20 Winslow Pl is a 1,533 square foot house on a 7,500 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on May 30, 2018 for $900,000. Based on Redfin's San Ramon data, we estimate the home's value is $1,309,727.
Single-familyProperty Type
1966Year Built
7,500 sq ftLot Size
$854Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$1,309,727
$410K since sold in May 2018$14K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 14.7% higher than the average sale price ($1.14M) of 6 comparable homes.
Nicely updated home in in desirable San Ramon community and close proximity to Athan Downs Park. The home has too many updates to list and large sparkling pool in the yard.
13 years ago• May not reflect the current state of the home
Single story home on a corner lot. Laminate flooring and recess lighting. Living room with vaulted beams and big windows. Kitchen features white cabinets, backsplash and granite counters. Backyard with pool , patio and tool shed.
10 years ago• May not reflect the current state of the home
Roya Safi
Redfin Associate agent
Sale history for 20 Winslow Pl
Date
Event
Price
Public Records
May 30, 2018
Sold
$900,000
$587/sq ft
Public Records
Jan 30, 2014
Sold
$673,000
$439/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #40630637
Nov 20, 2013
Listing Removed
—
Public Records
Jul 31, 2013
Sold
$556,000
$363/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$12,325 (+3.3%)
$696,349 + $348,173
$1,044,522
2025
$11,935 (+2.0%)
$696,349 + $348,173
$1,044,522
2024
$11,700 (+1.6%)
$682,696 + $341,347
$1,024,043
2023
$11,515 (+0.7%)
$669,310 + $334,654
$1,003,964
2022
$11,433 (+2.0%)
$656,187 + $328,093
$984,280
2021
$11,205 (+0.6%)
$643,321 + $321,660
$964,981
2020
$11,135 (+1.3%)
$630,707 + $315,353
$946,060
2019
$10,989 (+26.8%)
$624,240 + $312,120
$936,360
2018
$8,667 (+3.7%)
$612,000 + $306,000
$918,000
2017
$8,356 (+1.2%)
$580,934 + $129,917
$710,851
2016
$8,256 (+1.0%)
$580,934 + $129,917
$710,851
2015
$8,176 (+20.4%)
$569,544 + $127,370
$696,914
2014
$6,792 (+357.8%)
$400,000 + $156,000
$556,000
2013
$1,484 (+2.2%)
$400,000 + $156,000
$556,000
2012
$1,451 (+7.6%)
$13,588 + $62,726
$76,314
2011
$1,348 (+3.0%)
$13,322 + $61,497
$74,819
2010
$1,309 (+1.6%)
$13,061 + $60,292
$73,353
2009
$1,289 (+6.6%)
$12,964 + $59,842
$72,806
2008
$1,209
$12,995 + $59,985
$72,980
Tax history for 20 Winslow Pl
Year
Property tax
Land + Additions
Assessment*
2026
$12,325 (+3.3%)
$696,349 + $348,173
$1,044,522
2025
$11,935 (+2.0%)
$696,349 + $348,173
$1,044,522
2024
$11,700 (+1.6%)
$682,696 + $341,347
$1,024,043
2023
$11,515 (+0.7%)
$669,310 + $334,654
$1,003,964
2022
$11,433 (+2.0%)
$656,187 + $328,093
$984,280
2021
$11,205 (+0.6%)
$643,321 + $321,660
$964,981
2020
$11,135 (+1.3%)
$630,707 + $315,353
$946,060
2019
$10,989 (+26.8%)
$624,240 + $312,120
$936,360
2018
$8,667 (+3.7%)
$612,000 + $306,000
$918,000
2017
$8,356 (+1.2%)
$580,934 + $129,917
$710,851
2016
$8,256 (+1.0%)
$580,934 + $129,917
$710,851
2015
$8,176 (+20.4%)
$569,544 + $127,370
$696,914
2014
$6,792 (+357.8%)
$400,000 + $156,000
$556,000
2013
$1,484 (+2.2%)
$400,000 + $156,000
$556,000
2012
$1,451 (+7.6%)
$13,588 + $62,726
$76,314
2011
$1,348 (+3.0%)
$13,322 + $61,497
$74,819
2010
$1,309 (+1.6%)
$13,061 + $60,292
$73,353
2009
$1,289 (+6.6%)
$12,964 + $59,842
$72,806
2008
$1,209
$12,995 + $59,985
$72,980
*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 25, 2025 • Final
Miscellaneous - electrical
Electrical
Jan 6, 2021 • Final
Photovoltaic - electrical
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
Room Information
# of Rooms: 7
Exterior
Pool Information
Has Pool
Property Information
Subdivision Name: MAP/SUB 3477
Living Sq. Ft: 1,533
Ground Floor Sq. Ft: 1,533
Building Sq. Ft: 1,533
# of Stories: 1
Legal Description: TRACT 3477 LOT 135 EX MR
Parking & Garage Information
Garage/Parking Sq. Ft: 451
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,500
Legal Lot Number: 135
Acres: 0.1722
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,533
Stories: 1.0
Lot Size: 7,500 square feet
Style: Single Family Residential
Year Built: 1966
Year Renovated: 1985
County: Contra Costa County
APN: 2120620246
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Neil A. Armstrong Elementary School
Public K-5 • Assigned • 0.4mi
10/10
Pine Valley Middle School
Public 6-8 • Assigned • 0.8mi
10/10
California High School
Public 9-12 • Assigned • 0.5mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
San Ramon, Past 3 months,Median price $1.51M, down 4.5% YoY,Homes sold: 169 in July, up 1%,Days on market 20 days,Market Active but more balanced; slight seller advantage,Bottom line: Prices have softened, but homes are still selling relatively...