This mid century custom built home on a flat half acre on one of westside Alamo's most desirable streets has been owned by one family since 1963. It's now ready for a new owner who has a vision to transform this property into an awesome family residence for the next generation to grow and build incredible family memories. It's a blank canvas ready for your creative genius to make this new home the talk and envy of the entire neighborhood! You're going to want to see it this week! Open Saturday and Sunday 1:30-4:00
Single-familyProperty Type
1963Year Built
0.5 acresLot Size
$1,281Est. Price/Sq.Ft.
2 car garageParking
Listed by John Heywood•DRE #01765306• Coldwell Banker
Bought with John Heywood•DRE #01765306• Coldwell Banker
bridgeMLS, Bay East AOR, or Contra Costa AOR #41110142
Oct 14, 2025
Sold
$2,100,000
$952/sq ft
Sep 25, 2025
Pending
—
Sep 15, 2025
Listed
$1,699,000
$771/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$2,743 (+2.3%)
$2,000,000 + $100,000
$2,100,000
2024
$2,681 (+2.0%)
$39,769 + $116,476
$156,245
2023
$2,629 (+0.7%)
$38,990 + $114,193
$153,183
2022
$2,610 (+2.5%)
$38,226 + $111,954
$150,180
2021
$2,546 (+4.9%)
$37,477 + $109,759
$147,236
2020
$2,427 (+0.8%)
$36,743 + $107,607
$144,350
2019
$2,409 (+7.4%)
$36,367 + $106,504
$142,871
2018
$2,243 (+4.2%)
$35,654 + $104,416
$140,070
2017
$2,153 (+2.6%)
$34,270 + $100,362
$134,632
2016
$2,099 (+2.3%)
$34,270 + $100,362
$134,632
2015
$2,052 (+2.4%)
$33,599 + $98,395
$131,994
2014
$2,004 (+2.3%)
$32,447 + $95,020
$127,467
2013
$1,958 (+3.8%)
$32,447 + $95,020
$127,467
2012
$1,886 (+2.9%)
$32,301 + $94,591
$126,892
2011
$1,833 (+2.4%)
$31,668 + $92,737
$124,405
2010
$1,789 (−0.1%)
$31,048 + $90,919
$121,967
2009
$1,791 (+5.4%)
$30,816 + $90,240
$121,056
2008
$1,700
$30,890 + $90,455
$121,345
Tax history for 1570 Las Trampas
Year
Property tax
Land + Additions
Assessment*
2025
$2,743 (+2.3%)
$2,000,000 + $100,000
$2,100,000
2024
$2,681 (+2.0%)
$39,769 + $116,476
$156,245
2023
$2,629 (+0.7%)
$38,990 + $114,193
$153,183
2022
$2,610 (+2.5%)
$38,226 + $111,954
$150,180
2021
$2,546 (+4.9%)
$37,477 + $109,759
$147,236
2020
$2,427 (+0.8%)
$36,743 + $107,607
$144,350
2019
$2,409 (+7.4%)
$36,367 + $106,504
$142,871
2018
$2,243 (+4.2%)
$35,654 + $104,416
$140,070
2017
$2,153 (+2.6%)
$34,270 + $100,362
$134,632
2016
$2,099 (+2.3%)
$34,270 + $100,362
$134,632
2015
$2,052 (+2.4%)
$33,599 + $98,395
$131,994
2014
$2,004 (+2.3%)
$32,447 + $95,020
$127,467
2013
$1,958 (+3.8%)
$32,447 + $95,020
$127,467
2012
$1,886 (+2.9%)
$32,301 + $94,591
$126,892
2011
$1,833 (+2.4%)
$31,668 + $92,737
$124,405
2010
$1,789 (−0.1%)
$31,048 + $90,919
$121,967
2009
$1,791 (+5.4%)
$30,816 + $90,240
$121,056
2008
$1,700
$30,890 + $90,455
$121,345
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Public record
Permits
Beds
3
Baths
3
Stories
1
Lot width
—
Lot depth
—
Lot size
0.5 Acres
Year renovated
1963
Sq. Ft.
2,205
Year built
1963
Style
Single Family Residential
County
Contra Costa County
APN
1982520163
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 13, 2026.
Jun 7, 2010 • Final
Building - residential re-roof
Tear off the existing wood shake roof and install new asphalt shingles.
Roofing
Jan 30, 2010 • Final
Building - residential mechanical
Replace the furnace.
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 information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2025. This data may not match public records. Learn more.