Flat Roof Replacement cost: Aliamanu / Salt Lakes / Foster Village vs Waiau-Pacific Palisades (2026)
Flat roof replacement costs about the same in Aliamanu / Salt Lakes / Foster Village and Waiau-Pacific Palisades in 2026 — roughly $11,300 in each.
Aliamanu / Salt Lakes / Foster Village HI
Typically around $11,300
Waiau-Pacific Palisades HI
Typically around $11,300
Aliamanu / Salt Lakes / Foster Village vs Waiau-Pacific Palisades: full breakdown
| Factor | Aliamanu / Salt Lakes / Foster Village | Waiau-Pacific Palisades |
|---|---|---|
| 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 |
Flat roof replacement numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
Basically a tie — focus on the contractor
The two metros are effectively a wash for flat roof replacement — pick on contractor quality and timing, not location.
Flat roof replacement by type: Aliamanu / Salt Lakes / Foster Village vs Waiau-Pacific Palisades
Each flat roof replacement option, priced separately for both metros — the same local labor, climate and permit adjustments applied per city, so you can compare like for like.
| Type | Aliamanu / Salt Lakes / Foster Village | Waiau-Pacific Palisades |
|---|---|---|
| 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 |
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: Aliamanu / Salt Lakes / Foster Village vs Waiau-Pacific Palisades
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 | Waiau-Pacific Palisades |
|---|---|---|
| 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 |
All figures are 2026 localized planning estimates for flat roof replacement — get an actual quote before you commit.
Cheapest time for flat 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 unlocks off-season pricing.
Where does a smart roofing budget go in 2026?
Roofing budgets swing on decisions most homeowners don't think to ask about — overlay vs. tear-off, shingle tier, deck condition. Our editors break down each one.
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 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 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.
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 Waiau-Pacific Palisades
Is flat roof replacement cheaper in Aliamanu / Salt Lakes / Foster Village or Waiau-Pacific Palisades?
Practically identical — expect around $11,300 for flat roof replacement whichever city you're in.
Why does flat roof replacement cost more in Waiau-Pacific Palisades than Aliamanu / Salt Lakes / Foster Village?
Waiau-Pacific Palisades'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 Waiau-Pacific Palisades: 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?
No — the cost is essentially identical between Aliamanu / Salt Lakes / Foster Village and Waiau-Pacific Palisades. Base the decision on the things that actually vary: contractor reputation, scope, equipment tier and timing.
Compare flat roof replacement in other cities
Updated June 2026 · By Serhat Özçelik