San Mateo County property record for 122 28th Ave, San Mateo, CA 94403 · Last verified July 2026
| Property Type | Residential > Multi-Unit > Duplex |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1956 |
| Square Footage | 3,205 sqft Living Area |
| Lot Size | 8,935 sqft (0.205 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $890,000 (2003) |
| Tax Bill | $17,252.00 (2025) |
| Primary APN | 039-382-080 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Units | 2 Units |
| Building Area | 3,205 sqft Living Area |
| 1st Floor | 3,205 sqft 1st Floor |
| Stories | 1 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1956 |
| Architectural Style | Duplex Single Style |
| Lot Area | 8,935 sqft (0.205 acres) |
| Depth X Width | 179 ft x 50 ft Depth x Width |
| Parking Spaces | 6 Parking Spaces |
| Garage Type | Detached Garage |
| Street Address | 122 28TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-2429 |
| Property Usage | Residential Property Usage |
| Type | Residential > Multi-Unit > Duplex |
| Legal Description | NELY 50 FT OF LOT 21 SUB OF LOTS 1 2 19 21 OF BERESFORD PARKRSM A/17 CITY OF SAN MATEO |
| Legal Subdivision | BERESFORD PARK |
| Legal Lot Number | 21,1 |
| Jurisdiction | SAN MATEO CA |
| Minor Civil Division | SAN MATEO |
| Census Blockgroup | 3 |
| Census Block | 3014 |
| Census Tract | 607400 |
Source: San Mateo County records · APN 039-382-080
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 Individual Names on File |
|---|---|
| Mailing Address | 122 28TH AVE, SAN MATEO, CA 94403-2429 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Aug 22, 2003 · Amount on Record |
| Deed Sale | Aug 22, 2003 · Amount on Record |
| Prior Sale | Nov 22, 1995 · Amount on Record |
| Deed Doc Number | 2003239403 |
| Last Transfer Date | Dec 28, 2012 |
| Transfer Doc | 0000001894 |
| Record Refreshed | Sep 20, 2026 |
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 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) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,290,685 (+2%) Land $942,642 Building $348,043 | |
| 2025 | $17,252.00 (+3.82%) Homeowner's exemption | $1,265,378 (+4.04%) Land $924,159 Building $341,219 |
| 2023 | $16,618.00 (+0.4%) Homeowner's exemption | $1,216,244 Land $888,274 Building $327,970 |
| 2022 | $16,552.00 |
122 28th Ave is in FEMA Zone X, outside 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 X minimal flood hazard · outside the 0.2% annual chance floodplain |
|---|---|
| Special Flood Hazard Area | No |
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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