The following costs are intended as a ball [ark estimates for a typical three bedroom home. The costs have been categorized in a similar fashion to the systems covered in the blue tab sections. Where appropriate, typical life expectancies are included in parenthesis. The figures for life expectancy of some components will vary with the severity of weather in the region. The design, quality of installation and level of maintenance can also drastically affect life expectancy. The figures included labor and materials.


1.Conventional asphalt shingles insalled over existing shingles $1.25 - $1.75 per sq ft(twelve to fifteen years)
2.Strip and reshingle with conventional asphalt shingles$2.00 - $3.00 Per sq.ft(twelve to fifteen years)
3.Strip and reshingle with top quality asphalt shingles$2.75 - $3.75 per sq ft(twelve to thirtyyears)
4.Strip and reshingle with low slope asphalt shingles$2.75 - $4.00 per sq ft(twelve to fifteen years)
5.Strip and re-roof with ceder shingles$5.00 - $7.00 per sq ft(twenty to forty years)
6.Strip and re-roof with ceder shakes$6.00 - $8.00 per sq ft(twenty-five to fifty years)
7.Install concrete tile roofing (assuming no structural reinforcement)$5.00 - $7.00 per sq ft(fifty years and up)
8.Install new slate roof$10 - $20 per sq ft(forty to two hundred years
9.Repair loose slates or tiles$30 per slate / tile(minimum $300
10.Install roll roof$1.00 - $2.00 per sq ft(five to ten years)
11.Strip and replace built up tar and gravel roof$4.00 - $6.00 per sq ft (minimum $1000)(fifteen to tenty years)
12.Strip and install single ply roof membrane$4.00 -$6.00 persq ft (minimum $1000)(unknown-estimate twenty years)
13.Improve flat roof drainage prior to installation of new membrane$2.00 - $3.00 per sq ft 
14.Paint singleply membrane$0.25 - $0.50 per sq ft (minimum $200) 
15.Install sheet metal on small roof surfaces$8.00 - $20.00 per sq ft 
16.Reflash standard chimney asphalt shingle roof built-up or single ply membrane

$300 - $500
$400 - $700

17.Instasll a metal cricket at wide chimney$300 - $500 
18.Reflash standard skylight asphalt shingle roof built-up or single ply membrane$300 - $500
$400 - $700
19.Repair valley flashings on existing roof$20 - $30 per lin ft (minimum $300) 
20.Replace parpet wall flashing$20 - $30 per lin ft (minimum $300) 
21.Rebuild typical chimney above roofline  
 single flue$100 - $150 per lin ft (minimum $300) 
 double flue$150 - $250 per lin ft (minimum $500) 
22.Install Concrete slab patio$5.00 - $8.00 per sq ftthirty forty years
23.Instasll concrete patio stones$2.00 - $5.00 per sq ft 
24.Rebuild Exterior basement stairwell$2500 - $5000 
25.Install drain at existing basement stairwell$500 - $800 
26.Build deteched garage  
 single$7000 and up 
 double$12000 and up 
27Break wood / soil contact at detached garage$25 - $40 per lin ft (minimum $500) 
28Demolish and remove detached garage$2500 and up (very dependant on dumping costs) 
29Install garage door  
 single metal one-piece$600 - $800 
 single wood sectional$800 - $1000 
 double wood sectional$1200 - $1500 
30Install garage door opener$300 - $450(eight to twelve years)
31Build retaining wall  
 wood$25 - $50 per sq ft 
 concrete$30 - $40 per sq ft 
32Replace porch steps  
 wood$200 - $300 
 concrete$300 - $500 
33Replace porch flooring$4.00 - $6.00 per sq ft 
34Replace porch skirting$10.00 - $15.00 per lin ft 
35Replace step railing $1.00 - $2.00 per sq ft 
36Install fencing  
 wood$25 - $50 per lin ft 
 chain link$7.00 - $12.00 per lin ft 
37Lay sod$1.00 - $2.00 per sq ft 
38Install lawn sprinkler system$1000 and up 

1.Underpin one corner of house$3500 and up 
2.Underpin or add foundations$300 and up per lin ft (minimum $500) 
3.Lower basement floor by underpinning and / or bench footings$150 - $300 and up per lin ft (minimum $5000) 
4.Replacedeteriorating still beam with concreate$60 and up per lin ft (minimum $500) 
5.Replace main beam in basement (unfinished)$1000 - $2000 
6.Re-support joist by sistering another alongside$100 - $300 (depends how much wiring, piping or ductwork is in the way) 
7.Install basement support post with proper foundation$200 -$400 
8.Chemical treatment for termitesRoughly $1200(ten to twenty years)
9.Termite inspection performed by a specialist$125 - $200 
10.Remove or open bearing wall$2000 and up (exclusive of decorating) 
11remove partition wall$500 - $1500 (exclusive of decorating) 
12Install door opening in interior wall$500 - $1000 (exclusive of decorating) 

1.Install conventional or mid efficiency forced-air furnace$1500 - $2500(twenty to twenty-five years)
2.Install high efficiency forced-air furnace$2500 - $3500(unknown-estimated twenty to twenty to twenty five years)
3. Annual service by heating contractor$50 - $100 
4.Replace blower and / or motor$300 - $800 
5.Install drum type humidifier$125 - $200(five to twenty year)
6. Install electric air filter$500 - $800(ten to twenty years)
7.Install conventional boiler$5000 - $7500(unknown-estimated twenty to twenty-five years)
8.Install high efficiency boiler$5000 - $7500(unkown - estimated twenty to twenty-five years
9.Rebuild firepot (refractory) on boiler$500 - $800 
10. Install circulating pump$400 - $600(ten to twenty-five years)
11.Install expansion tank$250 - $300 
12.Install backflow preventer$100 - $150 
13.Install chimney liner$300 - $700 
14.Install set-back thermostat$100 - $300 
15.Remove oil tank$150 - $400 
16.Replace radiator valve$75 - $150 
17.Replace radiator$500 - $900 
18.Add electric baseboard heater$150 - $250(fifteen to twenty-five years)
19.Convert oil furnace to gas (if possible)$1000 - $1200 
20.Convert from hot water heating to forced air  
 bungalow$8000 - $10000 
 two story$15000 - $20000 
21.Clean ductwaork$100 - $300 
22.Ductwork modifications for conversion from gravity fed warm air furnace to forced air$1000 - $1500 

1.Add central air conditioning on existing forced-air system$2000 - $3000(ten to fifteen years)
2.Add heat pump on existing forced-air system$3000 - $7000 (dependant on source of heat)(ten to fifteen years)
3.Replace heat pump or air conditioning compressor$800 - $1400(ten to fifteen years)
4.Install independant air conditioning system$8000 - $15000(ten to fifteen years)
5.Annual service performed by technician$100 - $200 
6.Install basement bathroom$3500 and up 
7.Replace laundry tubs$250 - $500(fifteen to twenty-five years)
8.Install laundry facilities$900 and up 
9.Remodel bathroom completely$5000 and up 
10.Install kitchen sink  
 single$300 and up(fifteen to twenty-five years)
 double$400 and up(fifteen to twenty-five years)
11.Install solid waste pump$1200 - $1800(five to ten years)
12.Connect waste plumbing system to municipal sewers$3000 and up 
13.Snake out obstruction in main sewer line below yard$200 - $400 
14.Repair collapsed or damaged section of sewer line below yard$800 and up 
15.Install submersible pump in well$1000 and up(ten to fifteen years)
16.Install suction or jet pump for well$600 - $800(ten to fifteen years)
17.Replace water tank for pump$250 - $300 
18.Install water softener$1000 and up(ten to fifteen years)
19.Install outdoor faucet$150 - $250 
20.Replace sump pump$150 - $250(two to seven years)
21.Install suana$3000 and up 

1.Add drywall over plaster$1.50 - $2.50 per sq ft 
2.Remove old plaster and install drywall$3.50 - $4.50 per sq ft 
3.Add wire lath and new plaster over existing plaster$3.00 - $4.00 per sq ft 
4.Spray stipple on existing ceiling$3.00 - $5.00 per sq ft 
5.Install suspended tile ceiling$1.00 per sq ft 
6.Install drywall on unfinished basement ceiling$1.50 - $3.00 per sq ft 
7.Install on unfished basement ceiling$2.50 - $3.00 per sq ft 
8.Sand and refinish hardwood floors$1.50 - $3.00 per sq ft 
9.Install hardwood floors  
 3/8" thick$6 - $8 per sq ft 
 3/4" thick$10 - $12 per sq ft 
10.Install parquet flooring$5 - $7 per sq ft 
11.Install ceramic floor tiles$15 and up per sq ft 
12.Install vynil floor tiles$3 and up per sq ft 
13.Install sheet vinyl$7 - $12 persq ft 
14.Install synthetic wall-to-wall carpet$25 - $50 per sq ft 
15.Install wool wall-to-wall xarpet$60 and up per sq yard 
16.Install underpad$5.00 per sq yard 
17.Clean carpets$30 per room
Douglas & Moore Real Estate, Inc.
Douglas & Moore Real Estate, Inc.
(650) 326-3306
101 California Ave, # D-109 Palo Alto CA 94306
no name available Douglas & Moore Real Estate, Inc.