3172 Roundhill Rd is a 2,550 square foot house on a 0.35 acre lot with 4 bedrooms and 4 bathrooms. - it last sold on July 22, 1988 for $387,500. Based on Redfin's Alamo data, we estimate the home's value is $2,365,734.
Single-familyProperty Type
1969Year Built
0.35 acresLot Size
$928Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,365,734
$2.0M since sold in July 1988$18K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 6.8% lower than the average sale price ($2.54M) 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
Jan 30, 2010 • Final
Building - residential plumbing
Install a new water heater.
Plumbing
Water heater
Jan 30, 2010 • Final
Building - residential mechanical
HVAC
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: 2
Has Fireplace
Room Information
# of Rooms: 10
Exterior
Exterior Information
Physical Condition: Good
Building Construction Quality: Good
Pool Information
Has Pool
Property Information
Living Sq. Ft: 2,550
Ground Floor Sq. Ft: 2,550
Building Sq. Ft: 3,199
# of Stories: 1
Legal Description: TRACT 2630 LOT 5 EX 1/2 MR
Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 649
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 15,340
Legal Lot Number: 5
Acres: 0.3522
Zoning Code: R-15
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 4.0
Sq. Ft.: 2,550
Stories: 1.0
Lot Size: 0.35 acres
Style: Single Family Residential
Year Built: 1969
Year Renovated: 1970
County: Contra Costa County
APN: 1932420027
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Rancho Romero Elementary School
Public K-5 • Assigned • 1.4mi
9/10
Stone Valley Middle School
Public 6-8 • Assigned • 0.6mi
10/10
Monte Vista High School
Public 9-12 • Assigned • 1.7mi
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
7 days above 95° 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
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74
51
80
54
80
55
86
58
83
57
76
53
62
44
56
43
Jan
Feb
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May
Jun
Jul
Aug
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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
$2.25M – $2.72M
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