18950 Robinson Rd is a 1,745 square foot house on a 0.5 acre lot with 5 bedrooms and 4 bathrooms. - it last sold on January 23, 2014 for $592,000. Based on Redfin's Sonoma data, we estimate the home's value is $1,205,628.
Single-familyProperty Type
1942Year Built
0.5 acresLot Size
$691Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,205,628
$614K since sold in January 2014$5,000 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 16% higher than the average sale price ($1.04M) 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
Mar 5, 2026 • Final
Building permit with plan check
Replace the roof on a residential building.
Roofing
Jun 11, 2016 • Final
Building history record
Perform an electrical upgrade.
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: 4
Room Information
# of Rooms: 12
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Subdivision Name: SONOMA GROVE FARMS
Living Sq. Ft: 1,745
Ground Floor Sq. Ft: 1,325
Building Sq. Ft: 1,745
# of Stories: 1
Parking & Garage Information
# of Parking Spaces: 2
Garage/Parking Sq. Ft: 240
Lot Information
# of Buildings: 1
Land Sq. Ft: 21,840
Legal Lot Number: 11,12
Acres: 0.5014
Zoning Code: R1B8FRZN
County Use Description: SFD W/GRANNY UNIT
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 4.0
Sq. Ft.: 1,745
Stories: 1.0
Lot Size: 0.5 acres
Style: Single Family Residential
Year Built: 1942
Year Renovated: 1975
County: Sonoma County
APN: 127094006000
Home facts updated by county records on Sep 30, 2026
Around this home
Schools
Sassarini Elementary School
Public K-5 • Assigned • 0.9mi
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
6/10 Fire Factor
10% 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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72
46
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78
51
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85
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89
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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
$1.15M – $1.39M
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