2124 Contra Costa Ave is a 3,132 square foot house on a 0.3 acre lot with 4 bedrooms and 2 bathrooms. - it last sold on June 08, 1993 for $257,500. Based on Redfin's Santa Rosa data, we estimate the home's value is $972,583.
Single-familyProperty Type
1976Year Built
0.3 acresLot Size
$311Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$972,583
$715K since sold in June 1993$21K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 12% higher than the average sale price ($868K) 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.
Permits
Feb 5, 2019 • Final
Residential addition-alteration
Convert an upstairs bathroom into a laundry room. Enlarge a window and remove non-bearing partition walls, a shower, and a toilet. Install new LED lighting.
Bathroom
Electrical
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
Bathroom Information
# of Full Baths: 2
Heating & Cooling
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 4
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: U-Shape
Construction Type: Wood/Steel
Building Construction Quality: Good
Property Information
Subdivision Name: ANNADEL HEIGHTS SUB
Living Sq. Ft: 3,132
Ground Floor Sq. Ft: 1,258
Building Sq. Ft: 3,588
# of Stories: 2
Legal Description: ANNADEL HEIGHTS SUB 2 LOT 20
Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 456
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 12,960
Legal Lot Number: 20
Acres: 0.2975
Zoning Code: CITYSR
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 3,132
Stories: 2.0
Lot Size: 0.3 acres
Style: Single Family Residential
Year Built: 1976
Year Renovated: 2000
County: Sonoma County
APN: 049571020000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Strawberry Elementary School
Public 4-6 • Assigned • 0.1mi
6/10
Montgomery High School
Public 9-12 • Assigned • 1.2mi
7/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Historical weather
Santa Rosa, CA • 95405
Average low and high temperatures (°F)
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64
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Sun exposure
In this area, properties receive around 11.2 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.2 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$924,000 – $1.12M
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