2055 Sierra Rd #100 is a 639 square foot condo with 1 bedroom and 1 bathroom. - it last sold on February 01, 1990 for $66,000. Based on Redfin's Concord data, we estimate the home's value is $222,991.
CondoProperty Type
1984Year Built
$349Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$222,991
$157K since sold in February 1990$15K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 1.7% higher than the average sale price ($219K) 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
RM
Residential Medium Density District
The RM district is applied to areas of the city appropriate for residential uses with attached and detached dwellings, including a variety of housing types such as small lot single-family dwellings, townhomes, row houses, and cluster housing, at densities of 11 to 33 units per net acre, with provisions for appropriately scaled and located live/work units. The RM district is consistent with and implements the medium density residential (MDR) land use designation of the general plan.
Permitted uses
Include but are not limited to:
Housing-Single unit
Housing-Multiple units
Housing-Senior
Recreation
Agriculture-Cropland
Agriculture-Grove / orchard / vineyard
Park & open space
Feb 22, 2013 • Final
Building
Replace the existing furnace and air conditioning unit.
HVAC
Feb 22, 2013 • Final
Building
Repair a deck by removing and disposing of existing decking, railings, skirting, and substructure framing. Replace the substructure with new framing and flashing, and install new stained redwood decking boards.
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: 5
Exterior
Exterior Information
Physical Condition: Excellent
Building Construction Quality: Average
Exterior Wall: Stucco
Property Information
Living Sq. Ft: 639
Ground Floor Sq. Ft: 639
Building Sq. Ft: 639
# of Stories: 1
Legal Description: T06066 L B U0100N
Parking & Garage Information
# of Parking Spaces: 1
Parking Type: Carport
Garage/Parking Sq. Ft: 200
Garage / Carport Type: Carport
Lot Information
# of Buildings: 1
Land Sq. Ft: 584
Legal Lot Number: B
Acres: 0.0134
County Use Description: CONDOMINIUM
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 1
Baths: 1.0
Sq. Ft.: 639
Stories: 1.0
Lot Size: —
Style: Condo/Co-op
Year Built: 1984
Year Renovated: 1985
County: Contra Costa County
APN: 1295201006
Home facts updated by county records on Oct 9, 2026