St. Louis Roofing & Exterior Construction
Roof Replacement Cost in St. Louis
What actually drives the price of a new roof — and how to get a number you can trust, not a vague phone ballpark.
What a new roof costs — the honest version
There's no single sticker price for a roof, and any contractor who quotes one over the phone without seeing it is guessing. Price is driven by measurable things — the size and pitch of your roof, the material you choose, how many old layers come off, and what we find on the deck underneath. This guide walks through each one, so you understand your estimate line by line instead of just seeing a total.
What drives the cost of a roof replacement
- Roof size (squares) — roofing is measured in "squares" of 100 sq ft. A bigger roof means more material and labor, and your roof's surface is larger than your home's footprint because of overhangs and pitch.
- Pitch & complexity — steep roofs and cut-up rooflines with lots of valleys, dormers, hips and chimneys take longer and need more flashing and safety setup than a simple gable.
- Material — architectural asphalt shingles are the value sweet spot for most homes; premium designer shingles, metal and slate last longer but cost more.
- Tear-off & layers — removing one or two existing layers adds labor and disposal, but a full tear-off is almost always the right call because it lets us inspect the deck.
- Decking repair — soft or rotted decking found during tear-off is replaced for a sound surface; no one can know that for certain until the old roof is off, which is why an honest quote accounts for it.
- Flashing, ventilation & details — new flashing at chimneys, walls and valleys plus balanced intake/exhaust ventilation are what make a roof last — and part of the price.
- Access & height — a tall, hard-to-reach or heavily-landscaped property takes more setup and protection.
Typical ranges — a general guide, not a quote
As a rough, honest benchmark for the St. Louis area, most asphalt-shingle roof replacements run a few hundred dollars per square installed, so a typical single-family home commonly lands somewhere in the mid-four-figure to low-five-figure range — with larger, steeper or premium-material roofs going higher. Treat those as ballpark expectations only. The single biggest variable is your specific roof, which is why the number that actually matters is the itemized quote you get after a free inspection.
Ways to make a new roof more affordable
- Insurance — if your roof was damaged by a covered storm, your policy may cover most of the replacement beyond your deductible.
- Financing — spreading the cost into monthly payments so a new roof fits your budget.
- Repair instead of replace — when your roof genuinely has life left, we'll say so, and a targeted repair costs a fraction of a full replacement.
Why our quotes are itemized and free
We start every replacement with a free, documented inspection and a written, itemized scope in plain English — so you see exactly what you're paying for and can compare quotes fairly. No vague ballparks, no pressure, and no surprise change orders mid-job. See how a Loxley roof replacement works.
Frequently asked questions
How much does a new roof cost in St. Louis?
It depends most on the size and pitch of your roof, the material you choose, and what we find during tear-off. Most single-family asphalt roofs fall into a broad ballpark range, but the only accurate number is an itemized quote after a free inspection — which we provide at no cost.
Why won't you give a price over the phone?
Because an honest price requires measuring the roof and seeing its condition. A phone quote is a guess that usually gets 'corrected' upward later. We'd rather give you a real, documented number the first time.
Is it cheaper to go over my old roof instead of tearing it off?
Slightly, up front — but we generally don't recommend it. An overlay hides deck damage, adds weight and heat, and usually shortens the life and warranty of the new shingles. A full tear-off costs a little more and gives you a roof that lasts.
Will insurance pay for my roof?
If the damage is from a covered storm event, often much of it — see our insurance claims guide. We document the damage and walk the claim with you.
Do you offer financing?
We're building financing options so a new roof can fit a monthly budget — see financing or just ask.
The ranges on this page are general, educational estimates for the St. Louis market — not a quote or an offer. Your actual price depends on your specific roof; the only way to know it is a free, documented inspection.
Want a real number for your roof?
We'll inspect your roof, document what we find with photos, and give you a clear, itemized written quote — free, with no obligation and no phone-guess ballparks.