Flat Roof Replacement cost: Beaverton vs Gresham (2026)
Beaverton and Gresham are a near-perfect match on flat roof replacement cost in 2026, both landing around $11,050.
Beaverton OR
Typically around $11,050
Gresham OR
Typically around $11,050
Beaverton vs Gresham: full breakdown
| Factor | Beaverton | Gresham |
|---|---|---|
| Typical 2026 cost | $11,050 | $11,050 |
| Estimated range | $5,650–$16,400 | $5,650–$16,400 |
| Labor index (vs US) | ×1.07 | ×1.07 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | $300 | $300 |
| Labor share | $6,650 | $6,650 |
| Materials/equipment | $4,400 | $4,400 |
Flat roof replacement numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
No real cost edge either way
This is a statistical tie on flat roof replacement cost, so let contractor reputation and project timing decide, not geography.
Flat roof replacement by type: Beaverton vs Gresham
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 | Beaverton | Gresham |
|---|---|---|
| EPDM (rubber) | $5,650–$13,200 | $5,650–$13,200 |
| TPO | $6,750–$14,250 | $6,750–$14,250 |
| PVC | $7,800–$16,400 | $7,800–$16,400 |
| Modified bitumen | $5,650–$12,100 | $5,650–$12,100 |
| Built-up roofing (BUR) | $7,300–$15,300 | $7,300–$15,300 |
All figures are 2026 localized planning estimates for flat roof replacement — get an actual quote before you commit.
Flat roof replacement by roof size: Beaverton vs Gresham
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 | Beaverton | Gresham |
|---|---|---|
| 1,000 sq ft (10 squares) | $4,600–$9,400 | $4,600–$9,400 |
| 1,500 sq ft (15 squares) | $5,650–$12,100 | $5,650–$12,100 |
| 2,000 sq ft (20 squares) | $6,750–$15,300 | $6,750–$15,300 |
| 2,500 sq ft (25 squares) | $8,350–$17,450 | $8,350–$17,450 |
| 3,000+ sq ft (30 squares) | $9,950–$20,700 | $9,950–$20,700 |
All figures are 2026 localized planning estimates for flat roof replacement — get an actual quote before you commit.
What roofing pros earn in each metro
Roughly 60% of what you pay for flat roof replacement is labor, which is why local wages explain most of the price gap. The numbers below are actual metro wages for skilled installers, sourced from BLS OEWS — not guesses.
Portland-Vancouver-Hillsboro metro · about 12% above the US average installer wage.
Portland-Vancouver-Hillsboro metro · about 12% above the US average installer wage.
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
Why summer costs more: it's the only stretch shingles seal reliably, so every storm-damaged roof in the region is competing for the same crews. Reserve a spring slot during the slow winter season and you're not in that queue.
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 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 sit between bargain 3-tab and premium metal or tile, and for most houses that middle ground is exactly right. They carry longer wind and wear ratings than 3-tab for a small step up in price, without the four-figure jump metal or tile demands.
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.
Full tear-off, architectural shingles and a written deck-repair rate protect you from the two big risks — hidden rot and warranty gaps. The lowest storm-season bid is rarely the cheapest over the roof's life.
Beaverton vs Gresham
Is flat roof replacement cheaper in Beaverton or Gresham?
There's no meaningful difference: flat roof replacement runs about $11,050 in both places.
Why does flat roof replacement cost more in Gresham than Beaverton?
It comes down to labor: Gresham indexes at 1.07 against Beaverton's 1.07. The mixed-vs-mixed climate difference adds to the gap.
How much is flat roof replacement in Beaverton, OR?
In Beaverton, flat roof replacement typically runs $5,650–$16,400 in 2026, with most homeowners paying around $11,050.
Do roofing pros really charge more in one city?
Yes — and the wage data shows it. A skilled installer earns about $34.9/hr in the Portland-Vancouver-Hillsboro area versus $34.9/hr around Portland-Vancouver-Hillsboro (BLS metro wage data). Since labor is roughly 60% of a flat roof replacement job, that wage gap is the biggest reason the installed prices differ.
When is the cheapest time to buy flat roof replacement — and does it differ by city?
The best window is the same in both Beaverton and Gresham: 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 flat roof replacement cost?
No — the cost is essentially identical between Beaverton and Gresham. 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