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*The Angi rating for Deck Repair companies in Flandreau, SD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Deck Repair needs.

*The HomeAdvisor rating for Deck Repair companies in Flandreau, SD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Deck Repair needs.

Last update on June 24, 2026

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Avatar for JB Construction LLC.
JB Construction LLC.
5.0(
7
)
Deck or Porch - Repair

Serving Flandreau, SD and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"We had a great experience with JB construction , they built our deck exactly as we envisioned , we?re easy to work with and delivered quality craftsmanship, highly recommended them for any project"
deck door replacement
deck door replacement
19 neighbors recently requested a quote
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Avatar for Falls Finish Works LLC
Falls Finish Works LLC
5.0(
5
)
Deck or Porch - Repair

Serving Flandreau, SD and surrounding areas

In business since 2024

Free estimates

Credit card accepted

We pride our company on reliability, great communication, \nintegrity, and quality work. We are experts in our trade and will do our best \nto keep you as educated as we can on your particular task or project. We look forward to earning your business!\n

Drywall Repair
Drywall Repair
Drywall Repair
Drywall Repair
Drywall Repair

+1

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JBC Construction, LLC
5.0(
1
)
Deck or Porch - RepairDeck or Porch - Repair - For Business

Serving Flandreau, SD and surrounding areas

In business since 2015

Free estimates

Small jobs welcome

JBC Construction is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.\n\n

Recommended by100%of homeowners
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Deck Repair questions, answered by experts

Yes, it is possible to add an under-deck drainage system to an existing deck by retrofitting it to the structure. This process may require some prep work. For example, many drainage systems are installed on top of the deck joists, which would require you to remove the decking boards and railings first. To avoid this, you could opt for a below-the-joist drainage system. For best results and to ensure proper installation, it is recommended to consult a professional. A pro can inspect your deck, make any necessary repairs, and then install the drainage system correctly.

When building a deck, #2 grade lumber is a go-to for several reasons. It’s strong, budget-friendly, and works well for most framing and decking needs. But upgrading to #1 or Appearance Grade can give your deck that extra visual edge if you're after a cleaner, more polished look for high-visibility spots.

You do not have to dig footers for a deck as long as it meets local code and holds up to weather in your area. If you live somewhere that experiences high winds and earthquakes, you may need to dig for your deck posts. Deck blocks, post anchors with base plates, and helical pile systems are the three no-dig deck post options you can choose from if local code permits.

Expect to spend around $10,000 to $11,000 to replace a 20-by-20-foot deck. Using high-end materials like composite or exotic hardwoods can drive up the cost, as can custom features and design elements. You can also expect to pay more than average if your deck replacement requires a site evaluation or if you need the work done during the busy season.

When deciding if you should use 2x6 or 2x8 deck joists, consider the size of the deck, joist spacing, and materials. Larger decks, larger-spaced joists, and weaker wood all require more support, meaning they need larger joists. For example, 2x8 redwood joists spaced 16 inches apart can only safely span up to 10 feet and 7 inches. On the other hand, 2x10 southern pine joists spaced 12 inches apart can be as big as 16 feet and 2 inches. If you aren’t sure what size joist is best for your project, speak with your deck builder.

The Flandreau, SD homeowners’ guide to deck repair services

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