330 Sonora Dr, San Mateo, CA 94402 Property Records

San Mateo County property record for 330 Sonora Dr, San Mateo, CA 94402

Property Summary

Property Type	Single Family Home
Details	3 bd · 4 ba · 2,810 sqft · built 1937
Lot Size	0.177 acres (7,707 sqft)
Owner	2 Company Names on Record
Last Sale	$1,450,000 (Jun 2010)
Tax Bill	$22,870 (2025)
Deeds & Mortgages	Mar 2019 Transfer Mar 2019 Transfer
Flood Zone	Zone X (minimal risk)
APN	`034-221-060`

Property Details

APN / Parcel Number

Primary APN	`034-221-060`

Interior

Bedrooms	3 Beds
Full Baths	4 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	2,810 sqft Living Area
Gross Area	3,820 sqft
1st Floor Area	1,890 sqft
Basement Area	1,290 sqft
Finished Basement	280 sqft
Unfinished Basement	1,010 sqft
Family Room	Family Room

Exterior

Year Built	Built 1937
Effective Year Built	Effective 1937
Lot Area	7,707 sqft (0.177 acres)
Lot Dimensions	102 ft deep x 75 ft wide
Garage Type	Basement
Garage Area	1,010 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	330 SONORA DR
City	SAN MATEO
State	CA
Zip	94402-2340
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	LOT 8 BLOCK 15 & SWLY 10 FT OF LOT 7 & NELY 5 FT OF LOT 9 BLOCK 15 ARAGON SUB NO 5 RSM 20/73 74 CITY OF SAN MATEO
Legal Subdivision	ARAGON SUB NO 5
Legal Block	15
Legal Lot Number	8,7,9
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	1
Census Block	1011
Census Tract	606500

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	330 SONORA DR, SAN MATEO, CA 94402-2340
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Mar 12, 2019	Quit Claim Deed, Transfer ATTORNEY ONLY
Mar 12, 2019	Quit Claim Deed, Transfer NOT AVAILABLE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 11, 2010 · Amount on Record
Deed Sale	Jun 11, 2010 · Amount on Record
Prior Sale	Jun 27, 1996 · Amount on Record
Deed Document Number	201064402
Prior Transfer Date	Nov 1, 1995
Prior Transfer Doc	0000130856
Record Updated	Oct 29, 2026

March 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Mar 12, 2019
Property Address	330 SONORA DR, SAN MATEO, CA 94402-2340
Document Number	0000017055
Instrument Date	Feb 13, 2019
Instrument	17055
Transaction Type	Transfer
Record Updated	Mar 28, 2019
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	330 SONORA DR SAN MATEO CA 944022340, SAN MATEO, CA 94402-2340

March 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Mar 12, 2019
Property Address	330 SONORA DR, SAN MATEO, CA 94402-2340
Document Number	0000017054
Instrument Date	Dec 7, 2018
Instrument	17054
Transaction Type	Transfer
Record Updated	Mar 28, 2019
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	330 SONORA DR SAN MATEO CA 944022340, SAN MATEO, CA 94402-2340

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		$1,909,116 (+2%) Land $954,558 Building $954,558
2025	$22,870.00 (+2.39%) Homeowner's exemption	$1,871,684 (+4.04%) Land $935,842 Building $935,842
2023	$22,336.00 (+2.51%) Homeowner's exemption	$1,799,006 Land $899,503 Building $899,503	$2,603,520
2022	$21,789.00

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 (1979–1998)
Claims Outside the SFHA	1 of 2
Most Recent Claim	Feb 1998 · Severe Winter Storms And Flooding

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	Low lower than 99.1% of the US · lower than 99.2% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond 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 727 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber	5,000 / 5,000
Xfinity Cable	2,000 / 250
Astound Broadband Cable	1,500 / 50
Sonic Telecom Fiber	1,000 / 1,000
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Verizon.

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