Your Vision, Masterfully Built.

Transforming D.C. and Maryland homes with award-winning design and seamless construction for over 20 years.

Whole Home Renovations
Home Additions
Kitchen Remodeling
Bathroom Remodeling

Basement Remodeling
Interior Remodeling
Pop-Up Additions
Row Home Renovations

SERVICES

Complete Design-Build Transformation

Hammer streamlines the remodeling experience by bringing award-winning architects and master craftsmen under one roof. We manage every detail of your renovation from the initial concepts to the final coat of paint. We ensure a stress-free process and a result that reflects your unique lifestyle.

Whole-Home Transformations

Architectural Kitchens & Baths

Integrated Project Management

ABOUT US

Meet the team dedicated to helping you love where you live.

As a family-oriented firm, we understand that we are working in your home. That’s why we’ve spent two decades perfecting a process that prioritizes transparent communication, architectural integrity, and master-level craftsmanship. Our award-winning team brings a deep understanding of local architecture and a commitment to excellence that has earned us a reputation as one of the region’s most trusted remodelers.

Award-Winning Service: Recognized for excellence in design and customer satisfaction.
A Personal Touch: We treat every renovation as if it were for our own family.
Total Accountability: One team, one contract, and one high standard for every project.

Masterful Remodels Across D.C. & Maryland

No matter the size of your project, our team is dedicated to delivering quality, beauty, and functionality that stand the test of time.

Steps

01 Initial Consultation

We begin by listening. We meet with you to discuss your vision, lifestyle needs, and budget. This step ensures we have a clear understanding of your goals before a single line is drawn.

02 Architectural Design & Planning

Our in-house design team brings your vision to life with detailed architectural plans and 3D renderings. We refine every detail until the plan is perfect.

03 Pre-Construction & Permitting

No surprises here. We handle all the "heavy lifting" behind the scenes, including D.C./Maryland permitting, engineering, and material procurement, so your project stays on schedule and compliant.

04 Seamless Build & Project Completion

Our skilled craftsmen and project managers take over to turn the blueprints into reality. We maintain a clean, organized job site and provide constant communication until the final walkthrough of your beautiful new space.

OUR TEAM

The Experts Behind Your Transformation

Greg Buitrago

President

Johanna Nguyen

Director of Design + Construction

Doug Klee

Senior Designer

Santiago Hernandez

Senior Project Manager

Nelson Narvaez

Field Supervisor

Barbara Buitrago

Accounting Associate

Great remodeling requires a synchronized team of specialists. Led by President Greg Buitrago, Hammer brings together top architectural designers, project managers, and craftsmen to work as a single unit. By keeping our expertise in-house, we eliminate the communication gaps common in traditional renovations—ensuring your project stays on schedule, on budget, and true to your vision.

Expert Design Leadership

Under the direction of Johanna Nguyen (Director of Design + Construction) and Doug Klee (Senior Designer), we ensure every architectural detail is both beautiful and structurally sound.

Strategic Project Management

Led by Senior Project Manager Santiago Hernandez, our field team manages every trade, permit, and timeline to ensure a seamless "on-site" experience from start to finish.

Family-Owned Integrity

As a family-oriented company, we treat your home like our own. Our culture, anchored by accountability and transparency, is what has earned us 20+ years of trust in the D.C. area.

Testimonials

What do Homeowners Say About Hammer?

A Washington DC Remodel Success Story

"We felt like we were working with one consolidated team throughout the entire process. We knew exactly what to expect along the way and that made us give us comfort...We weren't living with anxiety."

- Matt Bosserman

Long Awaited Bethesda Kitchen Done Right

"We would recommend them and our experience was very good, so yeah, I don't know that it gets better than that. I mean, I've done a bunch of kitchens and a bunch of bathrooms."

- Percy Bennett

1918 Home Renovation With Lasting Impact

“The quality of the work is just like every detail of the house, the trim, the floor, it's just so well done and yeah we couldn't be happier with it.”

- Louisa Powell

Frequently Asked Question

What makes Hammer Design Build Remodel different from other contractors n Washington, D.C.?

Hammer operates as a design build firm— meaning our in-house architects, designers, and craftsmen work together from concept to completion. Unlike traditional general contractors, we manage the entire process under one roof, giving you a seamless experience, predictable timelines, and transparent communication.

Do you provide whole home renovations in Bethesda and Chevy Chase?

Yes. Our whole home renovations transform 50% or more of a home’s living space, making them ideal for properties in Bethesda, Chevy Chase, and surrounding Montgomery County neighborhoods. Whether you’re reconfiguring a historic home or adding modern finishes, our team specializes in creating cohesive, high-value designs.

How much should I budget for a kitchen remodel in Washington, D.C.?

Every project is unique, but setting a clear budget is key. Explore our guide on kitchen remodel cost planning for practical ranges and factors that influence pricing in the D.C. market. From small kitchen remodel ideas to full custom kitchen designs, Hammer’s team tailors plans to maximize your investment.

Do you handle bathroom remodeling projects of all sizes?

Absolutely. We offer bathroom remodeling for everything from compact powder rooms to luxury spa-like master suites. For inspiration, browse our blog posts on walk-in shower ideas, bathroom lighting, or modern bathroom decoration.

What areas do you serve besides Washington, D.C.?

Our primary service areas include Northwest Washington, D.C., and Southern Montgomery County, Maryland. This covers Bethesda, Chevy Chase, Potomac, Silver Spring, Gaithersburg, and Cabin John. For exterior remodeling like windows, siding and roofing replacements, our reach extends into Northern Virginia and additional Maryland counties.

How do I get started with a remodeling project?

The first step is a complimentary consultation with our team. We’ll discuss your goals, budget, and vision before preparing a tailored design agreement with detailed plans and renderings. Explore our about page to learn more about our process, or view our portfolio of past projects across D.C. and Montgomery County. When you’re ready, schedule a consultation and let’s start designing your dream home.