3100 Sombrero Cir is a 1,972 square foot house on a 4,185 square foot lot with 3 bedrooms and 3 bathrooms. - it last sold on October 31, 2014 for $760,000. Based on Redfin's San Ramon data, we estimate the home's value is $1,342,259.
Single-familyProperty Type
1982Year Built
4,185 sq ftLot Size
$681Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$1,342,259
$582K since sold in October 2014$18K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 5.1% lower than the average sale price ($1.42M) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
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
Property details
Interior
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 9
Exterior
Exterior Information
Physical Condition: Good
Building Construction Quality: Good
Exterior Wall: Stucco
Property Information
Subdivision Name: SUBDIVISION 5691
Living Sq. Ft: 1,972
Ground Floor Sq. Ft: 1,075
Building Sq. Ft: 2,480
# of Stories: 2
Legal Description: T05691 L0007 B
Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 508
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 4,185
Legal Lot Number: 7
Acres: 0.0961
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: 3.0
Sq. Ft.: 1,972
Stories: 2.0
Lot Size: 4,185 square feet
Style: Single Family Residential
Year Built: 1982
Year Renovated: 1995
County: Contra Costa County
APN: 2096410077
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 • 1.2mi
10/10
California High School
Public 9-12 • Assigned • 1.0mi
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...