San Mateo County property record for 303 Elm St, San Mateo, CA 94401
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 2 ba · 2,446 sqft · built 1948 |
| Lot Size | 0.122 acres (5,327 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $470,000 (Jun 1998) |
| Tax Bill | $11,463 (2025) |
| Deeds & Mortgages | Jul 2018 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 032-192-050 |
| Primary APN | 032-192-050 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Units | 4 Units |
| Stories | 1 Story |
| Building Area | 2,446 sqft Living Area |
| 1st Floor Area | 2,446 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Architectural Style | Duplex Single |
| Roof Material | Composition Shingle |
| Lot Area | 5,327 sqft (0.122 acres) |
| Lot Dimensions | 74 ft deep x 72 ft wide |
| View / Lot | Corner |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 303 ELM ST |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94401-2511 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | RM0000 |
| Legal Description | 74 FT X 72 FT COR OF ELM ST & SANTA INEZ AVE PTN OF LOT 20 BLOCK 7 B WESTERN ADDITION TO TOWN OF SAN MATEO RSM 1/52 53 |
| Legal Subdivision | WESTERN ADDITION TO TOWN OF SAN MATEO |
| Legal Block | 7 |
| Legal Lot Number | 20 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 605902 |
303 Elm St, a duplex, is held in a trust since June 1998.
Source: San Mateo County records, as of July 15, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 40 LIVE OAK LN, HILLSBOROUGH, CA 94010-6229 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 5, 1998 · Amount on File |
| Deed Sale | Jun 5, 1998 · Amount on File |
| Prior Sale | Oct 1, 1997 · Amount on File |
| Deed Document Number | 199884964 |
| Prior Transfer Date | Sep 19, 1997 |
| Prior Transfer Doc | 0000125923 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 303 ELM ST, SAN MATEO, CA 94401-2511 |
| Transaction Type | Mortgage |
| Record Updated | Jul 25, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0000057403 |
|---|---|
| Date | Jul 24, 2018 |
| Instrument | 2018-057403 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | 05714 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Aug 17, 2048 |
The 2025 property tax bill for 303 Elm St was $11,463.
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 | $765,463 (+2%) Land $228,004 Building $537,459 | |
| 2025 | $11,463.00 | $750,455 Land $223,534 Building $526,921 |
| 2023 | $10,412.00 (-1.03%) | $721,315 Land $214,854 Building $506,461 |
| 2022 | $10,520.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 303 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 303 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.
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