660 Gregory Cir, Sonoma, CA 95476 Property Records

Sonoma County property record for 660 Gregory Cir, Sonoma, CA 95476

Property Summary

Property Type	Planned Unit Development
Details	3 bd · 2.5 ba · 1,734 sqft · built 1988
Lot Size	0.085 acres (3,710 sqft)
Owner	Individual Name on File
Last Sale	$177,500 (Jun 1989)
Tax Bill	$8,226 (2025)
Deeds & Mortgages	Feb 2023 Transfer
Flood Zone	Zone X (minimal risk)
APN	`018-750-006-000`

Property Details

APN / Parcel Number

Primary APN	`018-750-006-000`
Alternative APN	`018-750-006`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	3 Rooms
Stories	2 Stories
Building Area	1,734 sqft Living Area
Gross Area	2,189 sqft
1st Floor Area	866 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1988
Effective Year Built	Effective 1989
Construction Type	Wood
Lot Area	3,710 sqft (0.085 acres)
Garage Type	Attached
Garage Area	455 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	HVAC

Location & Zoning

Old Parcel Number	018-750-006
Street Address	660 GREGORY CIR
City	SONOMA
State	CA
Zip	95476-6461
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Planned Unit Development
Local Zoning Code	R3
Legal Description	SONOMA CREEK SUB LOT 6
Legal Subdivision	SONOMA CREEK SUB
Legal Block	3
Legal Lot Number	6
Jurisdiction	SONOMA CA
Township / Civil Division	SONOMA
Census Block Group	3
Census Block	3003
Census Tract	150203

Owner

Source: Sonoma County records · APN 018-750-006-000

Assessment roll updated April 13, 2026 · Last verified August 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 File
Mailing Address	430 HEMLOCK AVE, SOUTH SAN FRANCISCO, CA 94080-1603
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jun 16, 1989 · Amount on Record
Deed Sale	Jun 16, 1989 · Amount on Record
Deed Document Number	198954898
Last Transfer Date	Jul 26, 2003
Transfer Doc	0000015406
Record Updated	Sep 20, 2026

February 2023: Affidavit of Death of Joint Tenant, Transfer

Document Type	Affidavit of Death of Joint Tenant
Jurisdiction	SONOMA CA
Recording Date	Feb 23, 2023
Property Address	660 GREGORY CIR, SONOMA, CA 95476-6461
Document Number	0000007484
Map Reference	MB 418 PG 9-14
Instrument Date	Feb 23, 2023
Instrument	2023007484
Transaction Type	Transfer
Record Updated	Mar 10, 2023

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	430 HEMLOCK AVE, SOUTH SAN FRANCISCO, CA 94080-1603

Tax Assessment & Valuation

Source: Sonoma County records · Assessment roll updated April 13, 2026 · Last verified August 2026

Property Jurisdictions

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

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value
2025	$8,226.00 (+7.21%)	$584,823 (+83.2%) Land $225,354 Building $359,469
2023	$7,673.00 (+56.15%) Homeowner's exemption	$319,229 Land $108,208 Building $211,021
2022	$4,914.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of February 15, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

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
Nearby Flood Policies	6 in force
Nearby Flood Claims	1 (1998)
Most Recent Claim	Feb 1998 · Severe Winter Storms And Flooding

Wildfire

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 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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
T-Mobile USA Fixed Wireless	100 / 20
AT&T DSL · Fiber in parts of the area	100 / 20

Based on FCC filings for 585 locations within half a mile of this property.

Cell Coverage

5G (outdoors only) and 4G LTE

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CITY OF SONOMA serves 10,619 people
Water Source	Groundwater
Last State Inspection	Jul 2024
Lead	Under 1 ppb (2021–2023) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.