9940 Herb Rd is a 1,406 square foot house on a 0.37 acre lot with 4 bedrooms and 2 bathrooms. Based on Redfin's Windsor data, we estimate the home's value is $735,636.
Single-familyProperty Type
1976Year Built
0.37 acresLot Size
$523Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$735,636
$5,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 6.2% lower than the average sale price ($784K) 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
$1,811 (+2.1%)
$28,828 + $105,407
$134,235
2024
$1,774 (+1.9%)
$28,263 + $103,341
$131,604
2023
$1,742 (+1.8%)
$27,709 + $101,315
$129,024
2022
$1,711 (+1.6%)
$27,166 + $99,329
$126,495
2021
$1,684 (−1.7%)
$26,634 + $97,382
$124,016
2020
$1,713 (+0.3%)
$26,112 + $95,473
$121,585
2019
$1,707 (+1.4%)
$25,845 + $94,495
$120,340
2018
$1,683 (+0.8%)
$25,339 + $92,643
$117,982
2017
$1,670 (+8.6%)
$24,356 + $89,047
$113,403
2015
$1,537 (+1.5%)
$23,879 + $87,301
$111,180
2014
$1,515 (−0.5%)
$23,061 + $84,306
$107,367
2013
$1,522 (+1.3%)
$23,061 + $84,306
$107,367
2012
$1,502 (+1.6%)
$22,957 + $83,925
$106,882
2011
$1,479 (+2.0%)
$22,507 + $82,280
$104,787
2010
$1,449 (+0.5%)
$22,066 + $80,667
$102,733
2009
$1,442 (+3.6%)
$21,902 + $80,065
$101,967
2007
$1,392
$21,525 + $78,683
$100,208
Tax history for 9940 Herb Rd
Year
Property tax
Land + Additions
Assessment*
2025
$1,811 (+2.1%)
$28,828 + $105,407
$134,235
2024
$1,774 (+1.9%)
$28,263 + $103,341
$131,604
2023
$1,742 (+1.8%)
$27,709 + $101,315
$129,024
2022
$1,711 (+1.6%)
$27,166 + $99,329
$126,495
2021
$1,684 (−1.7%)
$26,634 + $97,382
$124,016
2020
$1,713 (+0.3%)
$26,112 + $95,473
$121,585
2019
$1,707 (+1.4%)
$25,845 + $94,495
$120,340
2018
$1,683 (+0.8%)
$25,339 + $92,643
$117,982
2017
$1,670 (+8.6%)
$24,356 + $89,047
$113,403
2015
$1,537 (+1.5%)
$23,879 + $87,301
$111,180
2014
$1,515 (−0.5%)
$23,061 + $84,306
$107,367
2013
$1,522 (+1.3%)
$23,061 + $84,306
$107,367
2012
$1,502 (+1.6%)
$22,957 + $83,925
$106,882
2011
$1,479 (+2.0%)
$22,507 + $82,280
$104,787
2010
$1,449 (+0.5%)
$22,066 + $80,667
$102,733
2009
$1,442 (+3.6%)
$21,902 + $80,065
$101,967
2007
$1,392
$21,525 + $78,683
$100,208
*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
ER
Estate Residential Zone
The ER zone is intended for areas suitable for single-unit dwellings on larger parcels. Multi-unit dwellings may be allowed in compliance with State law. The allowable density ranges from 0.2 to 3 dwelling units per acre. The ER zone is consistent with the Estate Residential ER land use designation in the General Plan.
Permitted uses
Include but are not limited to:
Agriculture
Livestock production
Housing-Group
Housing-Single unit
Housing-Multiple units
Housing-Other
Infrastructure
Public service
Apr 22, 2025 • Final
Residential heating
Replace the furnace and ducting in a residential building.
HVAC
Jun 11, 2016 • Final
Building history record
Construct a new single-family home with heating.
HVAC
New construction
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: 5
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Good
Property Information
Living Sq. Ft: 1,406
Ground Floor Sq. Ft: 1,406
Building Sq. Ft: 1,406
# of Stories: 1
Legal Description: 90 FM 66-020-32 # CHG PER MD
Parking & Garage Information
Garage/Parking Sq. Ft: 420
Lot Information
# of Buildings: 1
Land Sq. Ft: 16,117
Acres: 0.37
Zoning Code: CITYWI
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,406
Stories: 1.0
Lot Size: 0.37 acres
Style: Single Family Residential
Year Built: 1976
Year Renovated: 1976
County: Sonoma County
APN: 066021025000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Brooks Elementary School
Public 3-5 • Assigned • 1.1mi
3/10
Windsor Middle School
Public 6-8 • Assigned • 1.4mi
6/10
Windsor High School
Public 9-12 • Assigned • 1.3mi
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
4/10 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, 17 days in 30 years
Provided by First Street
Historical weather
Windsor, CA • 95492
Average low and high temperatures (°F)
62
39
63
43
72
45
70
47
78
51
80
53
79
53
87
53
84
54
78
50
64
44
58
42
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
$699,000 – $846,000
Reach more buyers when you sell with Redfin. Save up to $7,356 in fees.3 minutes to get started.