18400 3rd Ave, Sonoma, CA 95476 Property Records

Sonoma County property record for 18400 3rd Ave, Sonoma, CA 95476

Property Summary

Property Type	Duplex
Details	2 bd · 1 ba · 672 sqft · built 1943
Lot Size	0.127 acres (5,555 sqft)
Owner	Individual Name on Record
Last Sale	$550,000 (Sep 2025)
Tax Bill	$9,928 (2025)
Deeds & Mortgages	Sep 2020 Mortgage Nov 2017 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`056-463-003-000`

Property Details

APN / Parcel Number

Primary APN	`056-463-003-000`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	4 Rooms
Stories	1 Story
Building Area	672 sqft Total Area
Gross Area	1,344 sqft

Exterior

Year Built	Built 1943
Effective Year Built	Effective 2008
Architectural Style	Other
Construction Type	Wood
Lot Area	5,555 sqft (0.127 acres)

Utilities, Heating & Cooling

Cooling System	None
Heating System	Floor/Wall Furnace

Location & Zoning

Old Parcel Number	056463003000
Street Address	18400 3RD AVE
City	SONOMA
State	CA
Zip	95476-3905
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Legal Description	LOT 1 BLK 8 SUB B BOYES SPRINGS PARK
Legal Subdivision	SUBDIVISION B BOYES SPRINGS PARK
Legal Block	8
Legal Lot Number	1
Jurisdiction	SONOMA CA
Township / Civil Division	SONOMA
Census Block Group	1
Census Block	1021
Census Tract	150306

Owner

Source: Sonoma County records, as of October 6, 2025

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	18-15018410 3RD AVE, SONOMA, CA 95476
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Sep 15, 2020	Deed of Trust, Mortgage · Conventional Mortgage FAIRWAY INDEPENDENT MORTGAGE CORP
Nov 2, 2017	Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BK
Nov 3, 2017	Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Sep 10, 2025 · Amount on Record
Deed Sale	Sep 10, 2025 · Amount on Record
Prior Sale	Nov 3, 2017 · Amount on Record
Deed Document Number	2025043270
Record Updated	Jun 7, 2026

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SONOMA CA
Property Address	18400 3RD AVE, SONOMA, CA 95476-3905
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIRST AMER TTL CO CONCORD

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	18400 3RD AVE, SONOMA, CA 95476-3905

Mortgage

Document Number	0000081953
Date	Sep 15, 2020
Instrument	2020081953

Lender

Name	FAIRWAY INDEPENDENT MORTGAGE CORP
Type	Mortgage Company
Address	CARROLLTON, TX 75007

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Oct 1, 2050

November 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SONOMA CA
Property Address	18400 3RD AVE, SONOMA, CA 95476-3905
Document Number	0000000420
Instrument Date	Nov 2, 2017
Transaction Type	Mortgage
Record Updated	Aug 31, 2018
Title Company	OTHER

Transaction

Additional	Multiple Parcels

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	461 2ND ST #C126 SAN FRANCISCO CA 941071493, C126, SAN FRANCISCO, CA 94107-1493

Mortgage

Document Number	0000000420
Date	Jan 2, 2018
Instrument	420

Lender

Name	WELLS FARGO BK
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jan 1, 2048

November 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Nov 3, 2017
Property Address	18400 3RD AVE, SONOMA, CA 95476-3905
Document Number	0000085208
Map Reference	MAP35 PG7&8
Instrument Date	Oct 31, 2017
Instrument	2017085208
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	461 2ND ST APT C126, C126, SAN FRANCISCO, CA 94107-1493

Mortgage

Document Number	0000085209
Date	Nov 3, 2017
Instrument	2017085209

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Dec 1, 2047

Tax Assessment & Valuation

Source: Sonoma County assessment roll, as of July 1, 2025

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2025	$9,928.00 (+6.17%)	$620,111 (+4.04%) Land $324,278 Building $295,833
2023	$9,351.00 (+2.96%)	$596,034 Land $311,687 Building $284,347
2022	$9,082.00

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

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	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.02% annual chance
Exposure	Indirect 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	VALLEY OF THE MOON WATER DISTRICT serves 23,140 people · EPA ID CA4910013
Water Source	Groundwater
Last State Inspection	Sep 2022
Lead	Under 1 ppb (2024–2026) 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 718 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
Starlink Satellite	280 / 30
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: T-Mobile.

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