2938 Roundhill Rd is a 2,472 square foot house on a 0.47 acre lot with 4 bedrooms and 3 bathrooms. - it last sold on June 26, 1981 for $308,500. Based on Redfin's Alamo data, we estimate the home's value is $2,201,303.
Single-familyProperty Type
1976Year Built
0.47 acresLot Size
$890Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,201,303
$1.9M since sold in June 1981$52K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 14.1% lower than the average sale price ($2.56M) 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
May 22, 2024 • Final
Building - residential solar photovoltaic
Install a solar photovoltaic system and energy storage systems on a residential building.
Battery
Electrical
Solar
Apr 15, 2022 • Final
Building - residential re-roof
Remove roofing tiles from a single-family home and install new composition shingles. A cool roof or cool roof exception is required at the final inspection.
Roofing
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
Room Information
# of Rooms: 10
Exterior
Pool Information
Has Pool
Property Information
Living Sq. Ft: 2,472
Ground Floor Sq. Ft: 2,472
Building Sq. Ft: 2,472
# of Stories: 1
Legal Description: PARCEL MAP 30 PG 6 PCL A
Parking & Garage Information
Garage/Parking Sq. Ft: 682
Lot Information
# of Buildings: 1
Land Sq. Ft: 20,500
Acres: 0.4706
Zoning Code: R-20
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,472
Stories: 1.0
Lot Size: 0.47 acres
Style: Single Family Residential
Year Built: 1976
Year Renovated: 1977
County: Contra Costa County
APN: 1930500184
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Alamo Elementary School
Public K-5 • Assigned • 0.7mi
10/10
Stone Valley Middle School
Public 6-8 • Assigned • 0.6mi
10/10
Monte Vista High School
Public 9-12 • Assigned • 2.5mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
4/10 Fire Factor
2% chance of being in a wildfire in next 30 years
3/10 Heat Factor
8 days above 96° expected this year, 16 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
17 unhealthy days expected this year, 17 days in 30 years
Provided by First Street
Historical weather
Alamo, CA • 94507
Average low and high temperatures (°F)
58
39
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42
68
46
68
47
74
51
80
54
80
55
85
58
83
57
76
53
62
44
56
43
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.5 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.5 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$2.09M – $2.53M
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