453 Patten St, Sonoma, CA 95476 Property Records

Sonoma County property record for 453 Patten St, Sonoma, CA 95476

Property Summary

Property Type	Single Family Home
Details	3 bd · 3.5 ba · 3,041 sqft · built 2021
Lot Size	0.199 acres (8,659 sqft)
Owner	2 Individual Names on File
Last Sale	$1,050,000 (Jan 2018)
Tax Bill	$34,475 (2025)
Deeds & Mortgages	Apr 2021 Mortgage Jan 2020 Transfer + 4 more
Flood Zone	Zone X (moderate risk)
APN	`018-321-015-000`

Property Details

APN / Parcel Number

Primary APN	`018-321-015-000`
Alternative APN	`018-321-015`

Interior

Bedrooms	3 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	3,041 sqft Living Area
1st Floor Area	1,208 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2021
Effective Year Built	Effective 2021
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	8,659 sqft (0.199 acres)
Garage Type	Attached
Garage Area	230 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Old Parcel Number	018-321-015
Street Address	453 PATTEN ST
City	SONOMA
State	CA
Zip	95476-6733
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Subdivision	CITY OF SONOMA
Legal Block	3
Legal Lot Number	278
Jurisdiction	SONOMA CA
Township / Civil Division	SONOMA
Census Block Group	3
Census Block	3007
Census Tract	150204

Owner

Source: Sonoma County assessment roll, as of April 13, 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	453 PATTEN ST, SONOMA, CA 95476-6733
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Apr 12, 2021	Deed of Trust, Mortgage · Conventional Mortgage A&D MORTGAGE LLC
Jan 30, 2020	Correction Deed FIRST AMERICAN TITLE
Nov 25, 2019	Deed of Trust, Mortgage · Conventional Mortgage OCMBC INC
Mar 4, 2019	Quit Claim Deed, Transfer Quitclaim
Mar 4, 2019	Quit Claim Deed, Transfer Quitclaim
Jan 22, 2018	Grant Deed, Transfer · Conventional Mortgage ACM INVTR SVCS

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jan 22, 2018 · Amount on Record
Deed Sale	Jan 22, 2018 · Amount on Record
Prior Sale	Aug 24, 1988 · Amount on Record
Deed Document Number	20184480
Prior Transfer Date	Sep 18, 2015
Prior Transfer Doc	0000087559
Record Updated	Jun 8, 2026

April 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SONOMA CA
Property Address	453 PATTEN ST, SONOMA, CA 95476-6733
Transaction Type	Mortgage
Record Updated	Aug 17, 2023
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	453 PATTEN ST, SONOMA, CA 95476-6733

Mortgage

Document Number	0000045283
Date	Apr 12, 2021
Instrument	2021045283

Lender

Name	A&D MORTGAGE LLC
Type	Mortgage Company
Address	HOLLYWOOD, FL 33020

Agreement

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

January 2020: Correction Deed

Document Type	Correction Deed
Jurisdiction	SONOMA CA
Recording Date	Jan 30, 2020
Property Address	453 PATTEN ST, SONOMA, CA 95476-6733
Document Number	0000007041
Instrument Date	Jan 24, 2020
Instrument	7041
Record Updated	Feb 24, 2020
Title Company	FIRST AMERICAN TITLE

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	453 PATTEN ST SONOMA CA 954766733, SONOMA, CA 95476-6733

November 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SONOMA CA
Property Address	453 PATTEN ST, SONOMA, CA 95476-6733
Document Number	0000091348
Instrument Date	Nov 25, 2019
Transaction Type	Mortgage
Record Updated	Dec 30, 2019
Title Company	FIRST AMERICAN TITLE COMPANY RESID', FIRST AMERICAN TITLE CO RESID'

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	19310 APPLE VALLEY RD SONOMA CA 954764825, SONOMA, CA 95476-4825

Mortgage

Document Number	0000091348
Date	Dec 2, 2019
Instrument	91348

Lender

Name	OCMBC INC
Address	IRVINE, CA 92612

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Dec 1, 2049

Interest

Rate Type	Adjustable Rate
Rate	5.87%

March 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SONOMA CA
Recording Date	Mar 4, 2019
Property Address	453 PATTEN ST, SONOMA, CA 95476-6733
Document Number	0000015586
Instrument Date	Feb 25, 2019
Instrument	15586
Transaction Type	Transfer
Record Updated	Mar 22, 2019

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	19130 APPLE VALLEY RD SONOMA CA 95476, SONOMA, CA 95476

March 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SONOMA CA
Recording Date	Mar 4, 2019
Property Address	453 PATTEN ST, SONOMA, CA 95476-6733
Document Number	0000015587
Instrument Date	Jan 28, 2019
Instrument	15587
Transaction Type	Transfer
Record Updated	Mar 22, 2019

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	19130 APPLE VALLEY RD SONOMA CA 95476, SONOMA, CA 95476

January 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Jan 22, 2018
Property Address	453 PATTEN ST, SONOMA, CA 95476-6733
Document Number	0000004480
Instrument Date	Jan 5, 2018
Instrument	4480
Transaction Type	Transfer
Record Updated	Feb 8, 2018
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$1,155.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	2371 COMMONWEALTH PARK S BEXLEY OH 432091423, BEXLEY, OH 43209-1423

Mortgage

Document Number	4481
Date	Jan 22, 2018
Instrument	4481

Lender

Name	ACM INVTR SVCS
Type	MERS
Address	LARKSPUR, CA 94939

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded

Tax Assessment & Valuation

Source: Sonoma County assessment roll, as of April 13, 2026

Property Jurisdictions

Type	Name
State	California
County	Sonoma County
Municipality	Sonoma City
Unified School District	Sonoma Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2025	$34,475.00 (+2.96%)	$2,929,818 (+4.04%) Land $995,598 Building $1,934,220
2023	$33,484.00 (+78.27%)	$2,816,052 Land $956,939 Building $1,859,113
2022	$18,783.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective February 15, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	3 in force
Nearby Flood Claims	1 (1998)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Jan 1998 · rainfall accumulation

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 80% of the US · lower than 88% of California
Wildfire Likelihood	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	CITY OF SONOMA serves 10,619 people · EPA ID CA4910012
Water Source	Groundwater
Last State Inspection	Jul 2024
Lead	Under 1 ppb (2021–2023) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 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 540 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: T-Mobile.

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