San Mateo County property record for 338 Elm St, San Mateo, CA 94401
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 11 bd · 1 ba · 6,166 sqft · built 1962 |
| Lot Size | 0.207 acres (8,999 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,250,000 (Dec 2004) |
| Tax Bill | $31,269 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 032-176-070 |
| Primary APN | 032-176-070 |
|---|
| Bedrooms | 11 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 23 Rooms |
| Units | 9 Units |
| Stories | 2 Stories |
| Building Area | 6,166 sqft Living Area |
| Year Built | Built 1962 |
|---|---|
| Effective Year Built | Effective 1962 |
| Architectural Style | Multi-Family |
| Lot Area | 8,999 sqft (0.207 acres) |
| Lot Dimensions | 180 ft deep x 50 ft wide |
| Garage Type | Detached |
| Parking Spaces | 9 Parking Spaces |
| Street Address | 338 ELM ST |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94401-2535 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Legal Description | LOT 7 BLOCK 6 WESTERN ADDITION TO TOWN OF SAN MATEO RSM 1/52 53 |
| Legal Subdivision | WESTERN ADDITION TO TOWN OF SAN MATEO |
| Legal Block | 6 |
| Legal Lot Number | 7 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 605902 |
338 Elm St, a residential property, is owned by a company that bought it in December 2004.
Source: San Mateo County records, as of August 31, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 133 VALLEYVIEW WAY, SOUTH SAN FRANCISCO, CA 94080-5548 |
| Owner Type | Company |
| Vesting | Company |
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 | Dec 6, 2004 · Amount on File |
| Deed Sale | Dec 6, 2004 · Amount on File |
| Deed Document Number | 2004239372 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 338 Elm St was $31,269.
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 |
|---|---|---|
| 2026 | $1,777,225 (+2%) Land $995,246 Building $781,979 | |
| 2025 | $31,269.00 | $1,742,379 Land $975,732 Building $766,647 |
| 2023 | $28,995.00 (+0.86%) | $1,674,722 Land $937,844 Building $736,878 |
| 2022 | $28,748.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 338 Elm St 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 338 Elm St 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 565 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Etheric Networks, GeoLinks, Sonic Telecom, Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures