9850 Barnett Valley Rd is a 1,782 square foot house on a 5.95 acre lot with 3 bedrooms and 2.5 bathrooms. Based on Redfin's Sebastopol data, we estimate the home's value is $1,443,046.
Single-familyProperty Type
1976Year Built
5.95 acresLot Size
$810Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,443,046
$121K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.4% higher than the average sale price ($1.40M) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$3,457
$84,119 + $197,311
$281,430
2024
$3,457 (+2.6%)
$82,470 + $193,443
$275,913
2023
$3,371 (+2.1%)
$80,853 + $189,650
$270,503
2022
$3,302 (+1.6%)
$79,268 + $185,932
$265,200
2021
$3,249 (+16.2%)
$77,714 + $182,287
$260,001
2020
$2,796 (+11.0%)
$76,191 + $178,713
$254,904
2019
$2,519 (+1.6%)
$75,410 + $132,342
$207,752
2018
$2,479 (+4.3%)
$73,932 + $129,748
$203,680
2017
$2,377 (+5.3%)
$71,062 + $124,710
$195,772
2015
$2,258 (+2.0%)
$69,669 + $122,265
$191,934
2014
$2,214 (+0.1%)
$67,279 + $118,070
$185,349
2013
$2,211 (+2.5%)
$67,279 + $118,070
$185,349
2012
$2,157 (+1.3%)
$66,975 + $117,537
$184,512
2011
$2,128 (+1.9%)
$65,662 + $115,233
$180,895
2010
$2,089 (−0.6%)
$64,375 + $112,974
$177,349
2009
$2,103 (+3.9%)
$63,894 + $112,130
$176,024
2007
$2,023
$62,791 + $110,194
$172,985
Tax history for 9850 Barnett Valley Rd
Year
Property tax
Land + Additions
Assessment*
2025
$3,457
$84,119 + $197,311
$281,430
2024
$3,457 (+2.6%)
$82,470 + $193,443
$275,913
2023
$3,371 (+2.1%)
$80,853 + $189,650
$270,503
2022
$3,302 (+1.6%)
$79,268 + $185,932
$265,200
2021
$3,249 (+16.2%)
$77,714 + $182,287
$260,001
2020
$2,796 (+11.0%)
$76,191 + $178,713
$254,904
2019
$2,519 (+1.6%)
$75,410 + $132,342
$207,752
2018
$2,479 (+4.3%)
$73,932 + $129,748
$203,680
2017
$2,377 (+5.3%)
$71,062 + $124,710
$195,772
2015
$2,258 (+2.0%)
$69,669 + $122,265
$191,934
2014
$2,214 (+0.1%)
$67,279 + $118,070
$185,349
2013
$2,211 (+2.5%)
$67,279 + $118,070
$185,349
2012
$2,157 (+1.3%)
$66,975 + $117,537
$184,512
2011
$2,128 (+1.9%)
$65,662 + $115,233
$180,895
2010
$2,089 (−0.6%)
$64,375 + $112,974
$177,349
2009
$2,103 (+3.9%)
$63,894 + $112,130
$176,024
2007
$2,023
$62,791 + $110,194
$172,985
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jul 31, 2024 • Active
Building permit with plan check
Addition
Bathroom
Dec 3, 2020 • Final
Building permit with plan check
Addition
Bathroom
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: 8
Exterior
Exterior Information
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Living Sq. Ft: 1,782
Ground Floor Sq. Ft: 1,548
Building Sq. Ft: 1,782
# of Stories: 1
Parking & Garage Information
Garage/Parking Sq. Ft: 400
Lot Information
# of Buildings: 1
Land Sq. Ft: 259,182
Acres: 5.95
Zoning Code: AR10
County Use Description: RURAL RESID-1 RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.5
Sq. Ft.: 1,782
Stories: 1.0
Lot Size: 5.95 acres
Style: Single Family Residential
Year Built: 1976
Year Renovated: 1990
County: Sonoma County
APN: 073062034000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Apple Blossom School
Public K-5 • Assigned • 1.7mi
7/10
Twin Hills Charter Middle School
Charter 6-8 • Assigned • 1.9mi
9/10
Analy High School
Public 9-12 • Assigned • 3.6mi
8/10
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
0.31% chance of being in a wildfire in next 30 years
2/10 Heat Factor
7 days above 89° expected this year, 16 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
7/10 Air Factor
12 unhealthy days expected this year, 12 days in 30 years
Provided by First Street
Historical weather
Sebastopol, CA • 95472
Average low and high temperatures (°F)
61
41
62
43
69
45
66
46
73
49
76
51
74
52
82
53
79
53
76
50
63
46
57
44
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 10.8 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
10.8 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.37M – $1.66M
Reach more buyers when you sell with Redfin. Save up to $14,430 in fees.3 minutes to get started.