San Mateo County property record for 357 Elm Ave, San Bruno, CA 94066
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,420 sqft · built 1938 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $150,000 (Apr 2013) |
| Tax Bill | $7,665 (2025) |
| Deeds & Mortgages | Dec 2025 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 020-284-060 |
| Primary APN | 020-284-060 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,420 sqft Living Area |
| Gross Area | 1,970 sqft |
| 1st Floor Area | 1,180 sqft |
| Basement Area | 550 sqft |
| Family Room | Family Room |
| Year Built | Built 1938 |
|---|---|
| Effective Year Built | Effective 1938 |
| Lot Area | 5,000 sqft (0.115 acres) |
| Lot Dimensions | 100 ft deep x 50 ft wide |
| Garage Type | Basement |
| Garage Area | 550 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 357 ELM AVE |
|---|---|
| City | SAN BRUNO |
| State | CA |
| Zip | 94066-4829 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOTS 51 & 52 BLOCK 2 HUNTINGTON PARK RSM 5/9 |
| Legal Subdivision | HUNTINGTON PARK |
| Legal Block | 2 |
| Legal Lot Number | 51,52 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SOUTH SAN FRANCISCO |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 603900 |
357 Elm Ave is owner-occupied and held in a trust since April 2013.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 357 ELM AVE, SAN BRUNO, CA 94066-4829 |
| Occupancy | Owner Occupied |
| 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 | Apr 1, 2013 · Amount on File |
| Deed Sale | Apr 1, 2013 · Amount on File |
| Deed Document Number | 201348602 |
| Prior Transfer Date | Nov 29, 1997 |
| Prior Transfer Doc | 0000002379 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 357 ELM AVE, SAN BRUNO, CA 94066-4829 |
| Transaction Type | Mortgage |
| Record Updated | Dec 31, 2025 |
| Title Company | CHICAGO TITLE PIRT |
| Name | Verified Name |
|---|---|
| Address | 357 ELM AVE, SAN BRUNO, CA 94066-4829 |
| Document Number | 0000065909 |
|---|---|
| Date | Dec 3, 2025 |
| Instrument | 2025-065909 |
| Name | PREMIERONE CU |
|---|---|
| Type | Credit Union |
| Address | SAN JOSE, CA 95119 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Dec 31, 2055 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
The 2025 property tax bill for 357 Elm Ave was $7,665 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 Bruno City |
| Elementary School District | San Bruno Park 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 | $405,129 (+2%) Land $188,136 Building $216,993 | ||
| 2025 | $7,665.00 Homeowner's exemption | $397,187 Land $184,448 Building $212,739 | |
| 2023 | $4,184.00 (+1.19%) Homeowner's exemption | $381,766 Land $177,287 Building $204,479 | $1,210,950 |
| 2022 | $4,135.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 357 Elm Ave in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 2002.
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 minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 3 (2002–2016) |
| Claims Outside the SFHA | 2 of 3 |
| Most Recent Claim | Mar 2016 · 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.
The area around 357 Elm 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 | CITY OF SAN BRUNO serves 42,631 people · EPA ID CA4110023 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jul 2024 |
| Lead | Under 1 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 1,129 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 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, GeoLinks, Sail Internet, Verizon.
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