4255 Sonoma Mountain Rd is a 1,808 square foot house on a 3.41 acre lot with 3 bedrooms and 2 bathrooms. Based on Redfin's Santa Rosa data, we estimate the home's value is $947,316.
Single-familyProperty Type
1934Year Built
3.41 acresLot Size
$524Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$947,316
$20K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 16.7% higher than the average sale price ($812K) 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
$1,704 (+17.2%)
$30,231 + $94,025
$124,256
2024
$1,453 (+1.8%)
$29,639 + $92,182
$121,821
2023
$1,428 (+4.4%)
$29,058 + $90,375
$119,433
2022
$1,368 (+2.0%)
$28,489 + $88,603
$117,092
2021
$1,341 (+0.5%)
$27,931 + $86,866
$114,797
2020
$1,334 (−0.3%)
$27,384 + $85,163
$112,547
2019
$1,338 (−1.8%)
$27,104 + $84,290
$111,394
2018
$1,363 (+2.1%)
$26,573 + $82,638
$109,211
2017
$1,335 (+4.7%)
$25,542 + $79,430
$104,972
2015
$1,275 (+3.4%)
$25,042 + $77,873
$102,915
2014
$1,233 (+0.6%)
$24,183 + $75,202
$99,385
2013
$1,226 (+79.9%)
$24,183 + $75,202
$99,385
2012
$681 (+3.5%)
$24,074 + $74,863
$98,937
2011
$659 (+6.0%)
$23,602 + $26,729
$50,331
2010
$621 (−2.0%)
$23,140 + $26,205
$49,345
2009
$634 (+1.7%)
$22,968 + $26,010
$48,978
2007
$624
$22,572 + $25,561
$48,133
Tax history for 4255 Sonoma Mountain Rd
Year
Property tax
Land + Additions
Assessment*
2025
$1,704 (+17.2%)
$30,231 + $94,025
$124,256
2024
$1,453 (+1.8%)
$29,639 + $92,182
$121,821
2023
$1,428 (+4.4%)
$29,058 + $90,375
$119,433
2022
$1,368 (+2.0%)
$28,489 + $88,603
$117,092
2021
$1,341 (+0.5%)
$27,931 + $86,866
$114,797
2020
$1,334 (−0.3%)
$27,384 + $85,163
$112,547
2019
$1,338 (−1.8%)
$27,104 + $84,290
$111,394
2018
$1,363 (+2.1%)
$26,573 + $82,638
$109,211
2017
$1,335 (+4.7%)
$25,542 + $79,430
$104,972
2015
$1,275 (+3.4%)
$25,042 + $77,873
$102,915
2014
$1,233 (+0.6%)
$24,183 + $75,202
$99,385
2013
$1,226 (+79.9%)
$24,183 + $75,202
$99,385
2012
$681 (+3.5%)
$24,074 + $74,863
$98,937
2011
$659 (+6.0%)
$23,602 + $26,729
$50,331
2010
$621 (−2.0%)
$23,140 + $26,205
$49,345
2009
$634 (+1.7%)
$22,968 + $26,010
$48,978
2007
$624
$22,572 + $25,561
$48,133
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
RR B6 8/5 (AC/DU)/AC MIN
VOH
RC 50'
SR
Rural Residential - B6 Combining District
The RR zone preserves the rural character and amenities in areas best utilized for low-density residential development. Rural residential uses are intended to take precedence over agricultural uses. Agricultural service uses are not allowed. The adopted zoning maps shall specify the maximum permitted density, determined by gross acreage for all residential uses. Minimum front, side and rear yard requirements and the minimum parcel or lot size, if not otherwise specified, shall conform to the base district with which the B6 district is combined unless specifically approved otherwise by the planning commission.
Zone overlays
Valley Oak Habitat Combining District
Riparian Corridor Combining Zone
Scenic Resources Combining District
Permitted uses
Include but are not limited to:
Greenhouse / nursery
Livestock production
Agriculture-Other
Housing-Group
Housing-Single unit
Housing-Other
Lodging & hospitality-Other
Timberland
Property details
Interior
Bathroom Information
# of Full Baths: 2
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 5
Exterior
Exterior Information
Building Style Type: U-Shape
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Living Sq. Ft: 1,808
Ground Floor Sq. Ft: 1,286
Building Sq. Ft: 4,708
# of Stories: 1
Legal Description: 91 FM 49-070-31 # CHG PER MD
Lot Information
# of Buildings: 1
Land Sq. Ft: 148,540
Acres: 3.41
Zoning Code: RR8
County Use Description: RURAL RESID-1 RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,808
Stories: 1.0
Lot Size: 3.41 acres
Style: Single Family Residential
Year Built: 1934
Year Renovated: 1988
County: Sonoma County
APN: 049071019000
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
3/10 Flood Factor
Estimated 10-14% chance of a flood reaching the building in the next 30 years
4/10 Fire Factor
1% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 93° 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, 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
$900,000 – $1.09M
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