322 Sonora Dr, San Mateo, CA 94402 Property Records

San Mateo County property record for 322 Sonora Dr, San Mateo, CA 94402

Property Summary

Property Type	Single Family Home
Details	3 bd · 3.5 ba · 2,737 sqft · built 1947
Lot Size	0.13 acres (5,641 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,450,000 (May 2009)
Tax Bill	$23,806 (2025)
Deeds & Mortgages	Jan 2025 Transfer Jan 2025 Transfer + 3 more
Flood Zone	Zone X (minimal risk)
APN	`034-221-080`

Property Details

APN / Parcel Number

Primary APN	`034-221-080`

Interior

Bedrooms	3 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	1 Story
Building Area	2,737 sqft Living Area
Gross Area	3,187 sqft
1st Floor Area	1,830 sqft
Basement Area	917 sqft
Finished Basement	467 sqft
Unfinished Basement	450 sqft
Family Room	Family Room

Exterior

Year Built	Built 1947
Effective Year Built	Effective 1947
Lot Area	5,641 sqft (0.13 acres)
Lot Dimensions	102 ft deep x 55 ft wide
Garage Type	Basement
Garage Area	450 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	322 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	NELY 55 FT OF LOT 6 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	6
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 Individual Names on Record
Mailing Address	322 SONORA DR, SAN MATEO, CA 94402-2340
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jan 13, 2025	Transfer on Death Deed, Transfer
Jan 13, 2025	Transfer on Death Deed, Transfer
Jan 17, 2018	Deed of Trust, Mortgage · Line of Credit CITIBANK
Apr 2, 2021	Deed of Trust, Mortgage · Conventional Mortgage BANK OF AMERICA NA
Jun 13, 2020	Deed of Trust, Mortgage BANK OF AMERICA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 28, 2009 · Amount on Record
Deed Sale	May 28, 2009 · Amount on Record
Deed Document Number	200967611
Last Transfer Date	Dec 19, 2024
Transfer Doc	0000001425
Record Updated	Sep 20, 2026

January 2025: Transfer on Death Deed, Transfer

Document Type	Transfer on Death Deed
Jurisdiction	SAN MATEO CA
Recording Date	Jan 13, 2025
Property Address	322 SONORA DR, SAN MATEO, CA 94402-2340
Document Number	0000001436
Map Reference	MB 20 PG 73&74
Instrument Date	Dec 19, 2024
Instrument	2025-001436
Transaction Type	Transfer
Record Updated	Apr 16, 2026

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	322 SONORA DR, SAN MATEO, CA 94402-2340

Transferred To (Grantee/Buyer)

Name	Verified Name

January 2025: Transfer on Death Deed, Transfer

Document Type	Transfer on Death Deed
Jurisdiction	SAN MATEO CA
Recording Date	Jan 13, 2025
Property Address	322 SONORA DR, SAN MATEO, CA 94402-2340
Document Number	0000001425
Map Reference	MB 20 PG 73&74
Instrument Date	Dec 19, 2024
Instrument	2025-001425
Transaction Type	Transfer
Record Updated	Apr 16, 2026

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	322 SONORA DR, SAN MATEO, CA 94402-2340

Transferred To (Grantee/Buyer)

Name	Verified Name

January 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	322 SONORA DR, SAN MATEO, CA 94402-2340
Transaction Type	Mortgage
Record Updated	Oct 18, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000002827
Date	Jan 17, 2018
Instrument	2018-002827

Lender

Name	CITIBANK
Type	Bank
Address	O FALLON, MO 63368

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Jan 16, 2048

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

April 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	322 SONORA DR, SAN MATEO, CA 94402-2340
Transaction Type	Mortgage
Record Updated	Oct 18, 2022
Title Company	STEWART TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	322 SONORA DR, SAN MATEO, CA 94402-2340

Mortgage

Document Number	0000053214
Date	Apr 2, 2021
Instrument	2021-053214

Lender

Name	BANK OF AMERICA NA
Type	Bank
Address	CHARLOTTE, NC 28255

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Apr 1, 2051

June 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	322 SONORA DR, SAN MATEO, CA 94402-2340
Document Number	0000057986
Instrument Date	Jun 13, 2020
Transaction Type	Mortgage
Record Updated	Jul 14, 2020
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	322 SONORA DR SAN MATEO CA 944022340, SAN MATEO, CA 94402-2340

Mortgage

Document Number	0000057986
Date	Jun 22, 2020
Instrument	57986

Lender

Name	BANK OF AMERICA
Type	Bank
Address	CHARLOTTE, NC 28255

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Jun 21, 2050

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		$1,975,332 (+5.31%) Land $952,294 Building $1,023,038
2025	$23,806.00 (+1.87%)	$1,875,817 (+4.04%) Land $933,622 Building $942,195
2024	$23,370.00 (+2.98%)
2023	$22,693.00 (+2.63%)	$1,802,979 Land $897,369 Building $905,610	$2,566,530
2022	$22,111.00

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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