18366 Riverside Dr is a 816 square foot house on a 8,900 square foot lot with 1 bedroom and 1 bathroom. Based on Redfin's Sonoma data, we estimate the home's value is $569,438.
Single-familyProperty Type
1949Year Built
8,900 sq ftLot Size
$698Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$569,438
$7,000 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 14.6% lower than the average sale price ($667K) 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
$2,020 (+4.1%)
$22,253 + $17,588
$39,841
2024
$1,941 (−0.8%)
$21,817 + $17,244
$39,061
2023
$1,955 (+9.5%)
$21,390 + $16,906
$38,296
2022
$1,785 (−5.6%)
$20,971 + $16,575
$37,546
2021
$1,891 (+1.6%)
$20,560 + $16,250
$36,810
2020
$1,861 (+9.0%)
$20,157 + $15,932
$36,089
2019
$1,707 (+4.8%)
$19,951 + $15,769
$35,720
2018
$1,629 (−14.6%)
$19,560 + $15,460
$35,020
2017
$1,908 (+14.0%)
$18,801 + $14,860
$33,661
2016
$1,674 (−0.4%)
$18,433 + $14,569
$33,002
2015
$1,681 (−0.4%)
$18,433 + $14,569
$33,002
2014
$1,688 (−3.5%)
$17,802 + $14,070
$31,872
2013
$1,750 (+0.9%)
$17,802 + $14,070
$31,872
2012
$1,734 (+31.9%)
$17,722 + $14,007
$31,729
2011
$1,314 (+3.2%)
$17,375 + $13,733
$31,108
2010
$1,274 (+3.4%)
$17,035 + $13,464
$30,499
2009
$1,232 (+3.9%)
$16,908 + $13,364
$30,272
2007
$1,186
$16,617 + $13,134
$29,751
Tax history for 18366 Riverside Dr
Year
Property tax
Land + Additions
Assessment*
2025
$2,020 (+4.1%)
$22,253 + $17,588
$39,841
2024
$1,941 (−0.8%)
$21,817 + $17,244
$39,061
2023
$1,955 (+9.5%)
$21,390 + $16,906
$38,296
2022
$1,785 (−5.6%)
$20,971 + $16,575
$37,546
2021
$1,891 (+1.6%)
$20,560 + $16,250
$36,810
2020
$1,861 (+9.0%)
$20,157 + $15,932
$36,089
2019
$1,707 (+4.8%)
$19,951 + $15,769
$35,720
2018
$1,629 (−14.6%)
$19,560 + $15,460
$35,020
2017
$1,908 (+14.0%)
$18,801 + $14,860
$33,661
2016
$1,674 (−0.4%)
$18,433 + $14,569
$33,002
2015
$1,681 (−0.4%)
$18,433 + $14,569
$33,002
2014
$1,688 (−3.5%)
$17,802 + $14,070
$31,872
2013
$1,750 (+0.9%)
$17,802 + $14,070
$31,872
2012
$1,734 (+31.9%)
$17,722 + $14,007
$31,729
2011
$1,314 (+3.2%)
$17,375 + $13,733
$31,108
2010
$1,274 (+3.4%)
$17,035 + $13,464
$30,499
2009
$1,232 (+3.9%)
$16,908 + $13,364
$30,272
2007
$1,186
$16,617 + $13,134
$29,751
*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
Remodel
Roofing
Jun 11, 2016 • Final
Building history record
Work on electrical systems.
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: 1
Room Information
# of Rooms: 2
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Fair
Property Information
Subdivision Name: EATON PARK
Living Sq. Ft: 816
Ground Floor Sq. Ft: 816
Building Sq. Ft: 816
# of Stories: 1
Legal Description: MAP D6 168
Lot Information
# of Buildings: 1
Land Sq. Ft: 8,900
Legal Lot Number: 3
Legal Block Number: 13
Acres: 0.2043
Zoning Code: R15UA
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 1
Baths: 1.0
Sq. Ft.: 816
Stories: 1.0
Lot Size: 8,900 square feet
Style: Single Family Residential
Year Built: 1949
Year Renovated: 1950
County: Sonoma County
APN: 052232013000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
El Verano Elementary School
Public K-5 • Assigned • 0.3mi
4/10
Altimira Middle School
Public 6-8 • Assigned • 0.6mi
2/10
Sonoma Valley High School
Public 9-12 • Assigned • 2.5mi
7/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
9/10 Flood Factor
Estimated 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
4/10 Heat Factor
7 days above 96° 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
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)
62
40
64
42
72
46
70
47
78
51
83
54
85
55
89
55
84
58
80
51
65
46
59
43
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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
$541,000 – $655,000
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