Loading…
Free planning tool
Estimate a professional deck project range by size, material and add-ons, then use the result to plan permits, financing and a written estimate with Loudoun Decks.
Base Deck (420 sqft × Trex Transcend)
$18,900 – $27,300
Northern Virginia Estimate (incl. 25-35% regional premium)
$23,625 – $36,855
Includes materials, labor, permits & cleanup
About this estimate
Based on 2026 Northern Virginia market rates from 200+ completed projects by Loudoun Decks. Actual costs vary by site conditions, HOA requirements, and design complexity. For an exact price, request a free on-site consultation.
Planning ranges are educational. Final pricing depends on field measurements, structure, access, permitting, HOA review, site conditions and selected materials.
Larger decks cost more, but complex shapes, picture-frame borders and multi-level layouts can matter as much as square footage.
Second-story and walkout-basement decks need taller posts, stairs, bracing, inspections and more labor than low ground-level layouts.
Pressure-treated wood has lower upfront cost. Trex, TimberTech and AZEK usually cost more initially but reduce maintenance and replacement risk.
Composite railings, cable railings, stair runs, landings and lighting often move a project from a basic deck to a premium outdoor living build.
County review, HOA architectural packages, drawings and inspection coordination affect both timeline and professional project cost.
Access, demolition, drainage, clay soil, footing depth, slope and ledger conditions can change the final written estimate.
Start with a realistic deck size and the material level you would actually consider. If you are comparing a low-maintenance outdoor living upgrade, run the estimate once with Trex Transcend and once with TimberTech AZEK, then compare the range with the deck payment estimator.
If your deck will be elevated, attached to the house, built on a slope, or connected to stairs, railings, lighting, a screened porch or outdoor kitchen, use the estimate as a starting point. The permit-ready scope should also account for footings, beam spans, joist spans and local inspection requirements.
For the most useful next step, send the estimate range with your photos, approximate dimensions and city through the deck estimate form. Loudoun Decks can turn the planning range into a scope that reflects your property, materials, approvals and timeline.
It gives a planning range based on common Northern Virginia deck sizes, materials and add-ons. A written estimate still requires site measurements, access review, structural conditions, permit scope, HOA needs and final material selections.
Deck pricing in Loudoun, Fairfax, Arlington and Prince William is affected by labor costs, permit review, HOA requirements, elevation, clay soil, footing conditions, composite material selection and inspection expectations.
The planning range is intended to reflect professional installed deck pricing with normal labor, materials, permits and cleanup. Unusual site conditions, engineering, demolition, roofs, kitchens or hot tubs can change the final scope.
Yes. The estimator includes common pressure-treated, cedar, Trex and TimberTech AZEK planning ranges so homeowners can compare wood, standard composite and premium PVC options.
Save the range, compare monthly payment options if needed, then request a professional estimate so Loudoun Decks can verify size, structure, access, permits, HOA requirements and material details.
Share your rough size, material preference, city and photos. Loudoun Decks will review the details and prepare the next step for a custom deck estimate.
Get a Deck EstimatePool Deck Design & Safety
Slip-resistant materials for Northern Virginia pools.
Stamped Concrete Patio Guide
Colors, patterns, and cost per square foot.
Under-Deck Ceiling Ideas
Dry-space solutions for multi-level decks.
Deck Repair & Structural Maintenance
Fixing rotted posts and failed inspections in Loudoun & Fairfax.
Deck Repair & Rot Prevention Guide
Surgical structural fixes for Northern Virginia homes.