12420 Mill St, Petaluma, CA 94952 Property Records

Sonoma County property record for 12420 Mill St, Petaluma, CA 94952

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,658 sqft · built 1972
Lot Size	1.46 acres (64,033 sqft)
Owner	2 Company Names on Record
Last Sale	$975,000 (Nov 2024)
Tax Bill	$10,957 (2025)
Deeds & Mortgages	Nov 2021 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`027-110-009-000`

Property Details

APN / Parcel Number

Primary APN	`027-110-009-000`
Alternative APN	`027-110-009`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,658 sqft Living Area
Gross Area	2,178 sqft
1st Floor Area	1,658 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1972
Effective Year Built	Effective 1973
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	64,033 sqft
Garage Type	Attached
Garage Area	520 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	HVAC

Location & Zoning

Old Parcel Number	027-110-009
Street Address	12420 MILL ST
City	PETALUMA
State	CA
Zip	94952-9728
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RR2
Legal Description	1970 FORM 27-110-08 & PT TO 10 BY MAP DEPT FILE
Legal Subdivision	PARCEL MAP NO 1653
Legal Block	4
Legal Lot Number	1
Jurisdiction	SONOMA CA
Township / Civil Division	SEBASTOPOL
Census Block Group	4
Census Block	4015
Census Tract	153502

Owner

Source: Sonoma County records, as of September 2, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Company Names on Record
Mailing Address	63 TAMALPAIS RD, FAIRFAX, CA 94930-1544
Owner Type	Company
Vesting	Trust, Revocable Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 22, 2024 · Amount on Record
Deed Sale	Nov 22, 2024 · Amount on Record
Prior Sale	Nov 30, 1993 · Amount on Record
Deed Document Number	202457692
Prior Transfer Date	Sep 20, 1993
Prior Transfer Doc	0000120517
Record Updated	Oct 29, 2026

November 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SONOMA CA
Property Address	12420 MILL ST, PETALUMA, CA 94952-9728
Transaction Type	Mortgage
Record Updated	Jul 25, 2022
Title Company	FIRST AMERICAN TITLE COMPANY SYNRGO, FIRST AMER TTL CO SANTA ROSA

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	12420 MILL ST, PETALUMA, CA 94952-9728

Mortgage

Document Number	0000121541
Date	Nov 8, 2021
Instrument	2021121541

Lender

Name	REDWOOD CU
Type	Credit Union
Address	SANTA ROSA, CA 95403

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	301 Months
Due	Dec 15, 2046

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

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	Shoreline Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$994,500 (+2%) Land $459,000 Building $535,500
2025	$10,957.00 (+117.49%)	$975,000 (+133.7%) Land $450,000 Building $525,000
2023	$5,038.00 (+6.62%) Homeowner's exemption	$417,198 Land $188,145 Building $229,053
2022	$4,725.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

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
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	6 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	High above 76% of the US · above 52% of California
Wildfire Likelihood	0.6% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Internet Providers

Source: FCC Broadband Data Collection, based on 27 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	1,200 / 35
Verizon Fixed Wireless	300 / 20

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Mill St

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