1642 Las Trampas Rd is a 2,729 square foot house on a 1.14 acre lot with 3 bedrooms and 3 bathrooms. Based on Redfin's Alamo data, we estimate the home's value is $2,421,156.
Single-familyProperty Type
1980Year Built
1.14 acresLot Size
$887Est. Price/Sq.Ft.
1 spaceParking
Source:Public Records
Redfin Estimate
$2,421,156
$26K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 1.6% higher than the average sale price ($2.38M) of 6 comparable homes.
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Mar 28, 2021
Listing Removed
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bridgeMLS, Bay East AOR, or Contra Costa AOR #40920247
Oct 22, 2020
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #40909706
Sep 3, 2020
Listing Removed
—
Year
Property tax
Land + Additions
Assessment*
2025
$13,088 (+2.1%)
$124,731 + $1,016,503
$1,141,234
2024
$12,820 (+1.6%)
$122,286 + $996,572
$1,118,858
2023
$12,620 (+0.8%)
$119,889 + $977,032
$1,096,921
2022
$12,526 (+2.2%)
$117,539 + $957,875
$1,075,414
2021
$12,257 (+1.4%)
$115,235 + $939,094
$1,054,329
2020
$12,088 (+1.1%)
$112,976 + $920,681
$1,033,657
2019
$11,954 (+3.9%)
$111,818 + $911,241
$1,023,059
2018
$11,507 (+3.8%)
$109,626 + $893,374
$1,003,000
2017
$11,087 (+1.3%)
$105,370 + $858,684
$964,054
2016
$10,950 (+1.3%)
$105,370 + $858,684
$964,054
2015
$10,812 (+1.3%)
$103,304 + $841,848
$945,152
2014
$10,668 (+1.2%)
$99,760 + $812,961
$912,721
2013
$10,543 (+3.1%)
$99,760 + $812,961
$912,721
2012
$10,228 (+1.9%)
$99,310 + $809,287
$908,597
2011
$10,038 (+1.3%)
$97,363 + $793,419
$890,782
2010
$9,910 (+17.1%)
$95,454 + $777,862
$873,316
2009
$8,462 (+3.5%)
$94,741 + $772,049
$866,790
2008
$8,177
$94,967 + $639,565
$734,532
Tax history for 1642 Las Trampas Rd
Year
Property tax
Land + Additions
Assessment*
2025
$13,088 (+2.1%)
$124,731 + $1,016,503
$1,141,234
2024
$12,820 (+1.6%)
$122,286 + $996,572
$1,118,858
2023
$12,620 (+0.8%)
$119,889 + $977,032
$1,096,921
2022
$12,526 (+2.2%)
$117,539 + $957,875
$1,075,414
2021
$12,257 (+1.4%)
$115,235 + $939,094
$1,054,329
2020
$12,088 (+1.1%)
$112,976 + $920,681
$1,033,657
2019
$11,954 (+3.9%)
$111,818 + $911,241
$1,023,059
2018
$11,507 (+3.8%)
$109,626 + $893,374
$1,003,000
2017
$11,087 (+1.3%)
$105,370 + $858,684
$964,054
2016
$10,950 (+1.3%)
$105,370 + $858,684
$964,054
2015
$10,812 (+1.3%)
$103,304 + $841,848
$945,152
2014
$10,668 (+1.2%)
$99,760 + $812,961
$912,721
2013
$10,543 (+3.1%)
$99,760 + $812,961
$912,721
2012
$10,228 (+1.9%)
$99,310 + $809,287
$908,597
2011
$10,038 (+1.3%)
$97,363 + $793,419
$890,782
2010
$9,910 (+17.1%)
$95,454 + $777,862
$873,316
2009
$8,462 (+3.5%)
$94,741 + $772,049
$866,790
2008
$8,177
$94,967 + $639,565
$734,532
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jun 11, 2020 • Final
Building - residential mechanical
Replace the air conditioning unit and coil in the backyard. The new system has a 14 SEER rating.
HVAC
Nov 4, 2019 • Final
Building - residential mechanical
Replace a heat pump, coil, and air handler.
Heat pump
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
Room Information
# of Rooms: 9
Exterior
Pool Information
Has Pool
Property Information
Living Sq. Ft: 2,729
Ground Floor Sq. Ft: 1,586
Building Sq. Ft: 2,729
# of Stories: 2
Legal Description: PARCEL MAP 39 PG 19 PCL B
Lot Information
# of Buildings: 1
Land Sq. Ft: 49,658
Acres: 1.14
Zoning Code: A-2
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 3.0
Sq. Ft.: 2,729
Stories: 2.0
Lot Size: 1.14 acres
Style: Single Family Residential
Year Built: 1980
Year Renovated: 1981
County: Contra Costa County
APN: 1982000190
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Rancho Romero Elementary School
Public K-5 • Assigned • 0.6mi
9/10
Stone Valley Middle School
Public 6-8 • Assigned • 1.3mi
10/10
San Ramon Valley High School
Public 9-12 • Assigned • 2.2mi
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
3/10 Fire Factor
0.62% chance of being in a wildfire in next 30 years
3/10 Heat Factor
9 days above 93° expected this year, 18 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
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
$2.30M – $2.79M
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