2575 Knob Hill Rd is a 1,720 square foot house on a 5.1 acre lot with 2 bedrooms and 2 bathrooms. Based on Redfin's Sonoma data, we estimate the home's value is $1,482,803.
Single-familyProperty Type
1962Year Built
5.1 acresLot Size
$862Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,482,803
$68K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 1.8% higher than the average sale price ($1.46M) 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
$9,221 (+1.8%)
$694,161 + $616,182
$1,310,343
2024
$9,056 (+1.9%)
$461,099 + $308,199
$769,298
2023
$8,885 (+1.9%)
$452,058 + $302,156
$754,214
2022
$8,716 (+2.0%)
$443,195 + $296,232
$739,427
2021
$8,549
$434,505 + $290,424
$724,929
2020
$8,548 (+2.1%)
$425,986 + $284,730
$710,716
2019
$8,373 (+6.8%)
$421,619 + $281,811
$703,430
2018
$7,838 (+1.6%)
$413,352 + $276,286
$689,638
2017
$7,717 (+29.2%)
$397,302 + $241,049
$638,351
2015
$5,973 (+1.5%)
$389,512 + $211,323
$600,835
2014
$5,887 (+0.9%)
$376,147 + $131,646
$507,793
2013
$5,833 (+1.6%)
$376,147 + $131,646
$507,793
2012
$5,741 (+2.3%)
$374,448 + $131,052
$505,500
2011
$5,611 (+0.7%)
$367,106 + $128,483
$495,589
2010
$5,571 (+0.9%)
$359,908 + $125,964
$485,872
2009
$5,523 (+2.7%)
$357,219 + $125,023
$482,242
2007
$5,380
$351,048 + $122,864
$473,912
Tax history for 2575 Knob Hill Rd
Year
Property tax
Land + Additions
Assessment*
2025
$9,221 (+1.8%)
$694,161 + $616,182
$1,310,343
2024
$9,056 (+1.9%)
$461,099 + $308,199
$769,298
2023
$8,885 (+1.9%)
$452,058 + $302,156
$754,214
2022
$8,716 (+2.0%)
$443,195 + $296,232
$739,427
2021
$8,549
$434,505 + $290,424
$724,929
2020
$8,548 (+2.1%)
$425,986 + $284,730
$710,716
2019
$8,373 (+6.8%)
$421,619 + $281,811
$703,430
2018
$7,838 (+1.6%)
$413,352 + $276,286
$689,638
2017
$7,717 (+29.2%)
$397,302 + $241,049
$638,351
2015
$5,973 (+1.5%)
$389,512 + $211,323
$600,835
2014
$5,887 (+0.9%)
$376,147 + $131,646
$507,793
2013
$5,833 (+1.6%)
$376,147 + $131,646
$507,793
2012
$5,741 (+2.3%)
$374,448 + $131,052
$505,500
2011
$5,611 (+0.7%)
$367,106 + $128,483
$495,589
2010
$5,571 (+0.9%)
$359,908 + $125,964
$485,872
2009
$5,523 (+2.7%)
$357,219 + $125,023
$482,242
2007
$5,380
$351,048 + $122,864
$473,912
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
DA B6 10
VOH
Diverse Agriculture B6 Combining District 10 Acres
DA: Enhances and protects land where soil, climate, and water conditions support farming but where small acreage intensive farming and part-time farming activities are predominant, and where farming may not be the principal occupation of the farmer; Implement the diverse agriculture land use category of the general plan and the policies of the Agricultural Resource Element.; B6: To specify residential density and/or minimum parcel or lot size for a particular parcel, lot or area.
Zone overlays
Valley Oak Habitat Combining District
Permitted uses
Include but are not limited to:
Agriculture
Equestrian facility
Greenhouse / nursery
Day care facility
Housing-Group
Housing-Single unit
Theater / performing arts facility
Agriculture-Cropland
Park & open space
Timberland
Mar 28, 2025 • Final
Solar-solarapp
Battery
Electrical
Solar
Sep 26, 2024 • Active
Building permit with plan check
Install a roof-mounted solar panel system on a single-family home. The project includes solar modules, an energy storage system, a main power unit, and a non-backup energy bank.
Battery
Electrical
Solar
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
Room Information
# of Rooms: 2
Exterior
Exterior Information
Building Style Type: U-Shape
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Subdivision Name: WECHICKA FARMS
Living Sq. Ft: 1,720
Ground Floor Sq. Ft: 1,092
Building Sq. Ft: 3,053
# of Stories: 1
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 718
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 222,156
Legal Lot Number: 5
Legal Block Number: H
Acres: 5.1
Zoning Code: DA10
County Use Description: RURAL RESID-1 RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 2.0
Sq. Ft.: 1,720
Stories: 1.0
Lot Size: 5.1 acres
Style: Single Family Residential
Year Built: 1962
Year Renovated: 1994
County: Sonoma County
APN: 135022002000
Home facts updated by county records on Oct 28, 2026
Around this home
Schools
K - 12
Preschool & daycare
Prestwood Elementary School
Public K-5 • Assigned • 2.8mi
5/10
Adele Harrison Middle School
Public 6-8 • Assigned • 2.8mi
4/10
Sonoma Valley High School
Public 9-12 • Assigned • 2.9mi
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
5/10 Heat Factor
7 days above 92° 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
16 unhealthy days expected this year, 16 days in 30 years
Provided by First Street
Historical weather
Sonoma, CA • 95476
Average low and high temperatures (°F)
62
40
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42
72
46
70
47
78
51
83
54
85
55
89
55
84
58
75
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
$1.41M – $1.71M
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