305 12th St, Petaluma, CA 94952 Property Records

Sonoma County property record for 305 12th St, Petaluma, CA 94952

Property Summary

Property Type	Duplex
Details	1 bd · 1 ba · 792 sqft · built 1900
Lot Size	0.138 acres (6,000 sqft)
Owner	Individual Name on File
Last Sale	$105,000 (Aug 2021)
Tax Bill	$4,158 (2025)
Deeds & Mortgages	Aug 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`008-382-032-000`

Property Details

APN / Parcel Number

Primary APN	`008-382-032-000`
Alternative APN	`008-382-032`

Interior

Bedrooms	1 Bed
Full Baths	1 Bath
Total Rooms	1 Room
Units	2 Units
Stories	1 Story
Building Area	792 sqft Living Area
1st Floor Area	792 sqft

Exterior

Year Built	Built 1900
Effective Year Built	Effective 1936
Architectural Style	Custom Design
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Composition Shingle
Lot Area	6,000 sqft (0.138 acres)
Garage Type	Detached
Porch	Porch

Utilities, Heating & Cooling

Cooling System	None
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Old Parcel Number	008-382-032
Street Address	305 12TH ST
City	PETALUMA
State	CA
Zip	94952-4105
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	CITYPE
Legal Description	87 FM 8-382-11 PT TO 33 OR 87-6956
Legal Subdivision	MAP OF SUNNY SLOPE
Legal Block	4
Legal Lot Number	14
Jurisdiction	SONOMA CA
Township / Civil Division	PETALUMA
Census Block Group	4
Census Block	4003
Census Tract	150701

Owner

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	305 12TH ST, PETALUMA, CA 94952-4105
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 17, 2021 · Amount on File
Deed Sale	Aug 17, 2021 · Amount on File
Prior Sale	Oct 7, 1994 · Amount on File
Deed Document Number	202193233
Prior Transfer Date	Aug 12, 2021
Prior Transfer Doc	0000093233
Record Updated	Oct 29, 2026

August 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Aug 17, 2021
Property Address	305 12TH ST, PETALUMA, CA 94952-4105
Document Number	0000093233
Map Reference	MB 3 PG 36
Instrument Date	Aug 12, 2021
Instrument	2021093233
Transaction Type	Transfer
Record Updated	Jul 25, 2022
Title Company	FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount on Record
Tax	$325.50
Amount Accuracy	Rounded by County

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	305 12TH ST, PETALUMA, CA 94952-4105

Mortgage

Document Number	0000093234
Date	Aug 17, 2021
Instrument	2021093234

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company

Agreement

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

Tax Assessment & Valuation

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	Petaluma City 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		$360,256 (+2%) Land $180,145 Building $180,111
2025	$4,158.00 (+10.44%) Homeowner's exemption	$353,193 (+4.04%) Land $176,613 Building $176,580
2023	$3,765.00 (-0.74%)	$339,479 Land $169,755 Building $169,724
2022	$3,793.00

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 100 ft
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	3 in force

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 62% of the US · lower than 77% of California
Wildfire Likelihood	0.06% annual chance
Exposure	Direct burnable vegetation

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 628 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
Verizon Fixed Wireless	300 / 20
AT&T DSL · Fiber in parts of the area	100 / 20