NOT LISTED FOR SALE

1570 Las Trampas Rd Alamo, CA 94507

Alamo Area

Estimated Value: $2,173,550

3 Beds
2.5 Baths
2,205 Sq Ft
$986/Sq Ft Est. Value

Sale Details

Date Sold: October 14, 2025

Last sale price $2,100,000 $952 Per Sq Ft

Est. 4% increase in value since last sale

Current estimated payment $12,500 / mo

10 Days on Market

Highlights

  • RV Access or Parking
  • Custom Home
  • Family Room with Fireplace
  • Rancho Romero Elementary School Rated 9+
  • Private Lot
  • Wood Flooring

About This Home

As of October 2025

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

Last Agent to Sell the Property

John and Liz Heywood

Coldwell Banker License #01765306 Listed on: 09/15/2025

Coldwell Banker

Last Buyer's Agent

John and Liz Heywood

Coldwell Banker License #01765306 Listed on: 09/15/2025

Coldwell Banker

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
Collateral Analytics

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Average Value
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List Price
Sold Price
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Home Details

Home Type

  • Single Family

Year Built

  • Built in 1963

Lot Details

  • 21,700 Sq Ft Lot
  • Private Lot
  • Premium Lot
  • Level Lot
  • Back and Front Yard

Parking

  • 2 Car Detached Garage
  • Side Facing Garage
  • Parking Lot
  • Off-Street Parking
  • RV Access or Parking

Home Design

  • Custom Home
  • Brick Exterior Construction
  • Frame Construction
  • Composition Shingle Roof

Interior Spaces

  • 1-Story Property
  • Bay Window
  • Family Room with Fireplace
  • 2 Fireplaces
  • Living Room with Fireplace

Kitchen

  • Built-In Oven
  • Electric Cooktop
  • Tile Countertops

Flooring

  • Wood
  • Linoleum

Bedrooms and Bathrooms

  • 3 Bedrooms

Laundry

  • Laundry Room
  • Washer and Dryer Hookup

Utilities

  • Forced Air Heating and Cooling System
  • 220 Volts in Kitchen
  • Gas Water Heater

Community Details

  • No Home Owners Association
  • West Side Alamo Subdivision

Home Details

Home Type

Single Family

Year Built

Built in 1963

Lot Details

0.5 Acres

Parking

2

Listing Details

  • Stories: 1
  • Year Built: 1963
  • Property Sub Type: Detached
  • Prop. Type: Residential
  • Subdivision Name: West Side Alamo
  • Directions: DANVILLE BLVD TO LAS TRAMPAS
  • Architectural Style: Custom
  • Garage Yn: Yes
  • Unit Levels: One Story
  • New Construction: No
  • Special Features: None

Interior Features

  • Flooring: Hardwood, Linoleum, Other
  • Appliances: Electric Range, Oven, Gas Water Heater
  • Full Bathrooms: 2
  • Total Bedrooms: 3
  • Fireplace Features: Family Room, Living Room
  • Fireplaces: 2
  • Fireplace: Yes
  • Window Features: Bay Window(s)
  • Room Kitchen Features: 220 Volt Outlet, Tile Counters, Electric Range/Cooktop, Oven Built-in

Exterior Features

  • Roof: Composition Shingles
  • Lot Features: Level, Premium Lot, Back Yard, Front Yard, Pool Site, Private
  • Pool Features: None
  • Pool Private: No
  • Construction Type: Brick, Frame
  • Property Condition: Existing

Garage/Parking

  • Garage Spaces: 2
  • Parking Features: Detached, Off Street, RV/Boat Parking, Parking Lot, Garage Faces Side, RV Access/Parking, RV Possible, RV Storage

Utilities

  • Heating: Forced Air
  • Cooling: Central Air
  • Laundry Features: Hookups Only, Laundry Room
  • Cooling Y N: Yes
  • Heating Yn: Yes
  • Electric: No Solar, 220 Volts in Kitchen

Condo/Co-op/Association

  • Association: No

Schools

  • Senior High School District: San Ramon Valley (925) 552-5500

Lot Info

  • Lot Size Sq Ft: 21700

Ownership History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Name Owned For Owner Type

Purchase Details

Listed on
Sep 15, 2025
Closed on
Sep 25, 2025
Sold by
Thomson Christa A and Thomson Keith Ian
Bought by
Seller's Agent
John and Liz Heywood
Coldwell Banker
Buyer's Agent
John and Liz Heywood
Coldwell Banker
List Price
$1,699,000
Sold Price
$2,100,000
Premium/Discount to List
$401,000
23.6%
Views
43
Current Estimated Value
$2,173,550

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
$73,550
Avg. Annual Appreciation
3.81%

Purchase Details

Closed on
Jul 24, 2018
Sold by
Thomson Christa A and Thomson Christie
Bought by
Thomson Christa A and Thomson Keith Ian

Purchase Details

Closed on
Oct 17, 1995
Sold by
Thomson Ian and Thomson Helen
Bought by
Thomson Ian and Thomson Helen
Source: Public Records

Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Agents Specializing in Alamo, CA

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Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Buyer Sale Price Title Company
$2,100,000 Chicago Title
Thomson Christa A -- None Available
Thomson Ian -- --
Thomson Ian -- --
Source: Public Records

Property History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Event Price List to Sale Price per Sq Ft
10/14/2025 10/14/25 Sold $2,100,000 +23.6% $952 / Sq Ft
09/25/2025 09/25/25 Pending -- -- --
09/15/2025 09/15/25 For Sale $1,699,000 -- $771 / Sq Ft
Source: Contra Costa Association of REALTORS®

Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2026 $2,743 $2,100,000 $2,000,000 $100,000
2025 $2,743 $156,245 $39,769 $116,476
2024 $2,629 $153,183 $38,990 $114,193
2023 $2,629 $150,180 $38,226 $111,954
2022 $2,610 $147,236 $37,477 $109,759
2021 $2,546 $144,350 $36,743 $107,607
2019 $2,409 $140,070 $35,654 $104,416
2018 $2,243 $137,324 $34,955 $102,369
2017 $2,153 $134,632 $34,270 $100,362
2016 $2,100 $131,994 $33,599 $98,395
2015 $2,053 $130,013 $33,095 $96,918
2014 $2,005 $127,467 $32,447 $95,020
Source: Public Records

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Map

Source: Contra Costa Association of REALTORS®

MLS Number: 41110142

Contra Costa Association of REALTORS®

APN: 198-252-016-3

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