San Mateo County property record for 620 4th Ave, San Bruno, CA 94066
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 730 sqft · built 1940 |
| Lot Size | 0.057 acres (2,500 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $735,000 (Sep 2021) |
| Tax Bill | $8,010 (2025) |
| Deeds & Mortgages | Sep 2021 Sale & Mortgage |
| Flood Zone | Zone AE (high risk) |
| APN | 020-174-180 |
| Primary APN | 020-174-180 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 730 sqft Living Area |
| 1st Floor Area | 520 sqft |
| Family Room | Family Room |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1940 |
| Lot Area | 2,500 sqft (0.057 acres) |
| Lot Dimensions | 100 ft deep x 25 ft wide |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 620 4TH AVE |
|---|---|
| City | SAN BRUNO |
| State | CA |
| Zip | 94066-4514 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 15 BLOCK 21 BELLE AIR PARK RSM 5/10 |
| Legal Subdivision | BELLE AIR PARK |
| Legal Block | 21 |
| Legal Lot Number | 15 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SOUTH SAN FRANCISCO |
| Census Block Group | 3 |
| Census Block | 3013 |
| Census Tract | 604200 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 620 4TH AVE, SAN BRUNO, CA 94066-4514 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 9, 2021 · Amount on Record |
| Deed Sale | Sep 9, 2021 · Amount on Record |
| Deed Document Number | 2021129934 |
| Prior Transfer Date | Jul 8, 1996 |
| Prior Transfer Doc | 0000088971 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Sep 9, 2021 |
| Property Address | 620 4TH AVE, SAN BRUNO, CA 94066-4514 |
| Document Number | 0000129934 |
| Map Reference | MB 5 PG 10 |
| Instrument Date | Sep 2, 2021 |
| Instrument | 2021-129934 |
| Transaction Type | Transfer |
| Record Updated | Oct 4, 2021 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $808.50 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 620 4TH AVE, SAN BRUNO, CA 94066-4514 |
| Document Number | 0000129935 |
|---|---|
| Date | Sep 9, 2021 |
| Instrument | 2021-129935 |
| Name | MUFG UNION BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 1, 2051 |
Source: San Mateo County assessment roll, as of July 15, 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) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $630,000 (-) Land $522,500 Building $107,500 | ||
| 2025 | $8,010.00 (-2.4%) Homeowner's exemption | $630,000 (-15.97%) Land $522,500 Building $107,500 | |
| 2023 | $8,207.00 (+1.17%) Homeowner's exemption | $749,700 Land $622,200 Building $127,500 | $766,440 |
| 2022 | $8,112.00 |
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 AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 10.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 110 policies |
| Nearby Flood Policies | 110 in force |
| Nearby Flood Claims | 12 (1980–2022) |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
| Claims by Event |
|
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 | CITY OF SAN BRUNO serves 42,631 people · EPA ID CA4110023 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jul 2024 |
| Lead | Under 1 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 611 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 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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