Sonoma County property record for 523 6th St, Petaluma, CA 94952
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 2 ba · 2,443 sqft · built 1895 |
| Lot Size | 0.108 acres (4,700 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,406,000 (Feb 2026) |
| Tax Bill | $12,012 (2025) |
| Deeds & Mortgages | Sep 2023 Second Mortgage Feb 2026 Sale & Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 008-261-007-000 |
| Primary APN | 008-261-007-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,443 sqft Living Area |
| Gross Area | 2,957 sqft |
| 1st Floor Area | 1,061 sqft |
| Basement Area | 1,061 sqft |
| Year Built | Built 1895 |
|---|---|
| Effective Year Built | Effective 1926 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 4,700 sqft (0.108 acres) |
| Garage Type | Attached |
| Garage Area | 514 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | None |
|---|
| Old Parcel Number | 008-261-007 |
|---|---|
| Street Address | 523 6TH ST |
| City | PETALUMA |
| State | CA |
| Zip | 94952-4917 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CITYPE |
| Legal Description | LOT 1 |
| Legal Subdivision | EASTERN EXT |
| Legal Block | 2 |
| Legal Lot Number | 1 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | PETALUMA |
| Census Block Group | 2 |
| Census Block | 2014 |
| Census Tract | 150701 |
523 6th St is owned by a company that bought it in February 2026.
Source: Sonoma County records, as of September 1, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 523 6TH ST, PETALUMA, CA 94952-4917 |
| Owner Type | Company |
| Vesting | Limited Liability Partnership |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Sep 29, 2023 | Deed of Trust, Mortgage · Stand-Alone Second Mortgage REDWOOD CU |
| Feb 3, 2026 | Grant Deed, Transfer · Commercial Mortgage MERCHANTS FUNDING AZ LLC |
| Jul 13, 2020 | Deed of Trust, Mortgage · Conventional Mortgage BETTER MORTGAGE CORPORATION |
| Dec 17, 2020 | Grant Deed, Transfer · Conventional Mortgage QUICKEN LOANS LLC |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 3, 2026 · Amount on File |
| Deed Sale | Feb 3, 2026 · Amount on File |
| Prior Sale | Dec 17, 2020 · Amount on File |
| Deed Document Number | 20265484 |
| Transfer Doc | 0000114116 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SONOMA CA |
| Property Address | 523 6TH ST, PETALUMA, CA 94952-4917 |
| Transaction Type | Mortgage |
| Record Updated | Feb 11, 2026 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Name | Verified Name |
|---|---|
| Address | 523 6TH ST, PETALUMA, CA 94952-4917 |
| Document Number | 0000045533 |
|---|---|
| Date | Sep 29, 2023 |
| Instrument | 2023045533 |
| Name | REDWOOD CU |
|---|---|
| Type | Credit Union |
| Address | SANTA ROSA, CA 95403 |
| Type | Stand-Alone Second Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Oct 1, 2038 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Feb 3, 2026 |
| Property Address | 523 6TH ST, PETALUMA, CA 94952-4917 |
| Document Number | 0000005484 |
| Map Reference | MB 3 PG 29 |
| Instrument Date | Jan 27, 2026 |
| Instrument | 2026005484 |
| Transaction Type | Transfer |
| Record Updated | Feb 11, 2026 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $4,358.60 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 523 6TH ST, PETALUMA, CA 94952-4917 |
| Document Number | 0000005485 |
|---|---|
| Date | Feb 3, 2026 |
| Instrument | 2026005485 |
| Name | MERCHANTS FUNDING AZ LLC |
|---|---|
| Type | Lending Institution |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SONOMA CA |
| Property Address | 523 6TH ST, PETALUMA, CA 94952-4917 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | TITLE365 |
| Name | Verified Name |
|---|
| Document Number | 0000056746 |
|---|---|
| Date | Jul 13, 2020 |
| Instrument | 2020056746 |
| Name | BETTER MORTGAGE CORPORATION |
|---|---|
| Type | Mortgage Company |
| Address | NEW YORK, NY 10271 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Aug 1, 2035 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Dec 17, 2020 |
| Property Address | 523 6TH ST, PETALUMA, CA 94952-4917 |
| Document Number | 0000120782 |
| Map Reference | MB 3 PG 29 |
| Instrument Date | Dec 10, 2020 |
| Instrument | 2020120782 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2021 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $2,984.75 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 523 6TH ST, PETALUMA, CA 94952-4917 |
| Document Number | 0000120783 |
|---|---|
| Date | Dec 17, 2020 |
| Instrument | 2020120783 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jan 1, 2051 |
The 2025 property tax bill for 523 6th St was $12,012.
Source: Sonoma County assessment roll, as of September 1, 2026
| 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) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,062,675 (+2%) Land $425,070 Building $637,605 | |
| 2025 | $12,012.00 | $1,041,839 Land $416,736 Building $625,103 |
| 2023 | $10,970.00 (+0.86%) | $1,001,385 Land $400,554 Building $600,831 |
| 2022 | $10,876.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 523 6th St in Zone X, an area of minimal flood risk, though there have been 13 flood claims nearby since 1980.
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 |
|
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 risk around 523 6th St is low, with a 0.01% annual chance of 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.
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 |
| 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.
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.
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