516 Williams Dr, Petaluma, CA 94954 Property Records

Sonoma County property record for 516 Williams Dr, Petaluma, CA 94954

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,045 sqft · built 1955
Lot Size	0.13 acres (5,670 sqft)
Owner	2 Individual Names on File
Last Sale	$545,000 (Jun 2018)
Tax Bill	$7,014 (2025)
Deeds & Mortgages	Sep 2020 Mortgage Jan 2020 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`007-293-010-000`

Property Details

APN / Parcel Number

Primary APN	`007-293-010-000`
Alternative APN	`007-293-010`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,045 sqft Living Area
Gross Area	1,465 sqft
1st Floor Area	1,045 sqft

Exterior

Year Built	Built 1955
Effective Year Built	Effective 1955
Architectural Style	Custom Design
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Composition Shingle
Lot Area	5,670 sqft (0.13 acres)
Garage Type	Attached
Garage Area	420 sqft
Parking Spaces	2 Parking Spaces
Porch	Porch

Utilities, Heating & Cooling

Cooling System	HVAC
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Old Parcel Number	007-293-010
Street Address	516 WILLIAMS DR
City	PETALUMA
State	CA
Zip	94954-3446
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	CITYPE
Legal Description	KENWORTH MANOR SUB LOT 51
Legal Subdivision	KENWORTH MANOR SUB
Legal Block	3
Legal Lot Number	51
Jurisdiction	SONOMA CA
Township / Civil Division	PETALUMA
Census Block Group	3
Census Block	3011
Census Tract	150603

Owner

516 Williams Dr is owned and occupied by two individuals who bought it in June 2018.

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

Owner of Record	2 Individual Names on File
Mailing Address	516 WILLIAMS DR, PETALUMA, CA 94954-3446
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
Sep 3, 2020	Deed of Trust, Mortgage · Conventional Mortgage FLAGSTAR BANK FSB
Jan 2, 2020	Deed of Trust, Mortgage · Conventional Mortgage FLAGSTAR BANK FSB
Jun 11, 2018	Grant Deed, Transfer · Conventional with PMI OPES ADVISORS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 11, 2018 · Amount on File
Deed Sale	Jun 11, 2018 · Amount on File
Prior Sale	Nov 16, 2009 · Amount on File
Deed Document Number	201841836
Prior Transfer Date	Jun 10, 2014
Prior Transfer Doc	0000041478
Record Updated	Oct 29, 2026

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SONOMA CA
Property Address	516 WILLIAMS DR, PETALUMA, CA 94954-3446
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	OLD REPUBLIC TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	516 WILLIAMS DR, PETALUMA, CA 94954-3446

Mortgage

Document Number	0000078079
Date	Sep 3, 2020
Instrument	2020078079

Lender

Name	FLAGSTAR BANK FSB
Type	Bank
Address	TROY, MI 48098

Agreement

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

January 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SONOMA CA
Property Address	516 WILLIAMS DR, PETALUMA, CA 94954-3446
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	OLD REPUBLIC TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000000144
Date	Jan 2, 2020
Instrument	2020000144

Lender

Name	FLAGSTAR BANK FSB
Type	Bank
Address	TROY, MI 48098

Agreement

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

June 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Jun 11, 2018
Property Address	516 WILLIAMS DR, PETALUMA, CA 94954-3446
Document Number	0000041836
Instrument Date	Jun 4, 2018
Instrument	41836
Transaction Type	Transfer
Record Updated	Jun 21, 2018
Title Company	OLD REPUBLIC TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$599.50
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	516 WILLIAMS DR PETALUMA CA 949543446, PETALUMA, CA 94954-3446

Mortgage

Document Number	41837
Date	Jun 11, 2018
Instrument	41837

Lender

Name	OPES ADVISORS
Address	TROY, ME 48098

Agreement

Type	Conventional with PMI
Amount	Amount on Record
Term	360 Months
Due	Jun 10, 2048

Tax Assessment & Valuation

The 2025 property tax bill for 516 Williams Dr was $7,014 with a homeowner's exemption.

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

Property Jurisdictions

Type	Name
State	California
County	Sonoma County
Municipality	Petaluma City
Elementary School District	Old Adobe Union Elementary School District (KG - 06)
Secondary School District	Petaluma Joint Union High School District (07 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$632,512 (+2%) Land $253,004 Building $379,508
2025	$7,014.00 Homeowner's exemption	$620,111 Land $248,044 Building $372,067
2023	$6,591.00 (+0.52%) Homeowner's exemption	$596,033 Land $238,413 Building $357,620
2022	$6,557.00

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

Flood

FEMA maps place 516 Williams Dr 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

The area around 516 Williams Dr has no burnable land within ember reach, so its wildfire risk is not rated.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land 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	CITY OF PETALUMA serves 61,427 people · EPA ID CA4910006
Water Source	Groundwater
Last State Inspection	Jun 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	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 788 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Sonic Telecom Fiber	10,000 / 10,000
Xfinity Cable	2,000 / 250
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: Verizon.

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