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Patching and Pothole Repair in Fort Collins, CO
Patching removes a section of failed asphalt and replaces it, and it is the right driveway repair when the problem sits below the surface rather than on it. A pothole in Fort Collins usually starts as water: snowmelt or a spring downpour runs down an open crack, soaks the base and the clay beneath it, freezes, lifts the pavement and leaves a soft spot when it thaws. May is the wettest month on the CSU campus record at 2.72 inches, arriving right after the months with the most freeze-thaw days, so spring is when failures tend to show. A repair that lasts takes out the wet material and rebuilds what the asphalt rests on.
$100 - $500 per patch; saw-cut full-depth work about $4 - $12 per sq ft · full pricing guide
A lasting patch starts with a saw. The failed area is cut square, dug out through the base, and the soft material removed; compacted aggregate goes back in, and hot mix is placed and rolled in lifts. The Town of Timnath builds its own street patches with 5 inches of compacted full-depth asphalt, which gives a sense of the scale involved. A thin layer of new asphalt pressed over a failed base looks the same on the day it goes down, and usually opens again along its outline by the following spring, because the soft ground under it has not changed.
The soil decides how often patches fail. The Fort Collins series, named for the city, is a well-drained loam with moderately high saturated conductivity, but the Nunn series, typed in Larimer County, holds 35 to 50 percent clay with slow permeability, and the Colorado Geological Survey lists cracked driveways among the effects of swelling clay. A patch over a clay low spot that holds water after every storm needs the water rerouted as well: a downspout extended, a swale regraded or an edge built up so meltwater runs off the pavement instead of soaking in beside it.
Hot-mix work belongs to the warm months. Riley's Asphalt, a Colorado contractor, calls late spring to early fall the ideal paving season, and the median freeze-free window at the campus station runs from May 1 to October 6. In winter, cold patch can keep a tire out of a hole until spring, but it is a plug rather than a repair. Once a hot patch has cured, sealing the whole drive evens the color and closes the seams around the new asphalt.
Base material has a local source. The city's crushing operation takes concrete, asphalt and clean dirt from construction work and sells recycled asphalt and recycled concrete in a 1 1/4 inch size by the ton, for uses that include driveways and sub-base. Whether recycled aggregate suits a particular patch is a question for the contractor doing it. For prices on patching and the related work, see the price ranges.
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What spring reveals on a Fort Collins drive
Base failures tend to announce themselves between March, the snowiest month, and May, the wettest, when meltwater and rain reach the base. A pothole is only the last stage.
- Tire ruts that deepen after the spring thaw
- A section that rocks or flexes under a parked car
- Plates of cracked asphalt around a downspout outlet
- A hole whose edges crumble further after each spring storm
- Water still standing a day after a May rain
- A patch from a past year sinking below the asphalt around it
These call for cutting out and rebuilding, not a coat. Sealer over them buys a summer at most.
How deep the repair goes
The right depth follows the failure, and the price follows the depth.
Cold patch as a stopgap
Pressed into a hole in winter to keep tires and water out until hot mix is available. Useful, temporary, and not something to seal over.
Surface patch
New asphalt over a firm base where only the top has worn away. Reasonable only when a close look shows the base under it is sound.
Full-depth patch
Cut the edges square, excavate the wet material, compact new base and roll hot mix in lifts, the way Timnath patches its streets. The usual answer where water has reached clay.
Patch plus drainage
A patch in a low spot or below a downspout needs the water rerouted too, or the new base gets soaked the same way the old one did.
Ask how deep the contractor plans to dig and what goes back into the hole. The answer separates a repair from a cover-up.
Patching and Pothole Repair FAQs
Why do potholes form at the bottom of so many driveways?
The low end of a drive collects water from everything above it: the roof, the lawn and the snow shoveled to the sides all winter. It is also where the asphalt meets the concrete approach, a joint that opens as the two materials move differently. Water gets in at that joint, soaks the base and freezes on the roughly 131 days a year when the campus record crosses the freezing line. Keeping the joint filled and the meltwater moving are the two least expensive ways to stop the hole before it starts.
Can a driveway pothole be fixed in winter?
Only temporarily. Cold patch pressed into a hole in January keeps a tire out of it and slows water getting in, and that is worth doing if the hole is growing. A lasting repair needs hot mix, dry ground and warm weather, which on the campus normals means the window after the median last freeze on May 1 and before the first one on October 6, with late spring through early fall the practical season. Plan the permanent patch for then.
What does a driveway patch cost in Fort Collins?
Angi's 2026 repair guide lists cold patches at $100 to $200 each, hot asphalt patches up to about $250 and saw-cut or infrared repairs up to $500, with patching generally in the $100 to $500 range. HomeGuide's May 2025 page prices saw-cut work at $4 to $12 per square foot and notes a $100 to $250 service minimum on repair visits. Several small patches in one visit usually cost less each than separate trips.
Who repairs potholes in the street in front of a house?
Holes in a city street belong to the Streets Department, which runs a Pothole Patrol line and takes reports through the Access Fort Collins system. The asphalt behind the right-of-way line, including the driveway itself, is the owner's. When a hole straddles the joint at the concrete approach, reporting the street side and fixing the private side at about the same time avoids a repair that stops at the property line while the damage keeps going.
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