331 30th Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 331 30th Ave, San Mateo, CA 94403

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,540 sqft · built 1943
Lot Size	0.127 acres (5,528 sqft)
Owner	2 Company Names on Record
Tax Bill	$2,836 (2025)
Deeds & Mortgages	Mar 2023 Transfer May 2017 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`039-314-010`

Property Details

APN / Parcel Number

Primary APN	`039-314-010`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,540 sqft Living Area
1st Floor Area	1,540 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1943
Effective Year Built	Effective 1943
Lot Area	5,528 sqft (0.127 acres)
Lot Dimensions	110 ft deep x 50 ft wide
View / Lot	Corner
Garage Area	600 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	331 30TH AVE
City	SAN MATEO
State	CA
Zip	94403-2716
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	LOT 1 BLOCK 11 SAN MATEO TERRACE MAP NO 5 RSM 22/35 CITY OF SAN MATEO
Legal Subdivision	SAN MATEO TERRACE MAP NO 5
Legal Block	11
Legal Lot Number	1
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	2
Census Block	2010
Census Tract	607300

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	331 30TH AVE, SAN MATEO, CA 94403-2716
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Mar 10, 2023	Intrafamily Transfer, Transfer
May 26, 2017	Deed of Trust, Mortgage · ARM US BANK NA
Apr 15, 2020	Affidavit of Death, Transfer LOANDEPOT.COM LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Mar 29, 2013
Transfer Doc	0000051107
Record Updated	Sep 20, 2026

March 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Mar 10, 2023
Property Address	331 30TH AVE, SAN MATEO, CA 94403-2716
Document Number	0000010692
Map Reference	MB 22 PG 35
Instrument Date	Mar 2, 2023
Instrument	2023-010692
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
Address	155 BOVET RD STE 350, 350, SAN MATEO, CA 94402-3135

May 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	331 30TH AVE, SAN MATEO, CA 94403-2716
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	ORTC

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000045665
Date	May 26, 2017
Instrument	2017-045665

Lender

Name	US BANK NA
Type	Bank
Address	OWENSBORO, KY 42301

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Jun 1, 2047

Interest

Rate Type	Adjustable Rate
Rate	3.87%
Adjustable	Adjustable Rate Rider
Type Change Date	Jun 1, 2027
Change Frequency	Annually
Min Rate At Change	2.75%
Max Rate At Change	8.87%
Index	1-Year CMT
Max Rate	8.87%

April 2020: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	SAN MATEO CA
Recording Date	Apr 15, 2020
Property Address	331 30TH AVE, SAN MATEO, CA 94403-2716
Document Number	0000034163
Instrument Date	Apr 9, 2020
Instrument	34163
Transaction Type	Transfer
Record Updated	May 29, 2020
Title Company	NORTH AMERICAN TITLE

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	331 30TH AVE SAN MATEO CA 944032716, SAN MATEO, CA 94403-2716

Mortgage

Document Number	34164
Date	Apr 15, 2020
Instrument	34164

Lender

Name	LOANDEPOT.COM LLC
Type	Funding / Finance Company
Address	FOOTHILL RANCH, CA 92610

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Apr 14, 2050

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	Assessed Market Value
2026		$151,953 (+2%) Land $47,105 Building $104,848
2025	$2,836.00 (+8.29%) Homeowner's exemption	$148,975 (+4.04%) Land $46,182 Building $102,793
2023	$2,619.00 (+3.11%) Homeowner's exemption	$143,192 Land $44,390 Building $98,802	$1,691,010
2022	$2,540.00

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 (1998–2022)
Claims Outside the SFHA	4 of 4
Most Recent Claim	Dec 2022 · 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	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 716 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Sonic Telecom Fiber	10,000 / 10,000
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Astound Broadband Cable · Fiber in parts of the area	1,500 / 50

May also be available: Etheric Networks, GeoLinks, T-Mobile.

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