All AZEK Decks Are 20% Off Right Now
Flexible financing available including no payments and no interest until 2027**
Alco Builds a Beautiful Outdoor Living Space for You
Create a high-quality deck for your home using AZEK boards.

Custom Decks & Outdoor Living Spaces Built for Washington DC, Maryland & Northern VA Homes
Want to extend your home’s living space to the outdoors? Alco Products installs custom decks and pergolas that bring beauty and value to properties throughout Washington, D.C., Maryland, and Northern Virginia. With more than 65 years of experience and a Platinum-level certification from AZEK®, Alco has earned the trust of clients who demand the very best.
Why DC Metro Homeowners Choose Us As Their Outdoor Living Contractor
Family-Owned, Locally Loved Since 1956
Alco Products has been a family-owned and operated company for three generations, proudly serving the DC metro area. We’ve earned a sterling reputation for top-notch craftsmanship and customer care over the years. Our team understands the local climate challenges, codes, and historic remodeling requirements unique to neighborhoods like Capitol Hill.
AZEK® Platinum Contractor for Composite Decking
Alco Products specializes in installing premium AZEK® composite decks, which are renowned for their longevity, beauty, and low-maintenance performance. We install to the highest standards and back every project with a limited lifetime labor warranty.
A Smooth Deck Installation Process with Design Support
From the first consultation to the final walkthrough, we ensure a straightforward and hassle-free deck replacement or installation experience. Clients receive custom design renderings to visualize the space before construction starts. Dedicated project managers oversee every detail as projects progress.
Washington D.C. Deck Company

This respected manufacturer makes some of the highest-performing decking on the market, and our installation professionals are pleased to equip your home with it.
Custom Deck and Pergola Installation Services
AZEK® Composite Deck Installation
The AZEK® decks we install are engineered to withstand DC’s weather extremes without warping, fading, or splintering. Homeowners can choose from a variety of rich woodgrain finishes and contemporary tones to complement their exterior aesthetic.
Azenco Pergolas and Outdoor Shade Structures
If you want a stylish shade for patios, pool areas, or custom decks, Alco Products installs Azenco pergolas with motorized louvered roofs featuring smart control. These structures elevate your outdoor living experience and keep you cool.
Designed with History in Mind
Because many of our clients live in historic districts, our deck designs comply with local homeowner association and preservation guidelines, including those for Capitol Hill. We’ll give you renderings to help get your project approved ASAP.
Highly Certified & Experienced Decking Company
Award-Winning Contractor
As decking, siding, and window contractors, our dedication to premium services has helped us earn multiple recognitions, including a “Golden Hammer Award” and our spot in the Top 500 Qualified Remodeler List. We’re also a four-time recipient of the NARI Metro/D.C. Chapter “Contractor of the Year” award.
Certified & Licensed Experts
With Alco, you’ll find a team of professionals who are licensed, bonded, and insured to do the work. Our decking contractors are AZEK TimberTech Platinum Contractors who are trained in the proper installation of these highly regarded products.
Lasting Labor Warranty
We stake our reputation on building beautiful, high quality outdoor decks in Washington D.C. That’s why Alco backs up our work with an industry-leading lifetime labor warranty. Your investment in a deck installation is well protected by our company.
Recent Decking Projects Across the DC Metro
Alco Products’ gallery of completed decks and pergolas showcases work in Bethesda, Arlington, and across the DC metro area. Each project showcases our attention to detail and ability to integrate seamlessly with the home’s architecture. Explore design possibilities!
Alco’s Proven Deck Building Process
Step 1 – Personalized consultation
Each deck installation project begins with an in-home consultation during which we listen to your goals as a homeowner, assess your space, and present tailored design ideas.
Step 2 – Custom renderings and transparent proposal
Before construction starts, our clients receive 3D renderings to visualize their proposed deck design. We explain materials, finishes, and timelines.
Step 3 – Permitting, installation, and clean finish
Alco handles permitting, homeowner association submissions, and daily site cleanup. A dedicated project manager ensures professionalism and clear communication throughout the project. Most deck builds are completed in four to six weeks.
Trusted Throughout the DMV Area for Outdoor Living Transformations
Homeowners across the metro Washington, DC area rely on Alco Products for outdoor living upgrades, rating us highly for our service and results. We’ve earned Contractor of the Year recognition from the National Association of the Remodeling Industry and have been named as a Top 500 Remodeler.
Request a Free Deck Consultation
Flexible financing is available! Call (301) 593-1691 or complete the online form to schedule a free deck installation estimate with Alco Products.
Previous Deck Additions

Washington, D.C. Area Exterior Remodelers
As the leading window, door, and roofing company in the greater Washington D.C. area, Alco Products Company Inc. knows a thing or two about remodeling.
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