San Mateo County property record for 730 28th Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1.5 ba · 1,810 sqft · built 1940 |
| Lot Size | 0.23 acres (10,034 sqft) |
| Owner | Individual Name on File |
| Last Sale | $1,953,000 (Mar 2020) |
| Tax Bill | $25,286 (2025) |
| Deeds & Mortgages | Mar 2020 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 039-254-220 |
| Primary APN | 039-254-220 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,810 sqft Living Area |
| Gross Area | 2,680 sqft |
| 1st Floor Area | 1,030 sqft |
| Basement Area | 390 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1940 |
| Lot Area | 10,034 sqft (0.23 acres) |
| Lot Dimensions | 147 ft deep x 68 ft wide |
| Garage Type | Attached |
| Garage Area | 480 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 730 28TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-2608 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | 68.39 FT X 146.72 FT ON 28TH AVE COM 136.78 FT NELY FROM MASON LANE PTN OF LOT 6 BERESFORD PARK VOL 6 MISC PG 9 CITY OF SAN MATEO |
| Legal Subdivision | BERESFORD PARK |
| Legal Tract | 2 |
| Legal Lot Number | 6 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2020 |
| Census Tract | 606700 |
730 28th Ave is owned and occupied by an individual who bought it in March 2020.
Source: San Mateo County records, as of July 15, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 730 28TH AVE, SAN MATEO, CA 94403-2608 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 30, 2020 · Amount on File |
| Deed Sale | Mar 30, 2020 · Amount on File |
| Deed Document Number | 202029034 |
| Prior Transfer Date | Aug 13, 2014 |
| Prior Transfer Doc | 0000074896 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Mar 30, 2020 |
| Property Address | 730 28TH AVE, SAN MATEO, CA 94403-2608 |
| Document Number | 0000029034 |
| Map Reference | MB 1 PG 66 |
| Instrument Date | Mar 9, 2020 |
| Instrument | 2020-029034 |
| Transaction Type | Transfer |
| Record Updated | Oct 18, 2022 |
| Title Company | NORTH AMERICAN TITLE CO INC |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $11,913.30 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 730 28TH AVE, SAN MATEO, CA 94403-2608 |
| Document Number | 0000029035 |
|---|---|
| Date | Mar 30, 2020 |
| Instrument | 2020-029035 |
| Name | CMG MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Apr 1, 2050 |
The 2025 property tax bill for 730 28th Ave was $25,286.
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 | $2,178,602 (+2%) Land $1,572,879 Building $605,723 | ||
| 2025 | $25,286.00 | $2,135,886 Land $1,542,039 Building $593,847 | |
| 2023 | $24,547.00 (+2.19%) | $2,052,948 Land $1,482,160 Building $570,788 | $2,226,690 |
| 2022 | $24,021.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 730 28th Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1979.
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.
Wildfire risk around 730 28th Ave is low, with less than a 0.01% annual chance of wildfire.
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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