Flat Roof Replacement cost: Jacksonville vs Port St. Lucie (2026)
Jacksonville runs 4% lower than Port St. Lucie for flat roof replacement — expect around $9,950 in Jacksonville against $10,350 in Port St. Lucie, a difference of about $400.
Jacksonville FL
Lower costTypically around $9,950
Port St. Lucie FL
Typically around $10,350
Jacksonville vs Port St. Lucie: full breakdown
| Factor | Jacksonville | Port St. Lucie |
|---|---|---|
| Typical 2026 cost | $9,950 | $10,350 |
| Estimated range | $5,100–$14,750 | $5,300–$15,400 |
| Labor index (vs US) | ×0.94 | ×0.99 |
| Climate zone | Hot | Hot |
| Climate factor | ×1.02 | ×1.02 |
| Local permit | $275 | $275 |
| Labor share | $5,950 | $6,200 |
| Materials/equipment | $4,000 | $4,150 |
These are 2026 planning figures for flat roof replacement, localized to each city — not formal quotes.
How much should this gap actually matter?
4% is within noise for flat roof replacement — contractor selection and timing move the price more than which of these two metros you're in.
Flat roof replacement by type: Jacksonville vs Port St. Lucie
We localize each flat roof replacement type separately for both metros, applying the same labor, climate and permit adjustments each time, so you're comparing like for like.
| Type | Jacksonville | Port St. Lucie |
|---|---|---|
| EPDM (rubber) | $5,100–$11,850 | $5,300–$12,350 |
| TPO | $6,050–$12,800 | $6,300–$13,400 |
| PVC | $7,000–$14,750 | $7,350–$15,400 |
| Modified bitumen | $5,100–$10,900 | $5,300–$11,350 |
| Built-up roofing (BUR) | $6,550–$13,750 | $6,850–$14,400 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national flat roof replacement range for local labor, climate and permits.
Flat roof replacement by roof size: Jacksonville vs Port St. Lucie
Flat and low-slope roofs are priced per square (100 sq ft) and run about $3–$11 per sq ft installed, depending on the membrane. The roof area is close to the footprint since there's little pitch.
| Size | Jacksonville | Port St. Lucie |
|---|---|---|
| 1,000 sq ft (10 squares) | $4,150–$8,450 | $4,300–$8,850 |
| 1,500 sq ft (15 squares) | $5,100–$10,900 | $5,300–$11,350 |
| 2,000 sq ft (20 squares) | $6,050–$13,750 | $6,300–$14,400 |
| 2,500 sq ft (25 squares) | $7,500–$15,700 | $7,850–$16,400 |
| 3,000+ sq ft (30 squares) | $8,950–$18,600 | $9,350–$19,400 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national flat roof replacement range for local labor, climate and permits.
What roofing pros earn in each metro
Labor is about 60% of a flat roof replacement bill, so local wages drive most of the gap. These are real metro hourly wages for skilled installers (BLS OEWS), not estimates.
Jacksonville metro · about 9% below the US average installer wage.
No BLS metro wage series for Port St. Lucie; we use Florida regional price parity instead.
Source: U.S. Bureau of Labor Statistics, OEWS metro wages for HVAC installers (used as a trade-labor index).
Cheapest time for flat roof replacement in either city
Storm season pushes demand — and prices — up through summer, since shingles need warm, dry weather to bond correctly. Roofers with open winter calendars will often deal to fill a spring slot.
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
A full tear-off lets the crew replace underlayment, flashing and ventilation while the deck is exposed — the layers that actually keep water out. Covering old shingles with new ones costs less on install day, but the trapped heat shortens shingle life, and many manufacturers won't honor a warranty on an overlay.
The value case
Architectural shingles hit the sweet spot — far more durable than 3-tab for a modest premium, and far cheaper than metal or tile. For most homes they're the right default.
The risk case
Budget for the unknown: rotten decking found at tear-off is the most common surprise. Get the per-sheet repair rate in writing up front so a "cheap" bid doesn't balloon mid-job.
A roof's real cost shows up over its lifespan, not on install day. Tear-off, a documented repair rate and a mid-tier shingle grade are what keep that lifetime cost in check.
Jacksonville vs Port St. Lucie
Is flat roof replacement cheaper in Jacksonville or Port St. Lucie?
Jacksonville wins on price: flat roof replacement runs about $9,950 there versus $10,350 in Port St. Lucie, a gap of roughly $400 (4%) as of 2026.
Why does flat roof replacement cost more in Port St. Lucie than Jacksonville?
The main driver is local labor rates: Port St. Lucie's labor index is 0.99 versus 0.94 in Jacksonville. Climate zone (hot vs hot) also shift the total.
How much is flat roof replacement in Jacksonville, FL?
In Jacksonville, flat roof replacement typically runs $5,100–$14,750 in 2026, with most homeowners paying around $9,950.
When is the cheapest time to buy flat roof replacement — and does it differ by city?
No, the seasonal pattern is the same in Jacksonville and Port St. Lucie: book during Late spring to early fall (dry, 45–85°F) for about 5–10% in savings. Mid-winter and the post-storm rush is the priciest stretch in both cities, mostly due to emergency replacements.
Should I choose where to live based on flat roof replacement cost?
That would be a stretch. $400 is a one-time difference, not an ongoing one, and off-season buying plus apples-to-apples bids in Port St. Lucie can close a good chunk of it. What matters more long-term is energy costs, climate and the condition of the home.
Compare flat roof replacement in other cities
Updated June 2026 · By Serhat Özçelik