2006年房屋改善成本参考

ROOFING / FLASHINGS / CHIMNEYS

Install conventional asphalt shingles over existing shingles …………………

$1.50 – $2.50 per sq. ft.

Strip and reshingle on low to medium sloped roof ……………..…………

$2.50 – $3.50 per sq. ft.

Strip and reshingle on steep, high or complex roof …………………………

$4.00 – $7.00 per sq. ft.

Strip and re-roof with cedar shingles…………………………………………

$7.00 – $10.00 per sq. ft.

Strip and replace built-up tar and gravel roof …………………..……………

$8.00 – $12.00 per sq. ft. (min. $1000)

Strip and install single-ply roof membrane ……………………..……………

$6.00 – $10.00 per sq. ft. (min. $1000)

R-flash typical skylight or chimney …………………………………………

$300.00 – $500.00 per sq. ft.

Repoint typical chimney above roof line …………………….………………

$6.00 – $8.00 per sq. ft. (min. $250)

Rebuild typical single flue chimney above roof line …………………………

$150.00 – $300.00 per lin. ft  (min. $500)

EXTERIOR

Install galvanized or aluminum gutters and downspouts………..……………

$4.00 – $5.00 per lin. ft. (min. $500)

Install aluminum soffits and fascia …………… ……………….……………

$8.00 – $12.00 per sq. ft.

Install aluminum or vinyl siding …………………. …………………………

$3.00 – $5.00 per sq. ft.

Re-point exterior wall: soft mortar ……………………………… …………

$3.00 – $4.50 per sq. ft. (min. $500)

                                    hard mortar ………… …………………..……………

$6.00 – $8.00 per sq. ft. (min. $500)

Parge foundation ………………………………………………..……………

$3.00 – $4.00 per sq. ft.

Dampproof foundation walls and install weeping tiles ………………………

$150.00 – $200.00 per lin. ft. (min. $1000)

Install a deck ……………………….…………………………………………

$25.00 – $40.00 per sq. ft. (min $1000)

Resurface existing asphalt driveway …………………………………………

$2.50 – $4.00 per sq. ft.

Install interlocking brick driveway ……………………………..……………

$6.00 – $8.00 per sq. ft.

Rebuild exterior basement stairwell …………………………….……………

$3500.00  – $5000.00

Build detached garage: single …….…………………………….……………

$8000.00  and up

                                      double …….…………………………………………

$12000.00 and up

Build retaining wall: wood …….………………………………………………

$20.00 – 25.00 per sq. ft. (min $500)

                                  concrete …….…………………………….……………

$30.00 – $40.00 per sq. ft. (min $500)

Painting: trim only …….…………………………………………….……………

$1500.00 – $2500.00

               trim and wall surfaces …….…………………………..……………

$3000.00 and up

STRUCTURE

Underpin one corner of house …….……………………………..……………

$3500.00 and up.

Underpin or add foundations …….……………………………………………

$300.00 and up per lin. fit (min. $3000)

Lower basement floor by underpinning and/or bench footings … ……………

$150.00 – $300.00 per lin. fit (min. $5000)

Replace deteriorating sill beam with concrete…….……………………………

$60.00 and upper per lin. fit (min. $500)

Install basement support post with proper footing …………………………..

$300.00 – $500.00

Perform chemical treatment for termites …….………………….……………

$1700 and up

Repair minor crack in poured concrete foundation ……………..……………

$400.00 – $800.

ELECTRICAL

Upgrade electrical service to 100-amps (including new panel) …

$1000.00 – $1300.00

Upgrade electrical service to 100 amps……………………………….

       (if suitably sized panels already exists) …………………….

$500.00 – $800.00

Upgrade electrical service to 200 amps …………………………

$1800.00 – $2200.00

Install new circuit breaker panel ………………………………..

$500.00 – $800.00

Replace circuit breaker  (20 amp or less) ……………………….

$50.00 – $100.00

Add 120 volt circuit (microwave, freezer, etc.) …………………

$150.00 – $300.00

Add 240 volt circuit (dryer, stove, etc.) …………………………

$250.00 – $300.00

Add conventional receptacle ……………………………………

$150.00 – $300.00

Replace conventional receptacle with

     ground fault circuit interrupter receptacle …………………

$60.00 – $90.00

Replace conventional receptacle with aluminum compatible

     type (CO/ALR) (assuming several are required ……………

$10.00 – $15.00 each

Upgrade entire house with aluminum

     compatible connectors, receptacles, etc………………………

$500.00 – $1000.00

Rewire electrical outlet with reversed polarity

     (assuming electrician is already there) ………………………

$5.00 – $10.00 each

HEATING

Install mid efficiency forced-air furnace ………………………..

$2000.00 – $4000.00

Install high efficiency forced air furnace ……………………….

$3500.00 – $6000.00

Install humidifier ………………………………………………..

$200.00 – $400.00

Install electronic air filter ……………………………………….

$500.00 – $800.00

Install mid efficiency boiler …………………………………….

$2500.00 – $5000.00

Install high efficiency boiler ……………………………………

$5000.00 –  $9000.00

Install circulating pump …………………………………………

$400.00 – $600.00

Install chimney liner for gas appliance …………………………

$400.00 – $800.00

Install chimney liner for oil appliance ………………………….

$700.00 – $1800.00

Install programmable thermostat ……………………………….

$200.00 – $300.00

Replace indoor oil tank …………………………………………

$1200.00 – $2500.00

Remove oil tank from basement ………………………………..

$400.00  and up

Remove abandoned underground oil tank ………………………

$3000.00 and up

Replace radiator valve ………………………………………….

$250.00 – $500.00

Add electric baseboard heater ………………………………….

$250.00 – $400.00

Convert from hot water heating to forced air: bungalow ……….

$8000.00 – $10000.00

                                                                         two storey ………

$15000.00 – $20000.00

Clean ductwork …………………………………………………

$200.00 and up

COOLING / HEAT PUMPS

Add central air conditioning on existing forced-air system ….………………..

$2000.00 – $3000.00

Add heat pump on existing forced-air system ………………………………..

$4000.00 – $5000.00

Replace heat pump or air conditioning condenser ……………………………

$1200.00 – $2500.00

Install independent air conditioning condenser ………………………………

$8000.00 – $15000.00

Install ductless air conditioning system ………………………………………

$3000.00  and up

INSULATION

Insulate open attic area to modern standards …………………………………

$0.50 – 1.25 per sq. ft.

Blow insulation into flat roof, cathedral ceiling or wall cavity  ………………

$2.00 – $2.50 per sq. ft.

Improve attic ventilation ………………………………………………………

$40.00 – $50.00 per vent

PLUMBING

Replace galvanized piping w/copper (2 storey w/one bedroom)

$2000.00 – $3000.00

Replace water line to house …………………………………….

$2000.00 and up

Replace toilet ……………………………………………………

$400.00 and up

Replace basin, including faucets ………………………………..

$500.00 and up

Replace bathtub, including ceramic tile and faucets ……………

$2500.00 and up

Install whirlpool bath, including faucets ………………………..

$3000.00 and up

Retile bathtub enclosure …………………………………………

$800.00 – $1200.00

Replace leaking tile shower stall pan …………………………..

$1000.00 – $1600.00

Rebuild tile shower stall …………………………………………

$1500.00 – $2500.00

Replace laundry tube ……………………………………………

$250.00 – $500.00

Remodel bathroom completely (4 pc) …………………………..

$6000.00 and up

Connect waste plumbing system to municipal sewers ………….

$3000.00 and up

Install submersible pump ……………………………………….

$800.00 and up

Install suction or jet pump ………………………………………

$400.00 to $600.00

Install modest basement bathroom ………………………………

$4000.00 and up

INTERIOR

Add drywall over plaster ………………………………………..

$1.50 – $2.50 per sq. ft.

Sand and refinish hardwood floors ……………………………..

$1.50 – $3.00 per sq. ft.

Install replacement windows ……………………………………

$50.00 – $100.00 per sq. ft

Install storm windows …………………………………………..

$100.00 – $300.00 each

Install masonry fireplace (if flue already roughed in) ………….

$2000.00  and up

Install “factory built”

     fireplace (including chimney, cosmetics extra) ……………..

$3000.00 and up

Install glass doors on fireplace ………………………………….

$300.00 and up

Install skylight …………………………………………………..

$1500.00 – $3000.00

Remodel kitchen completely ……………………………………

$10000.00  and up

Install gas fireplace (cosmetics extra) …………………………..

$2500.00 and up