San Mateo County property record for 140 Castleton Way, San Bruno, CA 94066
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,040 sqft · built 1963 |
| Lot Size | 0.123 acres (5,375 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $803,500 (Sep 2006) |
| Tax Bill | $13,109 (2025) |
| Deeds & Mortgages | Jul 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 017-420-160 |
| Primary APN | 017-420-160 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 2,040 sqft Living Area |
| Gross Area | 2,600 sqft |
| 1st Floor Area | 1,300 sqft |
| Basement Area | 1,300 sqft |
| Finished Basement | 740 sqft |
| Unfinished Basement | 560 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1963 |
|---|---|
| Effective Year Built | Effective 1963 |
| Architectural Style | Contemporary |
| Exterior Material | Stucco |
| Roof Material | Composition Shingle |
| Lot Area | 5,375 sqft (0.123 acres) |
| Lot Dimensions | 103 ft deep x 50 ft wide |
| Garage Type | Basement |
| Garage Area | 560 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 140 CASTLETON WAY |
|---|---|
| City | SAN BRUNO |
| State | CA |
| Zip | 94066-1643 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 48 BLK 17 PACIFIC HEIGHTS NO 8 RSM 56/19 20 |
| Legal Subdivision | PACIFIC HEIGHTS NO 8 |
| Legal Block | 17 |
| Legal Lot Number | 48 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SOUTH SAN FRANCISCO |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 614000 |
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 Individual Names on File |
|---|---|
| Mailing Address | 140 CASTLETON WAY, SAN BRUNO, CA 94066-1643 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 29, 2006 · Amount on File |
| Deed Sale | Sep 29, 2006 · Amount on File |
| Deed Document Number | 2006147819 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 140 CASTLETON WAY, SAN BRUNO, CA 94066-1643 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | PLACER TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000071096 |
|---|---|
| Date | Jul 23, 2020 |
| Instrument | 2020-071096 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Aug 1, 2050 |
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 | $1,098,032 (+2%) Land $549,016 Building $549,016 | ||
| 2025 | $13,109.00 (+15.77%) Homeowner's exemption | $1,076,502 (+4.04%) Land $538,251 Building $538,251 | |
| 2023 | $11,323.00 (+1.16%) Homeowner's exemption | $1,034,702 Land $517,351 Building $517,351 | $1,448,730 |
| 2022 | $11,193.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 | 1 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 66% of the US · lower than 80% of California |
|---|---|
| Wildfire Likelihood | 0.05% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 178 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| Etheric Networks Fixed Wireless | 250 / 100 |
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