Commercial Roof Replacement in Portland, OR
Commercial roof replacement is the full tear-off and re-roof of a building that has passed the point of cost-effective repair. Crews strip the old membrane, inspect and dry the deck, upgrade insulation to current energy code, and install a new manufacturer-backed system — typically with a 15–30 year warranty when a certified contractor does the work.
Top Commercial Roof Replacement Contractors in Portland
Listings updated July 2026
Certified Roofing Services Portland | Roofing Company Portland | Roofers Portland
Portland, OR
Portland commercial roofer specializing in flat roofs, TPO & low-slope systems. Licensed, insured & Malarkey Certified....
KVN Portland Roofing
Portland, OR
KVN Portland Roofing delivers commercial roof replacement, repair & inspection across Portland, OR, serving retail, mult...
Flat Roof LLC
Portland, OR
Portland flat-roof specialist licensed in OR & WA — offering repair, full reroof, GE LifeShield coating, and free inspec...
Nimbus Roofing & Sheet Metal
Portland, OR
Portland, OR commercial roofer specializing in TPO, EPDM, PVC flat roofs, standing seam metal, and in-house sheet metal...
Mountaintop Metal Roofing
Portland, OR
Mountaintop Metal Roofing installs standing seam and metal panel systems across Portland, OR, serving commercial, multif...
DK Commercial Roofing
Portland, OR
DK Commercial Roofing serves Portland, OR facility managers with repair, maintenance programs, seamless membrane systems...
Five Star Homes
Portland, OR
IKO Premier roofing contractor serving Portland, OR with roofing, siding & exterior services for multifamily and light-c...
IBEX Roof
Portland, OR
Portland's IBEX Roof offers licensed commercial roofing, gutter, and skylight services with photo inspections and transp...
USA Roofing & Waterproofing LLC
Portland, OR
Portland's two-time Best Roofers award winner offering TPO, metal, silicone, and flat roofing with a 15-year craftsmansh...
River City Roofing Portland
Portland, OR
Portland commercial roofer serving office, retail & multifamily with TPO, EPDM, metal & flat-roof systems. Licensed, bon...
Flow Roofing
Portland, OR
Flow Roofing serves Portland-area commercial properties with TPO, PVC, flat roofing, coatings, and maintenance programs....
All Roofing Eagle Construction Inc
Portland, OR
Portland, OR flat-roof & metal roofing contractor. Family-owned, tear-off specialists serving retail, multifamily & ligh...
Interlock Metal Roofing (PNW) Inc. - Oregon
Portland, OR
Portland, OR metal roofing contractor offering Interlock® standing seam & shingle systems with Class A fire ratings and...
Top Line Roofing Contractors
Portland, OR
Licensed Portland, OR roofing contractor offering commercial roof repair, replacement, and metal roofing for retail, mul...
Interstate Roofing
Portland, OR
Portland commercial roofer with 4.8★/751+ reviews offering replacement, repair & maintenance programs for office, retail...
AE Roofing Company Portland
Portland, OR
AE Roofing Company offers commercial roof repairs and replacements in Portland, OR with 24/7 response for flat and low-s...
Northwest Roof Tech
Portland, OR
Northwest Roof Tech delivers commercial roof replacement, repair & leak services in Portland, OR — backed by a 10-year w...
RoofTek
Portland, OR
RoofTek® Portland delivers certified commercial roofing repairs, replacements, and new construction with manufacturer-ba...
Sawtooth Roofing Company
Portland, OR
Owens Corning Platinum Preferred commercial roofer in Portland, OR serving flat, metal & single-ply systems across the P...
Top Flight Roofing LLC
Portland, OR
Bonded & insured commercial roofing contractor in Portland, OR offering installation, repairs, emergency response, and e...
What to Expect from Commercial Roof Replacement
System recommendation based on building use and budget
Tear-off of the failed roof and deck inspection
Insulation upgrade to current energy code
New manufacturer-backed membrane installed by a certified crew
Final inspection and warranty registration
Commercial Roof Replacement Pricing in Portland
Pricing varies by contractor and project scope
Request quotes from multiple contractors to compare pricing. Factors that affect cost include system size, building type, equipment brand, warranty terms, and urgency. Always ask for an itemized written estimate before authorizing work.
Get free quotes from Portland contractorsRelated Replacement Services in Portland
Frequently Asked Questions — Commercial Roof Replacement in Portland
How much does commercial roof replacement cost in Portland, OR?
Commercial Roof Replacement costs in Portland vary based on system size, building type, and scope. Request quotes from multiple contractors through My Roofing Tech to compare pricing. Always ask for itemized written estimates before authorizing any work.
How do I choose the best commercial roof replacement contractor in Portland?
Look for contractors with specific experience in commercial roofing (not just residential). Verify their state license, insurance, and bonding, and confirm they're certified and experienced with your roof system. Check reviews from similar commercial properties. Ask about their workmanship warranty and their typical response time for follow-up issues.
How long does commercial roof replacement typically take?
The timeline depends on the size and complexity of your roof system and the scope of work. Simple repairs often complete in a few hours. Larger installations and replacements may take several days to a few weeks. Emergency service typically stabilizes the problem within hours even when the permanent fix requires returning with materials.
Is commercial roof replacement covered by building insurance?
Generally, sudden storm or accidental damage may be covered by commercial property insurance, while gradual wear and deferred-maintenance issues are not. Contact your insurance provider and ask specifically about coverage for your roof system. A documented inspection report strengthens any claim you file.