Montgomery County MD · Washington DC
Your custom home builder in Bethesda, Kensington, and Washington, DC.
More than 200 homes designed and built over 20 years in Montgomery County and Washington, DC. Build on your lot, or buy one of the new homes we build for sale.
Featured properties
Homes available, in development, and recently sold across DC and Maryland.
Custom Homes
Build Your Custom Home
Bring your architect's plans, a plan you bought online, or have us design your dream home. We build from any of them.
Start Your Build
Available & Coming Soon
Move-In-Ready Homes
A brand-new home you can tour and buy now, finished to the high-end standards DMV residents expect.
View Available HomesWe've been building in the DMV for over 20 years.
Most of our work is in Bethesda, Chevy Chase, Kensington, Potomac, and Northwest DC. We hold licenses in both Maryland and the District, and we have been fully licensed for custom home development work from the start.
What clients say
“It was not unusual to see Kevin personally working around the house putting in those final touches that makes the difference between good and excellent work product.”
“Of the builders that submitted a proposal and met our criteria, Colonial was chosen due to the proven track record and favorable building contract structure.”
“Open-book contractor… Kevin worked with us through the permitting process to ensure building and environmental requirements were met.”
How we work with you, step by step
- 01
Sit down with us
Bring your plans, ideas, budget range, expectations, and timeline.
- 02
Design it with us
A design agreement covers complete home design and every required permit.
- 03
Agree on the construction contract
With the design done and allowances discussed, the budget is set out in writing before work begins.
- 04
Stay ahead of every decision
A build schedule and a decisions schedule, so a choice in month four never stalls work in month five.
- 05
Watch it go up
A standing biweekly walkthrough, and Kevin working on your lot with the team.
- 06
Walk through and move in
A final walkthrough together, then the keys. Call us when anything needs attention.
Five ways to get you the right house
Custom Homes
On your lot or one we help you find, priced line by line from real subcontractor bids.
Explore custom homes 02Design-Build
One team carries your project from the first drawing through construction.
See how design-build works 03Home Additions
More room without moving: a full second story that doubles the bedrooms on the house you have.
Plan the addition 04Whole-Home Remodeling
Down-to-the-studs remodels built to the same standard as our new homes.
Walk a remodel 05Teardown & Rebuild
When the lot is right and the house is not, we remove it and build new on the same ground.
Evaluate your lot
Start the conversation
Tell us about your project.
A short conversation about your lot, your plans, and your timeline. If you would rather see finished work first, tour one of the homes we have for sale.