2955 Roundhill Rd is a 2,665 square foot house on a 0.47 acre lot with 4 bedrooms and 3 bathrooms. Based on Redfin's Alamo data, we estimate the home's value is $2,367,232.
Single-familyProperty Type
1975Year Built
0.47 acresLot Size
$888Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,367,232
$197K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 8.9% lower than the average sale price ($2.60M) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$3,786 (+2.4%)
$56,993 + $219,958
$276,951
2024
$3,699 (+1.9%)
$55,876 + $215,646
$271,522
2023
$3,629 (+0.8%)
$54,781 + $211,418
$266,199
2022
$3,600 (+2.5%)
$53,707 + $207,273
$260,980
2021
$3,512 (+3.7%)
$52,654 + $203,209
$255,863
2020
$3,387 (+1.0%)
$51,622 + $199,225
$250,847
2019
$3,354 (+4.1%)
$51,093 + $197,183
$248,276
2018
$3,223 (+4.2%)
$50,092 + $193,317
$243,409
2017
$3,094 (+2.1%)
$48,148 + $185,811
$233,959
2016
$3,030 (+2.0%)
$48,148 + $185,811
$233,959
2015
$2,972 (+2.0%)
$47,204 + $182,168
$229,372
2014
$2,913 (+2.0%)
$45,585 + $175,918
$221,503
2013
$2,857 (+3.7%)
$45,585 + $175,918
$221,503
2012
$2,756 (+2.6%)
$45,379 + $175,123
$220,502
2011
$2,686 (+2.0%)
$44,490 + $171,690
$216,180
2010
$2,633 (−0.1%)
$43,618 + $168,324
$211,942
2009
$2,636 (+2.5%)
$43,293 + $167,066
$210,359
2008
$2,570
$43,396 + $167,463
$210,859
Tax history for 2955 Roundhill Rd
Year
Property tax
Land + Additions
Assessment*
2025
$3,786 (+2.4%)
$56,993 + $219,958
$276,951
2024
$3,699 (+1.9%)
$55,876 + $215,646
$271,522
2023
$3,629 (+0.8%)
$54,781 + $211,418
$266,199
2022
$3,600 (+2.5%)
$53,707 + $207,273
$260,980
2021
$3,512 (+3.7%)
$52,654 + $203,209
$255,863
2020
$3,387 (+1.0%)
$51,622 + $199,225
$250,847
2019
$3,354 (+4.1%)
$51,093 + $197,183
$248,276
2018
$3,223 (+4.2%)
$50,092 + $193,317
$243,409
2017
$3,094 (+2.1%)
$48,148 + $185,811
$233,959
2016
$3,030 (+2.0%)
$48,148 + $185,811
$233,959
2015
$2,972 (+2.0%)
$47,204 + $182,168
$229,372
2014
$2,913 (+2.0%)
$45,585 + $175,918
$221,503
2013
$2,857 (+3.7%)
$45,585 + $175,918
$221,503
2012
$2,756 (+2.6%)
$45,379 + $175,123
$220,502
2011
$2,686 (+2.0%)
$44,490 + $171,690
$216,180
2010
$2,633 (−0.1%)
$43,618 + $168,324
$211,942
2009
$2,636 (+2.5%)
$43,293 + $167,066
$210,359
2008
$2,570
$43,396 + $167,463
$210,859
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jul 18, 2016 • Final
Building - residential solar photovoltaic
Install a solar photovoltaic system on a residential building.
Electrical
Solar
Sep 16, 2004 • Final
Building/residential/ad/single family addition
Construct an addition for a master bathroom.
Addition
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
Property Information
Living Sq. Ft: 2,665
Ground Floor Sq. Ft: 2,665
Building Sq. Ft: 2,665
# of Stories: 1
Legal Description: PARCEL MAP 31 PG 27 PCL B
Parking & Garage Information
Garage/Parking Sq. Ft: 686
Lot Information
# of Buildings: 1
Land Sq. Ft: 20,400
Acres: 0.4683
Zoning Code: R-20
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,665
Stories: 1.0
Lot Size: 0.47 acres
Style: Single Family Residential
Year Built: 1975
Year Renovated: 1983
County: Contra Costa County
APN: 1935800027
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Alamo Elementary School
Public K-5 • Assigned • 0.8mi
10/10
Stone Valley Middle School
Public 6-8 • Assigned • 0.6mi
10/10
Monte Vista High School
Public 9-12 • Assigned • 2.4mi
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 94° expected this year, 15 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
61
42
68
46
68
47
74
51
80
54
80
55
86
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
$2.25M – $2.72M
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