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612 Chadbourne Ave, Millbrae, CA 94030 Property Records

San Mateo County property record for 612 Chadbourne Ave, Millbrae, CA 94030

Property Summary

Property TypeDuplex
Details6 bd · 4 ba · 2,712 sqft · built 1962
Lot Size0.138 acres (6,000 sqft)
Owner2 Company Names on Record
Last Sale$1,175,000 (May 2008)
Tax Bill$21,132 (2025)
Deeds & MortgagesMar 2024 Transfer
Flood ZoneZone X (minimal risk)
APN024-271-150

Property Details

APN / Parcel Number

Primary APN024-271-150

Interior

Bedrooms6 Beds
Full Baths4 Baths
Total Rooms12 Rooms
Units2 Units
Stories1 Story
Building Area2,712 sqft Living Area
1st Floor Area2,712 sqft

Exterior

Year BuiltBuilt 1962
Effective Year BuiltEffective 1962
Architectural StyleDuplex Single
Lot Area6,000 sqft (0.138 acres)
Lot Dimensions150 ft deep x 40 ft wide
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address612 CHADBOURNE AVE
CityMILLBRAE
StateCA
Zip94030-2421
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning CodeR20000
Legal Description40 FT BY 150 FT ON CHADBOURNE AVE COM 40 FT NELY FR PALM AVEBEING PTN OF LOTS 1 2 3 4 BLOCK 22 MILLBRAE VILLA TRACT
Legal SubdivisionMILLBRAE VILLA TRACT
Legal Block22
Legal Lot Number1
JurisdictionSAN MATEO CA
Township / Civil DivisionSOUTH SAN FRANCISCO
Census Block Group3
Census Block3010
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 Address1519 RAY DR, BURLINGAME, CA 94010-4662
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMay 7, 2008 · Amount on Record
Deed SaleMay 7, 2008 · Amount on Record
Deed Document Number200851947
Prior Transfer DateJan 11, 2000
Prior Transfer Doc0000007767
Record UpdatedSep 20, 2026

March 2024: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN MATEO CA
Recording DateMar 29, 2024
Property Address612 CHADBOURNE AVE, MILLBRAE, CA 94030-2421
Document Number0000016643
Map ReferenceMB 1 PG 37
Instrument DateFeb 6, 2024
Instrument2024-016643
Transaction TypeTransfer
Record UpdatedApr 18, 2024

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
Address577 AIRPORT BLVD STE 400, 400, BURLINGAME, CA 94010-2022

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 Value
2026$1,574,238 (+2%) Land $787,119 Building $787,119
2025$21,132.00 (+7.97%)$1,543,372 (+4.04%) Land $771,686 Building $771,686
2023$19,573.00 (+17.24%)$1,483,442 Land $741,721 Building $741,721
2022$16,695.00

Assessed value is set for property tax purposes and is not a market price estimate.

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 99.1% of the US · lower than 99.2% of California
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond 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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