531 E Washington Street, Petaluma, CA 94952, Petaluma, 94952 - 2 bed, 1 bath
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531 E Washington Street
Petaluma, CA 94952
ACTIVE
CONDITION: EXCELLENT
2Beds
1Baths
1,386Sq Ft
5,859Lot Size
Property Price
LIST PRICE$775,000
EST. MARKET VALUE
$754,956
SUMMARY
Live here, work here, or both. Prime Midtown Petaluma location featuring a well maintained and beautifully restored Queen Anne cottage set up as professional office space but can be transformed back to a single-family residence, plus a detached residential studio ADU in back. Each unit has its own PG&E meter, and both were upgraded with new electrical panels in 2025. Other features include central HVAC, upgraded dual-pane windows, newer sewer lateral, off-street parking, beautiful landscaping, and more. MU1A zoning 2 blocks (less than .3 miles) from SMART Train Station allows a wide range of permitted uses and a myriad of opportunities if you want to run a home-based business.
Estimated Market Value
$754,956
Based on Realkey algorithm analyzing recent comparable sales in Petaluma.
Comparable Sales Map
Comparables within 1 miles sold in recently
Map unavailable.
| Address | Sold Price | Beds | Baths | Sq Ft | $/Sqft | Distance |
|---|---|---|---|---|---|---|
★ 531 E Washington Street Subject 2 bd · 1 ba · 1,386 sqft · $545 | $775,000* List Price | 2 | 1 | 1,386 | $545 | - |
A 65 Arlington Drive Sold 3 bd · 2 ba · 1,562 sqft · $455 · 0.6 mi | $710,000 | 3 | 2 | 1,562 | $455 | 0.6 mi |
B 28 West Street Sold 3 bd · 2 ba · 1,682 sqft · $553 · 0.6 mi | $930,000 | 3 | 2 | 1,682 | $553 | 0.6 mi |
C 7 Pidgeon Court Sold 3 bd · 2 ba · 1,144 sqft · $634 · 0.6 mi | $725,000 | 3 | 2 | 1,144 | $634 | 0.6 mi |
D 411 Cherry Street Sold 4 bd · 3 ba · 1,736 sqft · $521 · 0.8 mi | $905,000 | 4 | 3 | 1,736 | $521 | 0.8 mi |
* Subject property listed price vs sold prices of comps.
Condition Analysis
See Full ReportOVERALL CONDITION SCORE
Excellent
TeardownExcellent
Property is new construction or fully renovated.
This 1901 Queen Anne cottage has been beautifully restored and extensively renovated with major system upgrades completed in 2025, including new electrical panels, central HVAC, dual-pane windows, and a newer sewer lateral. The property is in move-in-ready condition with high-quality finishes, modern infrastructure, and a detached residential ADU, meeting the criteria for a recently fully renovated home with no deferred maintenance.
PROSSTRENGTHS & OPPORTUNITIES
- Versatile Mixed-Use Potential
The MU1A zoning and current office configuration offer a rare opportunity for live/work arrangements or professional business use in a prime Midtown location near the SMART Train Station.
- Modernized Infrastructure
Despite its historic 1901 charm, the property is equipped with significant modern upgrades including central HVAC, new 2025 electrical panels, dual-pane windows, and a newer sewer lateral.
- Additional Income Stream
The property includes a detached residential studio ADU with its own PG&E meter, providing an immediate opportunity for rental income or a private guest suite.
CONSRISKS & DEFICIENCIES
- MLS Listing Discrepancy
Living area discrepancy between mls listing and other public or private record. mls listing living area = 1386, other record living area = 1062.
- Recently Sold Property
The property was recently sold within the past year on 2026-01-02. The sold price is $685,000.00.
- Residential Conversion Costs
Currently utilized as professional office space, the main cottage may require additional investment and remodeling to fully transition back into a traditional single-family residence.
About 531 E Washington Street
Property Details
Public Facts
- Property Type
- Single Family Residence
- Year Built
- 1901
- Lot Size
- 5,859 Sq. Ft.
Interior
- Total Bedrooms
- 2
- Total Bathrooms
- 1 (1 Full, 0 Half)
Exterior & Parking
No exterior & parking available.
Utilities & Misc
- HOA Fee
- $0 / Month
Neighborhood Insights
Sensitive Facilities
No sensitive facilities data found.
Neighborhood Comparison
| Feature | Subject | Average Home |
|---|---|---|
| Beds | 2.0 | 3.4 |
| Baths | 1.0 | 2.5 |
| Square foot | 1,386 | 1,792.34 |
| Lot Size | 5,859 | 6,300.582 |
| Price | $775.0K | $939.8K |
| Price per sq ft | $559 | $548 |
| Built year | 1901 | 1974 |
| HOA | $0 | $134 |
| Days on market | 452 | 35 |
Pricing History
Sold
Jan 2, 2026
$685,000
Public Record
Listed for Sale
Jul 29, 2025
$775,000
Initial Listing
Sold
Feb 28, 2005
$595,000
Public Record