San Mateo County property record for 351 Midvale Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 4 ba · 2,397 sqft · built 1951 |
| Lot Size | 0.141 acres (6,151 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $12,588 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 042-211-050 |
| Primary APN | 042-211-050 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 2,397 sqft Living Area |
| Gross Area | 2,746 sqft |
| 1st Floor Area | 1,069 sqft |
| Basement Area | 953 sqft |
| Finished Basement | 604 sqft |
| Unfinished Basement | 349 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1951 |
| Lot Area | 6,151 sqft (0.141 acres) |
| Lot Dimensions | 74 ft deep x 69 ft wide |
| View / Lot | Corner |
| Garage Type | Basement |
| Garage Area | 349 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 351 MIDVALE AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-5055 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 12 BLOCK 29 SAN MATEO KNOLLS MAP NO 4 RSM 31/28 29 30 CITY OF SAN MATEO |
| Legal Subdivision | SAN MATEO KNOLLS MAP NO 4 |
| Legal Block | 29 |
| Legal Lot Number | 12 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2010 |
| Census Tract | 607100 |
351 Midvale Ave is held in a trust since May 2015.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 540 29TH AVE, SAN MATEO, CA 94403-3202 |
| Owner Type | Company |
| Vesting | Trust |
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 | Mar 7, 2011 |
| Deed Sale | Mar 7, 2011 |
| Deed Document Number | 201127036 |
| Last Transfer Date | May 11, 2015 |
| Transfer Doc | 0000055603 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 351 Midvale Ave was $12,588.
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 | $972,762 (+2%) Land $483,508 Building $489,254 | ||
| 2025 | $12,588.00 | $953,689 Land $474,028 Building $479,661 | |
| 2023 | $12,106.00 (+4.8%) | $916,660 Land $455,622 Building $461,038 | $2,109,240 |
| 2022 | $11,551.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 351 Midvale Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 351 Midvale 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 891 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: Astound Broadband, T-Mobile, Verizon.
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