1816 Byron Ave, San Mateo, CA 94401 Property Records

San Mateo County property record for 1816 Byron Ave, San Mateo, CA 94401

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,350 sqft · built 1952
Lot Size	0.115 acres (5,000 sqft)
Owner	2 Trust Names on File
Last Sale	$575,000 (Oct 2010)
Tax Bill	$10,275 (2025)
Deeds & Mortgages	Dec 2021 Mortgage Dec 2021 Transfer + 1 more
Flood Zone	Zone X (reduced by levee)
APN	`033-374-030`

Property Details

APN / Parcel Number

Primary APN	`033-374-030`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,350 sqft Living Area
1st Floor Area	970 sqft
Family Room	Family Room

Exterior

Year Built	Built 1952
Effective Year Built	Effective 1952
Lot Area	5,000 sqft (0.115 acres)
Lot Dimensions	100 ft deep x 50 ft wide
Garage Area	250 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	1816 BYRON AVE
City	SAN MATEO
State	CA
Zip	94401-3404
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R106
Legal Description	LOT 3 BLOCK 11 SHORE VIEW TRACT MAP NO 9 RSM 31/34 35 36 37 CITY OF SAN MATEO
Legal Subdivision	SHORE VIEW TRACT MAP NO 9
Legal Block	11
Legal Lot Number	3
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	1
Census Block	1006
Census Tract	607701

Owner

1816 Byron Ave is held in a trust since October 2010.

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

Owner of Record	2 Trust Names on File
Mailing Address	945 BUCKLAND AVE, SAN CARLOS, CA 94070-1809
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
Dec 15, 2021	Intrafamily Transfer, Transfer · Conventional Mortgage ROCKET MORTGAGE LLC
Dec 15, 2021	Intrafamily Transfer, Transfer CHICAGO TITLE COMPANY
May 15, 2019	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 7, 2010 · Amount on File
Deed Sale	Oct 7, 2010 · Amount on File
Prior Sale	Oct 3, 1996 · Amount on File
Deed Document Number	2010117685
Prior Transfer Date	Sep 27, 1996
Prior Transfer Doc	0000122905
Record Updated	Oct 29, 2026

December 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Dec 15, 2021
Property Address	1816 BYRON AVE, SAN MATEO, CA 94401-3404
Document Number	0000170411
Map Reference	MB 31 PG 34-37
Instrument Date	Dec 7, 2021
Instrument	2021-170411
Transaction Type	Transfer
Record Updated	May 30, 2023
Title Company	CHICAGO TITLE COMPANY

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
Relationship	Community Property with Right of Survivorship
Address	945 BUCKLAND AVE, SAN CARLOS, CA 94070-1809

Mortgage

Document Number	0000170412
Date	Dec 15, 2021
Instrument	2021-170412

Lender

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

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jan 1, 2052

December 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Dec 15, 2021
Property Address	1816 BYRON AVE, SAN MATEO, CA 94401-3404
Document Number	0000170413
Map Reference	MB 31 PG 34-37
Instrument Date	Dec 7, 2021
Instrument	2021-170413
Transaction Type	Transfer
Record Updated	May 30, 2023
Title Company	CHICAGO TITLE COMPANY

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	945 BUCKLAND AVE, SAN CARLOS, CA 94070-1809

May 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	May 15, 2019
Property Address	1816 BYRON AVE, SAN MATEO, CA 94401-3404
Document Number	0000036452
Instrument Date	May 14, 2019
Instrument	36452
Transaction Type	Transfer
Record Updated	Jun 5, 2019
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	945 BUCKLAND AVE SAN CARLOS CA 940701809, SAN CARLOS, CA 94070-1809

Tax Assessment & Valuation

The 2025 property tax bill for 1816 Byron Ave was $10,275.

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		$751,394 (+2%) Land $375,697 Building $375,697
2025	$10,275.00	$736,662 Land $368,331 Building $368,331
2023	$9,815.00 (+1.32%)	$708,058 Land $354,029 Building $354,029	$1,179,900
2022	$9,687.00

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

Flood

FEMA maps place 1816 Byron Ave in Zone X, where a levee reduces flood risk.

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 reduced by levee · depends on levee performance
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 12 policies
Nearby Flood Policies	12 in force

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 1816 Byron 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 1,004 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Astound Broadband Cable	1,500 / 50
Unwired Fixed Wireless	300 / 25
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

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

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