18870 Robinson Rd is a 2,140 square foot house on a 6,174 square foot lot with 3 bedrooms and 2.5 bathrooms. - it last sold on October 08, 1999 for $310,000. Based on Redfin's Sonoma data, we estimate the home's value is $956,332.
Single-familyProperty Type
1986Year Built
6,174 sq ftLot Size
$447Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$956,332
$646K since sold in October 1999$59K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 7.3% higher than the average sale price ($892K) 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
Jul 9, 2019 • Final
Building permit no plan check
Re-roof the first floor of a single-family home. Apply new sheathing over existing skip sheathing using weatherproofed plywood. Re-install concrete tile and install new sun tunnels.
Roofing
Jul 24, 2018 • Final
Building permit with plan check
Install a roof-mounted photovoltaic system on a single-family home.
Electrical
Solar
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: 2
# of 1/2 Baths: 1
Fireplace Information
# of Fireplaces: 2
Has Fireplace
Room Information
# of Rooms: 6
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Good
Property Information
Living Sq. Ft: 2,140
Ground Floor Sq. Ft: 1,272
Building Sq. Ft: 2,140
# of Stories: 2
Legal Description: 81 FM 127-440-18 CW 19 SUNSHINE VALLEY #2 127-44
Parking & Garage Information
Garage/Parking Sq. Ft: 468
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,174
Legal Lot Number: 1
Legal Block Number: 553
Acres: 0.1417
Zoning Code: R1B8FRZN
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.5
Sq. Ft.: 2,140
Stories: 2.0
Lot Size: 6,174 square feet
Style: Single Family Residential
Year Built: 1986
Year Renovated: 1986
County: Sonoma County
APN: 127440029000
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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84
58
80
51
65
46
59
43
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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
$909,000 – $1.10M
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