Driveways here sink in waves, not one at a time
Highlands Ranch went up fast. Whole neighborhoods were graded, poured, and sold inside a few years, mostly between the 1980s and the early 2000s. That efficiency had a side effect nobody mentioned at closing: the concrete on your street is the same age as the concrete at every other address on it, sitting on the same soil, aging on the same clock. When driveways start to drop, they drop street by street.
So if your apron has settled at the curb, or the panel in front of the garage door has cracked and tipped, take a slow walk down the block. Odds are you'll spot the same failure three or four more times. That's not bad luck. That's Douglas County clay doing what it does, on schedule.
What bentonite clay does to a slab that just sits there
The soil under Highlands Ranch carries bentonite, and the swell-shrink cycling here is among the strongest in the metro. Wet years, the clay swells. Dry years, it shrinks and pulls away from the underside of the slab, leaving voids where support used to be. A driveway can't follow the soil down evenly. It hangs on its strong edges, bridges the gap for a while, then cracks and drops at the weakest panel.
The usual casualties look like this:
- The apron at the street, where traffic vibration, plow scrape, and gutter water all meet
- The panel at the garage door, where roof water concentrates and construction backfill never fully firmed up
- Any section under or near a downspout that dumps at the slab edge
- Mid-driveway panels that sound hollow when you tap them, a sign the clay shrank out from under them in a dry summer
Chinook winters do the rest
At 5,920 feet, this is a high, wind-scoured town. Winter nights get legitimately cold, then a chinook rolls off the mountains and the afternoon feels like April. Moisture under your driveway freezes, expands, thaws, and moves in the space of a single day, sometimes several times a week. Every one of those cycles works the slab against its base. Down in central Denver a driveway sees a gentler version of this pattern. Up here it's constant, and it's why late winter and early spring are when most Highlands Ranch homeowners first notice the drop. The melt runs into joints the freeze opened up, washes out more base, and the panel that was slightly off in November is a full step down by March.
The price of lifting it, and the price of not
Every driveway gets its own number, quoted free and in person, because drop depth and void size drive the price. For a national yardstick, HomeAdvisor puts a typical residential mudjacking job between $300 and $2,500, with an average around $950. Tearing out and re-pouring the same driveway costs double or triple what a lift does, and the new pour goes right back onto the same clay that took the first one down. That math is why mudjacking has kept our family business busy since 1988.
Here's the honest fork in the road. If your driveway is in a few large pieces that have settled, lifting brings them back to the same plane and you keep the concrete you already paid for. If a panel has shattered into small chunks, lifting won't fix it and we'll say so at the estimate. Around here that call usually favors the lift, because most Highlands Ranch driveways are young enough that the concrete itself is still sound. It's the ground that quit, not the slab.
One visit, one truck, no tear-out
We drill 1-1/2" holes through the sunken sections, pump a slurry of water and sandy loam soil underneath, and watch the slab rise back to grade. Then we patch the holes and clean up. Trevor will tell you at the estimate how long to keep foot and car traffic off the slab. It's the same 10-yard pump truck on every job. While we're out, we'll also point at whatever sent the water under your slab in the first place, usually a downspout that needs a longer extension, because fixing that is what makes the lift last.
Trevor comes out in person, measures the drop, and hands you a number on the spot. The estimate is free and there's no follow-up pressure. Take a look at finished lifts on our work page, or go straight to requesting your quote. Or just call (303) 526-2222 and tell us what the driveway is doing.