424 30th Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 424 30th Ave, San Mateo, CA 94403

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,420 sqft · built 1941
Lot Size	0.159 acres (6,925 sqft)
Owner	2 Company Names on Record
Last Sale	$1,525,000 (Jul 2020)
Tax Bill	$19,843 (2025)
Deeds & Mortgages	Jul 2020 Sale & Mortgage Nov 2017 Transfer + 2 more
Flood Zone	Zone X (minimal risk)
APN	`039-315-140`

Property Details

APN / Parcel Number

Primary APN	`039-315-140`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,420 sqft Living Area
1st Floor Area	1,140 sqft
Family Room	Family Room

Exterior

Year Built	Built 1941
Effective Year Built	Effective 1941
Lot Area	6,925 sqft (0.159 acres)
Lot Dimensions	84 ft deep x 81 ft wide
Garage Area	400 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	424 30TH AVE
City	SAN MATEO
State	CA
Zip	94403-2719
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	LOT 15 BLOCK 20 SAN MATEO TERRACE MAP NO 6 RSM 23/36 CITY OFSAN MATEO
Legal Subdivision	SAN MATEO TERRACE MAP NO 6
Legal Block	20
Legal Lot Number	15
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	2
Census Block	2017
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	424 30TH AVE, SAN MATEO, CA 94403-2719
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jul 6, 2020	Grant Deed, Transfer · Conventional Mortgage CALIBER HM LOANS
Nov 9, 2017	Quit Claim Deed, Transfer CHICAGO TITLE COMPANY
Nov 9, 2017	Grant Deed, Transfer CHICAGO TITLE COMPANY
Aug 29, 2017	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 6, 2020 · Amount on Record
Deed Sale	Jul 6, 2020 · Amount on Record
Prior Sale	Nov 9, 2017 · Amount on Record
Deed Document Number	202063575
Record Updated	Oct 29, 2026

July 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Jul 6, 2020
Property Address	424 30TH AVE, SAN MATEO, CA 94403-2719
Document Number	0000063575
Instrument Date	Jun 30, 2020
Instrument	63575
Transaction Type	Transfer
Record Updated	Jul 30, 2020
Title Company	NORTH AMERICAN TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,678.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	424 30TH AVE SAN MATEO CA 944032719, SAN MATEO, CA 94403-2719

Mortgage

Document Number	63576
Date	Jul 6, 2020
Instrument	63576

Lender

Name	CALIBER HM LOANS
Type	Funding / Finance Company
Address	COPPELL, TX 75019

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jul 5, 2050

November 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Nov 9, 2017
Property Address	424 30TH AVE, SAN MATEO, CA 94403-2719
Document Number	0000100018
Instrument Date	Nov 9, 2017
Instrument	100018
Transaction Type	Transfer
Record Updated	Dec 5, 2017
Title Company	CHICAGO TITLE COMPANY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	119 S NORFOLK ST SAN MATEO CA 944012021, SAN MATEO, CA 94401-2021

November 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Nov 9, 2017
Property Address	424 30TH AVE, SAN MATEO, CA 94403-2719
Document Number	0000100017
Instrument Date	Nov 8, 2017
Instrument	100017
Transaction Type	Transfer
Record Updated	Jan 16, 2018
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount Recorded
Tax	$1,485.00
Amount Accuracy	Full Value
Additional	Notice of Trustee Sale Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	41450 PELHAM CT FREMONT CA 945394528, FREMONT, CA 94539-4528

August 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Aug 29, 2017
Property Address	424 30TH AVE, SAN MATEO, CA 94403-2719
Document Number	0000075731
Instrument Date	Aug 5, 2015
Instrument	75731
Transaction Type	Transfer
Record Updated	Sep 14, 2017

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	119 S NORFOLK ST SAN MATEO CA 944012021, SAN MATEO, CA 94401-2021

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		$1,683,718 (+2%) Land $1,174,188 Building $509,530
2025	$19,843.00 (+4.6%) Homeowner's exemption	$1,650,705 (+4.04%) Land $1,151,165 Building $499,540
2023	$18,971.00 (+1.68%) Homeowner's exemption	$1,586,609 Land $1,106,465 Building $480,144	$2,042,190
2022	$18,658.00

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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