271 Lassen Dr, San Bruno, CA 94066 Property Records

San Mateo County property record for 271 Lassen Dr, San Bruno, CA 94066

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 2,040 sqft · built 1965
Lot Size	0.128 acres (5,575 sqft)
Owner	2 Company Names on File
Tax Bill	$5,705 (2025)
Deeds & Mortgages	Jan 2021 Mortgage May 2020 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`017-452-140`

Property Details

APN / Parcel Number

Primary APN	`017-452-140`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	2,040 sqft Living Area
Gross Area	2,530 sqft
1st Floor Area	1,340 sqft
2nd Floor Area	700 sqft
Basement Area	490 sqft
Family Room	Family Room

Exterior

Year Built	Built 1965
Effective Year Built	Effective 1965
Exterior Material	Stucco
Roof Material	Wood Shingle
Lot Area	5,575 sqft (0.128 acres)
Lot Dimensions	111 ft deep x 50 ft wide
Garage Type	Basement
Garage Area	490 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	271 LASSEN DR
City	SAN BRUNO
State	CA
Zip	94066-2517
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	LOT 14 BLK 6 PORTOLA HIGHLANDS NO 2 RSM 58/44 45
Legal Subdivision	PORTOLA HIGHLANDS NO 2
Legal Block	6
Legal Lot Number	14
Jurisdiction	SAN MATEO CA
Township / Civil Division	SOUTH SAN FRANCISCO
Census Block Group	1
Census Block	1003
Census Tract	614000

Owner

271 Lassen Dr is owned by a company that acquired it in May 2020 and is owner-occupied.

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

Owner of Record	2 Company Names on File
Mailing Address	271 LASSEN DR, SAN BRUNO, CA 94066-2517
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Life Tenant

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

Date	Document
Jan 14, 2021	Deed of Trust, Mortgage · Conventional Mortgage ONYX LENDING LLC
May 8, 2020	Quit Claim Deed, Transfer ONYX LNDG
Apr 10, 2017	Deed of Trust, Mortgage · Conventional Mortgage ONYX LNDG

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	May 4, 2020
Transfer Doc	0000041435
Record Updated	Oct 29, 2026

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	271 LASSEN DR, SAN BRUNO, CA 94066-2517
Transaction Type	Mortgage
Record Updated	Feb 15, 2021
Title Company	ORANGE COAST TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	271 LASSEN DR, SAN BRUNO, CA 94066-2517

Mortgage

Document Number	0000006665
Date	Jan 14, 2021
Instrument	2021-006665

Lender

Name	ONYX LENDING LLC
Type	Mortgage Company
Address	SAN FRANCISCO, CA 94109

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Feb 1, 2051

May 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	May 8, 2020
Property Address	271 LASSEN DR, SAN BRUNO, CA 94066-2517
Document Number	0000041435
Instrument Date	May 4, 2020
Instrument	41435
Transaction Type	Transfer
Record Updated	Jun 4, 2020
Title Company	ORANGE COAST TITLE COMPANY/NTHRN CA, ORANGE COAST TITLE CO/NTHRN 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	271 LASSEN DR SAN BRUNO CA 940662517, SAN BRUNO, CA 94066-2517

Mortgage

Document Number	41436
Date	May 8, 2020
Instrument	41436

Lender

Name	ONYX LNDG
Address	SAN FRANCISCO, CA 94109

Agreement

Amount	Amount on Record
Term	360 Months
Due	May 7, 2050

April 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	271 LASSEN DR, SAN BRUNO, CA 94066-2517
Document Number	0000032976
Instrument Date	Apr 10, 2017
Transaction Type	Mortgage
Record Updated	May 5, 2017
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	271 LASSEN DR SAN BRUNO CA 940662517, SAN BRUNO, CA 94066-2517

Mortgage

Document Number	0000032976
Date	Apr 14, 2017
Instrument	32976

Lender

Name	ONYX LNDG
Address	SAN FRANCISCO, CA 94109

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	180 Months
Due	Apr 13, 2032

Tax Assessment & Valuation

The 2025 property tax bill for 271 Lassen Dr was $5,705 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		$427,119 (+2%) Land $113,488 Building $313,631
2025	$5,705.00 Homeowner's exemption	$418,745 Land $111,263 Building $307,482
2023	$4,411.00 (+1.19%) Homeowner's exemption	$402,487 Land $106,944 Building $295,543	$1,422,810
2022	$4,359.00

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

Flood

FEMA maps place 271 Lassen Dr in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2017.

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	2 in force
Nearby Flood Claims	1 (2017)
Most Recent Claim	Jan 2017 · Severe Winter Storms, Flooding, And Mudslides

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 271 Lassen Dr is moderate, ranking above 42% of the US, with a 0.07% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Moderate above 42% of the US · lower than 75% of California
Wildfire Likelihood	0.07% annual chance
Exposure	Direct burnable vegetation

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 302 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Etheric Networks Fixed Wireless	250 / 100

May also be available: T-Mobile, Verizon.

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