San Mateo County property record for 1230 Dore Ave, San Mateo, CA 94401
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 5 ba · 2,598 sqft · built 1951 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Individual Name on File |
| Last Sale | $550,000 (Aug 2012) |
| Tax Bill | $11,701 (2025) |
| Flood Zone | Zone X (reduced by levee) |
| APN | 033-101-210 |
| Primary APN | 033-101-210 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 5 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,598 sqft Living Area |
| 1st Floor Area | 1,310 sqft |
| 2nd Floor Area | 620 sqft |
| Family Room | Family Room |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1951 |
| Lot Area | 5,000 sqft (0.115 acres) |
| Lot Dimensions | 100 ft deep x 50 ft wide |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 1230 DORE AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94401-1214 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10000 |
| Legal Description | 50 FT X 100 FT ON SELY LINE OF DORE AVE COM 10 FT SWLY FROMNORTH KINGSTON ST ACREAGE CITY OF SAN MATEO |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 606100 |
1230 Dore Ave is owned and occupied by an individual who bought it in August 2012.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1230 DORE AVE, SAN MATEO, CA 94401-1214 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Name on Deed |
|---|---|
| Last Sale | Aug 3, 2012 · Amount on File |
| Deed Sale | Aug 3, 2012 · Amount on File |
| Prior Sale | Mar 30, 2012 · Amount on File |
| Deed Document Number | 2012110191 |
| Prior Transfer Date | Jan 14, 2004 |
| Prior Transfer Doc | 0000066607 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 1230 Dore Ave was $11,701 with a homeowner's exemption.
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 | $824,580 (+2%) Land $345,407 Building $479,173 | ||
| 2025 | $11,701.00 Homeowner's exemption | $808,414 Land $338,635 Building $469,779 | |
| 2023 | $11,673.00 (+1.5%) Homeowner's exemption | $777,026 Land $325,487 Building $451,539 | $1,087,200 |
| 2022 | $11,501.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 1230 Dore Ave in Zone X, where a levee reduces flood risk, though there have been 7 flood claims nearby since 1982.
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 reduced by levee · depends on levee performance |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 21 policies |
| Nearby Flood Policies | 21 in force |
| Nearby Flood Claims | 7 (1982–2015) |
| Most Recent Claim | Feb 2015 · other causes |
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.
The area around 1230 Dore Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 779 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 | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: GeoLinks, Sonic Telecom, T-Mobile.
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