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900 Chadbourne Ave, Millbrae, CA 94030 Property Records

San Mateo County property record for 900 Chadbourne Ave, Millbrae, CA 94030 · Last verified August 2026

Property Summary

Property TypeDuplex
Details6 bd · 5 ba · 5,140 sqft · built 1989
Lot Size0.188 acres (8,190 sqft)
Owner2 Company Names on File
Last Sale$1,550,000 (Sep 2004)
Tax Bill$29,332 (2025)
Deeds & MortgagesMay 2022 Transfer
Flood ZoneZone X (minimal risk)
APN024-261-130

Property Details

APN / Parcel Number

Primary APN024-261-130

Interior

Bedrooms6 Beds
Full Baths5 Baths
Total Rooms14 Rooms
Units2 Units
Building Area5,140 sqft
1st Floor Area3,370 sqft
2nd Floor Area1,770 sqft
Basement Area1,140 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1989
Effective Year BuiltEffective 1989
Architectural StyleDuplex Single
Lot Area8,190 sqft (0.188 acres)
Lot Dimensions91 ft deep x 90 ft wide
Garage TypeBasement
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address900 CHADBOURNE AVE
CityMILLBRAE
StateCA
Zip94030-2304
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Legal DescriptionPARCEL 15 PARCEL MAP VOL 51/33
Legal SubdivisionPARCEL MAP OF MILLBRAE VILLA
Legal Block1
JurisdictionSAN MATEO CA
Township / Civil DivisionSOUTH SAN FRANCISCO
Census Block Group3
Census Block3013
Census Tract604800

Owner

Source: San Mateo County records · APN 024-261-130

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 Record2 Company Names on File
Mailing Address900 CHADBOURNE AVE, MILLBRAE, CA 94030-2304
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleSep 08, 2004 · Amount on Record
Deed SaleSep 08, 2004 · Amount on Record
Deed Document Number2004182452
Last Transfer DateMay 07, 2022
Transfer Doc0000040325
Record UpdatedSep 20, 2026

May 2022: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN MATEO CA
Recording DateMay 13, 2022
Property Address900 CHADBOURNE AVE, MILLBRAE, CA 94030-2304
Document Number0000040325
Map ReferenceVOL 51 PG 33
Instrument DateMay 07, 2022
Instrument2022-040325
Transaction TypeTransfer
Record UpdatedJun 07, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address900 CHADBOURNE AVE # 910, 910, MILLBRAE, CA 94030-2304

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

YearTax BillAssessed Value
2026$2,203,766 (+2%) Land $1,101,883 Building $1,101,883
2025$29,332.00 (+8.14%)$2,160,556 (+4.04%) Land $1,080,278 Building $1,080,278
2023$27,125.00 (+17.12%)$2,076,662 Land $1,038,331 Building $1,038,331
2022$23,160.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, San Mateo County (06081C), updated September 10, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Nearest Special Flood Hazard AreaZone A, within 500 ft

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

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

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 802 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
AT&TFiber5,000 / 5,000
XfinityCable2,000 / 250
Etheric Communications, LLC.Fixed Wireless (licensed-by-rule)250 / 100
T-Mobile USAFixed Wireless100 / 20

May also be available at this address: AT&T, Sail Internet Holdings, Verizon, California Internet. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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