San Mateo County property record for 830 28th Ave, San Mateo, CA 94403
| Property Type | Agricultural Well Site |
|---|---|
| Lot Size | 6.16 acres (268,330 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $3,776 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 039-220-010 |
| Primary APN | 039-220-010 |
|---|
| Lot Area | 268,330 sqft |
|---|
| Street Address | 830 28TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-3102 |
| Property Category | Agriculture or Farming |
| Property Type | Agriculture / Farming > Agricultural Well Site |
| Legal Description | 6.16 ACS MOL ADJ TO BLOCK 10 OF HILLSDALE NO 4A PTN OF LOTS 7 & 8 BERESFORD PARK |
| Legal Subdivision | BERESFORD PARK |
| Legal Block | 10 |
| Legal Lot Number | 7,8 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2007 |
| Census Tract | 606700 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 1720 N 1ST ST, SAN JOSE, CA 95112-4508 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| 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 |
|---|---|---|
| 2026 | $253,080 (-) Land $65,600 Building $187,480 | |
| 2025 | $3,776.00 (+12.82%) | $253,080 (-) Land $65,600 Building $187,480 |
| 2023 | $3,347.00 (+0.03%) | $253,080 Land $65,600 Building $187,480 |
| 2022 | $3,346.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 | 1 in force |
| Nearby Flood Claims | 1 (1979) |
| Most Recent Claim | Apr 1979 · 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 732 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
May also be available: Etheric Networks, T-Mobile.
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