18900 Robinson Rd is a 2,833 square foot multi-family home on a 10,807 square foot lot with 5 bedrooms and 2 bathrooms. - it last sold on March 30, 1999 for $262,500. Based on Redfin's Sonoma data, we estimate the home's value is $1,158,183.
Multi-familyProperty Type
1939Year Built
10,807 sq ftLot Size
$409Est. Price/Sq.Ft.
6 spacesParking
Source:Public Records
Redfin Estimate
$1,158,183
$896K since sold in March 1999$0 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 15.4% higher than the average sale price ($1.00M) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jun 11, 2016 • Final
Building permit no plan check
Remove the existing roofing and install a new roof using TPO and metal materials.
Roofing
Jun 11, 2016 • Final
Building permit with plan check
Addition
Remodel
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
Basement Information
Basement Sq. Ft: 1,299
Basement Finish: Partially Finished
Bathroom Information
# of Full Baths: 2
Heating & Cooling
Heating Type: Gravity
Room Information
# of Rooms: 10
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: U-Shape
Construction Type: Wood/Steel
Building Construction Quality: Average
Exterior Wall: Stucco
Property Information
Subdivision Name: SONOMA GROVE FARMS
Living Sq. Ft: 2,833
Ground Floor Sq. Ft: 1,687
Building Sq. Ft: 2,833
# of Stories: 2
Legal Description: 73 FORM 26 PT TO CO FOR ST & TO 45 BY 2646-29
Parking & Garage Information
# of Parking Spaces: 1
Garage/Parking Sq. Ft: 418
Lot Information
# of Buildings: 1
Land Sq. Ft: 10,807
Legal Lot Number: 12
Acres: 0.2481
Zoning Code: R1B8FRZN
County Use Description: DUPLEX
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 2.0
Sq. Ft.: 2,833
Stories: 2.0
Lot Size: 10,807 square feet
Style: Multi-Family (2-4 Unit)
Year Built: 1939
Year Renovated: 1948
County: Sonoma County
APN: 127094044000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Sassarini Elementary School
Public K-5 • Assigned • 1.0mi
3/10
Altimira Middle School
Public 6-8 • Assigned • 1.5mi
2/10
Sonoma Valley High School
Public 9-12 • Assigned • 1.7mi
7/10
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
4/10 Fire Factor
2% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 95° expected this year, 15 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
19 unhealthy days expected this year, 19 days in 30 years
Provided by First Street
Historical weather
Sonoma, CA • 95476
Average low and high temperatures (°F)
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89
55
84
58
80
51
65
46
59
43
Jan
Feb
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Sun exposure
In this area, properties receive around 11.3 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.3 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.10M – $1.33M
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