140 Castleton Way, San Bruno, CA 94066 Property Records

San Mateo County property record for 140 Castleton Way, San Bruno, CA 94066

Property Summary

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`

Property Details

APN / Parcel Number

Primary APN	`017-420-160`

Interior

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

Exterior

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

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

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

Owner

140 Castleton Way is owned and occupied by two individuals who bought it in September 2006.

Source: San Mateo County records, as of July 15, 2026

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

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

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

July 2020: Deed of Trust, Mortgage

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

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000071096
Date	Jul 23, 2020
Instrument	2020-071096

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company
Address	PONTIAC, MI 48341

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Aug 1, 2050

Tax Assessment & Valuation

The 2025 property tax bill for 140 Castleton Way was $13,109 with a homeowner's exemption.

Source: San Mateo County assessment roll, as of July 15, 2026

Property Jurisdictions

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)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$1,098,032 (+2%) Land $549,016 Building $549,016
2025	$13,109.00 Homeowner's exemption	$1,076,502 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.

Flood

FEMA maps place 140 Castleton Way 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	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.

Wildfire

Wildfire risk around 140 Castleton Way is low, with a 0.05% annual chance of wildfire.

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.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

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