Consists of approximately .50-acre lot, zoned RR-20 with a General Plan designation of Very Low Residential. The property is connected to City Sewer and water, with electricity and gas provided by PG&E. The property is improved with 5 bedrooms and 2 bathrooms, consisting of approximately 2,746 sq.ft. The subject property is currently used as a sober living facility. Behind the above building, to the east, is a detached classroom building consisting of approximately 570 sq.ft. Additionally, further to the east is a third building that is a detached apartment structure of approximately 700 sq.ft. and contains an open floor plan with dedicated restroom. 429 and 423 Speers are also for sale. (See listing 322064813 and 322604821). Seller would prefer all 3 parcels sold together but may consider selling 540 Middle Rincon separately. Priced to sell As-Is.
Single-familyProperty Type
0.5 acresLot Size
$315Est. Price/Sq.Ft.
2 garage spacesParking
Listed by Nick Abbott•DRE #01357548• North Bay Property Advisors
•707-523-2700 (agent)
•nabbott@northbayprop.com (agent)
Bought with Margaret Igleheart•DRE #02132393• Artisan Sotheby's Int'l Realty
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Public record
Zoning
Permits
Beds
6
Baths
4
Stories
2
Lot width
—
Lot depth
—
Lot size
0.5 Acres
Year renovated
1969
Sq. Ft.
2,746
Year built
1940
Style
Multi-Family (2-4 Unit)
County
Sonoma County
APN
183250033000
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Aug 13, 2026.
RR-20
Rural Residential District - 20,000 sq ft
The RR zoning district is applied to areas of the City intended to accommodate residential neighborhoods with compatible agricultural uses, but where the primary uses are residential, and compatible accessory uses. The maximum allowable density ranges from 0.2 to 2 dwellings per acre, with the specific allowable density for each parcel shown on the zoning map by a numerical suffix to the RR map symbol see Section 20-22.040. The RR zoning district implements and is consistent with the Residential Very Low Density land use classification of the General Plan.
Permitted uses
Include but are not limited to:
Agriculture-Other
Healthcare-Other
Housing-Group
Housing-Single unit
Housing-Student
Housing-Other
Infrastructure-Other
Agriculture-Cropland
Agriculture-Grove / orchard / vineyard
Housing-Mobile home park
Nov 8, 2021 • Active
Residential plumbing
Replace the sewer line from the garage to the property line. All work is to be performed on private property.
Plumbing
Jun 11, 2016 • Final
Building history record
Construct a second dwelling unit on the property.
ADU
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Parking
Parking & Garage Information
Parking Total: 8
Parking Features: Other
Garage Spaces: 2
Interior
Bathroom Information
# of Bathrooms (Total): 2
# of Bathrooms (Full): 2
Bedroom Information
# of Bedrooms (Total): 5
Heating & Cooling
Cooling: Ceiling Fan(s)
Heating: Central
Interior Features
Fireplaces Total: 1
Fireplace Features: Other
Laundry Features: Hookups Only
# of Stories: 2
Room Information
Levels: Two
Main Level: Bedroom(s), Family Room, Kitchen
Upper Level: Bedroom(s)
Exterior
Exterior Features
Allows Horses: No
Pool Information
Has Private Pool: No
Has Spa: No
Property Information
ADU 2nd Unit: Yes
Property Type: Residential
Property Sub Type: Single Family Residence
Lot Information
Lot Size Square Feet: 21,780
Lot Size Acres: 0.5
Lot Size Source: Not Verified
Lot Features: Shape Regular
Utilities
Utilities Information
Utilities: Natural Gas Connected
Sewer: Sewer Connected
Location
HOA Information
Association YN: No
Community Information
Senior Community: No
Public facts
Beds: 6
Baths: 4.0
Sq. Ft.: 2,746
Stories: 2.0
Lot Size: 0.5 acres
Style: Multi-Family (2-4 Unit)
Year Built: 1940
Year Renovated: 1969
County: Sonoma County
APN: 183250033000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Binkley Elementary Charter School
Charter K-6 • Assigned • 0.4mi
8/10
Rincon Valley Middle School
Public 7-8 • Assigned • 0.7mi
5/10
Maria Carrillo High School
Public 9-12 • Assigned • 0.8mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
3/10 Fire Factor
0.31% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 93° expected this year, 15 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
10/10 Air Factor
21 unhealthy days expected this year, 21 days in 30 years
Provided by First Street
Historical weather
Santa Rosa, CA • 95409
Average low and high temperatures (°F)
61
42
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69
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46
74
50
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78
53
85
55
82
55
76
52
62
46
58
44
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
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Oct
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Sun exposure
In this area, properties receive around 11.1 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.1 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$821,000 – $994,000
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