331 Cavanaugh St, San Mateo, CA 94401 Property Records

San Mateo County property record for 331 Cavanaugh St, San Mateo, CA 94401 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,230 sqft · built 1948
Lot Size	0.111 acres (4,850 sqft)
Owner	2 Company Names on File
Tax Bill	$4,840 (2025)
Deeds & Mortgages	Aug 2017 Sale Aug 2017 Transfer + 2 more
Flood Zone	Zone X (reduced by levee)
APN	`033-083-130`

Property Details

APN / Parcel Number

Primary APN	`033-083-130`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Building Area	1,230 sqft Living Area
Gross Area	1,550 sqft
1st Floor Area	1,230 sqft
Basement Area	320 sqft
Family Room	Family Room

Exterior

Year Built	Built 1948
Effective Year Built	Effective 1948
Lot Area	4,850 sqft (0.111 acres)
Lot Dimensions	100 ft deep x 50 ft wide
Garage Type	Basement
Garage Area	320 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	331 CAVANAUGH ST
City	SAN MATEO
State	CA
Zip	94401-1212
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 32 BLOCK 7 DORE & CAVANAGH SUB RSM 26/3 4 CITY OF SAN MATEO
Legal Subdivision	DORE & CAVANAGH SUB
Legal Block	7
Legal Lot Number	32
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	1
Census Block	1002
Census Tract	606100

Owner

Source: San Mateo County records · APN 033-083-130

Assessment roll updated July 15, 2026 · Last verified July 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 File
Mailing Address	14 14TH AVE, SAN MATEO, CA 94402-2408
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Aug 04, 2017	Affidavit of Death, Transfer ATTORNEY ONLY
Aug 04, 2017	Quit Claim Deed, Transfer ATTORNEY ONLY
Aug 04, 2017	Quit Claim Deed, Transfer ATTORNEY ONLY
Aug 04, 2017	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Transfer Date	Jun 12, 2017
Transfer Doc	0000067567
Record Updated	Sep 20, 2026

August 2017: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	SAN MATEO CA
Recording Date	Aug 04, 2017
Property Address	331 CAVANAUGH ST, SAN MATEO, CA 94401-1212
Document Number	0000067566
Instrument Date	Jun 12, 2017
Instrument	67566
Transaction Type	Transfer
Record Updated	Aug 23, 2017
Title Company	ATTORNEY ONLY

Transaction

Amount	Amount Recorded
Tax	$11.00

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	331 CAVANAUGH ST SAN MATEO CA 944011212, SAN MATEO, CA 94401-1212

August 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Aug 04, 2017
Property Address	331 CAVANAUGH ST, SAN MATEO, CA 94401-1212
Document Number	0000067569
Instrument Date	Jun 12, 2017
Instrument	67569
Transaction Type	Transfer
Record Updated	Jan 03, 2018
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	1414TH AVE SAN MATEO CA 94402, SAN MATEO, CA 94402

August 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Aug 04, 2017
Property Address	331 CAVANAUGH ST, SAN MATEO, CA 94401-1212
Document Number	0000067567
Instrument Date	Jun 12, 2017
Instrument	67567
Transaction Type	Transfer
Record Updated	Jan 03, 2018
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	Separate Estate/Property
Address	14 14TH AVE SAN MATEO CA 944022408, SAN MATEO, CA 94402-2408

August 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Aug 04, 2017
Property Address	331 CAVANAUGH ST, SAN MATEO, CA 94401-1212
Document Number	0000067568
Instrument Date	Jun 12, 2017
Instrument	67568
Transaction Type	Transfer
Record Updated	Jan 03, 2018
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	Community Property
Address	14 14TH AVE SAN MATEO CA 944022408, SAN MATEO, CA 94402-2408

Tax Assessment & Valuation

Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified July 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

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$260,972 (+2%) Land $129,981 Building $130,991
2025	$4,840.00 (+10.28%)	$255,856 (+4.04%) Land $127,433 Building $128,423
2023	$4,389.00 (+1.39%)	$245,923 Land $122,486 Building $123,437	$1,104,120
2022	$4,329.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, San Mateo County (06081C), updated September 10, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060816061001, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Reduced by levee depends on levee performance
500-Year Floodplain	No
Nearest Special Flood Hazard Area	Zone AH, within 500 ft
Flood Insurance Cost	Premium on Record median of 21 individual NFIP policies nearby
Nearby Flood Policies	21 in force
Nearby Flood Claims	7 (1982–2015)
Most Recent Claim	Feb 2015, other causes

Wildfire

Wildfire Risk	Low above 5% of the US · above 3% of California
Wildfire Likelihood	Less than 1 in 10,000 per year
Exposure	Direct burnable vegetation at the parcel

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 779 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
AT&T	Fiber	5,000 / 5,000
Xfinity	Cable	2,000 / 250
Radiate Holdings	Cable	1,500 / 50
Verizon	Fixed Wireless	1,000 / 75
Unwired	Fixed Wireless	300 / 25
Etheric Communications, LLC.	Fixed Wireless (licensed-by-rule)	250 / 100

May also be available at this address: AT&T, T-Mobile USA, Sonic Telecom, California Internet. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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