San Mateo County property record for 1230 Sixth Ave, Belmont, CA 94002
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 1,530 sqft · built 1914 |
| Lot Size | 0.148 acres (6,429 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $981,000 (Jun 2016) |
| Tax Bill | $15,427 (2025) |
| Flood Zone | Zone A (high risk) |
| APN | 045-181-100 |
| Primary APN | 045-181-100 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 1,530 sqft Living Area |
| 1st Floor Area | 1,530 sqft |
| Year Built | Built 1914 |
|---|---|
| Effective Year Built | Effective 1914 |
| Architectural Style | Ranch |
| Construction Type | Wood |
| Roof Material | Composition Shingle |
| Lot Area | 6,429 sqft (0.148 acres) |
| Lot Dimensions | 160 ft deep x 47 ft wide |
| Garage Type | Carport |
| Carport | Carport |
| Parking Spaces | 25 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 1230 SIXTH AVE |
|---|---|
| City | BELMONT |
| State | CA |
| Zip | 94002-3816 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | C20000 |
| Legal Description | LOT 16 BLOCK 5 WEST BELMONT RSM C/9 CITY OF BELMONT |
| Legal Subdivision | WEST BELMONT |
| Legal Block | 5 |
| Legal Lot Number | 16 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 609000 |
1230 Sixth Ave is owned by two individuals who bought it in June 2016.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1918 MENALTO AVE, MENLO PARK, CA 94025-2835 |
| Owner Type | Individual |
| Vesting | Community Property |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 14, 2016 · Amount on File |
| Deed Sale | Jun 14, 2016 · Amount on File |
| Deed Document Number | 201657957 |
| Prior Transfer Date | May 26, 2016 |
| Prior Transfer Doc | 0000051947 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 1230 Sixth Ave was $15,427.
Source: San Mateo County assessment roll, as of July 15, 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) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,154,214 (+2%) Land $1,086,722 Building $67,492 | |
| 2025 | $15,427.00 | $1,131,583 Land $1,065,414 Building $66,169 |
| 2023 | $14,591.00 (+2.62%) | $1,087,646 Land $1,024,044 Building $63,602 |
| 2022 | $14,219.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1230 Sixth Ave in Zone A, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone A high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Not determined for this zone |
| Flood Insurance Requirement | Required federally backed loans |
| Nearby Flood Policies | 9 in force |
| Nearby Flood Claims | 6 (1980–2014) |
| Claims Outside the SFHA | 2 of 6 |
| Most Recent Claim | Dec 2014 · 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 1230 Sixth 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 | MID-PENINSULA WATER DISTRICT serves 31,059 people · EPA ID CA4110001 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Feb 2025 |
| Lead | Under 1 ppb (2022–2024) 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 512 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, GeoLinks, Sonic Telecom, Verizon.
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