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Roof Installation Or Replacement costs

Compare the project, repair and planning references below before choosing the work for your property. Confirm measurements, existing conditions and the services included in each proposal.

Cost scope: Benchmarks were reviewed October 24, 2026. Figures apply to the scope and market named by each reference. City/state examples outside Portland Metro are not Portland quotes. Labor, equipment, recurring expenses and complete projects are different budgets.

Installation and project costs

Compare alternatives separately. A range includes installation only when its scope says so. Do not add overlapping totals together.

Project or reference Published benchmark Basis and scope
Cost to raise a roof $30,000 – $70,000 total cost to raise a roof
Fiberglass shingle roof cost $3 – $5 installed cost per square foot
Fiberglass shingle roof cost $5,700 – $12,000 total cost to install
Composite roof cost $7 – $14 cost per square foot
Composite roof cost $15,000 – $26,500 total cost to install
Garage roof replacement cost $4 – $12 cost per square foot
Garage roof replacement cost $2,400 – $6,000 cost for 2-car garage roof
Roof truss prices $5 – $14 cost per square foot of roofing area (installed)
Roof truss prices $7,500 – $35,000 cost to frame a roof with trusses
Cost to replace roof decking $2 – $5 cost per square foot installed
Cost to replace roof decking $2,400 – $8,600 total cost to install
Roof replacement cost — Roof replacement $5,700 – $16,000 average project, scope-dependent
Roof replacement cost — Asphalt shingles $3 – $6 per sq ft installed
Roof replacement cost — Metal roofing $5 – $16 per sq ft installed
Roof replacement cost — Flat roofing $3 – $11 per sq ft installed
Shed roof replacement cost $3 – $6 cost per square foot (asphalt shingles)
Shed roof replacement cost $7 – $16 cost per square foot (metal roofing)
Cedar shake roof cost $12 – $20 cost per square foot installed (synthetic cedar shake)
Cedar shake roof cost $25 – $30 cost per square foot installed (real cedar shake)
Roofing shingles prices — Shingle roof $300 – $600 per roofing square, installed
Roofing shingles prices — Average house roof $5,700 – $16,000 installed project
Average cost to tear off and replace roof $3 – $6 cost per square foot to replace a roof
Average cost to tear off and replace roof $5,700 – $16,000 total cost to replace a roof
Roof underlayment replacement cost $1,100 – $9,000 total cost to replace
Architectural shingles cost $400 – $600 cost per square installed (100 SF)
Architectural shingles cost $7,000 – $16,000 cost of roof replacement
Asphalt shingle roof cost $3 – $5 cost per square foot installed
Asphalt shingle roof cost $5,700 – $12,000 cost to install asphalt shingles
Roll roofing cost $3,200 – $12,000 total cost to install

Labor cost

Labor or hourly figures are separate from equipment purchases. Do not add them to a total that already includes labor.

Project or reference Published benchmark Basis and scope
Roof replacement cost — Standard roofing labor $150 – $300 per roofing square; installation labor only
Roofing shingles prices — Shingle installation $200 – $300 per roofing square, labor only

Related BidPDX cost guides

Explore the related BidPDX guides for project benchmarks and planning details.

Before requesting bids

Share measurements, photos, location, existing conditions and the desired result. Ask for a written scope covering preparation, permits, removal, material specifications, installation, disposal and finish repairs where relevant. Compare bids using the same quantities and exclusions.


Material cost

Purchase-only prices below are not complete installed totals. Confirm quantities, delivery and product specifications. Do not add these to totals already including materials.

Project or reference Published benchmark Basis and scope
Best roofing shingles brands $80 – $170 per square (100 SF of materials)
Roof truss prices $60 – $500 cost per truss (material only)
Roof replacement cost — 3-tab asphalt shingles $80 – $130 per roofing square, material only
Roof replacement cost — Architectural shingles $100 – $250 per roofing square, material only
Roof replacement cost — Metal roofing $100 – $800 per roofing square, material only
Roofing shingles prices — Asphalt shingle bundle $27 – $85 per bundle, about 33 sq ft, material only
Roofing shingles prices — Asphalt shingles $80 – $250 per roofing square, material only

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