838 Walnut Ave, Burlingame, CA 94010 Property Records

San Mateo County property record for 838 Walnut Ave, Burlingame, CA 94010

Property Summary

Property Type	Single Family Home
Details	4 bd · 4 ba · 2,970 sqft · built 1923
Lot Size	0.143 acres (6,241 sqft)
Owner	2 Company Names on Record
Last Sale	$3,500,000 (Oct 2025)
Tax Bill	$16,059 (2025)
Deeds & Mortgages	Oct 2025 Sale & Mortgage Sep 2020 Mortgage
Flood Zone	Zone X (moderate risk)
APN	`028-132-190`

Property Details

APN / Parcel Number

Primary APN	`028-132-190`

Interior

Bedrooms	4 Beds
Full Baths	4 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	2,970 sqft Living Area
Gross Area	4,090 sqft
1st Floor Area	2,020 sqft
Attic	Attic
Attic Area	950 sqft
Basement Area	170 sqft
Family Room	Family Room

Exterior

Year Built	Built 1923
Effective Year Built	Effective 1923
Lot Area	6,241 sqft (0.143 acres)
Lot Dimensions	129 ft deep x 50 ft wide
Garage Area	420 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	838 WALNUT AVE
City	BURLINGAME
State	CA
Zip	94010-5010
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	LOT 22 BLOCK 2 BURLINGAME PARK NO 4 RSM D/43
Legal Subdivision	BURLINGAME PARK NO 4
Legal Block	2
Legal Lot Number	22
Jurisdiction	SAN MATEO CA
Township / Civil Division	SOUTH SAN FRANCISCO
Census Block Group	2
Census Block	2012
Census Tract	605300

Owner

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

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

Owner of Record	2 Company Names on Record
Mailing Address	838 WALNUT AVE, BURLINGAME, CA 94010-5010
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Date	Document
Oct 29, 2025	Grant Deed, Transfer · Conventional Mortgage FREMONT BANK
Sep 14, 2020	Intrafamily Transfer, Transfer · Conventional Mortgage WATERMARK CAPITAL INC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 29, 2025 · Amount on Record
Deed Sale	Oct 29, 2025 · Amount on Record
Prior Sale	May 15, 2002 · Amount on Record
Deed Document Number	202557588
Prior Transfer Date	Apr 1, 2004
Prior Transfer Doc	0000065553
Record Updated	Oct 29, 2026

October 2025: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Oct 29, 2025
Property Address	838 WALNUT AVE, BURLINGAME, CA 94010-5010
Document Number	0000057588
Map Reference	MB D PG 43
Instrument Date	Oct 28, 2025
Instrument	2025-057588
Transaction Type	Transfer
Record Updated	Dec 1, 2025
Title Company	TWFG NATIONAL TITLE INSURANCE COMPANY, WFG NATIONAL TITLE INS CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$3,850.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	838 WALNUT AVE, BURLINGAME, CA 94010-5010

Mortgage

Document Number	0000057589
Date	Oct 29, 2025
Instrument	2025-057589

Lender

Name	FREMONT BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2055

Interest

Rate Type	Adjustable Rate
Rate	5.75%
Type Change Date	Nov 1, 2030
Change Frequency	6 Months
Min Rate At Change	3.75%
Max Rate At Change	7.75%
Index	SOFR Average 30-Day
Max Rate	10.7%

September 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Sep 14, 2020
Property Address	838 WALNUT AVE, BURLINGAME, CA 94010-5010
Document Number	0000094432
Map Reference	MB 3 PG 85
Instrument Date	Aug 21, 2020
Instrument	2020-094432
Transaction Type	Transfer
Record Updated	Aug 9, 2021
Title Company	FIDELITY NATIONAL TITLE CO

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	838 WALNUT AVE, BURLINGAME, CA 94010-5010

Mortgage

Document Number	0000094433
Date	Sep 14, 2020
Instrument	2020-094433

Lender

Name	WATERMARK CAPITAL INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Sep 1, 2050

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	Burlingame City
Elementary School District	Burlingame 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		$3,500,000 (+146.53%) Land $2,000,000 Building $1,500,000
2025	$16,059.00 (+2.27%) Homeowner's exemption	$1,419,695 (+4.04%) Land $1,107,968 Building $311,727
2024	$15,703.00 (+1.17%)
2023	$15,522.00 (+2.56%) Homeowner's exemption	$1,364,570 Land $1,064,946 Building $299,624	$3,133,710
2022	$15,135.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

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 X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 11 individual policies
Community Rating System	Class 9 (5% premium discount)
Nearby Flood Policies	32 units insured incl. 21 condo units
Nearby Flood Claims	5 (1997–2021)
Claims Outside the SFHA	4 of 5
Most Recent Claim	Oct 2021 · rainfall accumulation

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 BURLINGAME serves 32,453 people · EPA ID CA4110003
Water Source	Purchased surface water from several systems
Last State Inspection	Nov 2024
Lead	6 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 887 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Astound Broadband Cable	1,500 / 50
Sonic Telecom Fiber	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: Etheric Networks, GeoLinks.

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