423 Studio Cir, San Mateo, CA 94401 Property Records

San Mateo County property record for 423 Studio Cir, San Mateo, CA 94401

Property Summary

Property Type	Multi-Family Dwellings
Details	9 bd · 7 ba · 6,358 sqft · built 1962
Lot Size	0.171 acres (7,434 sqft)
Owner	Company Name on Record
Last Sale	$1,395,500 (Apr 2007)
Tax Bill	$35,625 (2025)
Deeds & Mortgages	Apr 2020 Mortgage Feb 2018 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`032-135-030`

Property Details

APN / Parcel Number

Primary APN	`032-135-030`

Interior

Bedrooms	9 Beds
Full Baths	7 Baths
Total Rooms	22 Rooms
Units	7 Units
Stories	2 Stories
Building Area	6,358 sqft Living Area

Exterior

Year Built	Built 1962
Effective Year Built	Effective 1962
Architectural Style	Multi-Family
Lot Area	7,434 sqft (0.171 acres)
Lot Dimensions	126 ft deep x 59 ft wide
View / Lot	Easement
Parking Spaces	7 Parking Spaces

Location & Zoning

Street Address	423 STUDIO CIR
City	SAN MATEO
State	CA
Zip	94401-1639
Property Category	Residential
Property Type	Residential > Multi-Unit > Multi-Family Dwellings
Legal Description	LOT 11 BLOCK 1 STUDIO PARK RSM 52/45 CITY OF SAN MATEO
Legal Subdivision	STUDIO PARK
Legal Block	1
Legal Lot Number	11
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	1
Census Block	1002
Census Tract	606000

Owner

Source: San Mateo County records, as of August 31, 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	1135 ELMWOOD DR, MILLBRAE, CA 94030-1036
Owner Type	Company

Deeds, Mortgages & Sale History

Date	Document
Apr 14, 2020	Quit Claim Deed, Transfer READYCAP COM'L
Feb 2, 2018	Grant Deed, Mortgage FIRST FOUN BK

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Apr 20, 2007 · Amount on Record
Deed Sale	Apr 20, 2007 · Amount on Record
Prior Sale	Nov 10, 1999 · Amount on Record
Deed Document Number	200761756
Last Transfer Date	Feb 26, 2020
Transfer Doc	0000033664
Record Updated	Oct 29, 2026

April 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Apr 14, 2020
Property Address	423 STUDIO CIR, SAN MATEO, CA 94401-1639
Document Number	0000033664
Instrument Date	Apr 7, 2020
Instrument	33664
Transaction Type	Transfer
Record Updated	May 15, 2020
Title Company	FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INS CO NA

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	1135 ELMWOOD DR MILLBRAE CA 940301036, MILLBRAE, CA 94030-1036

Mortgage

Document Number	33665
Date	Apr 14, 2020
Instrument	33665

Lender

Name	READYCAP COM'L
Address	1320 GREENWAY DR # 560, IRVING, TX 75038-7519

Agreement

Amount	Amount Recorded
Term	240 Months
Due	Apr 13, 2040

February 2018: Grant Deed, Mortgage

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Feb 2, 2018
Property Address	423 STUDIO CIR, SAN MATEO, CA 94401-1639
Instrument Date	Jan 23, 2018
Instrument	7197
Transaction Type	Mortgage
Record Updated	Feb 23, 2018
Title Company	FIRST AMERICAN TITLE

Transaction

Tax	$0.00
Additional	Multiple Parcels

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	1135 ELMWOOD DR MILLBRAE CA 940301036, MILLBRAE, CA 94030-1036

Mortgage

Document Number	0000007197
Date	Feb 2, 2018
Instrument	7197

Lender

Name	FIRST FOUN BK
Type	Bank
Address	18101 VON KARMAN AVE # 750, IRVINE, CA 92612-0005

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Feb 1, 2048

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	San Mateo City
Elementary School District	San Mateo-Foster City 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		$1,907,053 (+2%) Land $683,967 Building $1,223,086
2025	$35,625.00 (+3.31%)	$1,869,660 (+4.04%) Land $670,556 Building $1,199,104
2024	$34,482.00 (+1.92%)
2023	$33,834.00 (+0.45%)	$1,797,061 Land $644,518 Building $1,152,543
2022	$33,681.00

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

FEMA Flood Zone	Zone X minimal risk
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	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	CALIFORNIA WATER SERVICE - SAN MATEO private · serves 103,536 people · EPA ID CA4110008
Water Source	Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM
Last State Inspection	Mar 2025
Lead	4 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	None 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 803 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 · Fiber in parts of the area	2,000 / 250
Astound Broadband Cable	1,500 / 50
Verizon Fixed Wireless	1,000 / 75
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Sonic Telecom, Unwired.

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