21123 River Rd is a 947 square foot house on a 3 acre lot with 3 bedrooms and 1 bathroom. Based on Redfin's Geyserville data, we estimate the home's value is $800,680.
Single-familyProperty Type
1969Year Built
3 acresLot Size
$845Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$800,680
$1,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 18.9% higher than the average sale price ($673K) 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
$1,078 (+1.6%)
$82,862
2024
$1,061 (+2.0%)
$81,238
2023
$1,040 (−27.8%)
$79,646
2022
$1,439 (+1.2%)
$78,085
2021
$1,422 (+4.2%)
$76,554 + $38,268
$114,822
2020
$1,364 (+1.6%)
$75,053 + $37,518
$112,571
2019
$1,343 (+1.7%)
$74,284 + $37,134
$111,418
2018
$1,321 (+1.5%)
$72,828 + $36,406
$109,234
2017
$1,301 (+6.1%)
$70,000 + $34,994
$104,994
2015
$1,226 (+1.6%)
$68,628 + $34,308
$102,936
2014
$1,207 (+0.3%)
$66,274 + $33,132
$99,406
2013
$1,203 (+1.4%)
$66,274 + $33,132
$99,406
2012
$1,186 (+1.5%)
$65,975 + $32,983
$98,958
2011
$1,168 (+0.2%)
$64,682 + $32,337
$97,019
2010
$1,165 (−0.7%)
$63,414 + $31,703
$95,117
2009
$1,174 (+1.5%)
$62,941 + $31,467
$94,408
2007
$1,156
$61,854 + $30,924
$92,778
Tax history for 21123 River Rd
Year
Property tax
Land + Additions
Assessment*
2025
$1,078 (+1.6%)
$82,862
2024
$1,061 (+2.0%)
$81,238
2023
$1,040 (−27.8%)
$79,646
2022
$1,439 (+1.2%)
$78,085
2021
$1,422 (+4.2%)
$76,554 + $38,268
$114,822
2020
$1,364 (+1.6%)
$75,053 + $37,518
$112,571
2019
$1,343 (+1.7%)
$74,284 + $37,134
$111,418
2018
$1,321 (+1.5%)
$72,828 + $36,406
$109,234
2017
$1,301 (+6.1%)
$70,000 + $34,994
$104,994
2015
$1,226 (+1.6%)
$68,628 + $34,308
$102,936
2014
$1,207 (+0.3%)
$66,274 + $33,132
$99,406
2013
$1,203 (+1.4%)
$66,274 + $33,132
$99,406
2012
$1,186 (+1.5%)
$65,975 + $32,983
$98,958
2011
$1,168 (+0.2%)
$64,682 + $32,337
$97,019
2010
$1,165 (−0.7%)
$63,414 + $31,703
$95,117
2009
$1,174 (+1.5%)
$62,941 + $31,467
$94,408
2007
$1,156
$61,854 + $30,924
$92,778
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
LIA B6 20
F1
SR
VOH
Land Intensive Agriculture - B6 Combining District 20 Acres
The LIA zone: Enhances and protects lands best suited for permanent agricultural use and capable of relatively high production per acre of land; Implement the land intensive agriculture land use category of the general plan and the policies of the agricultural resources element; B6: To specify residential density and/or minimum parcel or lot size for a particular parcel, lot or area.
Zone overlays
Floodway Combining District
Scenic Resources Combining District
Valley Oak Habitat Combining District
Permitted uses
Include but are not limited to:
Greenhouse / nursery
Livestock production
Day care facility
Housing-Group
Housing-Single unit
Housing-Other
Agriculture
Agriculture-Cropland
Park & open space
Timberland
Jul 6, 2021 • Final
Demolition
Demolish a residential building.
Demolition
Jun 11, 2016 • Final
Building history record
Work on a patio cover.
ADU
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: 1
Room Information
# of Rooms: 4
Exterior
Exterior Information
Building Style Type: Square Design
Construction Type: Wood/Steel
Building Construction Quality: Fair
Property Information
Subdivision Name: TZABACO RHO
Living Sq. Ft: 947
Ground Floor Sq. Ft: 947
Building Sq. Ft: 947
# of Stories: 1
Lot Information
# of Buildings: 1
Land Sq. Ft: 130,680
Acres: 3
Zoning Code: LIA20
County Use Description: VAC RURAL RESID
Location Information
Parcel Location Influence: River
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 1.0
Sq. Ft.: 947
Stories: 1.0
Lot Size: 3 acres
Style: Single Family Residential
Year Built: 1969
Year Renovated: —
County: Sonoma County
APN: 140230018000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Geyserville Elementary School
Public K-5 • Assigned • 1.0mi
3/10
Geyserville New Tech Academy
Public 6-12 • Assigned • 0.3mi
4/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
7/10 Flood Factor
Estimated 72-80% chance 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
5/10 Heat Factor
7 days above 97° expected this year, 16 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
20 unhealthy days expected this year, 21 days in 30 years
Provided by First Street
Historical weather
Geyserville, CA • 95441
Average low and high temperatures (°F)
57
43
56
44
64
48
63
46
72
51
78
53
78
54
85
58
80
57
72
54
58
46
55
44
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.1 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.1 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$761,000 – $921,000
Reach more buyers when you sell with Redfin. Save up to $8,007 in fees.3 minutes to get started.