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721 Walnut Ave, Burlingame, CA 94010 Property Records

San Mateo County property record for 721 Walnut Ave, Burlingame, CA 94010

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 1,720 sqft · built 1922
Lot Size0.191 acres (8,318 sqft)
Owner2 Trust Names on File
Tax Bill$4,549 (2025)
Deeds & MortgagesApr 2018 Transfer
Flood ZoneZone X (moderate risk)
APN028-142-050

Property Details

APN / Parcel Number

Primary APN028-142-050

Interior

Bedrooms3 Beds
Full Baths1 Bath
Total Rooms7 Rooms
Stories1 Story
Building Area1,720 sqft Living Area
1st Floor Area1,720 sqft
Family RoomFamily Room
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1922
Effective Year BuiltEffective 1922
Architectural StyleTraditional
Exterior MaterialStucco
Construction TypeFrame
Roof MaterialComposition Shingle
Lot Area8,318 sqft (0.191 acres)
Lot Dimensions170 ft deep x 50 ft wide
Garage Area700 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address721 WALNUT AVE
CityBURLINGAME
StateCA
Zip94010-5007
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR10006
Legal DescriptionLOT 12 BLOCK 4 BURLINGAME PARK NO 4 RSM D/43
Legal SubdivisionBURLINGAME PARK NO 4
Legal Block4
Legal Lot Number12
JurisdictionSAN MATEO CA
Township / Civil DivisionSOUTH SAN FRANCISCO
Census Block Group2
Census Block2014
Census Tract605300

Owner

721 Walnut Ave is owner-occupied and held in a trust since February 2018.

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

Owner of Record2 Trust Names on File
Mailing Address721 WALNUT AVE, BURLINGAME, CA 94010-5007
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

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 Names2 Names on Deed
Last Transfer DateFeb 1, 2018
Transfer Doc0000029140
Record UpdatedSep 20, 2026

April 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN MATEO CA
Recording DateApr 18, 2018
Property Address721 WALNUT AVE, BURLINGAME, CA 94010-5007
Document Number0000029140
Instrument DateFeb 1, 2018
Instrument29140
Transaction TypeTransfer
Record UpdatedMay 4, 2018
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address721 WALNUT AVE BURLINGAME CA 940105007, BURLINGAME, CA 94010-5007

Tax Assessment & Valuation

The 2025 property tax bill for 721 Walnut Ave was $4,549 with a homeowner's exemption.

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

Property Jurisdictions

TypeName
StateCalifornia
CountySan Mateo County
MunicipalityBurlingame City
Elementary School DistrictBurlingame Elementary School District (KG - 08)
Secondary School DistrictSan Mateo Union High School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$347,646 (+2%) Land $127,050 Building $220,596
2025$4,549.00 Homeowner's exemption$340,830 Land $124,559 Building $216,271
2023$4,168.00 (+2.36%) Homeowner's exemption$327,597 Land $119,723 Building $207,874$2,471,670
2022$4,072.00

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

Flood

FEMA maps place 721 Walnut Ave in Zone X, an area of moderate flood risk, though there have been 5 flood claims nearby since 1997.

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

FEMA Flood ZoneZone X
moderate risk
500-Year FloodplainYes
0.2% annual chance
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on File
median of 11 individual policies
Community Rating SystemClass 9 (5% premium discount)
Nearby Flood Policies32 units insured
incl. 21 condo units
Nearby Flood Claims5 (1997–2021)
Claims Outside the SFHA4 of 5
Most Recent ClaimOct 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

The area around 721 Walnut Ave has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire RiskNot 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 SystemCITY OF BURLINGAME
serves 32,453 people · EPA ID CA4110003
Water SourcePurchased surface water from several systems
Last State InspectionNov 2024
Lead6 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 364 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Astound Broadband
Cable		1,500 / 50
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, Sonic Telecom, T-Mobile.

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