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421 Palm Ave, Millbrae, CA 94030 Property Records

San Mateo County property record for 421 Palm Ave, Millbrae, CA 94030

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,920 sqft · built 1930
Lot Size0.138 acres (6,000 sqft)
Owner2 Company Names on Record
Last Sale$2,125,000 (Mar 2022)
Tax Bill$23,255 (2025)
Deeds & MortgagesMar 2022 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN024-101-050

Property Details

APN / Parcel Number

Primary APN024-101-050

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Stories1 Story
Building Area1,920 sqft Living Area
Gross Area2,890 sqft
1st Floor Area1,490 sqft
Basement Area1,400 sqft
Finished Basement430 sqft
Unfinished Basement970 sqft
Family RoomFamily Room
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1930
Effective Year BuiltEffective 1930
Architectural StyleBungalow
Exterior MaterialStucco
Construction TypeFrame
Roof MaterialBuilt-Up Asphalt
Lot Area6,000 sqft (0.138 acres)
Lot Dimensions120 ft deep x 50 ft wide
Garage TypeBasement
Garage Area970 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address421 PALM AVE
CityMILLBRAE
StateCA
Zip94030-2353
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR10006
Legal DescriptionLOT 5 BLOCK 29 MILLBRAE HIGHLANDS 2
Legal SubdivisionMILLBRAE HIGHLANDS 2
Legal Block29
Legal Lot Number5
JurisdictionSAN MATEO CA
Township / Civil DivisionSOUTH SAN FRANCISCO
Census Block Group2
Census Block2003
Census Tract604800

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 Record2 Company Names on Record
Mailing Address421 PALM AVE, MILLBRAE, CA 94030-2353
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMar 18, 2022 · Amount on Record
Deed SaleMar 18, 2022 · Amount on Record
Deed Document Number202223761
Prior Transfer DateApr 23, 1999
Prior Transfer Doc0000082531
Record UpdatedOct 29, 2026

March 2022: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSAN MATEO CA
Recording DateMar 18, 2022
Property Address421 PALM AVE, MILLBRAE, CA 94030-2353
Document Number0000023761
Map ReferenceMB 17 PG 60-62
Instrument DateMar 11, 2022
Instrument2022-023761
Transaction TypeTransfer
Record UpdatedJun 7, 2023
Title CompanyLAWYERS TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$2,337.50
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipFamily Trust
Address421 PALM AVE, MILLBRAE, CA 94030-2353

Mortgage

Document Number0000023762
DateMar 18, 2022
Instrument2022-023762
Lender
NameROCKET MORTGAGE LLC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueApr 1, 2052

Tax Assessment & Valuation

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

YearTax BillAssessed ValueAssessed Market Value
2026$1,950,000 (+2.63%) Land $1,183,500 Building $766,500
2025$23,255.00 (+2.83%) Homeowner's exemption$1,900,000 (-) Land $1,153,000 Building $747,000
2023$22,616.00 (+711.19%) Homeowner's exemption$1,900,000 Land $1,153,000 Building $747,000$1,722,780
2022$2,788.00

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 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies4 in force

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 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 MILLBRAE
serves 22,795 people · EPA ID CA4110018
Water SourcePurchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM
Last State InspectionApr 2025
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 Reporting1
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 802 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 Networks
Fixed Wireless		250 / 100
T-Mobile
Fixed Wireless		100 / 20

May also be available: GeoLinks, Sail Internet, Verizon.

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