9930 Windsor Way is a 1,885 square foot house on a 6,750 square foot lot with 4 bedrooms and 3 bathrooms. Based on Redfin's San Ramon data, we estimate the home's value is $1,417,515.
Single-familyProperty Type
1977Year Built
6,750 sq ftLot Size
$752Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,417,515
$5,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 1.3% lower than the average sale price ($1.44M) 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
$4,237 (+2.3%)
$79,915 + $225,379
$305,294
2024
$4,142 (+2.0%)
$78,349 + $220,960
$299,309
2023
$4,061 (+0.8%)
$76,813 + $216,628
$293,441
2022
$4,029 (+2.4%)
$75,307 + $212,381
$287,688
2021
$3,933 (+2.0%)
$73,831 + $208,217
$282,048
2020
$3,855 (+1.0%)
$72,384 + $204,135
$276,519
2019
$3,817 (+3.9%)
$71,642 + $202,042
$273,684
2018
$3,674 (+4.0%)
$70,238 + $198,081
$268,319
2017
$3,534 (+1.9%)
$67,511 + $190,391
$257,902
2016
$3,467 (+1.8%)
$67,511 + $190,391
$257,902
2015
$3,405 (+1.9%)
$66,188 + $186,658
$252,846
2014
$3,340 (+1.8%)
$63,917 + $180,254
$244,171
2013
$3,281 (+3.5%)
$63,917 + $180,254
$244,171
2012
$3,170 (+2.5%)
$63,629 + $179,440
$243,069
2011
$3,094 (+1.8%)
$62,382 + $175,922
$238,304
2010
$3,038
$61,159 + $172,473
$233,632
2009
$3,040 (+4.4%)
$60,702 + $171,184
$231,886
2008
$2,912
$60,847 + $171,591
$232,438
Tax history for 9930 Windsor Way
Year
Property tax
Land + Additions
Assessment*
2025
$4,237 (+2.3%)
$79,915 + $225,379
$305,294
2024
$4,142 (+2.0%)
$78,349 + $220,960
$299,309
2023
$4,061 (+0.8%)
$76,813 + $216,628
$293,441
2022
$4,029 (+2.4%)
$75,307 + $212,381
$287,688
2021
$3,933 (+2.0%)
$73,831 + $208,217
$282,048
2020
$3,855 (+1.0%)
$72,384 + $204,135
$276,519
2019
$3,817 (+3.9%)
$71,642 + $202,042
$273,684
2018
$3,674 (+4.0%)
$70,238 + $198,081
$268,319
2017
$3,534 (+1.9%)
$67,511 + $190,391
$257,902
2016
$3,467 (+1.8%)
$67,511 + $190,391
$257,902
2015
$3,405 (+1.9%)
$66,188 + $186,658
$252,846
2014
$3,340 (+1.8%)
$63,917 + $180,254
$244,171
2013
$3,281 (+3.5%)
$63,917 + $180,254
$244,171
2012
$3,170 (+2.5%)
$63,629 + $179,440
$243,069
2011
$3,094 (+1.8%)
$62,382 + $175,922
$238,304
2010
$3,038
$61,159 + $172,473
$233,632
2009
$3,040 (+4.4%)
$60,702 + $171,184
$231,886
2008
$2,912
$60,847 + $171,591
$232,438
*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
RS-7
Single-Family Residential Zone
The RS zone is applied to areas of the City appropriate for single-family residential land uses in neighborhoods at a density of three to six units per net acre, subject to appropriate standards. The specific allowable density for each parcel is shown on the Zoning Map by a numerical suffix residential density designator (see Section D2-8). Minimum lot size for new parcels ranges from 3,500 to 12,000 sq ft. Depending upon the applicable residential density designator, the RS zone is consistent with and implements the Single Family Low Density, Single Family Low-Medium Density, and Single Family Medium Density land use classifications of the General Plan.
Permitted uses
Include but are not limited to:
Day care facility
Housing-Single unit
Housing-Senior
Housing-Student
Housing-Other
Feb 26, 2020 • Final
Alteration, remodel, repair - building residential
Remodel
Mar 31, 2016 • Final
Furnace a/c - mechanical (residential)
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
Room Information
# of Rooms: 9
Exterior
Property Information
Subdivision Name: SUBDIVISION 4171
Living Sq. Ft: 1,885
Ground Floor Sq. Ft: 1,105
Building Sq. Ft: 1,885
# of Stories: 2
Legal Description: TRACT 4171 LOT 52 EX MR
Parking & Garage Information
Garage/Parking Sq. Ft: 462
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,750
Legal Lot Number: 52
Acres: 0.155
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 1,885
Stories: 2.0
Lot Size: 6,750 square feet
Style: Single Family Residential
Year Built: 1977
Year Renovated: 1978
County: Contra Costa County
APN: 2122820109
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Montevideo Elementary School
Public K-5 • Assigned • 0.5mi
9/10
Pine Valley Middle School
Public 6-8 • Assigned • 0.9mi
10/10
California High School
Public 9-12 • Assigned • 0.2mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
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