2130 Las Trampas Rd is a 9,884 square foot house on a 6.78 acre lot with 8 bedrooms and 8 bathrooms. - it last sold on October 11, 1991 for $800,000. Based on Redfin's Alamo data, we estimate the home's value is $8,773,927.
Single-familyProperty Type
1995Year Built
6.78 acresLot Size
$888Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$8,773,927
$8.0M since sold in October 1991$1.0M since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 94.6% higher than the average sale price ($4.51M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #10237573
Aug 22, 1997
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #27237573
Jul 19, 1997
Listing Removed
—
Public Records
Oct 11, 1991
Sold
$800,000
$81/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$84,639 (+3.2%)
$1,425,111 + $6,168,410
$7,593,521
2025
$81,990 (+2.0%)
$1,425,111 + $6,168,410
$7,593,521
2024
$80,384 (+1.5%)
$1,397,168 + $6,047,461
$7,444,629
2023
$79,201 (+0.3%)
$1,369,773 + $5,928,884
$7,298,657
2022
$78,936 (+2.1%)
$1,342,915 + $5,812,632
$7,155,547
2021
$77,286 (+0.7%)
$1,316,584 + $5,698,659
$7,015,243
2020
$76,735 (+1.2%)
$1,290,769 + $5,586,921
$6,877,690
2019
$75,845 (+3.9%)
$1,277,534 + $5,529,634
$6,807,168
2018
$73,023 (+3.7%)
$1,252,485 + $5,421,210
$6,673,695
2017
$70,390 (+1.0%)
$1,203,850 + $5,210,699
$6,414,549
2016
$69,681 (+1.1%)
$1,203,850 + $5,210,699
$6,414,549
2015
$68,925 (+1.2%)
$1,180,246 + $5,108,529
$6,288,775
2014
$68,125 (+1.0%)
$1,139,746 + $4,933,230
$6,072,976
2013
$67,446 (+3.5%)
$1,139,746 + $4,933,230
$6,072,976
2012
$65,136 (+1.7%)
$1,134,595 + $4,910,935
$6,045,530
2011
$64,039 (+1.1%)
$1,112,349 + $4,814,643
$5,926,992
2010
$63,361 (−0.1%)
$1,090,539 + $4,720,239
$5,810,778
2009
$63,447 (+3.0%)
$1,082,389 + $4,684,962
$5,767,351
2008
$61,576
$1,084,961 + $4,696,092
$5,781,053
Tax history for 2130 Las Trampas Rd
Year
Property tax
Land + Additions
Assessment*
2026
$84,639 (+3.2%)
$1,425,111 + $6,168,410
$7,593,521
2025
$81,990 (+2.0%)
$1,425,111 + $6,168,410
$7,593,521
2024
$80,384 (+1.5%)
$1,397,168 + $6,047,461
$7,444,629
2023
$79,201 (+0.3%)
$1,369,773 + $5,928,884
$7,298,657
2022
$78,936 (+2.1%)
$1,342,915 + $5,812,632
$7,155,547
2021
$77,286 (+0.7%)
$1,316,584 + $5,698,659
$7,015,243
2020
$76,735 (+1.2%)
$1,290,769 + $5,586,921
$6,877,690
2019
$75,845 (+3.9%)
$1,277,534 + $5,529,634
$6,807,168
2018
$73,023 (+3.7%)
$1,252,485 + $5,421,210
$6,673,695
2017
$70,390 (+1.0%)
$1,203,850 + $5,210,699
$6,414,549
2016
$69,681 (+1.1%)
$1,203,850 + $5,210,699
$6,414,549
2015
$68,925 (+1.2%)
$1,180,246 + $5,108,529
$6,288,775
2014
$68,125 (+1.0%)
$1,139,746 + $4,933,230
$6,072,976
2013
$67,446 (+3.5%)
$1,139,746 + $4,933,230
$6,072,976
2012
$65,136 (+1.7%)
$1,134,595 + $4,910,935
$6,045,530
2011
$64,039 (+1.1%)
$1,112,349 + $4,814,643
$5,926,992
2010
$63,361 (−0.1%)
$1,090,539 + $4,720,239
$5,810,778
2009
$63,447 (+3.0%)
$1,082,389 + $4,684,962
$5,767,351
2008
$61,576
$1,084,961 + $4,696,092
$5,781,053
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
May 6, 2021 • Final
Building - residential plumbing
Install a new water heater.
Plumbing
Water heater
Aug 27, 2015 • Final
Building - residential electrical
Install an electrical outlet and an electric vehicle charger.
Electrical
Ev charger
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: 20
Exterior
Pool Information
Has Pool
Property Information
Living Sq. Ft: 9,884
Ground Floor Sq. Ft: 5,187
Building Sq. Ft: 9,884
# of Stories: 2
Legal Description: T6419 L5 6.78 AC
Parking & Garage Information
Garage/Parking Sq. Ft: 1,607
Lot Information
# of Buildings: 2
Land Sq. Ft: 295,337
Legal Lot Number: 5
Acres: 6.78
Zoning Code: A-2
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 8
Baths: 8.0
Sq. Ft.: 9,884
Stories: 2.0
Lot Size: 6.78 acres
Style: Single Family Residential
Year Built: 1995
Year Renovated: 1997
County: Contra Costa County
APN: 1982200196
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Rancho Romero Elementary School
Public K-5 • Assigned • 1.3mi
9/10
Stone Valley Middle School
Public 6-8 • Assigned • 1.9mi
10/10
San Ramon Valley High School
Public 9-12 • Assigned • 2.8mi
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
2/10 Heat Factor
7 days above 93° expected this year, 15 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
8/10 Air Factor
14 unhealthy days expected this year, 15 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
82
56
86
58
81
59
71
52
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
$8.34M – $10.09M
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