Flat Roof Replacement cost: Aliamanu / Salt Lakes / Foster Village vs Honolulu (2026)
There's essentially no price gap here: flat roof replacement runs close to $11,300 in both Aliamanu / Salt Lakes / Foster Village and Honolulu in 2026.
Aliamanu / Salt Lakes / Foster Village HI
Typically around $11,300
Honolulu HI
Typically around $11,300
Aliamanu / Salt Lakes / Foster Village vs Honolulu: full breakdown
| Factor | Aliamanu / Salt Lakes / Foster Village | Honolulu |
|---|---|---|
| Typical 2026 cost | $11,300 | $11,300 |
| Estimated range | $5,800–$16,800 | $5,800–$16,800 |
| Labor index (vs US) | ×1.08 | ×1.08 |
| Climate zone | Hot | Hot |
| Climate factor | ×1.02 | ×1.02 |
| Local permit | $325 | $325 |
| Labor share | $6,800 | $6,800 |
| Materials/equipment | $4,500 | $4,500 |
These are 2026 planning figures for flat roof replacement, localized to each city — not formal quotes.
A wash — choose on quality, not city
With no real price gap on flat roof replacement, the choice comes down to contractor quality and timing, not which city you're in.
Flat roof replacement by type: Aliamanu / Salt Lakes / Foster Village vs Honolulu
Every flat 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 | Aliamanu / Salt Lakes / Foster Village | Honolulu |
|---|---|---|
| EPDM (rubber) | $5,800–$13,500 | $5,800–$13,500 |
| TPO | $6,900–$14,600 | $6,900–$14,600 |
| PVC | $8,000–$16,800 | $8,000–$16,800 |
| Modified bitumen | $5,800–$12,400 | $5,800–$12,400 |
| Built-up roofing (BUR) | $7,450–$15,700 | $7,450–$15,700 |
Treat these as 2026 localized estimates for flat roof replacement, not quotes from a contractor.
Flat roof replacement by roof size: Aliamanu / Salt Lakes / Foster Village vs Honolulu
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 | Aliamanu / Salt Lakes / Foster Village | Honolulu |
|---|---|---|
| 1,000 sq ft (10 squares) | $4,700–$9,650 | $4,700–$9,650 |
| 1,500 sq ft (15 squares) | $5,800–$12,400 | $5,800–$12,400 |
| 2,000 sq ft (20 squares) | $6,900–$15,700 | $6,900–$15,700 |
| 2,500 sq ft (25 squares) | $8,550–$17,900 | $8,550–$17,900 |
| 3,000+ sq ft (30 squares) | $10,200–$21,200 | $10,200–$21,200 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national flat roof replacement range for local labor, climate and permits.
Cheapest time for flat roof replacement in either city
Roofers are slammed the moment warm weather returns, especially after storms. Get on their books in the off-season for a spring job and you're negotiating with an empty calendar, not a waiting list.
Where does a smart roofing budget go in 2026?
A roofing quote can hide a lot behind a single number — whether it's a true tear-off, the shingle grade, and what's under the surface. Here's how our editors sort through it.
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.
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 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.
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.
Aliamanu / Salt Lakes / Foster Village vs Honolulu
Is flat roof replacement cheaper in Aliamanu / Salt Lakes / Foster Village or Honolulu?
There's no meaningful difference: flat roof replacement runs about $11,300 in both places.
Why does flat roof replacement cost more in Honolulu than Aliamanu / Salt Lakes / Foster Village?
Honolulu's higher labor index (1.08 vs 1.08 in Aliamanu / Salt Lakes / Foster Village) is the biggest factor, with the hot/hot climate split playing a smaller role.
How much is flat roof replacement in Aliamanu / Salt Lakes / Foster Village, HI?
In Aliamanu / Salt Lakes / Foster Village, flat roof replacement typically runs $5,800–$16,800 in 2026, with most homeowners paying around $11,300.
When is the cheapest time to buy flat roof replacement — and does it differ by city?
No, the seasonal pattern is the same in Aliamanu / Salt Lakes / Foster Village and Honolulu: 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?
Cost shouldn't be the deciding factor between Aliamanu / Salt Lakes / Foster Village and Honolulu — they land at nearly the same price. Contractor reputation, scope, equipment tier and timing matter more.
Compare flat roof replacement in other cities
Updated June 2026 · By Serhat Özçelik