18174 Comstock Ave, Sonoma, CA 95476 Property Records

Sonoma County property record for 18174 Comstock Ave, Sonoma, CA 95476

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,100 sqft · built 1962
Lot Size	0.161 acres (7,000 sqft)
Owner	Individual Name on File
Last Sale	$145,000 (Dec 1996)
Tax Bill	$4,479 (2025)
Deeds & Mortgages	Nov 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`052-196-012-000`

Property Details

APN / Parcel Number

Primary APN	`052-196-012-000`
Alternative APN	`052-196-012`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	3 Rooms
Stories	1 Story
Building Area	1,100 sqft Living Area
1st Floor Area	1,100 sqft

Exterior

Year Built	Built 1962
Effective Year Built	Effective 1965
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	7,000 sqft (0.161 acres)
Garage Area	443 sqft

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Central

Location & Zoning

Old Parcel Number	052-196-012
Street Address	18174 COMSTOCK AVE
City	SONOMA
State	CA
Zip	95476-4218
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R15UA
Legal Description	75 FORM 52-196-02 & PT TO 13 OR 2857-046
Legal Subdivision	EATON PARK
Legal Block	2
Legal Lot Number	2,3
Jurisdiction	SONOMA CA
Township / Civil Division	SONOMA
Census Block Group	2
Census Block	2014
Census Tract	150304

Owner

18174 Comstock Ave is owned by an individual who acquired it in December 2005.

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

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

Owner of Record	Individual Name on File
Mailing Address	PO BOX 868, SONOMA, CA 95476-0868
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 6, 1996 · Amount on File
Deed Sale	Dec 6, 1996 · Amount on File
Deed Document Number	1996108702
Last Transfer Date	Dec 1, 2005
Transfer Doc	0000182348
Record Updated	Oct 29, 2026

November 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SONOMA CA
Recording Date	Nov 3, 2021
Property Address	18174 COMSTOCK AVE, SONOMA, CA 95476
Document Number	0000120306
Map Reference	MB 28 PG 15
Instrument Date	Oct 27, 2021
Instrument	2021120306
Transaction Type	Transfer
Record Updated	Nov 19, 2021
Title Company	CALIFORNIA MEMBERS TITLE CO

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	PO BOX 868, SONOMA, CA 95476-0868

Mortgage

Document Number	0000120307
Date	Nov 3, 2021
Instrument	2021120307

Lender

Name	CHURCHILL MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Nov 1, 2051

Tax Assessment & Valuation

The 2025 property tax bill for 18174 Comstock Ave was $4,479.

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		$241,214 (+2%) Land $99,808 Building $141,406
2025	$4,479.00	$236,485 Land $97,851 Building $138,634
2023	$4,307.00 (+1.99%)	$227,303 Land $94,052 Building $133,251
2022	$4,223.00

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

Flood

FEMA maps place 18174 Comstock Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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 minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	8 in force
Nearby Flood Claims	2 (2005–2017)
Most Recent Claim	Feb 2017 · Severe Winter Storms, Flooding, And Mudslides

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

Wildfire risk around 18174 Comstock Ave is low, with a 0.01% 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	0.01% 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	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 625 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
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber in parts of the area	100 / 20