K-One Design Build

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K-One Design Build We design structures that capture the vision and emotions of our clients and at the same time enhance the look and feel of the community.

Established in 1989, our family owned business focuses on design and build of commercial and residential structures.

A bedroom with a view.Project detail: this upper-level bedroom brings the lake into the room through its windows. What w...
10/20/2026

A bedroom with a view.

Project detail: this upper-level bedroom brings the lake into the room through its windows. What would your ideal bedroom overlook?

Follow K-One Design Build for more project details and transformations. Planning an addition or a new home on your existing lot in Arlington or McLean? Start here: https://www.k-onedesignbuild.com/survey

A different view as the day winds down.132 N Earley, Alexandria — Second Try photo series.The rear exterior at twilight ...
10/20/2026

A different view as the day winds down.

132 N Earley, Alexandria — Second Try photo series.

The rear exterior at twilight brings the house and outdoor gathering area into focus. Would you spend more time inside or out?

Follow for more views of 132 N Earley. Message us to learn more about the home.

New possibilities above the garage.Another transformation from our project archive: a before-and-after over-garage addit...
10/19/2026

New possibilities above the garage.

Another transformation from our project archive: a before-and-after over-garage addition. What room would you add if the opportunity were there?

Follow K-One Design Build for more project details and transformations. Planning an addition or a new home on your existing lot in Arlington or McLean? Start here: https://www.k-onedesignbuild.com/survey

A room to focus.132 N Earley, Alexandria — Second Try photo series.This staged office pairs a desk with natural light. H...
10/19/2026

A room to focus.

132 N Earley, Alexandria — Second Try photo series.

This staged office pairs a desk with natural light. How would you use a space like this?

Follow for more views of 132 N Earley. Message us to learn more about the home.

The outside details deserve attention too.This bump-out view shows the siding, window and roof meeting at the addition. ...
10/18/2026

The outside details deserve attention too.

This bump-out view shows the siding, window and roof meeting at the addition. Which exterior detail would you like to see more closely?

Follow K-One Design Build for more project details and transformations. Planning an addition or a new home on your existing lot in Arlington or McLean? Start here: https://www.k-onedesignbuild.com/survey

Another place to gather.132 N Earley, Alexandria — Second Try photo series.This finished lower-level living area offers ...
10/18/2026

Another place to gather.

132 N Earley, Alexandria — Second Try photo series.

This finished lower-level living area offers room for a different kind of evening. Movie night, games or conversation?

Follow for more views of 132 N Earley. Message us to learn more about the home.

You do not need a finished set of plans to start a useful construction conversation.For an addition or a new home on you...
10/18/2026

You do not need a finished set of plans to start a useful construction conversation.

For an addition or a new home on your own lot, bring what you have: the property address, a survey if available, the problems you want to solve, a working investment range and your timing.

The first conversation should clarify what needs to be verified and whether the project has a sensible next step.

If you want to keep your address but change the home, let us start there.

K-One Design & Build works with homeowners in Arlington and McLean who want an addition or a new home built on their existing lot so they can keep their address.

Tell us what your home needs to do better, or book a Project Fit Call:

Hours Mon: 8:00AM-5:00PM Tue: 8:00AM-5:00PM Wed: 8:00AM-5:00PM Thu: 8:00AM-5:00PM Fri: 8:00AM-5:00PM Sat: Closed Sun: Closed Privacy Policy

More space to enjoy the outdoors from inside.This room from our addition archive opens toward the patio. Would you use a...
10/17/2026

More space to enjoy the outdoors from inside.

This room from our addition archive opens toward the patio. Would you use a space like this for everyday meals, relaxing or entertaining?

Follow K-One Design Build for more project details and transformations. Planning an addition or a new home on your existing lot in Arlington or McLean? Start here: https://www.k-onedesignbuild.com/survey

A place for everything.132 N Earley, Alexandria — Second Try photo series.Built-in shelving makes this closet easy to pi...
10/17/2026

A place for everything.

132 N Earley, Alexandria — Second Try photo series.

Built-in shelving makes this closet easy to picture in everyday use. What would you organize first?

Follow for more views of 132 N Earley. Message us to learn more about the home.

A home with a clear sense of arrival.Project detail: this front exterior ties together the roofline, windows and entry. ...
10/16/2026

A home with a clear sense of arrival.

Project detail: this front exterior ties together the roofline, windows and entry. What style would you want for a new home on your existing lot?

Follow K-One Design Build for more project details and transformations. Planning an addition or a new home on your existing lot in Arlington or McLean? Start here: https://www.k-onedesignbuild.com/survey

Address

Great Falls, VA
22066

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

+18883275554

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