333 E 40th Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 333 E 40th Ave, San Mateo, CA 94403 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,330 sqft · built 1950
Lot Size	0.168 acres (7,309 sqft)
Owner	2 Company Names on File
Tax Bill	$7,641 (2025)
Deeds & Mortgages	Dec 2025 Transfer
Flood Zone	Zone X (reduced by levee)
APN	`040-203-220`

Property Details

APN / Parcel Number

Primary APN	`040-203-220`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,330 sqft Living Area
1st Floor Area	1,080 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1950
Effective Year Built	Effective 1950
Architectural Style	Ranch
Exterior Material	Stucco
Construction Type	Frame
Roof Material	Composition Shingle
Lot Area	7,309 sqft (0.168 acres)
Lot Dimensions	100 ft deep x 73 ft wide
View / Lot	Corner
Garage Area	370 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	333 E 40TH AVE
City	SAN MATEO
State	CA
Zip	94403-3660
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 19 BLOCK 21 SAN MATEO VILLAGE UNIT NO 3 RSM 30/12 13 CITY OF SAN MATEO
Legal Subdivision	SAN MATEO VILLAGE UNIT NO 3
Legal Block	21
Legal Lot Number	19
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	3
Census Block	3007
Census Tract	608501

Owner

Source: San Mateo County records · APN 040-203-220

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 Company Names on File
Mailing Address	333 E 40TH AVE, SAN MATEO, CA 94403-3660
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Revocable Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Transfer Date	Sep 23, 2025
Transfer Doc	0000066255
Record Updated	Sep 20, 2026

December 2025: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Dec 04, 2025
Property Address	333 E 40TH AVE, SAN MATEO, CA 94403-3660
Document Number	0000066255
Map Reference	MB 30 PG 12&13
Instrument Date	Sep 23, 2025
Instrument	2025-066255
Transaction Type	Transfer
Record Updated	Dec 31, 2025

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	Revocable Trust

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		$428,512 (+2%) Land $136,647 Building $291,865
2025	$7,641.00 (+5.16%) Homeowner's exemption	$420,111 (+4.04%) Land $133,968 Building $286,143
2024	$7,266.00 (+2.96%)
2023	$7,057.00 (-11.48%)	$403,800 Land $128,767 Building $275,033	$1,022,940
2022	$7,972.00

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 060816085013, 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 X
Special Flood Hazard Area	No
Flood Hazard	Reduced by levee depends on levee performance
500-Year Floodplain	No
Flood Insurance Cost	Premium on Record median of 13 individual NFIP policies nearby
Nearby Flood Policies	13 in force 13 of 13 on primary residences
Nearby Flood Claims	2 (1979–2010)
Claims Outside the SFHA	1 of 2
Most Recent Claim	Jan 2010, other causes

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.