404 Sylvan Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 404 Sylvan Ave, San Mateo, CA 94403

Property Summary

Property Type	Single Family Home
Details	3 bd · 3 ba · 1,504 sqft · built 1940
Lot Size	0.126 acres (5,500 sqft)
Owner	2 Company Names on Record
Last Sale	$1,100,000 (May 2015)
Tax Bill	$20,949 (2025)
Deeds & Mortgages	Apr 2020 Mortgage Feb 2022 Line of Credit + 1 more
Flood Zone	Zone X (minimal risk)
APN	`039-313-130`

Property Details

APN / Parcel Number

Primary APN	`039-313-130`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,504 sqft Living Area
1st Floor Area	1,024 sqft
Family Room	Family Room

Exterior

Year Built	Built 1940
Effective Year Built	Effective 1940
Lot Area	5,500 sqft (0.126 acres)
Lot Dimensions	110 ft deep x 50 ft wide
Garage Area	273 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	404 SYLVAN AVE
City	SAN MATEO
State	CA
Zip	94403-3334
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	LOT 18 BLOCK 12 SAN MATEO TERRACE MAP NO 5 RSM 22/35 CITY OFSAN MATEO
Legal Subdivision	SAN MATEO TERRACE MAP NO 5
Legal Block	12
Legal Lot Number	18
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	2
Census Block	2016
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	404 SYLVAN AVE, SAN MATEO, CA 94403-3334
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Apr 14, 2020	Deed of Trust, Mortgage · Conventional Mortgage FIRST REPUBLIC BANK
Feb 9, 2022	Deed of Trust, Mortgage · Line of Credit BANK OF AMERICA NA
May 22, 2023	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 8, 2015 · Amount on Record
Deed Sale	May 8, 2015 · Amount on Record
Deed Document Number	201547428
Last Transfer Date	Jul 21, 2022
Transfer Doc	0000023994
Record Updated	Sep 20, 2026

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	404 SYLVAN AVE, SAN MATEO, CA 94403-3334
Transaction Type	Mortgage
Record Updated	Aug 5, 2022
Title Company	CHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000033750
Date	Apr 14, 2020
Instrument	2020-033750

Lender

Name	FIRST REPUBLIC BANK
Type	Bank
Address	SAN FRANCISCO, CA 94111

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	May 1, 2050

February 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	404 SYLVAN AVE, SAN MATEO, CA 94403-3334
Transaction Type	Mortgage
Record Updated	Aug 5, 2022
Title Company	WFG LENDER SERVICES

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	404 SYLVAN AVE, SAN MATEO, CA 94403-3334

Mortgage

Document Number	0000012102
Date	Feb 9, 2022
Instrument	2022-012102

Lender

Name	BANK OF AMERICA NA
Type	Bank
Address	TAMPA, FL 33634

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

May 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	May 22, 2023
Property Address	404 SYLVAN AVE, SAN MATEO, CA 94403-3334
Document Number	0000023994
Map Reference	MB 22 PG 35
Instrument Date	Jul 21, 2022
Instrument	2023-023994
Transaction Type	Transfer
Record Updated	Jun 14, 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
Relationship	Family Trust
Address	404 SYLVAN AVE, SAN MATEO, CA 94403-3334

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		$1,694,108 (+2%) Land $1,121,681 Building $572,427
2025	$20,949.00 (+4.19%) Homeowner's exemption	$1,660,892 (+4.04%) Land $1,099,688 Building $561,204
2023	$20,107.00 (+2.07%) Homeowner's exemption	$1,596,401 Land $1,056,987 Building $539,414	$2,025,630
2022	$19,700.00

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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