266 Castenada Dr, Millbrae, CA 94030 Property Records

San Mateo County property record for 266 Castenada Dr, Millbrae, CA 94030

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,122 sqft · built 1958
Lot Size	0.172 acres (7,486 sqft)
Owner	2 Individual Names on Record
Last Sale	$2,410,000 (Dec 2020)
Tax Bill	$34,667 (2025)
Deeds & Mortgages	Dec 2020 Sale & Mortgage Oct 2020 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`024-301-230`

Property Details

APN / Parcel Number

Primary APN	`024-301-230`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	2,122 sqft Living Area
1st Floor Area	1,780 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1958
Effective Year Built	Effective 1958
Lot Area	7,486 sqft (0.172 acres)
Lot Dimensions	100 ft deep x 75 ft wide
Garage Area	486 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	266 CASTENADA DR
City	MILLBRAE
State	CA
Zip	94030-3055
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	LOT 21 BLOCK 22 MILLS ESTATE NO 6 RSM 42/43 CITY OF MILLBRAE
Legal Subdivision	MILLS ESTATE NO 6
Legal Block	22
Legal Lot Number	21
Jurisdiction	SAN MATEO CA
Township / Civil Division	SOUTH SAN FRANCISCO
Census Block Group	1
Census Block	1008
Census Tract	604900

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	2 Individual Names on Record
Mailing Address	266 CASTENADA DR, MILLBRAE, CA 94030-3055
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Dec 16, 2020	Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA
Oct 21, 2020	Quit Claim Deed, Transfer ATTORNEY ONLY
Oct 21, 2020	Affidavit of Death, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 16, 2020 · Amount on Record
Deed Sale	Dec 16, 2020 · Amount on Record
Deed Document Number	2020145629
Record Updated	Sep 20, 2026

December 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Dec 16, 2020
Property Address	266 CASTENADA DR, MILLBRAE, CA 94030-3055
Document Number	0000145629
Map Reference	MB 42 PG 43
Instrument Date	Dec 8, 2020
Instrument	2020-145629
Transaction Type	Transfer
Record Updated	Aug 5, 2022
Title Company	NORTH AMERICAN TITLE CO INC

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$2,651.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	266 CASTENADA DR, MILLBRAE, CA 94030-3055

Mortgage

Document Number	0000145630
Date	Dec 16, 2020
Instrument	2020-145630

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jan 1, 2051

October 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Oct 21, 2020
Property Address	266 CASTENADA DR, MILLBRAE, CA 94030-3055
Document Number	0000115062
Instrument Date	Oct 9, 2020
Instrument	115062
Transaction Type	Transfer
Record Updated	Dec 1, 2020
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	266 CASTENADA DR MILLBRAE CA 940303055, MILLBRAE, CA 94030-3055

October 2020: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	SAN MATEO CA
Recording Date	Oct 21, 2020
Property Address	266 CASTENADA DR, MILLBRAE, CA 94030-3055
Document Number	0000115061
Instrument Date	Oct 9, 2020
Instrument	115061
Transaction Type	Transfer
Record Updated	Dec 1, 2020
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	266 CASTENADA DR MILLBRAE CA 940303055, MILLBRAE, CA 94030-3055

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		$2,964,336 (+2%) Land $1,716,844 Building $1,247,492
2025	$34,667.00 (+5.66%)	$2,906,213 (+4.04%) Land $1,683,181 Building $1,223,032
2023	$32,810.00 (+18.68%)	$2,793,364 Land $1,617,822 Building $1,175,542	$2,497,590
2022	$27,646.00

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 Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	2 in force
Nearby Flood Claims	4 (1978–1986)
Most Recent Claim	Feb 1986 · Severe Storms & Flooding

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 Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	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 383 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks.

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