307 30th Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 307 30th Ave, San Mateo, CA 94403

Property Summary

Property Type	Single Family Home
Details	2 bd · 2.5 ba · 2,462 sqft · built 1941
Lot Size	0.127 acres (5,510 sqft)
Owner	2 Trust Names on File
Last Sale	$1,222,500 (Nov 2006)
Tax Bill	$21,629 (2025)
Deeds & Mortgages	Feb 2026 Transfer Sep 2021 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`039-314-070`

Property Details

APN / Parcel Number

Primary APN	`039-314-070`

Interior

Bedrooms	2 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,462 sqft Living Area
Gross Area	2,729 sqft
1st Floor Area	1,250 sqft
2nd Floor Area	335 sqft
Basement Area	509 sqft
Finished Basement	242 sqft
Unfinished Basement	267 sqft
Family Room	Family Room

Exterior

Year Built	Built 1941
Effective Year Built	Effective 1941
Lot Area	5,510 sqft (0.127 acres)
Lot Dimensions	110 ft deep x 50 ft wide
Garage Type	Basement
Garage Area	267 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	307 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 7 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	7
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	2
Census Block	2010
Census Tract	607300

Owner

307 30th Ave is owner-occupied and held in a trust since November 2006.

Source: San Mateo County records, as of July 15, 2026

Owner of Record	2 Trust Names on File
Mailing Address	307 30TH AVE, SAN MATEO, CA 94403-2716
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Feb 2, 2026	Intrafamily Transfer, Transfer
Sep 9, 2021	Deed of Trust, Mortgage · Conventional Mortgage ROCKET MORTGAGE LLC
Sep 11, 2020	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC
Jan 4, 2020	Deed of Trust, Mortgage · Line of Credit BANK OF AMERICA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 3, 2006 · Amount on File
Deed Sale	Nov 3, 2006 · Amount on File
Prior Sale	Jan 20, 2006 · Amount on File
Deed Document Number	2006166817
Prior Transfer Date	Oct 23, 2002
Prior Transfer Doc	0000261608
Record Updated	Oct 29, 2026

February 2026: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Feb 2, 2026
Property Address	307 30TH AVE, SAN MATEO, CA 94403-2716
Document Number	0000005031
Map Reference	MB 22 PG 35
Instrument Date	Jan 28, 2026
Instrument	2026-005031
Transaction Type	Transfer
Record Updated	Mar 5, 2026

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	307 30TH AVE, SAN MATEO, CA 94403-2716

September 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	307 30TH AVE, SAN MATEO, CA 94403-2716
Transaction Type	Mortgage
Record Updated	Oct 4, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	307 30TH AVE, SAN MATEO, CA 94403-2716

Mortgage

Document Number	0000129908
Date	Sep 9, 2021
Instrument	2021-129908

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Oct 1, 2051

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	307 30TH AVE, SAN MATEO, CA 94403-2716
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	307 30TH AVE, SAN MATEO, CA 94403-2716

Mortgage

Document Number	0000093802
Date	Sep 11, 2020
Instrument	2020-093802

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Oct 1, 2050

January 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	307 30TH AVE, SAN MATEO, CA 94403-2716
Document Number	0000002811
Instrument Date	Jan 4, 2020
Transaction Type	Mortgage
Record Updated	Feb 4, 2020
Title Company	WFG LENDER SERVICES, WFG LENDER SVCS

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	307 30TH AVE SAN MATEO CA 944032716, SAN MATEO, CA 94403-2716

Mortgage

Document Number	0000002811
Date	Jan 13, 2020
Instrument	2811

Lender

Name	BANK OF AMERICA
Type	Bank
Address	TAMPA, FL 33634

Agreement

Type	Line of Credit
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

The 2025 property tax bill for 307 30th Ave was $21,629.

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		$1,711,679 (+2%) Land $835,315 Building $876,364
2025	$21,629.00 Homeowner's exemption	$1,678,119 Land $818,937 Building $859,182
2023	$21,196.00 (-2.82%) Homeowner's exemption	$1,612,959 Land $787,138 Building $825,821	$2,682,990
2022	$21,810.00

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

Flood

FEMA maps place 307 30th Ave in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 1998.

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

The area around 307 30th Ave has no burnable land within ember reach, so its wildfire risk is not rated.

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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