540 3rd Ave, San Bruno, CA 94066 Property Records

San Mateo County property record for 540 3rd Ave, San Bruno, CA 94066

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 880 sqft · built 1939
Lot Size	0.115 acres (5,000 sqft)
Owner	2 Individual Names on File
Last Sale	$772,000 (Oct 2019)
Tax Bill	$11,648 (2025)
Deeds & Mortgages	Sep 2020 Mortgage Oct 2019 Sale & Mortgage
Flood Zone	Zone AE (high risk)
APN	`020-204-260`

Property Details

APN / Parcel Number

Primary APN	`020-204-260`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	4 Rooms
Stories	1 Story
Building Area	880 sqft Living Area
1st Floor Area	720 sqft
Family Room	Family Room

Exterior

Year Built	Built 1939
Effective Year Built	Effective 1939
Architectural Style	Bungalow
Roof Material	Composition Shingle
Lot Area	5,000 sqft (0.115 acres)
Lot Dimensions	100 ft deep x 50 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	540 3RD AVE
City	SAN BRUNO
State	CA
Zip	94066-4508
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	LOTS 12 & 13 BLOCK 27 BELLE AIR PARK RSM 5/10
Legal Subdivision	BELLE AIR PARK
Legal Block	27
Legal Lot Number	12,13
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 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	540 3RD AVE, SAN BRUNO, CA 94066-4508
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Sep 29, 2020	Deed of Trust, Mortgage · Conventional Mortgage ROYAL BUSINESS BANK
Oct 4, 2019	Grant Deed, Transfer · Conventional Mortgage XIU H JIN

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 4, 2019 · Amount on File
Deed Sale	Oct 4, 2019 · Amount on File
Deed Document Number	201982614
Prior Transfer Date	Dec 21, 1993
Prior Transfer Doc	0000017167
Record Updated	Oct 29, 2026

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	540 3RD AVE, SAN BRUNO, CA 94066-4508
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	CHICAGO TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	540 3RD AVE, SAN BRUNO, CA 94066-4508

Mortgage

Document Number	0000102792
Date	Sep 29, 2020
Instrument	2020-102792

Lender

Name	ROYAL BUSINESS BANK
Type	Bank
Address	LOS ANGELES, CA 90017

Agreement

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

Interest

Rate Type	Adjustable Rate
Rate	4.87%
Type Change Date	Oct 1, 2027
Change Frequency	Annually
Min Rate At Change	2.5%
Max Rate At Change	9.87%
Index	1-Year CMT
Max Rate	9.87%

October 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Oct 4, 2019
Property Address	540 3RD AVE, SAN BRUNO, CA 94066-4508
Document Number	0000082614
Instrument Date	Sep 12, 2019
Instrument	82614
Transaction Type	Transfer
Record Updated	Oct 29, 2019
Title Company	OLD REPUBLIC TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$849.20
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	540 3RD AVE SAN BRUNO CA 940664508, SAN BRUNO, CA 94066-4508

Mortgage

Document Number	82615
Date	Oct 4, 2019
Instrument	82615

Lender

Name	XIU H JIN
Address	1580 MAGNOLIA AVE, MILLBRAE, CA 94030-1224

Agreement

Type	Conventional Mortgage
Amount	Amount on Record

Mortgage

Document Number	82616,
Date	Oct 4, 2019
Instrument	82616

Lender

Name	JENNY VUONG
Address	112 SUMMIT WAY, SAN FRANCISCO, CA 94132-2949

Agreement

Amount	Amount on Record

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		$861,176 (+2%) Land $669,309 Building $191,867
2025	$11,648.00 (+30.01%)	$844,291 (+4.04%) Land $656,186 Building $188,105
2023	$8,959.00 (+1.15%)	$811,507 Land $630,706 Building $180,801	$867,240
2022	$8,857.00

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 File 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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