Flat Roof Replacement cost: Gresham vs Medford (2026)
In 2026, flat roof replacement is about 3% more expensive in Gresham than in Medford. Most homeowners pay around $11,050 in Gresham versus $10,700 in Medford — a gap of roughly $350.
Gresham OR
Typically around $11,050
Medford OR
Lower costTypically around $10,700
Gresham vs Medford: full breakdown
| Factor | Gresham | Medford |
|---|---|---|
| Typical 2026 cost | $11,050 | $10,700 |
| Estimated range | $5,650–$16,400 | $5,500–$15,850 |
| Labor index (vs US) | ×1.07 | ×1.04 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | $300 | $300 |
| Labor share | $6,650 | $6,400 |
| Materials/equipment | $4,400 | $4,300 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national flat roof replacement range for local labor, climate and permits.
How much should this gap actually matter?
A 3% difference on flat roof replacement is minor — you'll typically see a wider spread just from getting multiple quotes in the same city, so don't let location drive the decision.
Flat roof replacement by type: Gresham vs Medford
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 | Gresham | Medford |
|---|---|---|
| EPDM (rubber) | $5,650–$13,200 | $5,500–$12,750 |
| TPO | $6,750–$14,250 | $6,500–$13,750 |
| PVC | $7,800–$16,400 | $7,550–$15,850 |
| Modified bitumen | $5,650–$12,100 | $5,500–$11,700 |
| Built-up roofing (BUR) | $7,300–$15,300 | $7,050–$14,800 |
These are 2026 planning figures for flat roof replacement, localized to each city — not formal quotes.
Flat roof replacement by roof size: Gresham vs Medford
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 | Gresham | Medford |
|---|---|---|
| 1,000 sq ft (10 squares) | $4,600–$9,400 | $4,450–$9,100 |
| 1,500 sq ft (15 squares) | $5,650–$12,100 | $5,500–$11,700 |
| 2,000 sq ft (20 squares) | $6,750–$15,300 | $6,500–$14,800 |
| 2,500 sq ft (25 squares) | $8,350–$17,450 | $8,050–$16,900 |
| 3,000+ sq ft (30 squares) | $9,950–$20,700 | $9,600–$20,000 |
These are 2026 planning figures for flat roof replacement, localized to each city — not formal quotes.
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.
Portland-Vancouver-Hillsboro metro · about 12% above the US average installer wage.
No BLS metro wage series for Medford; we use Oregon 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
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 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
The surprise that wrecks a roofing budget is rot in the decking, and you rarely see it until the old shingles come off. Fix the price per replacement sheet in the contract before the crew starts, so a low bid can't quietly climb once the deck is open.
The do-it-right case
Skipping the tear-off means burying whatever's failing underneath, and a second layer bakes the shingles from below until they curl early. Doing it properly means stripping to the deck, then paying for real underlayment, flashing and airflow — the work that sets how long the roof lasts, not just how it looks the first week.
The two things that actually protect a roofing budget are a real tear-off and a written rate for any deck repairs found along the way. The cheapest post-storm bid usually isn't the cheapest roof, long-term.
Gresham vs Medford
Is flat roof replacement cheaper in Gresham or Medford?
In 2026, flat roof replacement is cheaper in Medford at about $10,700, versus $11,050 in Gresham — a difference of about $350 (3%).
Why does flat roof replacement cost more in Gresham than Medford?
The main driver is local labor rates: Gresham's labor index is 1.07 versus 1.04 in Medford. Climate zone (mixed vs mixed) also shift the total.
How much is flat roof replacement in Gresham, OR?
In Gresham, flat roof replacement typically runs $5,650–$16,400 in 2026, with most homeowners paying around $11,050.
When is the cheapest time to buy flat roof replacement — and does it differ by city?
The best window is the same in both Gresham and Medford: 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?
Probably not. Yes, $350 is a real gap, but it's a one-time cost you can partly offset in Gresham with off-season timing and tighter bids. Long-term factors like energy prices and home condition matter more than this one number.
Compare flat roof replacement in other cities
Updated June 2026 · By Serhat Özçelik