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  5. Chestnut Ave

421 Chestnut Ave, San Bruno, CA 94066 Property Records

San Mateo County property record for 421 Chestnut Ave, San Bruno, CA 94066

Property Summary

Property TypeSingle Family Home
Details3 bd · 3 ba · 1,910 sqft · built 1920
Lot Size0.115 acres (5,000 sqft)
Owner2 Company Names on File
Last Sale$800,000 (Jan 2015)
Tax Bill$12,207 (2025)
Deeds & MortgagesOct 2025 Transfer
Apr 2021 Mortgage
Flood ZoneZone X (minimal risk)
APN020-263-190

Property Details

APN / Parcel Number

Primary APN020-263-190

Interior

Bedrooms3 Beds
Full Baths3 Baths
Total Rooms7 Rooms
Stories2 Stories
Building Area1,910 sqft Living Area
1st Floor Area1,190 sqft
2nd Floor Area720 sqft
Family RoomFamily Room
StudyStudy
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1920
Effective Year BuiltEffective 1920
Lot Area5,000 sqft (0.115 acres)
Lot Dimensions100 ft deep x 50 ft wide
Garage TypeCarport
CarportCarport
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address421 CHESTNUT AVE
CitySAN BRUNO
StateCA
Zip94066-4123
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR10006
Legal DescriptionLOTS 2 & 3 BLOCK 10 HUNTINGTON PARK 1ST ADD RSM 5/40
Legal SubdivisionHUNTINGTON PARK 1ST ADD
Legal Block10
Legal Lot Number2,3
JurisdictionSAN MATEO CA
Township / Civil DivisionSOUTH SAN FRANCISCO
Census Block Group5
Census Block5002
Census Tract603900

Owner

Source: San Mateo County assessment roll, 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 Record2 Company Names on File
Mailing Address1380 ALEMANY BLVD, SAN FRANCISCO, CA 94112-1406
Owner TypeCompany
VestingTrust, Family Trust

Deeds, Mortgages & Sale History

DateDocument
Oct 29, 2025Intrafamily Transfer, Transfer
Apr 14, 2021Deed of Trust, Mortgage · Conventional Mortgage
QUICKEN LOANS LLC

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleJan 16, 2015 · Amount on Record
Deed SaleJan 16, 2015 · Amount on Record
Deed Document Number20154295
Last Transfer DateSep 20, 2025
Transfer Doc0000057679
Record UpdatedSep 20, 2026

October 2025: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN MATEO CA
Recording DateOct 29, 2025
Property Address421 CHESTNUT AVE, SAN BRUNO, CA 94066-4123
Document Number0000057679
Map ReferenceMB 5 PG 40
Instrument DateSep 20, 2025
Instrument2025-057679
Transaction TypeTransfer
Record UpdatedNov 28, 2025

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipFamily Trust
Address1380 ALEMANY BLVD, SAN FRANCISCO, CA 94112-1406

April 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address421 CHESTNUT AVE, SAN BRUNO, CA 94066-4123
Transaction TypeMortgage
Record UpdatedMay 19, 2021
Title CompanySERVICELINK

Transferred To (Grantee/Buyer)

NameVerified Name
Address1380 ALEMANY BLVD, SAN FRANCISCO, CA 94112-1406

Mortgage

Document Number0000059405
DateApr 14, 2021
Instrument2021-059405
Lender
NameQUICKEN LOANS LLC
TypeMortgage Company
AddressDETROIT, MI 48226
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueMay 1, 2051

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountySan Mateo County
MunicipalitySan Bruno City
Elementary School DistrictSan Bruno Park 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$980,702 (+2%) Land $490,351 Building $490,351
2025$12,207.00 (+0.73%)$961,474 (+4.04%) Land $480,737 Building $480,737
2024$12,118.00 (+18.91%)
2023$10,191.00 (+1.15%)$924,140 Land $462,070 Building $462,070$1,224,180
2022$10,075.00

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

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

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

Wildfire RiskLow
lower than 98% of the US · lower than 98.4% of California
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond ember reach

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemCITY OF SAN BRUNO
serves 42,631 people · EPA ID CA4110023
Water SourcePurchased surface water from several systems
Last State InspectionJul 2024
LeadUnder 1 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 483 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · Fixed Wireless, DSL in parts of the area		5,000 / 5,000
Xfinity
Cable		2,000 / 250
Etheric Communications, LLC.
Fixed Wireless		250 / 100

May also be available: T-Mobile USA, Verizon.

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