18091 Comstock Ave, Sonoma, CA 95476 Property Records

Sonoma County property record for 18091 Comstock Ave, Sonoma, CA 95476

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,398 sqft · built 1978
Lot Size	0.115 acres (5,000 sqft)
Owner	Individual Name on File
Last Sale	$850,000 (Mar 2021)
Tax Bill	$11,932 (2025)
Deeds & Mortgages	Mar 2021 Sale & Mortgage Nov 2020 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`052-193-015-000`

Property Details

APN / Parcel Number

Primary APN	`052-193-015-000`
Alternative APN	`052-193-015`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	4 Rooms
Stories	2 Stories
Building Area	1,398 sqft Living Area
Gross Area	1,818 sqft
1st Floor Area	960 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1978
Effective Year Built	Effective 2005
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	5,000 sqft (0.115 acres)
Garage Type	Attached
Garage Area	420 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	HVAC

Location & Zoning

Old Parcel Number	052-193-015
Street Address	18091 COMSTOCK AVE
City	SONOMA
State	CA
Zip	95476-4259
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R15UA
Legal Subdivision	EATON PARK SUB SONOMA VISTA TRACT
Legal Block	2
Legal Lot Number	14
Jurisdiction	SONOMA CA
Township / Civil Division	SONOMA
Census Block Group	2
Census Block	2003
Census Tract	150304

Owner

18091 Comstock Ave is owned and occupied by an individual who bought it in March 2021.

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

Owner of Record	Individual Name on File
Mailing Address	18091 COMSTOCK AVE, SONOMA, CA 95476-4259
Occupancy	Owner Occupied
Owner Type	Individual

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
Mar 12, 2021	Grant Deed, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Nov 3, 2020	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC
Apr 4, 2019	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS
Jan 23, 2018	Grant Deed, Transfer · Conventional with PMI PEOPLES HM EQUITY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 12, 2021 · Amount on File
Deed Sale	Mar 12, 2021 · Amount on File
Prior Sale	Jan 23, 2018 · Amount on File
Deed Document Number	202132311
Record Updated	Oct 29, 2026

March 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Mar 12, 2021
Property Address	18091 COMSTOCK AVE, SONOMA, CA 95476-4259
Document Number	0000032311
Map Reference	MB 28 PG 15
Instrument Date	Mar 10, 2021
Instrument	2021032311
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$935.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	18091 COMSTOCK AVE, SONOMA, CA 95476-4259

Mortgage

Document Number	0000032312
Date	Mar 12, 2021
Instrument	2021032312

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

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

November 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SONOMA CA
Property Address	18091 COMSTOCK AVE, SONOMA, CA 95476-4259
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	AMROCK INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	18091 COMSTOCK AVE, SONOMA, CA 95476-4259

Mortgage

Document Number	0000102189
Date	Nov 3, 2020
Instrument	2020102189

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

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

April 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SONOMA CA
Property Address	18091 COMSTOCK AVE, SONOMA, CA 95476-4259
Document Number	0000024083
Instrument Date	Apr 4, 2019
Transaction Type	Mortgage
Record Updated	Apr 26, 2019
Title Company	AMROCK INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	18091 COMSTOCK AVE SONOMA CA 954764259, SONOMA, CA 95476-4259

Mortgage

Document Number	0000024083
Date	Apr 11, 2019
Instrument	24083

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Apr 10, 2049

January 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Jan 23, 2018
Property Address	18091 COMSTOCK AVE, SONOMA, CA 95476-4259
Document Number	0000004876
Instrument Date	Dec 6, 2017
Instrument	4876
Transaction Type	Transfer
Record Updated	Feb 16, 2018
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$561.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	18091 COMSTOCK AVE SONOMA CA 954764259, SONOMA, CA 95476-4259

Mortgage

Document Number	4877
Date	Jan 23, 2018
Instrument	4877

Lender

Name	PEOPLES HM EQUITY
Type	Funding / Finance Company
Address	BRENTWOOD, TN 37027

Agreement

Type	Conventional with PMI
Amount	Amount on Record
Term	360 Months
Due	Jan 22, 2048

Tax Assessment & Valuation

The 2025 property tax bill for 18091 Comstock Ave was $11,932 with a homeowner's exemption.

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		$938,465 (+2%) Land $314,661 Building $623,804
2025	$11,932.00 Homeowner's exemption	$920,065 Land $308,492 Building $611,573
2023	$11,582.00 (+2.91%) Homeowner's exemption	$884,340 Land $296,514 Building $587,826
2022	$11,254.00

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

Flood

FEMA maps place 18091 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 18091 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 711 locations within half a mile, as of December 31, 2025

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

May also be available: Verizon.

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