42 Mateo Ave, Millbrae, CA 94030 Property Records

San Mateo County property record for 42 Mateo Ave, Millbrae, CA 94030

Property Summary

Property Type	Duplex
Details	6 bd · 5 ba · 4,234 sqft · built 1986
Lot Size	0.115 acres (4,993 sqft)
Owner	2 Company Names on Record
Last Sale	$1,680,000 (Aug 2018)
Tax Bill	$25,213 (2025)
Deeds & Mortgages	Jul 2023 Transfer Dec 2018 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`021-312-280`

Property Details

APN / Parcel Number

Primary APN	`021-312-280`

Interior

Bedrooms	6 Beds
Full Baths	5 Baths
Half Baths	2 Half Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	4,234 sqft Living Area

Exterior

Year Built	Built 1986
Effective Year Built	Effective 1986
Architectural Style	Duplex Single
Lot Area	4,993 sqft (0.115 acres)
Lot Dimensions	100 ft deep x 50 ft wide
Parking Spaces	3 Parking Spaces

Location & Zoning

Street Address	42 MATEO AVE
City	MILLBRAE
State	CA
Zip	94030-2038
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	R20000
Legal Description	R-2 LOTS 22 & 24 BLK B MILLBRAE PARK RSM 4/7
Legal Subdivision	MILLBRAE PARK
Legal Block	B
Legal Lot Number	22,24
Jurisdiction	SAN MATEO CA
Township / Civil Division	SOUTH SAN FRANCISCO
Census Block Group	3
Census Block	3002
Census Tract	604400

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	780 28TH AVE, SAN FRANCISCO, CA 94121-3512
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jul 18, 2023	Intrafamily Transfer, Transfer
Dec 11, 2018	Deed of Trust, Mortgage · ARM PMAC LENDING SERVICES INC
Oct 2, 2019	Deed of Trust, Mortgage JMAC LENDING
Aug 28, 2018	Grant Deed, Transfer LILY CHAN

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 28, 2018 · Amount on Record
Deed Sale	Aug 28, 2018 · Amount on Record
Prior Sale	Oct 19, 2012 · Amount on Record
Deed Document Number	201867211
Last Transfer Date	Jul 8, 2023
Transfer Doc	0000034357
Record Updated	Oct 29, 2026

July 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Jul 18, 2023
Property Address	42 MATEO AVE, MILLBRAE, CA 94030-2038
Document Number	0000034357
Map Reference	MB C PG 42
Instrument Date	Jul 8, 2023
Instrument	2023-034357
Transaction Type	Transfer
Record Updated	Aug 14, 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
Address	780 28TH AVE, SAN FRANCISCO, CA 94121-3512

December 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	42 MATEO AVE, MILLBRAE, CA 94030-2038
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	OLD REPUBLIC TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000096191
Date	Dec 11, 2018
Instrument	2018-096191

Lender

Name	PMAC LENDING SERVICES INC
Type	Mortgage Company
Address	BREA, CA 92821

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Jan 1, 2049

Interest

Rate Type	Adjustable Rate
Rate	5.62%
Type Change Date	Jan 1, 2026
Change Frequency	Annually
Min Rate At Change	3.62%
Max Rate At Change	7.62%
Index	1-Year LIBOR
Max Rate	11.6%

October 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	42 MATEO AVE, MILLBRAE, CA 94030-2038
Document Number	0000083707
Instrument Date	Oct 2, 2019
Transaction Type	Mortgage
Record Updated	Oct 30, 2019
Title Company	OLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2264 18TH AVE SAN FRANCISCO CA 941161829, SAN FRANCISCO, CA 94116-1829

Mortgage

Document Number	0000083707
Date	Oct 9, 2019
Instrument	83707

Lender

Name	JMAC LENDING
Type	Funding / Finance Company
Address	2510 REDHILL AVE, SANTA ANA, CA 92705-5542

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Oct 8, 2049

August 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Aug 28, 2018
Property Address	42 MATEO AVE, MILLBRAE, CA 94030-2038
Document Number	0000067211
Instrument Date	Aug 15, 2018
Instrument	67211
Transaction Type	Transfer
Record Updated	Sep 14, 2018
Title Company	STEWART TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,848.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2264 18TH AVE SAN FRANCISCO CA 941161829, SAN FRANCISCO, CA 94116-1829

Mortgage

Document Number	67212
Date	Aug 28, 2018
Instrument	67212

Lender

Name	LILY CHAN
Address	1538 28TH AVE, SAN FRANCISCO, CA 94122-3232

Agreement

Amount	Amount Recorded

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
2026		$1,911,548 (+2%) Land $1,024,044 Building $887,504
2025	$25,213.00 (+7.72%)	$1,874,067 (+4.04%) Land $1,003,965 Building $870,102
2023	$23,405.00 (+16.1%)	$1,801,297 Land $964,981 Building $836,316
2022	$20,159.00

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 · 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 Claims	3 (1980–1982)
Claims Outside the SFHA	1 of 3
Most Recent Claim	Dec 1982 · rainfall accumulation

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	Not rated no burnable land within 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 441 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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