509 3rd Ave, San Bruno, CA 94066 Property Records

San Mateo County property record for 509 3rd Ave, San Bruno, CA 94066

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,250 sqft · built 1946
Lot Size	0.115 acres (5,000 sqft)
Owner	Individual Name on Record
Tax Bill	$8,031 (2025)
Deeds & Mortgages	Aug 2017 Transfer Aug 2017 Mortgage + 3 more
Flood Zone	Zone AE (high risk)
APN	`020-205-140`

Property Details

APN / Parcel Number

Primary APN	`020-205-140`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,250 sqft Living Area
1st Floor Area	1,120 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1946
Effective Year Built	Effective 1946
Architectural Style	Contemporary
Exterior Material	Wood
Construction Type	Wood
Roof Material	Composition Shingle
Lot Area	5,000 sqft (0.115 acres)
Lot Dimensions	100 ft deep x 50 ft wide
Garage Area	240 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	509 3RD AVE
City	SAN BRUNO
State	CA
Zip	94066-4507
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	LOTS 27 & 28 BLOCK 26 BELLE AIR PARK RSM 5/10
Legal Subdivision	BELLE AIR PARK
Legal Block	26
Legal Lot Number	27,28
Jurisdiction	SAN MATEO CA
Township / Civil Division	SOUTH SAN FRANCISCO
Census Block Group	3
Census Block	3017
Census Tract	604200

Owner

Source: San Mateo County records, as of August 14, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	509 3RD AVE, SAN BRUNO, CA 94066-4507
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Aug 30, 2017	Quit Claim Deed, Transfer STEWART TITLE, STEWART TITLE/CA
Aug 30, 2017	Quit Claim Deed, Transfer · Conventional Mortgage DOORWAY HM LNS
Aug 30, 2017	Quit Claim Deed, Transfer STEWART TITLE, STEWART TITLE/CA
Aug 21, 2017	Quit Claim Deed Quitclaim
Feb 8, 2017	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Jun 16, 2006
Transfer Doc	0000098054
Record Updated	Sep 20, 2026

August 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Aug 30, 2017
Property Address	509 3RD AVE, SAN BRUNO, CA 94066-4507
Document Number	0000076029
Instrument Date	Aug 24, 2017
Instrument	76029
Transaction Type	Transfer
Record Updated	Sep 15, 2017
Title Company	STEWART TITLE, STEWART TITLE/CA

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	509 3RD AVE SAN BRUNO CA 940664507, SAN BRUNO, CA 94066-4507

August 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Aug 30, 2017
Property Address	509 3RD AVE, SAN BRUNO, CA 94066-4507
Document Number	0000076028
Instrument Date	Aug 24, 2017
Instrument	76028
Transaction Type	Transfer
Record Updated	Sep 20, 2017
Title Company	STEWART TITLE, STEWART TITLE/CA

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	509 3RD AVE SAN BRUNO CA 940664507, SAN BRUNO, CA 94066-4507

Mortgage

Document Number	76030
Date	Aug 30, 2017
Instrument	76030

Lender

Name	DOORWAY HM LNS
Address	ORANGE, CA 92868

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Aug 29, 2047

August 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Aug 30, 2017
Property Address	509 3RD AVE, SAN BRUNO, CA 94066-4507
Document Number	0000076027
Instrument Date	Aug 24, 2017
Instrument	76027
Transaction Type	Transfer
Record Updated	Sep 19, 2017
Title Company	STEWART TITLE, STEWART TITLE/CA

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	509 3RD AVE SAN BRUNO CA 940664507, SAN BRUNO, CA 94066-4507

August 2017: Quit Claim Deed

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Aug 21, 2017
Property Address	509 3RD AVE, SAN BRUNO, CA 94066-4507
Document Number	0000073179
Instrument Date	Aug 21, 2017
Instrument	73179
Record Updated	Sep 8, 2017

Transaction

Tax	$0.00
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	509 3TH AVE SAN BRUNO CA 94066, SAN BRUNO, CA 94066

February 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Feb 8, 2017
Property Address	509 3RD AVE, SAN BRUNO, CA 94066-4507
Document Number	0000012477
Instrument Date	Feb 8, 2017
Instrument	12477
Transaction Type	Transfer
Record Updated	Mar 3, 2017

Transaction

Tax	$0.00
Amount Accuracy	Full Value
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	509 3RD AVE SAN BRUNO CA 940664507, SAN BRUNO, CA 94066-4507

Tax Assessment & Valuation

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		$631,553 (+2%) Land $416,399 Building $215,154
2025	$8,031.00 (+23.23%) Homeowner's exemption	$619,173 (+4.04%) Land $408,236 Building $210,937
2023	$6,517.00 (+1.18%) Homeowner's exemption	$595,137 Land $392,387 Building $202,750	$920,970
2022	$6,441.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	10.0 ft
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on Record median of 110 policies
Nearby Flood Policies	110 in force
Nearby Flood Claims	12 (1980–2022)
Most Recent Claim	Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Winter Storms, Flooding, Landslides, And Mudslides, Dec 2022 · 3 claims Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 3 claims

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

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.

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 611 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
Verizon Fixed Wireless	1,000 / 75
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks.

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