18428 4th Ave, Sonoma, CA 95476 Property Records

Sonoma County property record for 18428 4th Ave, Sonoma, CA 95476

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 2,430 sqft · built 2014
Lot Size	0.149 acres (6,498 sqft)
Owner	Individual Name on File
Last Sale	$1,215,000 (May 2026)
Tax Bill	$13,530 (2025)
Deeds & Mortgages	Jul 2021 Mortgage May 2026 Sale & Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`056-471-016-000`

Property Details

APN / Parcel Number

Primary APN	`056-471-016-000`
Alternative APN	`056-471-016`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	2,430 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2014
Effective Year Built	Effective 2014
Architectural Style	Custom Design
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Composition Shingle
Lot Area	6,498 sqft (0.149 acres)
Garage Type	Detached
Garage Area	364 sqft

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Old Parcel Number	056-471-016
Street Address	18428 4TH AVE
City	SONOMA
State	CA
Zip	95476-3906
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R15UA
Legal Description	LOT 1 BLK 7 BOYES SPRINGS PRK
Legal Subdivision	BOYES SPRINGS
Legal Block	7
Legal Lot Number	1
Jurisdiction	SONOMA CA
Township / Civil Division	SONOMA
Census Block Group	1
Census Block	1020
Census Tract	150306

Owner

18428 4th Ave is owned and occupied by an individual who bought it in May 2026.

Source: Sonoma County records, as of September 1, 2026

Owner of Record	Individual Name on File
Mailing Address	18428 4TH AVE, SONOMA, CA 95476-3906
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Jul 27, 2021	Deed of Trust, Mortgage · Conventional Mortgage FREMONT BANK
May 12, 2026	Grant Deed, Transfer · Conventional Mortgage REDWOOD CREDIT UNION
Apr 22, 2021	Grant Deed, Transfer · Commercial Mortgage YOTAM NITSAN
Jul 2, 2020	Deed of Trust, Mortgage · Conventional Mortgage TECHNOLOGY CU

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 12, 2026 · Amount on File
Deed Sale	May 12, 2026 · Amount on File
Prior Sale	Apr 22, 2021 · Amount on File
Deed Document Number	202623509
Prior Transfer Date	Nov 16, 2005
Prior Transfer Doc	0000174152
Record Updated	Oct 29, 2026

July 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SONOMA CA
Property Address	18428 4TH AVE, SONOMA, CA 95476-3906
Transaction Type	Mortgage
Record Updated	May 25, 2026
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	18428 4TH AVE, SONOMA, CA 95476-3906

Mortgage

Document Number	0000085133
Date	Jul 27, 2021
Instrument	2021085133

Lender

Name	FREMONT BANK
Type	Bank
Address	LIVERMORE, CA 94551

Agreement

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

May 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	May 12, 2026
Property Address	18428 4TH AVE, SONOMA, CA 95476-3906
Document Number	0000023509
Instrument Date	May 11, 2026
Instrument	2026.23509
Transaction Type	Transfer
Record Updated	May 20, 2026
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$134,986.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	18428 4TH AVE, SONOMA, CA 95476-3906

Mortgage

Document Number	0000023510,
Date	May 12, 2026
Instrument	2026..23510

Lender

Name	REDWOOD CREDIT UNION

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jun 1, 2056

Interest

Rate Type	Fixed Rate
Rate	6.38%
Initial Type	Fixed Rate
Max Rate	-1%

Mortgage

Document Number	0000023511,
Date	May 12, 2026
Instrument	2026.23511

Lender

Name	REDWOOD CREDIT UNION

Agreement

Amount	Amount on Record
Term	25 Months
Due	May 15, 2051

Interest

Rate	6.38%
Max Rate	-1%

April 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Apr 22, 2021
Property Address	18428 4TH AVE, SONOMA, CA 95476-3906
Document Number	0000049895
Map Reference	MB 35 PG 7&8
Instrument Date	Apr 20, 2021
Instrument	2021049895
Transaction Type	Transfer
Record Updated	May 12, 2021
Title Company	FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,072.50
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	2567 GRANT AVE, RICHMOND, CA 94804-1550

Mortgage

Document Number	0000049896
Date	Apr 22, 2021
Instrument	2021049896

Lender

Name	YOTAM NITSAN
Type	Private Party

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

July 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SONOMA CA
Property Address	18428 4TH AVE, SONOMA, CA 95476-3906
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000053786
Date	Jul 2, 2020
Instrument	2020053786

Lender

Name	TECHNOLOGY CU
Type	Credit Union
Address	SAN JOSE, CA 95131

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jul 1, 2050

Interest

Rate Type	Adjustable Rate
Rate	3.12%
Type Change Date	Jul 1, 2023
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	5.12%
Index	1-Year LIBOR
Max Rate	9.12%

Tax Assessment & Valuation

The 2025 property tax bill for 18428 4th Ave was $13,530.

Source: Sonoma County assessment roll, as of September 1, 2026

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
2026		$1,076,476 (+2%) Land $331,223 Building $745,253
2025	$13,530.00	$1,055,370 Land $324,729 Building $730,641
2023	$13,298.00 (+1.46%)	$1,014,390 Land $312,120 Building $702,270
2022	$13,107.00

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

Flood

FEMA maps place 18428 4th Ave in Zone X, an area of minimal flood risk.

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

Wildfire risk around 18428 4th Ave is low, with a 0.02% annual chance of 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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