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420 Ashton Ave, Millbrae, CA 94030 Property Records

San Mateo County property record for 420 Ashton Ave, Millbrae, CA 94030 · Last verified August 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms3 Beds
Bathrooms2 Baths
Year BuiltBuilt 1948
Square Footage1,960 sqft Living Area
Lot Size6,600 sqft (0.152 acres)
GarageBasement, 510 sqft
OccupancyOwner Occupied
Tax Bill$3,568.00 (2025)

Property Details

APN / Parcel Number

Primary APN024-076-180

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Building Area1,960 sqft Living Area
Gross Area2,470 sqft Gross Area
1st Floor1,680 sqft 1st Floor
Basement Area510 sqft Basement
Family RoomFamily Room

Exterior

Year BuiltBuilt 1948
Effective Year BuiltEffective 1948
Lot Area6,600 sqft (0.152 acres)
Depth X Width120 ft x 50 ft Depth x Width
Parking Spaces2 Parking Spaces
Garage TypeBasement Garage
Garage Area510 sqft Garage

Utilities and HVAC

Cooling SystemCentral Cooling
Heating SystemCentral Heating

Location & Zoning

Street Address420 ASHTON AVE
CityMILLBRAE
StateCA
Zip94030-2366
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionLOT 8 BLOCK 36 MILLBRAE HIGHLANDS NO 3
Legal SubdivisionMILLBRAE HIGHLANDS NO 3
Legal Block36
Legal Lot Number8
JurisdictionSAN MATEO CA
Minor Civil DivisionSOUTH SAN FRANCISCO
Census Blockgroup2
Census Block2009
Census Tract604800

Owner

Source: San Mateo County records · APN 024-076-180

Assessment roll updated July 15, 2026 · Last verified August 2026

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

Owner of RecordIndividual Name on File
Mailing Address420 ASHTON AVE, MILLBRAE, CA 94030-2366
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Record RefreshedSep 20, 2026

February 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN MATEO CA
Recording DateFeb 10, 2021
Property Address420 ASHTON AVE, MILLBRAE, CA 94030-2366
Document Number0000022678
Map ReferenceMB 20 PG 67&68
Instrument DateFeb 04, 2021
Instrument2021-022678
Transaction TypeTransfer
Record UpdatedAug 05, 2022
Title CompanyORANGE COAST TITLE COMPANY/NTHRN CA, ORANGE COAST TTL CO OF NOCAL

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address420 ASHTON AVE, MILLBRAE, CA 94030-2366

Tax Assessment & Valuation

Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified August 2026

Property Jurisdictions

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

Tax Bill & Assessment History

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

YearTax BillAssessed ValueAssessed Market Value
2026$173,241 (+2%) Land $39,985 Building $133,256
2025$3,568.00 (+7.66%) Homeowner's exemption$169,845 (+4.04%) Land $39,201 Building $130,644
2023$3,314.00 (+63.9%) Homeowner's exemption$163,252 Land $37,680 Building $125,572$1,788,030
2022$2,022.00

Flood & Wildfire

420 Ashton Ave is in FEMA Zone X, outside the Special Flood Hazard Area, with no wildfire exposure.

Flood

Source: FEMA National Flood Hazard Layer · San Mateo County (06081C), updated September 10, 2026

FEMA Flood ZoneZone X
minimal flood hazard · outside the 0.2% annual chance floodplain
Special Flood Hazard AreaNo

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to HomesNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach of burnable land

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

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