Asphalt Shingle Roof Replacement cost: Decatur vs Mobile (2026)
Budget-wise, asphalt shingle roof replacement in Decatur ($8,600) runs 1% less than in Mobile ($8,650), a roughly $50 spread.
Decatur AL
Lower costTypically around $8,600
Mobile AL
Typically around $8,650
Decatur vs Mobile: full breakdown
| Factor | Decatur | Mobile |
|---|---|---|
| Typical 2026 cost | $8,600 | $8,650 |
| Estimated range | $5,600–$11,550 | $5,650–$11,600 |
| Labor index (vs US) | ×0.92 | ×0.93 |
| Climate zone | Hot | Hot |
| Climate factor | ×1.02 | ×1.02 |
| Local permit | $250 | $250 |
| Labor share | $5,150 | $5,200 |
| Materials/equipment | $3,450 | $3,450 |
These are 2026 planning figures for asphalt shingle roof replacement, localized to each city — not formal quotes.
How much should this gap actually matter?
That 1% gap is small — for asphalt shingle roof replacement it's usually less than the spread between two local contractors' quotes, so the metro matters far less than who you hire and when you buy.
Asphalt shingle roof replacement by type: Decatur vs Mobile
Every asphalt shingle roof replacement type gets its own localized price for each metro, using the same labor, climate and permit adjustments — a true apples-to-apples comparison.
| Type | Decatur | Mobile |
|---|---|---|
| 3-tab shingles | $5,600–$9,650 | $5,650–$9,700 |
| Architectural shingles | $6,850–$11,550 | $6,900–$11,600 |
Asphalt shingle roof replacement numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
Asphalt shingle roof replacement by roof size: Decatur vs Mobile
Roofing is priced per 'square' (100 sq ft of roof). A roof is bigger than the home's footprint because of pitch and overhangs — a 2,000 sq ft home often has a 2,200–2,600 sq ft roof. Asphalt runs about $3–$5 per sq ft installed.
| Size | Decatur | Mobile |
|---|---|---|
| 1,000 sq ft (10 squares) | $3,800–$6,850 | $3,850–$6,900 |
| 1,500 sq ft (15 squares) | $4,950–$9,200 | $5,000–$9,250 |
| 2,000 sq ft (20 squares) | $5,600–$11,550 | $5,650–$11,600 |
| 2,500 sq ft (25 squares) | $7,300–$13,400 | $7,350–$13,500 |
| 3,000 sq ft (30 squares) | $8,700–$16,250 | $8,750–$16,350 |
| 3,500+ sq ft (35 squares) | $10,100–$19,050 | $10,200–$19,200 |
These are 2026 planning figures for asphalt shingle roof replacement, localized to each city — not formal quotes.
Cheapest time for asphalt shingle roof replacement in either city
Shingles need warm, dry weather to seal, and demand peaks after summer storms. Booking in the slow late-fall/winter window for a spring install often earns you off-season pricing.
Where does a smart roofing budget go in 2026?
Before you compare roofing bids, know that the biggest variables are hidden: whether the crew tears off or lays over, what grade of shingle goes down, and what the decking looks like once it's exposed. Each one can shift the total well past the advertised price.
The do-it-right case
Pay for a full tear-off and quality underlayment, flashing and ventilation. An overlay saves money today but traps heat, voids some warranties and costs more at the next replacement.
The risk case
Nail down the per-sheet decking rate in writing before anyone climbs up. Soft or rotted plywood is the most common mid-job discovery, and without an agreed number the crew names the price after they've already found the damage — turning a cheap quote into an open tab.
The value case
For a typical home, the architectural shingle is the default that makes sense. It outlasts 3-tab by a wide margin at a modest premium, and it spares you the cost of metal or tile that most roofs never need to justify.
Whatever the headline bid says, the roof that lasts is the one installed on a bare, sound deck with the repair price fixed in advance. Overlays and open-ended decking charges are where a cheap quote turns expensive down the line.
Decatur vs Mobile
Is asphalt shingle roof replacement cheaper in Decatur or Mobile?
Yes — Mobile costs more. Expect around $8,650 for asphalt shingle roof replacement there against $8,600 in Decatur, about $50 (1%) apart in 2026.
Why does asphalt shingle roof replacement cost more in Mobile than Decatur?
Labor rates explain most of it — 0.93 in Mobile vs 0.92 in Decatur. A hot climate versus hot accounts for the rest.
How much is asphalt shingle roof replacement in Decatur, AL?
In Decatur, asphalt shingle roof replacement typically runs $5,600–$11,550 in 2026, with most homeowners paying around $8,600.
When is the cheapest time to buy asphalt shingle roof replacement — and does it differ by city?
The best window is the same in both Decatur and Mobile: Late spring to early fall (dry, 45–85°F), when demand drops and installers discount to keep crews busy — typically 5–10% off peak pricing. The most expensive time anywhere is an emergency replacement during mid-winter and the post-storm rush.
Should I choose where to live based on asphalt shingle roof replacement cost?
Probably not. Yes, $50 is a real gap, but it's a one-time cost you can partly offset in Mobile with off-season timing and tighter bids. Long-term factors like energy prices and home condition matter more than this one number.
Compare asphalt shingle roof replacement in other cities
Updated June 2026 · By Serhat Özçelik