110 E 20th Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 110 E 20th Ave, San Mateo, CA 94403 · Last verified July 2026

Property Summary

Property Type	Other
Details	built 1917
Lot Size	0.137 acres (5,953 sqft)
Owner	Company Name on File
Last Sale	$1,250,000 (Dec 2022)
Tax Bill	$16,059 (2025)
Deeds & Mortgages	Dec 2022 Sale & Mortgage
Flood Zone	Zone AH (high risk)
APN	`035-234-020`

Property Details

APN / Parcel Number

Primary APN	`035-234-020`

Interior

Stories	1 Story
Family Room	Family Room

Exterior

Year Built	Built 1917
Effective Year Built	Effective 1917
Lot Area	5,953 sqft (0.137 acres)
Lot Dimensions	118 ft deep x 51 ft wide

Location & Zoning

Street Address	110 E 20TH AVE
City	SAN MATEO
State	CA
Zip	94403-1343
Property Category	Other
Property Type	Other > Miscellaneous
Legal Description	LOT 1 BLOCK 10 RESUB OF LOTS 87 88 ETC SAN MATEO CITY HOMESTEAD RSM 16/62 CITY OF SAN MATEO
Legal Subdivision	SAN MATEO CITY HOMESTEAD
Legal Block	10
Legal Lot Number	1,87
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	2
Census Block	2024
Census Tract	607500

Owner

Source: San Mateo County records · APN 035-234-020

Assessment roll updated July 15, 2026 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on File
Mailing Address	1805 CEDAR ST, SAN CARLOS, CA 94070-4764
Owner Type	Company
Vesting	Limited Liability Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Dec 30, 2022 · Amount on Record
Deed Sale	Dec 30, 2022 · Amount on Record
Deed Document Number	202288671
Prior Transfer Date	Mar 08, 1995
Prior Transfer Doc	0000052812
Record Updated	Sep 20, 2026

December 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Dec 30, 2022
Property Address	110 E 20TH AVE, SAN MATEO, CA 94403-1343
Document Number	0000088671
Map Reference	MB 16 PG 62
Instrument Date	Dec 13, 2022
Instrument	2022-088671
Transaction Type	Transfer
Record Updated	Jan 19, 2023
Title Company	LAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$7,625.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1805 CEDAR ST, SAN CARLOS, CA 94070-4764

Mortgage

Document Number	0000088672
Date	Dec 30, 2022
Instrument	2022-088672

Lender

Name	PALMER 1995 TRUST
Type	Seller

Agreement

Type	Seller Carry-Back
Amount	Amount Recorded

Tax Assessment & Valuation

Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified July 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

Assessed value is set for property tax purposes and is not a market price estimate.

Year	Tax Bill	Assessed Value
2026		$1,326,509 (+2%) Land $1,262,837 Building $63,672
2025	$16,059.00 (+1.56%)	$1,300,500 (+4.04%) Land $1,238,076 Building $62,424
2024	$15,813.00 (+2.95%)
2023	$15,360.00 (+194.59%)	$1,250,000 Land $1,190,000 Building $60,000
2022	$5,214.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, San Mateo County (06081C), updated September 10, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060816075002, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone AH shallow ponding 1–3 ft
Special Flood Hazard Area	Yes
Flood Hazard	High
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	12.0 ft
Flood Insurance Requirement	Required (federally backed mortgages)
Flood Insurance Cost	Premium on Record median of 15 individual NFIP policies nearby
Nearby Flood Policies	15 in force 10 of 15 on primary residences
Nearby Flood Claims	1 (2022)
Most Recent Claim	Dec 2022, river or lake flooding, Severe Winter Storms, Flooding, Landslides, And Mudslides

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

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.