San Mateo County property record for 151 Elm Ave, Hillsborough, CA 94010
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 3,780 sqft · built 1922 |
| Lot Size | 0.402 acres (17,495 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $25,000 (2025) |
| Deeds & Mortgages | Feb 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 028-262-020 |
| Primary APN | 028-262-020 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 3,780 sqft Living Area |
| Gross Area | 4,440 sqft |
| 1st Floor Area | 1,800 sqft |
| Basement Area | 1,070 sqft |
| Finished Basement | 410 sqft |
| Unfinished Basement | 660 sqft |
| Family Room | Family Room |
| Study | Study |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1922 |
|---|---|
| Effective Year Built | Effective 1922 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Roof Material | Wood Shingle |
| Lot Area | 17,495 sqft (0.402 acres) |
| Lot Dimensions | 150 ft deep x 118 ft wide |
| Garage Area | 380 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 151 ELM AVE |
|---|---|
| City | HILLSBOROUGH |
| State | CA |
| Zip | 94010-6463 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10025 |
| Legal Description | LOT 2 .41 AC BLOCK 2 BURLINGAME PARK NO 3 RSM C/63 TOWN OF HILLSBOROUGH |
| Legal Subdivision | BURLINGAME PARK NO 3 |
| Legal Block | 2 |
| Legal Lot Number | 2 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 605600 |
151 Elm Ave is owned and occupied by two individuals.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 151 ELM AVE, HILLSBOROUGH, CA 94010-6463 |
| 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 | 2 Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 151 ELM AVE, HILLSBOROUGH, CA 94010-6463 |
| Transaction Type | Mortgage |
| Record Updated | Aug 5, 2022 |
| Title Company | AMROCK TITLE CALIFORNIA INC |
| Name | Verified Name |
|---|---|
| Address | 151 ELM AVE, HILLSBOROUGH, CA 94010-6463 |
| Document Number | 0000023055 |
|---|---|
| Date | Feb 11, 2021 |
| Instrument | 2021-023055 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Mar 1, 2051 |
The 2025 property tax bill for 151 Elm Ave was $25,000 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 | Hillsborough Town |
| Elementary School District | Hillsborough 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 | $1,804,398 (+2%) Land $1,313,115 Building $491,283 | ||
| 2025 | $25,000.00 Homeowner's exemption | $1,769,019 Land $1,287,368 Building $481,651 | |
| 2023 | $23,987.00 (+4.21%) Homeowner's exemption | $1,700,329 Land $1,237,379 Building $462,950 | $6,610,050 |
| 2022 | $23,017.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 151 Elm Ave in Zone X, an area of minimal flood risk.
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 Policies | 3 in force |
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.
Wildfire risk around 151 Elm Ave is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.2% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 | TOWN OF HILLSBOROUGH serves 11,766 people · EPA ID CA4110016 |
|---|---|
| Water Source | Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM |
| Last State Inspection | Mar 2026 |
| 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 561 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Sonic Telecom Fiber | 1,000 / 1,000 |
| Verizon Fixed Wireless | 1,000 / 75 |
May also be available: Etheric Networks, T-Mobile.
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