 94066-4511 |
| Document Number | 0000080898 |
| Instrument Date | Sep 23, 2019 |
| Instrument | 80898 |
| Transaction Type | Transfer |
| Record Updated | Oct 23, 2019 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 729 HEMLOCK AVE SOUTH SAN FRANCISCO CA 940801504, SOUTH SAN FRANCISCO, CA 94080-1504 |
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 Bruno City |
| Elementary School District | San Bruno Park 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 | $603,546 (+2%) Land $301,773 Building $301,773 | |
| 2025 | $8,254.00 (+32.68%) Homeowner's exemption | $591,712 (+4.04%) Land $295,856 Building $295,856 |
| 2023 | $6,221.00 (+1.17%) Homeowner's exemption | $568,736 Land $284,368 Building $284,368 |
| 2022 | $6,149.00 |
501 4th Ave is in FEMA Zone AE, inside the Special Flood Hazard Area, with no wildfire exposure.
Source: FEMA National Flood Hazard Layer · San Mateo County (06081C), updated September 10, 2026
| FEMA Flood Zone | Zone AE 1% annual chance, base flood elevation determined |
|---|---|
| Special Flood Hazard Area | Yes flood insurance required for federally backed mortgages |
| Floodway | No |
| Base Flood Elevation | 10.0 ft vertical datum per the FIRM (NAVD88 on current maps) |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach of burnable land |
Values are read at the parcel center point; lenders make the official flood determination.
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