423 Walnut St, Petaluma, CA 94952 Property Records

Sonoma County property record for 423 Walnut St, Petaluma, CA 94952

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 1,868 sqft · built 1979
Lot Size	0.161 acres (7,000 sqft)
Owner	Company Name on Record
Last Sale	$877,000 (Mar 2017)
Tax Bill	$11,638 (2025)
Deeds & Mortgages	Mar 2017 Sale & Mortgage Mar 2017 Transfer
Flood Zone	Zone X (minimal risk)
APN	`006-202-027-000`

Property Details

APN / Parcel Number

Primary APN	`006-202-027-000`
Alternative APN	`006-202-027`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	3 Rooms
Stories	2 Stories
Building Area	1,868 sqft Living Area
Gross Area	2,532 sqft
1st Floor Area	998 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1979
Effective Year Built	Effective 1980
Construction Type	Wood
Lot Area	7,000 sqft (0.161 acres)
Garage Type	Attached
Garage Area	664 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	HVAC

Location & Zoning

Old Parcel Number	006-202-027
Street Address	423 WALNUT ST
City	PETALUMA
State	CA
Zip	94952-2748
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	CITYPE
Legal Subdivision	PETALUMA
Legal Block	4
Legal Lot Number	549
Jurisdiction	SONOMA CA
Township / Civil Division	PETALUMA
Census Block Group	4
Census Block	4007
Census Tract	150902

Owner

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

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

Owner of Record	Company Name on Record
Mailing Address	386 E BLITHEDALE AVE, MILL VALLEY, CA 94941-2142
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Mar 1, 2017	Grant Deed, Transfer · Conventional Mortgage PARKSIDE LNDG
Mar 1, 2017	Quit Claim Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPANY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 1, 2017 · Amount on Record
Deed Sale	Mar 1, 2017 · Amount on Record
Prior Sale	Jan 29, 1996 · Amount on Record
Deed Document Number	201716699
Prior Transfer Date	Feb 24, 2017
Prior Transfer Doc	0000016701
Record Updated	Oct 29, 2026

March 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Mar 1, 2017
Property Address	423 WALNUT ST, PETALUMA, CA 94952-2748
Document Number	0000016699
Instrument Date	Feb 24, 2017
Instrument	16699
Transaction Type	Transfer
Record Updated	Mar 15, 2017
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$964.70
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	386 E BLITHEDALE AVE MILL VALLEY CA 949412142, MILL VALLEY, CA 94941-2142

Mortgage

Document Number	16700
Date	Mar 1, 2017
Instrument	16700

Lender

Name	PARKSIDE LNDG
Address	SAN FRANCISCO, CA 94103

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Feb 28, 2047

March 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SONOMA CA
Recording Date	Mar 1, 2017
Property Address	423 WALNUT ST, PETALUMA, CA 94952-2748
Document Number	0000016701
Instrument Date	Feb 24, 2017
Instrument	16701
Transaction Type	Transfer
Record Updated	Mar 14, 2017
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPANY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	386 E BLITHEDALE AVE MILL VALLEY CA 949412142, MILL VALLEY, CA 94941-2142

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		$1,028,948 (+2%) Land $408,406 Building $620,542
2025	$11,638.00 (+9.51%)	$1,008,774 (+4.04%) Land $400,399 Building $608,375
2023	$10,627.00 (+0.86%)	$969,604 Land $384,852 Building $584,752
2022	$10,536.00

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
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Claims	1 (1982)
Most Recent Claim	Jan 1982 · Severe Storms, Flood, Mudslides & High Tide

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 99.1% of the US · lower than 99.2% of California
Wildfire Likelihood	Under 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	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 752 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, Fixed Wireless in parts of the area	100 / 20

May also be available: T-Mobile.

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