4180 Sonoma Mountain Rd is a 2,009 square foot house on a 0.82 acre lot with 3 bedrooms and 2 bathrooms. Based on Redfin's Santa Rosa data, we estimate the home's value is $936,866.
Single-familyProperty Type
1964Year Built
0.82 acresLot Size
$466Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$936,866
$19K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 18.8% higher than the average sale price ($789K) 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
$1,456 (+1.9%)
$27,484 + $86,006
$113,490
2024
$1,429 (+1.9%)
$26,946 + $84,320
$111,266
2023
$1,401 (+4.6%)
$26,418 + $82,667
$109,085
2022
$1,340 (+2.2%)
$25,900 + $81,047
$106,947
2021
$1,312 (+0.7%)
$25,393 + $79,458
$104,851
2020
$1,303 (+2.7%)
$24,896 + $77,900
$102,796
2019
$1,268 (+1.4%)
$24,641 + $77,102
$101,743
2018
$1,250 (+2.1%)
$24,158 + $75,591
$99,749
2017
$1,224 (+4.7%)
$23,221 + $72,656
$95,877
2015
$1,169 (+3.5%)
$22,766 + $71,232
$93,998
2014
$1,130 (+0.5%)
$21,986 + $68,789
$90,775
2013
$1,124 (+1.8%)
$21,986 + $68,789
$90,775
2012
$1,104 (+3.0%)
$21,887 + $68,479
$90,366
2011
$1,072 (+5.1%)
$21,458 + $67,137
$88,595
2010
$1,019 (−1.5%)
$21,038 + $65,821
$86,859
2009
$1,035 (+1.8%)
$20,881 + $65,330
$86,211
2007
$1,016
$20,521 + $64,202
$84,723
Tax history for 4180 Sonoma Mountain Rd
Year
Property tax
Land + Additions
Assessment*
2025
$1,456 (+1.9%)
$27,484 + $86,006
$113,490
2024
$1,429 (+1.9%)
$26,946 + $84,320
$111,266
2023
$1,401 (+4.6%)
$26,418 + $82,667
$109,085
2022
$1,340 (+2.2%)
$25,900 + $81,047
$106,947
2021
$1,312 (+0.7%)
$25,393 + $79,458
$104,851
2020
$1,303 (+2.7%)
$24,896 + $77,900
$102,796
2019
$1,268 (+1.4%)
$24,641 + $77,102
$101,743
2018
$1,250 (+2.1%)
$24,158 + $75,591
$99,749
2017
$1,224 (+4.7%)
$23,221 + $72,656
$95,877
2015
$1,169 (+3.5%)
$22,766 + $71,232
$93,998
2014
$1,130 (+0.5%)
$21,986 + $68,789
$90,775
2013
$1,124 (+1.8%)
$21,986 + $68,789
$90,775
2012
$1,104 (+3.0%)
$21,887 + $68,479
$90,366
2011
$1,072 (+5.1%)
$21,458 + $67,137
$88,595
2010
$1,019 (−1.5%)
$21,038 + $65,821
$86,859
2009
$1,035 (+1.8%)
$20,881 + $65,330
$86,211
2007
$1,016
$20,521 + $64,202
$84,723
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Apr 21, 2021 • Final
Building permit no plan check
Install a new air conditioning system on the left side of the main house.
HVAC
Jan 16, 2020 • Final
Building permit with plan check
Install a backup generator and an automatic transfer switch for a single-family home.
Generator
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
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 6
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Good
Property Information
Living Sq. Ft: 2,009
Ground Floor Sq. Ft: 2,009
Building Sq. Ft: 2,585
# of Stories: 1
Legal Description: 91 FM 49-070-70 # CHG PER MD
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 576
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 35,750
Acres: 0.8207
Zoning Code: RR10
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 2,009
Stories: 1.0
Lot Size: 0.82 acres
Style: Single Family Residential
Year Built: 1964
Year Renovated: 1965
County: Sonoma County
APN: 049071001000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Strawberry Elementary School
Public 4-6 • Assigned • 3.4mi
6/10
Montgomery High School
Public 9-12 • Assigned • 4.5mi
7/10
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
4/10 Fire Factor
2% chance of being in a wildfire in next 30 years
4/10 Heat Factor
8 days above 93° expected this year, 17 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, 20 days in 30 years
Provided by First Street
Historical weather
Santa Rosa, CA • 95404
Average low and high temperatures (°F)
63
41
64
44
72
47
70
47
77
51
80
54
79
54
86
55
83
55
79
51
65
46
60
44
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.2 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.2 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$891,000 – $1.08M
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