4171 Sonoma Mountain Rd is a 2,104 square foot house on a 0.6 acre lot with 4 bedrooms and 3 bathrooms. Based on Redfin's Santa Rosa data, we estimate the home's value is $953,442.
Single-familyProperty Type
1965Year Built
0.6 acresLot Size
$453Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$953,442
$15K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 15.4% higher than the average sale price ($826K) 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
$1,364 (+2.0%)
$16,156 + $88,561
$104,717
2024
$1,338 (+2.0%)
$15,840 + $86,825
$102,665
2023
$1,312 (+4.6%)
$15,530 + $85,123
$100,653
2022
$1,254 (+2.2%)
$15,226 + $83,454
$98,680
2021
$1,227 (+0.7%)
$14,928 + $81,818
$96,746
2020
$1,219 (+2.7%)
$14,636 + $80,214
$94,850
2019
$1,186 (+2.0%)
$14,486 + $79,392
$93,878
2018
$1,163 (+2.1%)
$14,202 + $77,836
$92,038
2017
$1,139 (+1.9%)
$13,651 + $74,814
$88,465
2016
$1,118 (+2.9%)
$13,384 + $73,348
$86,732
2015
$1,087 (+3.3%)
$13,384 + $73,348
$86,732
2014
$1,052 (+0.6%)
$12,925 + $70,832
$83,757
2013
$1,046 (+1.8%)
$12,925 + $70,832
$83,757
2012
$1,028 (+3.1%)
$12,867 + $70,512
$83,379
2011
$997 (+5.2%)
$12,615 + $69,130
$81,745
2010
$947 (−1.6%)
$12,368 + $67,775
$80,143
2009
$962 (+1.8%)
$12,276 + $67,269
$79,545
2007
$945
$12,065 + $66,107
$78,172
Tax history for 4171 Sonoma Mountain Rd
Year
Property tax
Land + Additions
Assessment*
2025
$1,364 (+2.0%)
$16,156 + $88,561
$104,717
2024
$1,338 (+2.0%)
$15,840 + $86,825
$102,665
2023
$1,312 (+4.6%)
$15,530 + $85,123
$100,653
2022
$1,254 (+2.2%)
$15,226 + $83,454
$98,680
2021
$1,227 (+0.7%)
$14,928 + $81,818
$96,746
2020
$1,219 (+2.7%)
$14,636 + $80,214
$94,850
2019
$1,186 (+2.0%)
$14,486 + $79,392
$93,878
2018
$1,163 (+2.1%)
$14,202 + $77,836
$92,038
2017
$1,139 (+1.9%)
$13,651 + $74,814
$88,465
2016
$1,118 (+2.9%)
$13,384 + $73,348
$86,732
2015
$1,087 (+3.3%)
$13,384 + $73,348
$86,732
2014
$1,052 (+0.6%)
$12,925 + $70,832
$83,757
2013
$1,046 (+1.8%)
$12,925 + $70,832
$83,757
2012
$1,028 (+3.1%)
$12,867 + $70,512
$83,379
2011
$997 (+5.2%)
$12,615 + $69,130
$81,745
2010
$947 (−1.6%)
$12,368 + $67,775
$80,143
2009
$962 (+1.8%)
$12,276 + $67,269
$79,545
2007
$945
$12,065 + $66,107
$78,172
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Mar 13, 2021 • Final
Building permit no plan check
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
Bathroom Information
# of Full Baths: 3
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 8
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Good
Pool Information
Has Pool
Property Information
Living Sq. Ft: 2,104
Ground Floor Sq. Ft: 2,104
Building Sq. Ft: 2,632
# of Stories: 1
Legal Description: MAP C4 155
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 528
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 26,136
Acres: 0.6
Zoning Code: DA10/5
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,104
Stories: 1.0
Lot Size: 0.6 acres
Style: Single Family Residential
Year Built: 1965
Year Renovated: 1968
County: Sonoma County
APN: 049080018000
Home facts updated by county records on Oct 28, 2026
Around this home
Schools
K - 12
Preschool & daycare
Strawberry Elementary School
Public 4-6 • Assigned • 3.4mi
6/10
Montgomery High School
Public 9-12 • Assigned • 4.4mi
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
82
55
86
55
82
57
74
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
$906,000 – $1.10M
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