611 Chadbourne Ave, Millbrae, CA 94030 Property Records

San Mateo County property record for 611 Chadbourne Ave, Millbrae, CA 94030

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,581 sqft · built 1935
Lot Size	0.092 acres (4,000 sqft)
Owner	Company Name on Record
Tax Bill	$5,826 (2025)
Deeds & Mortgages	Jan 2019 Transfer
Flood Zone	Zone X (minimal risk)
APN	`024-272-030`

Property Details

APN / Parcel Number

Primary APN	`024-272-030`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,581 sqft Living Area
Gross Area	2,511 sqft
1st Floor Area	1,050 sqft
Basement Area	930 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1935
Effective Year Built	Effective 1935
Lot Area	4,000 sqft (0.092 acres)
Lot Dimensions	100 ft deep x 40 ft wide
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	611 CHADBOURNE AVE
City	MILLBRAE
State	CA
Zip	94030-2420
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R20000
Legal Description	NE 40 FT OF LOTS 6 & 7 BLOCK 21 MILLBRAE VILLA TRACT
Legal Subdivision	MILLBRAE VILLA TRACT
Legal Block	21
Legal Lot Number	6,7
Jurisdiction	SAN MATEO CA
Township / Civil Division	SOUTH SAN FRANCISCO
Census Block Group	3
Census Block	3019
Census Tract	604800

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 Record	Company Name on Record
Mailing Address	611 CHADBOURNE AVE, MILLBRAE, CA 94030-2420
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Oct 27, 2003
Transfer Doc	0000307869
Record Updated	Sep 20, 2026

January 2019: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	SAN MATEO CA
Recording Date	Jan 18, 2019
Property Address	611 CHADBOURNE AVE, MILLBRAE, CA 94030-2420
Document Number	0000004067
Instrument Date	Jan 17, 2019
Instrument	4067
Transaction Type	Transfer
Record Updated	Mar 26, 2020
Title Company	NOT AVAILABLE

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	611 CHADBOURNE AVE MILLBRAE CA 940302420, MILLBRAE, CA 94030-2420

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	San Mateo County
Municipality	Millbrae City
Elementary School District	Millbrae Elementary School District (KG - 08)
Secondary School District	San Mateo Union High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$375,741 (+2%) Land $186,853 Building $188,888
2025	$5,826.00 (+6.26%) Homeowner's exemption	$368,375 (+4.04%) Land $183,190 Building $185,185
2023	$5,483.00 (+33.7%) Homeowner's exemption	$354,073 Land $176,078 Building $177,995	$1,540,800
2022	$4,101.00

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 Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone A, within 500 ft
Flood Insurance Requirement	Not 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 Risk	Low lower than 99.1% of the US · lower than 99.2% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None 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 System	CITY OF MILLBRAE serves 22,795 people · EPA ID CA4110018
Water Source	Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM
Last State Inspection	Apr 2025
Lead	Under 1 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 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

Provider	Max 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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