417 Sonora Dr, San Mateo, CA 94402 Property Records

San Mateo County property record for 417 Sonora Dr, San Mateo, CA 94402

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 2,630 sqft · built 1939
Lot Size	0.123 acres (5,375 sqft)
Owner	2 Company Names on Record
Last Sale	$3,750,000 (May 2024)
Tax Bill	$45,189 (2025)
Deeds & Mortgages	Jul 2023 Line of Credit Jul 2021 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`034-212-120`

Property Details

APN / Parcel Number

Primary APN	`034-212-120`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	1 Story
Building Area	2,630 sqft Living Area
Gross Area	2,970 sqft
1st Floor Area	1,320 sqft
Basement Area	540 sqft
Finished Basement	200 sqft
Unfinished Basement	340 sqft
Family Room	Family Room
Study	Study
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1939
Effective Year Built	Effective 1939
Lot Area	5,375 sqft (0.123 acres)
Lot Dimensions	107 ft deep x 50 ft wide
Garage Type	Basement
Garage Area	340 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	417 SONORA DR
City	SAN MATEO
State	CA
Zip	94402-2341
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	SWLY 27 FT OF LOT 5 BLOCK 22 NELY 23 FT OF LOT 6 BLOCK 22 ARAGON SUB NO 5 RSM 20/73 74 CITY OF SAN MATEO
Legal Subdivision	ARAGON SUB NO 5
Legal Block	22
Legal Lot Number	5,6
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	3
Census Block	3007
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	417 SONORA DR, SAN MATEO, CA 94402-2341
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jul 27, 2023	Deed of Trust, Mortgage · Line of Credit PROVIDENT CU
Jul 30, 2021	Deed of Trust, Mortgage · Conventional Mortgage BANK OF AMERICA NA
Jan 28, 2020	Deed of Trust, Mortgage BANK OF AMERICA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 31, 2024 · Amount on Record
Deed Sale	May 31, 2024 · Amount on Record
Prior Sale	Oct 18, 2016 · Amount on Record
Deed Document Number	202428332
Prior Transfer Date	Dec 22, 1995
Prior Transfer Doc	0000000703
Record Updated	Oct 29, 2026

July 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	417 SONORA DR, SAN MATEO, CA 94402-2341
Transaction Type	Mortgage
Record Updated	Aug 28, 2023
Title Company	CHICAGO TITLE PIRT

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	417 SONORA DR, SAN MATEO, CA 94402-2341

Mortgage

Document Number	0000036174
Date	Jul 27, 2023
Instrument	2023-036174

Lender

Name	PROVIDENT CU
Type	Credit Union
Address	REDWOOD CITY, CA 94065

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

July 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	417 SONORA DR, SAN MATEO, CA 94402-2341
Transaction Type	Mortgage
Record Updated	Oct 18, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	417 SONORA DR, SAN MATEO, CA 94402-2341

Mortgage

Document Number	0000112676
Date	Jul 30, 2021
Instrument	2021-112676

Lender

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

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Aug 1, 2051

Interest

Rate Type	Adjustable Rate
Rate	2.75%
Type Change Date	Aug 1, 2028
Change Frequency	6 Months
Min Rate At Change	2.75%
Max Rate At Change	7.75%
Index	Other
Max Rate	7.75%

January 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	417 SONORA DR, SAN MATEO, CA 94402-2341
Document Number	0000009657
Instrument Date	Jan 28, 2020
Transaction Type	Mortgage
Record Updated	Feb 27, 2020
Title Company	AMERICAN COAST TITLE COMPANY, AMERICAN COAST TITLE CO.

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	417 SONORA DR SAN MATEO CA 944022341, SAN MATEO, CA 94402-2341

Mortgage

Document Number	0000009657
Date	Feb 4, 2020
Instrument	9657

Lender

Name	BANK OF AMERICA
Type	Bank
Address	CHARLOTTE, NC 28255

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Feb 3, 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		$3,901,500 (+2%) Land $2,533,374 Building $1,368,126
2025	$45,189.00 (+76.34%) Homeowner's exemption	$3,825,000 (+80.47%) Land $2,483,700 Building $1,341,300
2023	$25,626.00 (+0.6%) Homeowner's exemption	$2,119,482 Land $1,784,828 Building $334,654	$2,890,620
2022	$25,474.00

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within 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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