San Mateo County property record for 510 9th Ave, San Mateo, CA 94402
| Property Type | General Industrial |
|---|---|
| Details | 3 bd · 2.75 ba · 5,320 sqft · built 1953 |
| Lot Size | 0.122 acres (5,312 sqft) |
| Owner | Company Name on File |
| Last Sale | $2,350,000 (Jul 2021) |
| Tax Bill | $29,398 (2025) |
| Deeds & Mortgages | Aug 2026 Mortgage Jul 2021 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 033-312-030 |
| Primary APN | 033-312-030 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 5,320 sqft Gross Area |
| 1st Floor Area | 5,320 sqft |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1953 |
| Lot Area | 5,312 sqft (0.122 acres) |
| Lot Dimensions | 100 ft deep x 60 ft wide |
| Street Address | 510 9TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94402-1827 |
| Property Category | Industrial |
| Property Type | Industrial > General Industrial |
| Local Zoning Code | ML00M1 |
| Legal Description | LOT 4 BLOCK 17 RESUB OF BLOCKS 5 TO 10 16 TO 31 EAST SAN MATEO RSM 6/36 CITY OF SAN MATEO |
| Legal Subdivision | EAST SAN MATEO |
| Legal Block | 17,5- |
| Legal Lot Number | 4 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2014 |
| Census Tract | 606300 |
510 9th Ave, an industrial property, is owned by a company that bought it in July 2021.
Source: San Mateo County records, as of September 16, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 609 ANACAPA LN, FOSTER CITY, CA 94404-3762 |
| Owner Type | Company |
| Vesting | Limited Liability Partnership |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Aug 18, 2026 | Deed of Trust, Mortgage · Conventional Mortgage INVESTOR SERVICES |
| Jul 30, 2021 | Grant Deed, Transfer FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 30, 2021 · Amount on File |
| Deed Sale | Jul 30, 2021 · Amount on File |
| Deed Document Number | 2021112589 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Aug 18, 2026 |
| Property Address | 510 9TH AVE, SAN MATEO, CA 94402-1827 |
| Document Number | 0000046536 |
| Instrument Date | Aug 14, 2026 |
| Instrument | 202646536 |
| Transaction Type | Mortgage |
| Record Updated | Sep 16, 2026 |
| Title Company | WFG NATIONAL TITLE INSURANCE |
| Name | Verified Name |
|---|---|
| Relationship | Limited Liability Partnership, 266 |
| Address | 609 ANACAPA LN, FOSTER CITY, CA 94404-3762 |
| Document Number | 0000046536, |
|---|---|
| Date | Aug 18, 2026 |
| Instrument | 202646536 |
| Name | INVESTOR SERVICES |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Max Rate | -1% |
|---|
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jul 30, 2021 |
| Property Address | 510 9TH AVE, SAN MATEO, CA 94402-1827 |
| Document Number | 0000112589 |
| Map Reference | MB 6 PG 36 |
| Instrument Date | Jul 15, 2021 |
| Instrument | 2021-112589 |
| Transaction Type | Transfer |
| Record Updated | Aug 20, 2021 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 609 ANACAPA LN, FOSTER CITY, CA 94404-3762 |
The 2025 property tax bill for 510 9th Ave was $29,398, up 1.5% from the year before.
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 |
|---|---|---|
| 2026 | $2,543,714 (+2%) Land $2,067,445 Building $476,269 | |
| 2025 | $29,398.00 (+1.5%) | $2,493,838 Land $2,026,907 Building $466,931 |
| 2024 | $28,964.00 (+2.37%) | |
| 2023 | $28,293.00 (+1.37%) | $2,397,000 Land $1,948,200 Building $448,800 |
| 2022 | $27,911.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 510 9th Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 510 9th 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 915 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 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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