What you can see from the yard already tells you what you'll pay.

Chimney damage in the Bluegrass follows a predictable sequence, so cost follows one too. Water gets in somewhere small, Kentucky's winter freezes it over and over, and each stage of neglect hands the bill to a bigger repair. Two of the rungs below carry firm local price bands. The others are quoted after inspection — not as a dodge, but because their honest cost simply can't be read from the sidewalk. The full menu lives on the chimney repair page; this one is organized by what you actually see.

That chalky wash is efflorescence — mineral salts that water picked up while traveling through your masonry and left behind on the surface as it dried. The stain itself is harmless. What it announces is not: moisture is moving through the chimney, and every winter it will freeze in there and pry things apart. The repair is whatever closes the entry point. When the culprit is open mortar joints — the usual finding on Lexington's pre-1980 stacks — you're looking at repointing, and a chimney flagged this early tends to sit near the bottom of that $500–$2,500 band. When the water is coming through the crown or an uncapped flue instead, the fix gets quoted after we've seen those parts up close. Either way, this is the cheapest rung on the ladder. It doesn't stay cheap.

Run a key along a joint at shoulder height. If gritty sand rains out, the mortar has finished its working life — freeze-thaw has broken its bond from the inside, one nine-percent ice expansion at a time. The fix is tuckpointing: grinding the dead joints out to solid material and packing in fresh mortar matched to your brick. In the Lexington market this runs $500 to $2,500. Failed joints confined to the weather-beaten top few feet keep you near the bottom of the band; a two-story stack needing attention on every face pushes toward the top, with height and roof pitch driving the labor. This rung matters more than any other here, because it's the last one where the damage is confined to mortar. Every rung below it involves brick that has started to die.

The concrete slab crowning your stack is the chimney's roof, and a cracked crown pours water straight down into the brickwork it was built to protect. Here's why you won't find a dollar range on this row: from the yard, a forgivable shrinkage crack and a crown split clean through look identical. One needs a flexible resurfacing coat. The other needs to be broken off, formed, and poured new — a different job by an order of magnitude. Publishing one number for both would mislead half the people who read it, so crown work is priced after inspection, from the roof, with photos and a written figure that doesn't move.

An open flue drinks every storm that crosses Fayette County, and rust streaks below an old galvanized cap mean it's quit doing its one job. A stainless cap is usually the least expensive item on this entire page — but we still quote it on site rather than in print, because the price is set by your flue's count, shape, and dimensions, and by whether the crown beneath it needs work at the same time. What we can promise ahead of time: it's priced after inspection, it's quick, and skipping it is the most expensive form of saving money a chimney owner can practice.

Those flakes are spalling: water soaked into the brick, froze, and blew the hard-fired face right off. A brick that has shed its face has no weather skin left and will keep peeling until it's cut out and replaced — paint and sealer only trap the moisture deeper. There's no published band for this work for a plain reason: the price is a count, and the count can't be made from your yard. Bricks hide their damage on the flue side and inside the wall, so the true tally — and the difficulty of matching your brick's color and era — emerges on the roof. Spalling repair is priced after inspection, itemized brick by brick in the written scope. The moisture source above gets corrected at the same time, or the neighbors spall next.

Indoor evidence usually means flashing — the layered metal seal where the chimney rises through the roof. When it lifts or corrodes, rain follows the brick down into your framing and drywall, and the stain shows up rooms away from the actual gap. No range gets printed for flashing either, honestly because the variables live under your shingles: the roofing material, whether the counterflashing was ever properly let into the mortar joints, and how much decking the water has already softened. It's priced after inspection, which matters doubly here: stains get pinned on flashing when the true source is a cracked crown two rungs up, and finding the actual entry point is the whole value of the visit.

Trust your eye. A tilt you can see from the driveway, cracks stepping diagonally through the courses like a staircase, or bricks that wiggle under hand pressure all mean the same thing: the mortar has failed as a structural system, and repointing can no longer save it. The stack comes down to sound masonry and gets relaid. A partial rebuild from the roofline up starts around $4,000 in this market; a full rebuild of a tall stack, with brick matching and staging, can reach $15,000. Rebuild day is also the moment to settle the flue question, since a stainless liner goes in easiest while the masonry is open.

Lexington sits in freeze-thaw country: a typical winter swings across the frost line dozens of separate times, and every swing turns the water inside your masonry into a wedge. That's why the ladder above isn't a menu of independent problems — it's one problem at seven ages. The white streaks become the sandy joints. The sandy joints admit the water that spalls the brick. The spalled, hollow-jointed wall eventually racks and leans. Now put the bands side by side. Caught at rung two, the worst case is $2,500 and the common case is far less. Ridden down to rung seven, the entry price is $4,000 and the ceiling is $15,000 — as much as thirty times the cheapest early catch, spent fixing what began as a mortar joint. Nobody schedules that slide on purpose; it happens one postponed autumn at a time. If you're not sure which rung you're on, a camera-documented inspection settles it in an afternoon, in writing, for a fraction of the cost of guessing wrong.