San Mateo County property record for 3409 Lower Lock Ave, Belmont, CA 94002 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 1,920 sqft · built 1959 |
| Lot Size | 0.126 acres (5,500 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $378,000 (Oct 1994) |
| Tax Bill | $9,482 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 043-093-020 |
| Primary APN | 043-093-020 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,920 sqft Living Area |
| Gross Area | 2,470 sqft |
| 1st Floor Area | 1,470 sqft |
| Basement Area | 550 sqft |
| Family Room | Family Room |
| Study | Study |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1959 |
|---|---|
| Effective Year Built | Effective 1959 |
| Architectural Style | Traditional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 5,500 sqft (0.126 acres) |
| Lot Dimensions | 110 ft deep x 50 ft wide |
| Garage Type | Basement |
| Garage Area | 550 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 3409 LOWER LOCK AVE |
|---|---|
| City | BELMONT |
| State | CA |
| Zip | 94002-1307 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 11 BLOCK 96 BELMONT CO CLUB PROP 8 |
| Legal Subdivision | BELMONT CO CLUB PROP 8 |
| Legal Block | 96 |
| Legal Lot Number | 11 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 5 |
| Census Block | 5007 |
| Census Tract | 608800 |
Source: San Mateo County records · APN 043-093-020
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 Company Names on File |
|---|---|
| Mailing Address | 121 PHILLIPS LN, REDWOOD CITY, CA 94062-2624 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Oct 12, 1994 · Amount on Record |
| Deed Sale | Oct 12, 1994 · Amount on Record |
| Deed Document Number | 1994158599 |
| Last Transfer Date | Apr 18, 2013 |
| Transfer Doc | 0000072596 |
| Record Updated | Sep 20, 2026 |
Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| Municipality | Belmont City |
| County | San Mateo County |
| Elementary School District | Belmont-Redwood Shores Elementary School District (KG - 08) |
| Secondary School District | Sequoia Union High School District (09 - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $646,742 (+2%) Land $323,371 Building $323,371 | ||
| 2025 | $9,482.00 (+6.85%) | $634,062 (+4.04%) Land $317,031 Building $317,031 | |
| 2023 | $8,874.00 (+4.93%) | $609,442 Land $304,721 Building $304,721 | $1,944,630 |
| 2022 | $8,457.00 |
Source: FEMA National Flood Hazard Layer, San Mateo County (06081C), updated September 10, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Low above 5% of the US · above 3% of California |
|---|---|
| Wildfire Likelihood | About 1 in 4,167 per year |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; lenders make the official flood determination.
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