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

San Mateo County property record for 106 E 20th Ave, San Mateo, CA 94403 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	1,790 sqft · built 1945
Lot Size	0.137 acres (5,974 sqft)
Owner	2 Individual Names on File
Last Sale	$775,000 (May 2007)
Tax Bill	$18,199 (2025)
Flood Zone	Zone AH (high risk)
APN	`035-234-030`

Property Details

APN / Parcel Number

Primary APN	`035-234-030`

Interior

Stories	1 Story
Building Area	1,790 sqft Living Area
1st Floor Area	1,790 sqft

Exterior

Year Built	Built 1945
Effective Year Built	Effective 1945
Architectural Style	Multi-Family
Lot Area	5,974 sqft (0.137 acres)

Location & Zoning

Street Address	106 E 20TH AVE
City	SAN MATEO
State	CA
Zip	94403-1343
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 2 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	2,87
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 035-234-030

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	2 Individual Names on File
Mailing Address	519 E 16TH AVE, SAN MATEO, CA 94402-2127
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	May 21, 2007 · Amount on Record
Deed Sale	May 21, 2007 · Amount on Record
Deed Document Number	200777791
Prior Transfer Date	May 10, 2007
Prior Transfer Doc	0000077792
Record Updated	Sep 20, 2026

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$1,078,088 (+3.83%) Land $529,544 Building $548,544
2025	$18,199.00 (+15.79%) Homeowner's exemption	$1,038,322 (+4.04%) Land $519,161 Building $519,161
2023	$15,717.00 (+0.66%) Homeowner's exemption	$998,004 Land $499,002 Building $499,002	$1,814,220
2022	$15,614.00

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.