18305 Comstock Ave, Sonoma, CA 95476 Property Records

Sonoma County property record for 18305 Comstock Ave, Sonoma, CA 95476

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,388 sqft · built 1951
Lot Size	0.109 acres (4,753 sqft)
Owner	Individual Name on Record
Last Sale	$380,000 (Dec 2014)
Tax Bill	$7,049 (2025)
Deeds & Mortgages	Dec 2020 Transfer
Flood Zone	Zone X (minimal risk)
APN	`052-232-016-000`

Property Details

APN / Parcel Number

Primary APN	`052-232-016-000`
Alternative APN	`052-232-016`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	2 Rooms
Stories	1 Story
Building Area	1,388 sqft Living Area
1st Floor Area	1,388 sqft

Exterior

Year Built	Built 1951
Effective Year Built	Effective 1980
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	4,753 sqft (0.109 acres)
Garage Area	460 sqft

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Central

Location & Zoning

Old Parcel Number	052-232-016
Street Address	18305 COMSTOCK AVE
City	SONOMA
State	CA
Zip	95476-4281
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R15UA
Legal Description	1970 FORM52-232-04PTN TO 17 BY OR2444-229
Legal Subdivision	EATON PARK SUB SONOMA VISTA TRACT
Legal Block	2
Jurisdiction	SONOMA CA
Township / Civil Division	SONOMA
Census Block Group	2
Census Block	2002
Census Tract	150304

Owner

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

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	17885 RAILROAD AVE, SONOMA, CA 95476-3734
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 17, 2014 · Amount on Record
Deed Sale	Dec 17, 2014 · Amount on Record
Prior Sale	Apr 4, 2000 · Amount on Record
Deed Document Number	201490068
Last Transfer Date	Dec 15, 2020
Transfer Doc	0000121455
Record Updated	Oct 29, 2026

December 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SONOMA CA
Recording Date	Dec 18, 2020
Property Address	18305 COMSTOCK AVE, SONOMA, CA 95476-4281
Document Number	0000121455
Instrument Date	Dec 15, 2020
Instrument	2020121455
Transaction Type	Transfer
Record Updated	Aug 19, 2021

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
Address	18305 COMSTOCK AVE, SONOMA, CA 95476-4281

Tax Assessment & Valuation

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		$465,827 (+2%) Land $196,136 Building $269,691
2025	$7,049.00 (+7.32%)	$456,694 (+4.04%) Land $192,291 Building $264,403
2023	$6,568.00 (+5%) Homeowner's exemption	$438,962 Land $184,825 Building $254,137
2022	$6,255.00

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 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

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