3020 Sombrero Cir is a 1,708 square foot house on a 7,105 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on August 12, 1998 for $350,000. Based on Redfin's San Ramon data, we estimate the home's value is $1,408,066.
Single-familyProperty Type
1983Year Built
7,105 sq ftLot Size
$824Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$1,408,066
$1.1M since sold in August 1998$26K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.3% lower than the average sale price ($1.41M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #28258573
Jul 2, 1998
Listing Removed
—
Public Records
May 25, 1989
Sold
$279,000
$163/sq ft
Public Records
Oct 23, 1987
Sold
$205,000
$120/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$7,237 (+3.2%)
$143,903 + $415,748
$559,651
2025
$7,013 (+2.2%)
$143,903 + $415,748
$559,651
2024
$6,864 (+1.8%)
$141,082 + $407,597
$548,679
2023
$6,745 (+0.8%)
$138,316 + $399,605
$537,921
2022
$6,695 (+2.3%)
$135,604 + $391,770
$527,374
2021
$6,546 (+1.4%)
$132,946 + $384,089
$517,035
2020
$6,455 (+1.0%)
$130,340 + $376,558
$506,898
2019
$6,388 (+3.9%)
$129,004 + $372,697
$501,701
2018
$6,151 (+3.8%)
$126,475 + $365,390
$491,865
2017
$5,924 (+1.5%)
$121,565 + $351,202
$472,767
2016
$5,836 (+1.5%)
$121,565 + $351,202
$472,767
2015
$5,750 (+1.6%)
$119,182 + $344,316
$463,498
2014
$5,662 (+1.4%)
$115,093 + $332,502
$447,595
2013
$5,581 (+3.2%)
$115,093 + $332,502
$447,595
2012
$5,408 (+2.1%)
$114,573 + $331,000
$445,573
2011
$5,296 (+1.5%)
$112,327 + $324,510
$436,837
2010
$5,218
$110,125 + $318,148
$428,273
2009
$5,223 (+3.8%)
$109,302 + $315,771
$425,073
2008
$5,033
$109,562 + $316,522
$426,084
Tax history for 3020 Sombrero Cir
Year
Property tax
Land + Additions
Assessment*
2026
$7,237 (+3.2%)
$143,903 + $415,748
$559,651
2025
$7,013 (+2.2%)
$143,903 + $415,748
$559,651
2024
$6,864 (+1.8%)
$141,082 + $407,597
$548,679
2023
$6,745 (+0.8%)
$138,316 + $399,605
$537,921
2022
$6,695 (+2.3%)
$135,604 + $391,770
$527,374
2021
$6,546 (+1.4%)
$132,946 + $384,089
$517,035
2020
$6,455 (+1.0%)
$130,340 + $376,558
$506,898
2019
$6,388 (+3.9%)
$129,004 + $372,697
$501,701
2018
$6,151 (+3.8%)
$126,475 + $365,390
$491,865
2017
$5,924 (+1.5%)
$121,565 + $351,202
$472,767
2016
$5,836 (+1.5%)
$121,565 + $351,202
$472,767
2015
$5,750 (+1.6%)
$119,182 + $344,316
$463,498
2014
$5,662 (+1.4%)
$115,093 + $332,502
$447,595
2013
$5,581 (+3.2%)
$115,093 + $332,502
$447,595
2012
$5,408 (+2.1%)
$114,573 + $331,000
$445,573
2011
$5,296 (+1.5%)
$112,327 + $324,510
$436,837
2010
$5,218
$110,125 + $318,148
$428,273
2009
$5,223 (+3.8%)
$109,302 + $315,771
$425,073
2008
$5,033
$109,562 + $316,522
$426,084
*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-D
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
Jan 30, 2010 • Final
Building/residential/rp/repair
Remodel
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
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 8
Exterior
Exterior Information
Physical Condition: Good
Building Style Type: Contemporary
Building Construction Quality: Average
Exterior Wall: Brick/Stone
Property Information
Living Sq. Ft: 1,708
Ground Floor Sq. Ft: 1,708
Building Sq. Ft: 1,708
# of Stories: 1
Legal Description: T05691 L0026 B
Parking & Garage Information
Garage/Parking Sq. Ft: 437
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,105
Legal Lot Number: 26
Acres: 0.1631
County Use Description: SINGLE FAMILY DETACHED WITH MA
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,708
Stories: 1.0
Lot Size: 7,105 square feet
Style: Single Family Residential
Year Built: 1983
Year Renovated: 1984
County: Contra Costa County
APN: 2096420084
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Bollinger Canyon Elementary School
Public K-5 • Assigned • 0.7mi
10/10
Iron Horse Middle School
Public 6-8 • Assigned • 1.3mi
10/10
California High School
Public 9-12 • Assigned • 1.1mi
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...