Home Improvements Costs

Home Improvement Costs

The following costs are intended as ballpark estimates for repairs and/or improvements to a typical three bedroom home. Our experience has shown that actual contractor quotations can vary by as much as 300%. Naturally, the quality of workmanship and materials will influence costs. The complexity of the job, accessibility and even economic conditions can also alter actual costs.

Roofing / Flashings / Chimneys

Install conventional asphalt shingles over existing shingles $2.00 - $4.00 per sq.ft.

Strip and reshingle with conventional asphalt shingles $2.75- $5.50 per sq.ft.

Strip and reshingle with premium quality asphalt shingles $5.00 - $10.00 per sq .ft.

Strip and re-roof with cedar shingles $9.00 - $18.00 per sq .ft.

Strip and replace built-up tar and gravel roof $10.00 - $20.00 per sq.ft. (min. $1000)

Strip and replace single-ply membrane $10.00 - $20.00 per sq.ft. (min. $1000)

Reflash typical skylight or chimney $500.00 - $1000.00

Rebuild typical chimney above roof line $25.00 - $50.00 per row of bricks (min. $400)

Rebuild typical single flue chimney above roof line $200.00 - $400.00 per lin.ft. (min. $1000)

Exterior

Install galvanized or aluminum gutters and downspouts $5.00 - $10.00 per lin.ft. (min. $500)

Install aluminum soffits and fascia $8.00 - $16.00 per lin.ft.

Install aluminum or vinyl siding $6.00 - $12.00 per sq.ft.

Repoint exterior wall (soft mortar) $3.00 - 6.00 per sq.ft. (min. $500)

Repoint exterior wall (hard mortar) $5.00 - $10.00 per sq.ft. (min. $500)

Parge foundation walls $3.00 - $6.00 per sq.ft.

Dampproof foundation walls and install weeping tile $150.00 - $300.00 per lin.ft. (min. $3000)

Install a deck $25.00 - $50.00 per sq.ft. (min. $1000)

Resurface existing asphalt driveway $2.00 - $4.00 per sq.ft.

Install interlocking brick driveway $8.00 - $16.00 per sq.ft.

Rebuild exterior basement stairwell $5000.00 and up

Build detached garage $70.00 - $140.00 per sq.ft.

Build retaining wall (wood) $20.00 - $40.00 per sq.ft. (min. $500)

Build retaining wall (concrete) $30.00 - $60.00 per sq.ft. (min $500)

Painting (trim only) $2000.00 - $4000.00 and up

Painting (trim and wall surfaces) $5000.00 and up

Structure

Underpin one corner of house $5000.00 and up

Underpin or add foundations $300.00 and up per lin.ft. (min. $3000)

Lower basement floor by underpinning and/or bench footings $150.00 - $300.00 per lin.ft. (min. $5000)