Deck Building in DC, Maryland & Virginia
Add outdoor living space and home value with a custom-built deck. Cornerstone Builders & Design designs and constructs decks that fit your home, yard, and lifestyle.
What We Do
Ground-level decks, elevated decks, multi-level designs, wraparound decks, and pool decks. We handle structural engineering, permits, and construction.
Materials & Options
Pressure-treated lumber, cedar, Trex composite, TimberTech, and Azek PVC decking. Built-in benches, lighting, pergolas, and cable railing available.
What to Expect
Free design consultation with 3D renderings. Most deck builds take 1–3 weeks depending on size and complexity. All work is permitted and inspected.
Our Process for This Service
Free In-Home Assessment
We visit your home to understand your space, discuss your needs, and answer any questions.
Detailed Design Proposal
Our designers create custom 3D renderings and provide detailed specifications and cost estimates.
Professional Installation
Our certified installers execute the project with precision, quality materials, and expert craftsmanship.
Quality Inspection & Cleanup
Final walkthrough, testing, and thorough cleanup ensure your project exceeds expectations.