566 Sylvan Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 566 Sylvan Ave, San Mateo, CA 94403

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,130 sqft · built 1945
Lot Size	0.137 acres (5,987 sqft)
Owner	Individual Name on Record
Last Sale	$1,600,000 (Apr 2022)
Tax Bill	$20,576 (2025)
Deeds & Mortgages	Apr 2024 Mortgage Apr 2025 Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`039-302-330`

Property Details

APN / Parcel Number

Primary APN	`039-302-330`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,130 sqft Living Area
1st Floor Area	1,130 sqft
Family Room	Family Room

Exterior

Year Built	Built 1945
Effective Year Built	Effective 1945
Lot Area	5,987 sqft (0.137 acres)
Lot Dimensions	109 ft deep x 55 ft wide
Garage Area	230 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	566 SYLVAN AVE
City	SAN MATEO
State	CA
Zip	94403-3214
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	LOT 1 BLOCK 22 SAN MATEO TERRACE MAP NO 7 RSM 23/70 CITY OF SAN MATEO
Legal Subdivision	SAN MATEO TERRACE MAP NO 7
Legal Block	22
Legal Lot Number	1
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	3
Census Block	3000
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	Individual Name on Record
Mailing Address	11 VIEWMONT TER, SOUTH SAN FRANCISCO, CA 94080-1571
Owner Type	Individual
Vesting	Unmarried Man

Deeds, Mortgages & Sale History

Date	Document
Apr 30, 2024	Deed of Trust, Mortgage · Commercial Mortgage CONVENTUS LLC
Apr 28, 2025	Deed of Trust, Mortgage · Commercial Mortgage CONVENTUS LLC
Apr 28, 2026	Grant Deed, Transfer · Construction Mortgage CONVENTUS LLC
Apr 25, 2022	Intrafamily Transfer, Transfer CHICAGO TITLE COMPANY
Apr 25, 2022	Grant Deed, Transfer · Commercial Mortgage CONVENTUS LLC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Apr 25, 2022 · Amount on Record
Deed Sale	Apr 25, 2022 · Amount on Record
Deed Document Number	202234565
Prior Transfer Date	May 29, 1999
Prior Transfer Doc	0000147811
Record Updated	Oct 29, 2026

April 2024: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	566 SYLVAN AVE, SAN MATEO, CA 94403-3214
Transaction Type	Mortgage
Record Updated	May 22, 2026
Title Company	CHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	11 VIEWMONT TER, S SAN FRAN, CA 94080-1571

Mortgage

Document Number	0000022192
Date	Apr 30, 2024
Instrument	2024-022192

Lender

Name	CONVENTUS LLC
Type	Non-Lending Institution
Address	SAN FRANCISCO, CA 94103

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded
Term	13 Months
Due	May 1, 2025

April 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	566 SYLVAN AVE, SAN MATEO, CA 94403-3214
Transaction Type	Mortgage
Record Updated	May 22, 2026
Title Company	FIRST AMERICAN TITLE, FIRST AMERICAN MORTGAGE SLN

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	11 VIEWMONT TER, SOUTH SAN FRANCISCO, CA 94080-1571

Mortgage

Document Number	0000020470
Date	Apr 28, 2025
Instrument	2025-020470

Lender

Name	CONVENTUS LLC
Type	Non-Lending Institution
Address	SAN FRANCISCO, CA 94104

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded
Term	13 Months
Due	May 1, 2026

April 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Apr 28, 2026
Property Address	566 SYLVAN AVE, SAN MATEO, CA 94403-3214
Document Number	0000022598
Instrument Date	Apr 23, 2026
Instrument	202622598
Transaction Type	Transfer
Record Updated	Jul 12, 2026
Title Company	CHICAGO TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	11 VIEWMONT TER, SOUTH SAN FRANCISCO, CA 94080-1571

Mortgage

Document Number	0000022599,
Date	Apr 28, 2026
Instrument	202622599

Lender

Name	CONVENTUS LLC

Agreement

Type	Construction Mortgage
Amount	Amount Recorded
Term	12 Months
Due	May 1, 2027

Interest

Rate	6.11%
Max Rate	-1%

April 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Apr 25, 2022
Property Address	566 SYLVAN AVE, SAN MATEO, CA 94403-3214
Document Number	0000034566
Map Reference	MB 23 PG 70
Instrument Date	Apr 21, 2022
Instrument	2022-034566
Transaction Type	Transfer
Record Updated	Oct 18, 2022
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	11 VIEWMONT TER, SOUTH SAN FRANCISCO, CA 94080-1571

April 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Apr 25, 2022
Property Address	566 SYLVAN AVE, SAN MATEO, CA 94403-3214
Document Number	0000034565
Map Reference	MB 23 PG 70
Instrument Date	Apr 14, 2022
Instrument	2022-034565
Transaction Type	Transfer
Record Updated	Oct 18, 2022
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$9,760.00
Amount Accuracy	Partially Calculated from Transfer Tax
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	11 VIEWMONT TER, S SAN FRAN, CA 94080-1571

Mortgage

Document Number	0000034567
Date	Apr 25, 2022
Instrument	2022-034567

Lender

Name	CONVENTUS LLC
Type	Non-Lending Institution

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

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		$1,819,338 (+7.15%) Land $1,212,323 Building $607,015
2025	$20,576.00 (+2.29%)	$1,697,931 (+19.07%) Land $1,188,552 Building $509,379
2024	$20,115.00 (+16.06%)
2023	$17,332.00 (-8.5%)	$1,426,000 Land $998,000 Building $428,000	$1,282,140
2022	$18,942.00

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	2 (2009–2017)
Claims Outside the SFHA	2 of 2
Most Recent Claim	Jan 2017 · Severe Winter Storms, Flooding, And Mudslides

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 732 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, T-Mobile.

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