Consists of a .30 acre lot, zoned RR-40 with a General Plan Designation of Very Low Residential. The property is connected to City Sewer and serviced by an on site well. The property has 2 structures. The original ranch style 3-bedroom home of approximately 2,371 sq.ft. has since been maximized to increase the bedroom count for a Sober Living Environment program. The current configuration has 6 bedrooms and 2 bathrooms. In addition to the home, is a detached building used as a classroom with plumbing, which is estimated to be approximately 1,189 sq.ft. The property can be reconfigured into a traditional home, with detached building for potential ADU, art studio, guest cottage etc. 423 Speers MAY BE SOLD SEPARATELY FROM 429 Speers (See listing: 322064813). SIMULTANEOUS CLOSING WITH 429 SPEERS MAY BE NEEDED. Additionally 540 Middle Rincon is also for sale, see listing #: 322064785. Priced to sell As-Is.
Single-familyProperty Type
0.3 acresLot Size
$63Est. Price/Sq.Ft.
1 car garageParking
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
3
Baths
2
Stories
1
Lot width
—
Lot depth
—
Lot size
0.31 Acres
Year renovated
1958
Sq. Ft.
2,371
Year built
1958
Style
Single Family Residential
County
Sonoma County
APN
183250024000
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Oct 28, 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
Apr 2, 2024 • Final
Residential new
Construct a new single-family home with an attached garage and a porch. Fire sprinklers are required.
New construction
May 11, 2023 • Active
Residential electrical
Install a temporary power pole.
Electrical
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 Features: Other
Interior
Bathroom Information
# of Bathrooms (Total): 2
# of Bathrooms (Full): 2
Bedroom Information
# of Bedrooms (Total): 6
Heating & Cooling
Cooling: Wall Unit(s), Other
Heating: Central
Interior Features
Fireplaces Total: 1
Fireplace Features: Other
Laundry Features: Other
# of Stories: 1
Room Information
Main Level: Bedroom(s), Family Room, Full Bath(s), Garage, Kitchen
Exterior
Exterior Features
Allows Horses: No
Pool Information
Has Private Pool: No
Has Spa: No
Property Information
ADU 2nd Unit: No
Property Type: Residential
Property Sub Type: Single Family Residence
Lot Information
Lot Size Square Feet: 13,068
Lot Size Acres: 0.3
Lot Size Source: Not Verified
Lot Features: Shape Regular
Utilities
Utilities Information
Sewer: Sewer Connected
Location
HOA Information
Association YN: No
Community Information
Senior Community: No
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 2,371
Stories: 1.0
Lot Size: 0.31 acres
Style: Single Family Residential
Year Built: 1958
Year Renovated: 1958
County: Sonoma County
APN: 183250024000
Home facts updated by county records on Oct 28, 2026
Around this home
Schools
K - 12
Preschool & daycare
Binkley Elementary Charter School
Charter K-6 • Assigned • 0.3mi
8/10
Rincon Valley Middle School
Public 7-8 • Assigned • 0.7mi
5/10
Maria Carrillo High School
Public 9-12 • Assigned • 0.7mi
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
0.46% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 93° expected this year, 16 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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44
69
47
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46
74
50
78
53
81
54
85
55
81
57
71
51
62
46
58
44
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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
$800,000 – $968,000
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