9999 Green Valley Rd is a 2,892 square foot house on a 11.81 acre lot with 4 bedrooms and 3.5 bathrooms. Based on Redfin's Sebastopol data, we estimate the home's value is $1,666,973.
Single-familyProperty Type
1980Year Built
11.81 acresLot Size
$576Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,666,973
$14K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 7.2% lower than the average sale price ($1.80M) 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
$6,396 (+1.3%)
$187,796 + $349,314
$537,110
2024
$6,314 (+1.6%)
$184,114 + $342,465
$526,579
2023
$6,212 (+1.7%)
$180,504 + $335,750
$516,254
2022
$6,110 (+1.4%)
$176,965 + $329,167
$506,132
2021
$6,027 (+3.4%)
$173,496 + $322,713
$496,209
2020
$5,829 (+9.0%)
$170,095 + $316,386
$486,481
2019
$5,349 (+4.0%)
$148,583 + $313,142
$461,725
2018
$5,141 (+4.4%)
$145,670 + $307,002
$452,672
2017
$4,923 (+3.5%)
$140,014 + $295,082
$435,096
2015
$4,756 (+4.6%)
$137,269 + $289,297
$426,566
2014
$4,546 (+0.3%)
$132,560 + $279,371
$411,931
2013
$4,532 (+2.2%)
$132,560 + $279,371
$411,931
2012
$4,432 (+2.0%)
$131,961 + $278,109
$410,070
2011
$4,345 (+1.1%)
$129,374 + $272,656
$402,030
2010
$4,298 (−1.0%)
$126,838 + $267,310
$394,148
2009
$4,342 (+1.8%)
$125,891 + $265,313
$391,204
2007
$4,264
$123,717 + $260,730
$384,447
Tax history for 9999 Green Valley Rd
Year
Property tax
Land + Additions
Assessment*
2025
$6,396 (+1.3%)
$187,796 + $349,314
$537,110
2024
$6,314 (+1.6%)
$184,114 + $342,465
$526,579
2023
$6,212 (+1.7%)
$180,504 + $335,750
$516,254
2022
$6,110 (+1.4%)
$176,965 + $329,167
$506,132
2021
$6,027 (+3.4%)
$173,496 + $322,713
$496,209
2020
$5,829 (+9.0%)
$170,095 + $316,386
$486,481
2019
$5,349 (+4.0%)
$148,583 + $313,142
$461,725
2018
$5,141 (+4.4%)
$145,670 + $307,002
$452,672
2017
$4,923 (+3.5%)
$140,014 + $295,082
$435,096
2015
$4,756 (+4.6%)
$137,269 + $289,297
$426,566
2014
$4,546 (+0.3%)
$132,560 + $279,371
$411,931
2013
$4,532 (+2.2%)
$132,560 + $279,371
$411,931
2012
$4,432 (+2.0%)
$131,961 + $278,109
$410,070
2011
$4,345 (+1.1%)
$129,374 + $272,656
$402,030
2010
$4,298 (−1.0%)
$126,838 + $267,310
$394,148
2009
$4,342 (+1.8%)
$125,891 + $265,313
$391,204
2007
$4,264
$123,717 + $260,730
$384,447
*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
Roofing
Jun 11, 2016 • Final
Building permit no plan check
Install a pole-mounted power supply on a utility pole.
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: 3
# of 1/2 Baths: 1
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 11
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Good
Property Information
Subdivision Name: SULLIVAN RANCH
Living Sq. Ft: 2,892
Building Sq. Ft: 5,415
# of Stories: 2
Legal Description: 85 FM 104-060-22 CW PT 19 & PT 20 OR 84034425
Lot Information
# of Buildings: 1
Land Sq. Ft: 514,444
Legal Lot Number: 1
Acres: 11.81
Zoning Code: DA20
County Use Description: RURAL RESID-2+ RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.5
Sq. Ft.: 2,892
Stories: 2.0
Lot Size: 11.81 acres
Style: Single Family Residential
Year Built: 1980
Year Renovated: 1980
County: Sonoma County
APN: 104060042000
Home facts updated by county records on Oct 28, 2026
Around this home
Schools
K - 12
Preschool & daycare
Oak Grove Elementary School
Public K • Assigned • 1.4mi
Oak Grove Elementary/Willowside Middle School
Charter 1-8 • Assigned • 4.4mi
6/10
Analy High School
Public 9-12 • Assigned • 4.0mi
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
0.15% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 91° expected this year, 17 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
77
52
82
53
79
55
71
51
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
$1.58M – $1.92M
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