4225 Highway 12 is a 19,200 square foot multi-family home on a 1.16 acre lot with 40 bedrooms and 30 bathrooms. - it last sold on July 27, 2022 for $6,300,000.
Multi-familyProperty Type
1986Year Built
1.16 acresLot Size
$328Price/Sq.Ft.
Source:Public Records
Redfin Estimate
There isn’t enough information to generate an accurate estimate at this time. Learn More
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
R-3-18
Multi-Family Residential District - 18 du per acre
The R-3 zoning districts are applied to areas of the City appropriate for residential neighborhoods with medium and higher residential densities, to provide home rental and ownership opportunities, and to provide a full range of choices in housing types to improve access to affordable housing. The maximum allowable density ranges from 8 to 30 dwellings per acre, with the specific allowable density for each parcel shown on the zoning map by a numerical suffix to the R-3 map symbol see Section 20-22.040. Densities of more than 30 dwellings per acre may be allowed within the Mixed Use land use designation of the General Plan; The R-3 zoning districts implement and are consistent with the Residential Medium Density and Medium High Density land use classifications of the General Plan.
Permitted uses
Include but are not limited to:
Agriculture-Other
Day care facility
Healthcare-Other
Housing-Group
Housing-Multiple units
Housing-Student
Housing-Other
Infrastructure-Other
Housing-Mobile home park
Nov 12, 2025 • Active
Residential electrical
Update the existing electrical service panel for a multi-unit building.
Electrical
Oct 21, 2025 • Active
Residential electrical
Update the main electrical service panel for a multi-unit building.
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
Interior
Bathroom Information
# of Full Baths: 20
# of 1/2 Baths: 20
Room Information
# of Rooms: 40
Exterior
Property Information
Living Sq. Ft: 19,200
Building Sq. Ft: 19,200
# of Stories: 2
Legal Description: REMAP FROM 032-130-010-000 - 08/11/98
Lot Information
# of Buildings: 1
Land Sq. Ft: 50,530
Legal Lot Number: 2
Acres: 1.16
Zoning Code: CITYSR
County Use Description: 11-20 APT UNIT-2 BLD
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 40
Baths: 30.0
Sq. Ft.: 19,200
Stories: 2.0
Lot Size: 1.16 acres
Style: Multi-Family (5+ Unit)
Year Built: 1986
Year Renovated: 1986
County: Sonoma County
APN: 182450006000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Whited Elementary Charter School
Charter K-6 • Assigned • 1.0mi
6/10
Rincon Valley Middle School
Public 7-8 • Assigned • 1.7mi
5/10
Maria Carrillo High School
Public 9-12 • Assigned • 1.8mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
8/10 Flood Factor
Estimated 80%+ chance 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)
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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.