309 Castenada Dr, Millbrae, CA 94030 Property Records

San Mateo County property record for 309 Castenada Dr, Millbrae, CA 94030

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 2,830 sqft · built 1959
Lot Size	0.411 acres (17,904 sqft)
Owner	2 Company Names on Record
Last Sale	$880,000 (Jun 2004)
Tax Bill	$25,374 (2025)
Deeds & Mortgages	May 2021 Transfer Aug 2020 Sale + 2 more
Flood Zone	Zone X (minimal risk)
APN	`025-041-060`

Property Details

APN / Parcel Number

Primary APN	`025-041-060`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	1 Story
Building Area	2,830 sqft Living Area
1st Floor Area	1,700 sqft
Family Room	Family Room

Exterior

Year Built	Built 1959
Effective Year Built	Effective 1959
Lot Area	17,904 sqft (0.411 acres)
Lot Dimensions	205 ft deep x 80 ft wide
Garage Area	470 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	309 CASTENADA DR
City	MILLBRAE
State	CA
Zip	94030-3014
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	LOT 4 BLOCK 24 MILLS ESTATE NO 12 RSM 45/48 49 CITY OF MILLBRAE
Legal Subdivision	MILLS ESTATE NO 1
Legal Block	24
Legal Lot Number	4
Jurisdiction	SAN MATEO CA
Township / Civil Division	SOUTH SAN FRANCISCO
Census Block Group	1
Census Block	1013
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 Company Names on Record
Mailing Address	309 CASTENADA DR, MILLBRAE, CA 94030-3014
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
May 27, 2021	Intrafamily Transfer, Transfer
Aug 5, 2020	Grant Deed, Transfer ATTORNEY ONLY
Jan 16, 2020	Quit Claim Deed, Transfer NOT AVAILABLE
Jan 9, 2020	Intrafamily Transfer, Transfer · Conventional Mortgage CARRINGTON MORTGAGE SERVICES LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 9, 2004 · Amount on Record
Deed Sale	Jun 9, 2004 · Amount on Record
Deed Document Number	2004119083
Last Transfer Date	Sep 3, 2020
Transfer Doc	0000083394
Record Updated	Oct 29, 2026

May 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	May 27, 2021
Property Address	309 CASTENADA DR, MILLBRAE, CA 94030-3014
Document Number	0000083394
Map Reference	MB 45 PG 48&49
Instrument Date	Sep 3, 2020
Instrument	2021-083394
Transaction Type	Transfer
Record Updated	Jun 7, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	809 LAUREL ST UNIT 37, 37, SAN CARLOS, CA 94070-7702

August 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Aug 5, 2020
Property Address	309 CASTENADA DR, MILLBRAE, CA 94030-3014
Document Number	0000076805
Instrument Date	Jun 29, 2020
Instrument	76805
Transaction Type	Transfer
Record Updated	Sep 3, 2020
Title Company	ATTORNEY ONLY

Transaction

Amount	Amount Recorded
Tax	$1,580.00
Amount Accuracy	Full Value
Additional	Notice of Default Arm's Length Partial Interest

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Irrevocable Trust
Address	309 CASTENADA DR MILLBRAE CA 940303014, MILLBRAE, CA 94030-3014

January 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Jan 16, 2020
Property Address	309 CASTENADA DR, MILLBRAE, CA 94030-3014
Document Number	0000004268
Instrument Date	Jan 13, 2020
Instrument	4268
Transaction Type	Transfer
Record Updated	Feb 12, 2020
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	309 CASTENADA DR MILLBRAE CA 940303014, MILLBRAE, CA 94030-3014

January 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Jan 9, 2020
Property Address	309 CASTENADA DR, MILLBRAE, CA 94030-3014
Document Number	0000001950
Map Reference	MB 45 PG 48&49
Instrument Date	Jan 3, 2020
Instrument	2020-001950
Transaction Type	Transfer
Record Updated	Aug 5, 2022
Title Company	STEWART TITLE GUARANTY CO

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	309 CASTENADA DR, MILLBRAE, CA 94030-3014

Mortgage

Document Number	0000001951
Date	Jan 9, 2020
Instrument	2020-001951

Lender

Name	CARRINGTON MORTGAGE SERVICES LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2050

Interest

Rate Type	Adjustable Rate
Rate	5.62%
Type Change Date	Feb 1, 2030
Change Frequency	Annually
Min Rate At Change	5.62%
Max Rate At Change	10.6%
Index	1-Year LIBOR
Max Rate	10.6%

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		$2,098,575 (+2%) Land $1,187,947 Building $910,628
2025	$25,374.00 (+5.69%)	$2,057,429 (+4.04%) Land $1,164,655 Building $892,774
2023	$24,008.00 (+9.77%)	$1,977,541 Land $1,119,432 Building $858,109	$2,952,630
2022	$21,872.00

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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