San Mateo County property record for 3203 Upper Lock Ave, Belmont, CA 94002 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,670 sqft · built 1964 |
| Lot Size | 0.143 acres (6,230 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $1,550,000 (Oct 2018) |
| Tax Bill | $21,169 (2025) |
| Deeds & Mortgages | Oct 2023 Transfer Apr 2021 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 043-121-150 |
| Primary APN | 043-121-150 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,670 sqft Living Area |
| Gross Area | 2,420 sqft |
| 1st Floor Area | 1,670 sqft |
| Basement Area | 750 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1964 |
|---|---|
| Effective Year Built | Effective 1964 |
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 6,230 sqft (0.143 acres) |
| Lot Dimensions | 125 ft deep x 50 ft wide |
| Garage Type | Basement |
| Garage Area | 750 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Street Address | 3203 UPPER LOCK AVE |
|---|---|
| City | BELMONT |
| State | CA |
| Zip | 94002-1316 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 33 BLOCK 99 BELMONT CO CLUB PROP 8 |
| Legal Subdivision | BELMONT CO CLUB PROP 8 |
| Legal Block | 99 |
| Legal Lot Number | 33 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 5 |
| Census Block | 5001 |
| Census Tract | 608800 |
Source: San Mateo County records · APN 043-121-150
Assessment roll updated July 15, 2026 · Last verified August 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 | 3203 UPPER LOCK AVE, BELMONT, CA 94002-1316 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Oct 20, 2023 | Intrafamily Transfer, Transfer |
| Apr 13, 2021 | Deed of Trust, Mortgage · Conventional Mortgage FIRST REPUBLIC BANK |
| Oct 30, 2018 | Grant Deed, Transfer · ARM SILICON VALLEY BANK |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Oct 30, 2018 · Amount on Record |
| Deed Sale | Oct 30, 2018 · Amount on Record |
| Deed Document Number | 201884315 |
| Last Transfer Date | Oct 19, 2023 |
| Transfer Doc | 0000053476 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Oct 20, 2023 |
| Property Address | 3203 UPPER LOCK AVE, BELMONT, CA 94002-1316 |
| Document Number | 0000053476 |
| Map Reference | MB 14 PG 65-68 |
| Instrument Date | Oct 19, 2023 |
| Instrument | 2023-053476 |
| Transaction Type | Transfer |
| Record Updated | Nov 14, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 3203 UPPER LOCK AVE, BELMONT, CA 94002-1316 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 3203 UPPER LOCK AVE, BELMONT, CA 94002-1316 |
| Transaction Type | Mortgage |
| Record Updated | May 13, 2021 |
| Title Company | WFG TITLE COMPANY/CA, WFG TITLE COMPANY OF CA |
| Name | Verified Name |
|---|---|
| Address | 3203 UPPER LOCK AVE, BELMONT, CA 94002-1316 |
| Document Number | 0000058579 |
|---|---|
| Date | Apr 13, 2021 |
| Instrument | 2021-058579 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Address | SAN FRANCISCO, CA 94111 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | May 01, 2051 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Oct 30, 2018 |
| Property Address | 3203 UPPER LOCK AVE, BELMONT, CA 94002-1316 |
| Document Number | 0000084315 |
| Map Reference | MB14 PG65-68 |
| Instrument Date | Oct 05, 2018 |
| Instrument | 2018-084315 |
| Transaction Type | Transfer |
| Record Updated | Aug 09, 2021 |
| Title Company | OLD REPUBLIC TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 00000 |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 3203 UPPER LOCK AVE, BELMONT, CA 94002-1316 |
| Document Number | 0000084316 |
|---|---|
| Date | Oct 30, 2018 |
| Instrument | 2018-084316 |
| Name | SILICON VALLEY BANK |
|---|---|
| Type | Bank |
| Type | ARM |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Nov 01, 2048 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.12% |
| Type Change Date | Nov 01, 2028 |
| Change Frequency | Annually |
| Min Rate At Change | 2.25% |
| Max Rate At Change | 6.12% |
| Index | 1-Year LIBOR |
| Max Rate | 10.1% |
Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified August 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 | $1,763,629 (+2%) Land $1,365,392 Building $398,237 | ||
| 2025 | $21,169.00 (+5.87%) Homeowner's exemption | $1,729,049 (+4.04%) Land $1,338,620 Building $390,429 | |
| 2023 | $19,996.00 (+3.18%) Homeowner's exemption | $1,661,910 Land $1,286,641 Building $375,269 | $1,737,090 |
| 2022 | $19,379.00 |
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 | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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