18160 Old Monte Rio Rd is a 686 square foot house on a 6,050 square foot lot with 2 bedrooms and 1 bathroom. Based on Redfin's Guerneville data, we estimate the home's value is $359,400.
Single-familyProperty Type
1910Year Built
6,050 sq ftLot Size
$524Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$359,400
$11K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 11.9% lower than the average sale price ($408K) of 5 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
$626 (+0.6%)
$3,480 + $6,988
$10,468
2024
$622 (+0.5%)
$3,412 + $6,851
$10,263
2023
$619 (+1.2%)
$3,346 + $6,717
$10,063
2022
$612 (−1.5%)
$3,281 + $6,586
$9,867
2021
$621 (−8.3%)
$3,217 + $6,457
$9,674
2020
$677 (+5.9%)
$3,154 + $6,331
$9,485
2019
$640 (+0.9%)
$3,122 + $6,267
$9,389
2018
$634 (+0.7%)
$3,061 + $6,145
$9,206
2017
$630 (−4.6%)
$2,943 + $5,907
$8,850
2016
$660 (+0.9%)
$2,886 + $5,792
$8,678
2015
$654 (+0.3%)
$2,886 + $5,792
$8,678
2014
$652
$2,788 + $5,594
$8,382
2013
$652 (+3.9%)
$2,788 + $5,594
$8,382
2012
$627 (+0.8%)
$2,776 + $5,569
$8,345
2011
$623 (+0.1%)
$2,722 + $5,460
$8,182
2010
$622 (+19.1%)
$2,669 + $5,353
$8,022
2009
$522 (+0.3%)
$2,650 + $5,313
$7,963
2007
$520
$2,605 + $5,222
$7,827
Tax history for 18160 Old Monte Rio Rd
Year
Property tax
Land + Additions
Assessment*
2025
$626 (+0.6%)
$3,480 + $6,988
$10,468
2024
$622 (+0.5%)
$3,412 + $6,851
$10,263
2023
$619 (+1.2%)
$3,346 + $6,717
$10,063
2022
$612 (−1.5%)
$3,281 + $6,586
$9,867
2021
$621 (−8.3%)
$3,217 + $6,457
$9,674
2020
$677 (+5.9%)
$3,154 + $6,331
$9,485
2019
$640 (+0.9%)
$3,122 + $6,267
$9,389
2018
$634 (+0.7%)
$3,061 + $6,145
$9,206
2017
$630 (−4.6%)
$2,943 + $5,907
$8,850
2016
$660 (+0.9%)
$2,886 + $5,792
$8,678
2015
$654 (+0.3%)
$2,886 + $5,792
$8,678
2014
$652
$2,788 + $5,594
$8,382
2013
$652 (+3.9%)
$2,788 + $5,594
$8,382
2012
$627 (+0.8%)
$2,776 + $5,569
$8,345
2011
$623 (+0.1%)
$2,722 + $5,460
$8,182
2010
$622 (+19.1%)
$2,669 + $5,353
$8,022
2009
$522 (+0.3%)
$2,650 + $5,313
$7,963
2007
$520
$2,605 + $5,222
$7,827
*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
Replace the existing furnace in a single-family home.
HVAC
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
Basement Information
Basement Sq. Ft: 252
Bathroom Information
# of Full Baths: 1
Room Information
# of Rooms: 3
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Poor
Property Information
Subdivision Name: RUSSIAN RIVER HEIGHTS LAND CO
Living Sq. Ft: 686
Ground Floor Sq. Ft: 686
Building Sq. Ft: 686
# of Stories: 1
Parking & Garage Information
Garage/Parking Sq. Ft: 323
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,050
Legal Lot Number: 1
Legal Block Number: 31
Acres: 0.1389
Zoning Code: RR1
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 686
Stories: 1.0
Lot Size: 6,050 square feet
Style: Single Family Residential
Year Built: 1910
Year Renovated: 1935
County: Sonoma County
APN: 072240034000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Guerneville Elementary School
Charter K-8 • Assigned • 2.1mi
4/10
Analy High School
Public 9-12 • Assigned • 11.4mi
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
2/10 Heat Factor
7 days above 87° expected this year, 20 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
17 unhealthy days expected this year, 19 days in 30 years
Provided by First Street
Historical weather
Guerneville, CA • 95446
Average low and high temperatures (°F)
59
40
60
43
69
45
66
45
74
49
78
51
76
51
85
53
80
53
76
49
62
45
57
44
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 10.6 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
10.6 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$342,000 – $414,000
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