Questions to Ask a Deck or Fence Contractor

What Should You Ask a Deck or Fence Contractor?

Deck and fence construction is structural work that lives on your property for decades, so the questions you ask before hiring determine both the quality of construction and whether the project is done legally and safely. Here’s what matters.

Will You Pull the Required Permits?

Ask directly whether permits are required for your project and whether the contractor will pull them as part of the job. This is non-negotiable for decks and for fences in jurisdictions that require them. A contractor who says permits aren’t necessary when your municipality requires them, or who suggests you pull them yourself to save time, is either uninformed or avoiding the inspection that would catch their work. Permit inclusion should be confirmed in writing in the contract.

What Does the Quote Include?

Ask for an itemized scope: material and grade, footings (for decks), demolition of existing structures, railings and stairs, finishing, permit fees, and cleanup. Deck and fence quotes vary enormously in what’s included, and a lower total often reflects scope omissions rather than better pricing. Knowing exactly what’s covered, and what would trigger additional charges, makes comparison meaningful and prevents change orders after work begins. (For more on this, see Hidden Costs of Deck and Fence Installation.)

What Material Grade Are You Specifying?

For decks, ask the specific decking material and grade (which pressure-treated treatment type, which composite product and line). Composite varies enormously between entry-level and premium, and the warranty, appearance, and longevity differences are significant. For fences, ask the post size, the picket or panel thickness, and the hardware grade. Understanding what grade of material the quote covers lets you compare bids that may look similar but specify different quality levels.

Are You Licensed and Insured?

Confirm the contractor holds a current contractor’s license as required in your state, general liability insurance (in case of property damage during construction), and workers compensation for any employees. Deck construction involves structural work and elevated surfaces; insurance protects you if something goes wrong during installation. Licensed contractors are held to minimum standards; unlicensed operators have no such accountability. (For more on this, see What Affects the Cost of Deck and Fence Installation?.)

What’s the Warranty on Labor and Materials?

Ask about both the manufacturer warranty on materials (composite decking carries warranties up to 25 years from premium manufacturers) and the contractor’s warranty on installation labor (typically one to two years for labor defects). Understanding what each covers and the process for making a warranty claim gives you recourse if the deck boards fade prematurely or the fence posts fail within a reasonable period. (For more on this, see How Long Does Deck or Fence Installation Take?.)

What’s the Timeline, and What Could Extend It?

Ask for a realistic start date, estimated completion, and what circumstances would extend the schedule. Permit approval, material lead times (composite decking can have supply constraints), and weather all affect deck and fence timelines. Understanding the realistic schedule prevents frustration from an optimistic timeline that doesn’t account for these factors.

How to Evaluate the Answers You Get

Asking the right questions is useful; knowing how to evaluate the answers is essential. On permits, the right answer is clear and confident: the contractor knows what’s required in your municipality and pulls permits routinely. Any hedge (permits are probably not required, we can check later, some neighbors don’t bother) is a warning sign. On material specifications, a confident contractor names the products they use and explains the choices; vagueness about material grade or brand indicates either flexibility to downgrade during ordering or unfamiliarity with what they’re installing. On insurance, the right answer includes producing certificates without hesitation; a contractor who says they carry insurance but can’t provide a certificate quickly likely has a lapsed or minimal policy.

On warranty terms, the distinction between a material warranty and a labor warranty matters and a professional contractor understands both. A 25-year composite warranty doesn’t cover poor installation; a labor warranty covers installation defects for a defined period. A contractor who conflates these or who claims everything is covered without distinguishing is not being precise. Finally, on timeline, the honest answer includes permit approval time, material lead time, and a realistic construction schedule, not just the installation duration. A contractor who quotes a short timeline without accounting for permit approval is giving you an optimistic number that will generate frustration. Evaluating how contractors answer these questions, not just whether they provide an answer, reveals their experience, honesty, and professionalism as clearly as the technical content of the responses does.

Putting It Together

Permit inclusion, itemized scope, material grade, licensing and insurance, warranty terms, and realistic timeline distinguish professional contractors from those who cut corners. When you’re ready for quotes from qualified local pros, connect below.