100 Cobblestone Ln is a 2,225 square foot house on a 9,348 square foot lot with 4 bedrooms and 3 bathrooms. - it last sold on January 29, 1993 for $323,000. Based on Redfin's San Ramon data, we estimate the home's value is $1,636,805.
Single-familyProperty Type
1984Year Built
9,348 sq ftLot Size
$736Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,636,805
$1.3M since sold in January 1993$8,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 5% lower than the average sale price ($1.72M) 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 and permits
Zoning
Permits
RE-B
Residential Estate Zone
The RE zone is applied to areas of the City appropriate for very low density residential land uses, at densities of 0.2 to 3.0 units per acre, compatible with the topography and public service capacities. 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 15,000 to 20,000 sq ft. The RE zone is consistent with and implements the Single Family Low Density land use classification of the General Plan.
Permitted uses
Include but are not limited to:
Livestock production
Day care facility
Housing-Single unit
Housing-Senior
Housing-Student
Housing-Other
Mar 8, 2021 • Final
Alteration, remodel, repair - building residential
Remodel
Dec 1, 2020 • Final
Alteration, remodel, repair - building residential
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: 9
Exterior
Exterior Information
Building Style Type: Contemporary
Building Construction Quality: Good
Exterior Wall: Wood Siding
View Information
View: Good
Property Information
Subdivision Name: SUBDIVISION 5379
Living Sq. Ft: 2,225
Ground Floor Sq. Ft: 1,279
Building Sq. Ft: 2,655
# of Stories: 2
Legal Description: T05379 L0019 B
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 430
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 9,348
Legal Lot Number: 19
Acres: 0.2146
County Use Description: SINGLE FAMILY
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,225
Stories: 2.0
Lot Size: 9,348 square feet
Style: Single Family Residential
Year Built: 1984
Year Renovated: 2008
County: Contra Costa County
APN: 2095800104
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Twin Creeks Elementary School
Public K-5 • Assigned • 0.5mi
10/10
Iron Horse Middle School
Public 6-8 • Assigned • 2.0mi
10/10
California High School
Public 9-12 • Assigned • 3.1mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
During the last 30 days, San Ramon's market has remained balanced. Buyers enjoy more choices and negotiating opportunities, while seller continuing seeing strong demand for turnkey homes with modern upgrades, functional layout and desirable...
San Ramon is best known for its seamless mix of outdoor recreation and modern conveniences. City Center Bishop Ranch is a major hub for dining, boutique shopping, and weekend events, while the Iron Horse Trail runs right through town, making it super...
San Ramon properties move fast, going pending in just 14 days. With fierce competition at the $1.6M median price, multiple offers and waived contingencies are the norm. Buyers must act decisively and submit their strongest offer immediately to win.