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Building a deck, addition, or outbuilding? We install concrete footings in Missoula that go deep enough to beat the frost, pass city inspection, and keep your structure level for decades.
Concrete footings in Missoula start with utility locating through Montana 811, then excavation below the frost line - often 36 to 48 inches deep in this valley - then forming, rebar placement, a city inspection, and the pour. Most residential footing jobs take one to three days of active work, followed by several days of curing before you can build on top.
Missoula's cold winters are the main factor that separates footing work here from warmer markets. The ground can freeze deep enough to push a shallow footing upward over repeated winters - a process called frost heave - and it happens gradually enough that homeowners often blame the structure above before realizing the problem started below grade. Any structure that needs a solid concrete base above and below grade can be paired with our foundation installation service for a complete below-grade solution.
Call (406) 317-4988 - we respond within 1 business day and visit your site before quoting. Every estimate includes the planned depth and number of footings in writing.
These signs often point to footing problems that get worse with each Missoula freeze-thaw cycle.
If your deck posts are no longer plumb - they lean instead of standing straight - the footings underneath may have shifted. In Missoula, this often happens after several freeze-thaw cycles have pushed shallow footings upward over the years. This is not just cosmetic; a leaning post means the structure is no longer carrying its load the way it was designed to.
When a footing settles or shifts, the framing above it moves too - and the first place you notice it is a door or window that no longer opens and closes smoothly. If this is happening in a structure that was fine before, and humidity is not the cause, the footing below deserves a look.
Horizontal or stair-step cracks near the bottom of a foundation wall can signal that the footing below is no longer doing its job. Missoula's clay-heavy soils in some areas expand when wet and contract when dry, putting pressure on footings over time. Cracks that are widening or have a gap you can fit a finger into warrant a professional opinion.
Any new structure that will be attached to your home or carry significant weight needs proper footings before framing begins. In Missoula, where frost depth is substantial, getting this right from the start is far less expensive than fixing a settled structure later. This is not a sign of an existing problem - it is the right time to call before one develops.
We handle everything from the Montana 811 utility locate call through backfill and final handoff. Before any digging starts, we confirm underground lines are marked. We excavate to the required frost depth - in Missoula that means going well past where most of the country stops - set up forms, place rebar where the project calls for it, and schedule the city inspection before the pour. That inspection is the step that protects you: an independent inspector verifies depth and placement while you can still see it. After the pour, we manage the curing period and backfill once the footing is ready to build on. For projects that also need a continuous slab at grade, slab foundation building can be scoped together with footings on the same project schedule.
We pull every required City of Missoula building permit, keep a copy of the inspection record for your files, and walk you through the completed work so you know exactly what was done and when it is safe to proceed with framing. Older homes in Missoula neighborhoods like the University District and Rattlesnake sometimes have buried debris or previous concrete that is not on any map - we call 811 on every job and adjust if we find surprises, rather than charging you after the fact. When a project also requires full below-grade structural walls, foundation installation handles that scope.
For homeowners building or rebuilding a deck, porch, or covered outdoor structure that needs frost-depth footings.
Right for room additions, sunrooms, or garage expansions that attach to an existing Missoula home.
Suits new detached garages, workshops, and carriage houses that need a properly inspected footing before framing.
For sheds, ADUs, and outbuildings that require a permitted foundation under Missoula building code.
For older Missoula structures where existing footings have heaved, cracked, or were never installed correctly.
For shoulder-season projects where we use insulating blankets and adjusted mixes to protect the cure in marginal temperatures.
Missoula sits in the Clark Fork River valley where soils vary by neighborhood. Some areas - particularly near the river corridor - have loose, alluvial ground that requires wider footings to spread the load. Other parts of the city, especially in hillside neighborhoods like the South Hills and Rattlesnake area, sit on harder glacial deposits that slow excavation but provide more stable bearing. A contractor who quotes without visiting your specific site is guessing. On top of soil variability, Missoula winters can push frost to 36 to 48 inches - significantly deeper than warmer parts of the country - and a footing that does not reach below that depth will heave and fail. The City of Missoula requires a permit and an inspection before concrete is poured precisely because this is the moment when mistakes get buried permanently.
We serve homeowners across the region, including Hamilton and Polson, where the same frost-depth conditions and city permit processes apply. If you are planning a deck or addition this season, reach out now - spring footing slots fill fast once the ground thaws and permits take a few weeks to process.
Call or submit the contact form and we respond within 1 business day. We visit your property before quoting - we need to see where on the lot you are building, what the ground looks like, and whether there are access constraints. The estimate we give you in writing specifies the planned depth, number of footings, and everything included in the price.
We apply for the City of Missoula building permit and call Montana 811 to have underground utility lines marked before any digging starts. Both steps happen before a shovel goes in the ground. The permit process typically takes a few business days to a couple of weeks depending on the season - we factor this into your project timeline.
The crew excavates to the required frost depth, sets forms, and places rebar if the project calls for it. Before any concrete is poured, a city inspector visits to verify depth and placement. This is the inspection that matters most - and it is the step that protects your investment permanently.
Once the inspection passes, we pour the concrete and smooth the top surface. Forms come off within 24 to 48 hours. We backfill the surrounding soil after the footing has cured enough to build on, then walk you through what was done, hand over the permit and inspection record, and confirm when it is safe to proceed with the next phase of your project.
Free on-site estimate. Written quote with depth and count specified. Response within 1 business day.
(406) 317-4988We dig to the depth required for this specific valley - not the national average, not what works in a warmer state. Missoula's winters can push frost 36 to 48 inches down, and a footing above that line will eventually move. Every footing we install is measured and inspector-verified before concrete is poured.
We pull the City of Missoula building permit on every footing project and coordinate the required pre-pour inspection as a standard step - not an afterthought. That inspection record stays in your files and protects you if you ever sell, refinance, or add on to your home.
We call Montana 811 on every job, without exception. Older Missoula neighborhoods in the University District and Rattlesnake have underground surprises that do not appear on any map. Hitting a gas or water line mid-project costs far more than a two-day wait for a locate ticket. It is also required by state law.
We have worked in enough of Missoula neighborhoods to know that soils near the river corridor behave differently than soils on the benches above the valley floor. That knowledge is reflected in how we assess your site before quoting and how we design the footing for your specific ground conditions - not a generic spec. The American Concrete Institute standards we follow account for these soil and climate variables.
The combination of frost-depth experience, permit management, and honest site assessment is what makes our footings hold up through Missoula winters year after year. Call us early in the season - spring books faster than most homeowners expect.
When an existing foundation has settled or shifted over time, foundation raising lifts and restabilizes the structure before more damage occurs.
Learn moreFull below-grade foundation walls for new construction in Missoula, including basement and crawl space options built to handle Montana frost conditions.
Learn morePermit lead times and contractor schedules fill fast once the ground thaws - reach out now for a free on-site estimate and a written quote with depth and count in writing.