Deck repair and replacement in Fort Collins
Help for decks that have shifted, softened or loosened, from a targeted fix to a full rebuild on new piers.
Deck repair in Fort Collins usually starts with a deck that has moved: a pier lifted by clay, a ledger pulling away, or stairs that rock. Homeowners across Fort Collins, Loveland and Windsor can get connected with a contractor who will tell them whether the deck can be fixed safely or should come down and be replaced.
What usually goes wrong?
- Piers heaved or tipped by swelling clay
- Ledger fastened with nails or without flashing
- Joist tops soft under old board seams
- Posts set in dirt, or untreated near grade
- Stair stringers loose at the top connection
- Guard posts notched and fastened too lightly
- Corroded hangers and fasteners
- Boards split, cupped or crumbling at screws
Why decks here wear out the way they do
Northern Colorado's soil and weather work on a deck from both directions. From below, expansive clay rises when wet and drops when dry; the Colorado Geological Survey lists ponding water and irrigation near foundations among the causes of damage. From above, strong sun, low humidity and freeze-thaw dry out wood and loosen fasteners. Many homes in Fort Collins' 1970s to 1990s subdivisions still have their first deck, often on shallow footings that wouldn't pass today's 30-inch depth for attached decks.
Repair or replace?
| Usually repairable | Usually time to replace |
|---|---|
| A few soft boards or one damaged joist | Rot spread through many joists or the beam |
| One pier that moved, with sound framing | Most piers shallow, tipped or missing |
| Loose rail posts that can be re-blocked | A ledger that was never bolted or flashed |
| Stairs that need new stringers | A layout you'd change anyway |
Repairs need permits too
The Fort Collins deck guide lists replacing joists, posts, beams or stairs and replacing guard railing as work that needs a permit, not only new decks. That protects you when you sell, because an inspector has looked at the structure. If you're in Loveland, Windsor, Timnath, Wellington or unincorporated Larimer County, check that jurisdiction's rules; the Larimer County deck guide has the details.
When to stop using the deck
Rail moves or a board gave way? Rope off that section and keep people off until someone has looked underneath. Guard and ledger failures happen suddenly and usually with people on the deck.
What affects the price?
- How much of the structure has to come out to reach the damage
- New piers, especially if old footings must be removed
- Matching existing boards or switching materials
- Permits and inspections for structural repairs
- Disposal of old lumber
Expect the contractor to quote only after getting under the deck. We don't quote repairs.
Towns where we can connect you
Common questions
Why did my deck pier lift?
In much of Fort Collins, the likely cause is clay that swells when wet, often from downspouts or sprinklers emptying near the pier, combined with a footing that is shallower than today's rules.
Do I need a permit to replace deck joists?
In Fort Collins, yes. The city deck guide lists replacing joists, posts, beams, stairs and guard railing as permit work.
Can I keep the frame and just replace boards?
If the joists, ledger and piers are sound, often yes. A permit is needed in the city if the new decking is heavier than the old.
How long does a deck rebuild take?
It varies with size, permits and weather. Ask the contractor for a schedule that includes plan review and each inspection.
Related services
Permits, frost depth and soils: Larimer County deck guide.
Ready to talk through a new deck or a repair?
Call and we'll connect you with a contractor who works in your part of Northern Colorado.