523 4th St, Petaluma, CA 94952 Property Records

Sonoma County property record for 523 4th St, Petaluma, CA 94952

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 1,810 sqft · built 1894
Lot Size	0.115 acres (5,000 sqft)
Owner	Company Name on Record
Last Sale	$1,300,000 (Aug 2021)
Tax Bill	$15,599 (2025)
Deeds & Mortgages	Aug 2021 Sale & Mortgage Jan 2021 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`008-265-005-000`

Property Details

APN / Parcel Number

Primary APN	`008-265-005-000`
Alternative APN	`008-265-005`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	4 Rooms
Stories	2 Stories
Building Area	1,810 sqft Living Area
1st Floor Area	660 sqft

Exterior

Year Built	Built 1894
Effective Year Built	Effective 1980
Architectural Style	Custom Design
Construction Type	Wood
Lot Area	5,000 sqft (0.115 acres)
Garage Type	Detached
Garage Area	480 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	None

Location & Zoning

Old Parcel Number	008-265-005
Street Address	523 4TH ST
City	PETALUMA
State	CA
Zip	94952-5102
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	CITYPE
Legal Description	LOT 1 BLK 37 EASTERN EXT PET CITY
Legal Subdivision	EASTERN EXTENSION
Legal Block	37
Legal Lot Number	1
Jurisdiction	SONOMA CA
Township / Civil Division	PETALUMA
Census Block Group	2
Census Block	2010
Census Tract	150701

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	523 4TH ST, PETALUMA, CA 94952-5102
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Aug 13, 2021	Grant Deed, Transfer · Conventional Mortgage FIRST REPUBLIC BANK
Jan 7, 2021	Quit Claim Deed, Transfer WESTMINSTER TITLE COMPANY INC, WESTMINSTER TITLE CO INC
Jan 7, 2021	Intrafamily Transfer, Transfer · Conventional Mortgage HOME POINT FINANCIAL CORPORATION

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 13, 2021 · Amount on Record
Deed Sale	Aug 13, 2021 · Amount on Record
Prior Sale	Aug 14, 2013 · Amount on Record
Deed Document Number	202192124
Prior Transfer Date	Jan 4, 2020
Prior Transfer Doc	0000001965
Record Updated	Oct 29, 2026

August 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Aug 13, 2021
Property Address	523 4TH ST, PETALUMA, CA 94952-5102
Document Number	0000092124
Map Reference	MB 3 PG 29
Instrument Date	Aug 5, 2021
Instrument	2021092124
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$4,030.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2049 PINE ST, SAN FRANCISCO, CA 94115-2827

Mortgage

Document Number	0000092125
Date	Aug 13, 2021
Instrument	2021092125

Lender

Name	FIRST REPUBLIC BANK
Type	Bank

Agreement

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

Interest

Rate Type	Adjustable Rate
Rate	2.62%
Type Change Date	Sep 1, 2028
Change Frequency	Monthly
Min Rate At Change	2.5%
Max Rate At Change	10.9%
Index	Other
Max Rate	10.9%

January 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SONOMA CA
Recording Date	Jan 7, 2021
Property Address	523 4TH ST, PETALUMA, CA 94952-5102
Document Number	0000001967
Instrument Date	Jan 4, 2020
Instrument	1967
Transaction Type	Transfer
Record Updated	Jan 29, 2021
Title Company	WESTMINSTER TITLE COMPANY INC, WESTMINSTER TITLE CO INC

Transaction

Tax	$0.00
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	523 4TH ST PETALUMA CA 949525102, PETALUMA, CA 94952-5102

January 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SONOMA CA
Recording Date	Jan 7, 2021
Property Address	523 4TH ST, PETALUMA, CA 94952-5102
Document Number	0000001965
Map Reference	MB 3 PG 29
Instrument Date	Jan 4, 2020
Instrument	2021001965
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	WESTMINSTER TITLE COMPANY INC, WESTMINSTER TITLE CO INC

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	523 4TH ST, PETALUMA, CA 94952-5102

Mortgage

Document Number	0000001966
Date	Jan 7, 2021
Instrument	2021001966

Lender

Name	HOME POINT FINANCIAL CORPORATION
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 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		$1,407,160 (+2%) Land $562,864 Building $844,296
2025	$15,599.00 (+8.79%)	$1,379,570 (+4.04%) Land $551,828 Building $827,742
2023	$14,338.00 (+0.88%)	$1,326,000 Land $530,400 Building $795,600
2022	$14,213.00

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
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	2 in force
Nearby Flood Claims	13 (1980–1998)
Claims Outside the SFHA	4 of 13
Most Recent Claim	Feb 1998 · Severe Winter Storms And Flooding
Claims by Event	Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 4 claims

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 80% of the US · lower than 88% of California
Wildfire Likelihood	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 724 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

May also be available: Astound Broadband, T-Mobile.

Nearby Properties on 4th St

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures