3101 Sandstone Rd is a 4,143 square foot house on a 0.62 acre lot with 5 bedrooms and 4 bathrooms. Based on Redfin's Alamo data, we estimate the home's value is $3,022,267.
Single-familyProperty Type
1989Year Built
0.62 acresLot Size
$729Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$3,022,267
$18K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.5% lower than the average sale price ($3.04M) of 5 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
$17,663 (+2.4%)
$502,442 + $1,038,204
$1,540,646
2024
$17,249 (+3.7%)
$492,591 + $1,017,848
$1,510,439
2023
$16,637 (+0.7%)
$482,933 + $990,538
$1,473,471
2022
$16,513 (+2.2%)
$473,464 + $971,116
$1,444,580
2021
$16,162 (+1.2%)
$464,181 + $952,075
$1,416,256
2020
$15,974 (+1.1%)
$455,080 + $933,407
$1,388,487
2019
$15,794 (+3.9%)
$450,414 + $923,837
$1,374,251
2018
$15,204 (+3.8%)
$441,583 + $905,723
$1,347,306
2017
$14,651 (+1.2%)
$424,437 + $870,553
$1,294,990
2016
$14,481 (+1.2%)
$424,437 + $870,553
$1,294,990
2015
$14,307 (+1.3%)
$416,115 + $853,484
$1,269,599
2014
$14,125 (+1.1%)
$401,837 + $824,197
$1,226,034
2013
$13,968 (+7.2%)
$401,837 + $824,197
$1,226,034
2012
$13,034 (−2.1%)
$400,021 + $820,473
$1,220,494
2011
$13,311 (+1.2%)
$376,425 + $772,075
$1,148,500
2010
$13,150 (−0.1%)
$384,489 + $788,614
$1,173,103
2009
$13,167 (+3.3%)
$381,616 + $782,721
$1,164,337
2008
$12,747
$382,523 + $784,581
$1,167,104
Tax history for 3101 Sandstone Rd
Year
Property tax
Land + Additions
Assessment*
2025
$17,663 (+2.4%)
$502,442 + $1,038,204
$1,540,646
2024
$17,249 (+3.7%)
$492,591 + $1,017,848
$1,510,439
2023
$16,637 (+0.7%)
$482,933 + $990,538
$1,473,471
2022
$16,513 (+2.2%)
$473,464 + $971,116
$1,444,580
2021
$16,162 (+1.2%)
$464,181 + $952,075
$1,416,256
2020
$15,974 (+1.1%)
$455,080 + $933,407
$1,388,487
2019
$15,794 (+3.9%)
$450,414 + $923,837
$1,374,251
2018
$15,204 (+3.8%)
$441,583 + $905,723
$1,347,306
2017
$14,651 (+1.2%)
$424,437 + $870,553
$1,294,990
2016
$14,481 (+1.2%)
$424,437 + $870,553
$1,294,990
2015
$14,307 (+1.3%)
$416,115 + $853,484
$1,269,599
2014
$14,125 (+1.1%)
$401,837 + $824,197
$1,226,034
2013
$13,968 (+7.2%)
$401,837 + $824,197
$1,226,034
2012
$13,034 (−2.1%)
$400,021 + $820,473
$1,220,494
2011
$13,311 (+1.2%)
$376,425 + $772,075
$1,148,500
2010
$13,150 (−0.1%)
$384,489 + $788,614
$1,173,103
2009
$13,167 (+3.3%)
$381,616 + $782,721
$1,164,337
2008
$12,747
$382,523 + $784,581
$1,167,104
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Aug 20, 2024 • Final
Building/residential/al/alteration
Extend the existing rear porch by adding length to the structure.
Addition
Jun 17, 2024 • Final
Building/residential/r/adu-2nd unit
ADU
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
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 3
Has Fireplace
Room Information
# of Rooms: 12
Exterior
Exterior Information
Physical Condition: Good
Foundation Type: Raised W/Crawlspace
Building Style Type: Conventional
Building Construction Quality: Good
Exterior Wall: Brick/Stone
Pool Information
Has Pool
Property Information
Living Sq. Ft: 4,143
Ground Floor Sq. Ft: 4,143
Building Sq. Ft: 4,143
# of Stories: 1
Legal Description: T6966 L8
Parking & Garage Information
Parking Type: Garage/Carport
Garage/Parking Sq. Ft: 731
Lot Information
# of Buildings: 1
Land Sq. Ft: 27,000
Legal Lot Number: 8
Acres: 0.6198
Zoning Code: R-20
County Use Description: SINGLE FAMILY
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 4.0
Sq. Ft.: 4,143
Stories: 1.0
Lot Size: 0.62 acres
Style: Single Family Residential
Year Built: 1989
Year Renovated: 1989
County: Contra Costa County
APN: 1930900251
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Alamo Elementary School
Public K-5 • Assigned • 1.1mi
10/10
Stone Valley Middle School
Public 6-8 • Assigned • 0.3mi
10/10
Monte Vista High School
Public 9-12 • Assigned • 2.1mi
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 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
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
$2.87M – $3.48M
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