How much do projects cost in Portsmouth, NH?
Portsmouth contractor pricing runs 22% above the national average. Every guide below is adjusted to local labor rates, permits and climate.
Local labor
Licensed trade labor in Portsmouth runs about 122% of the national average, and the best crews book out fastest in spring and early summer.
Permits & code
Most Portsmouth, NH projects that change structure, electrical, plumbing or mechanical systems need a permit from the local building department; cosmetic work usually does not.
Climate
New Hampshire weather drives material choices here, so ask contractors what they install most often in Portsmouth and why.
Construction costs in Portsmouth
Fence Installation cost in Portsmouth
$1,830 – $4,880
Roof Replacement cost in Portsmouth
$10,370 – $41,480
Kitchen Remodel cost in Portsmouth
$21,960 – $115,900
HVAC Replacement cost in Portsmouth
$6,710 – $21,960
Deck Building cost in Portsmouth
$5,368 – $14,640
Window Replacement cost in Portsmouth
$549 – $1,830
Bathroom Remodel cost in Portsmouth
$7,930 – $46,360
Interior Painting cost in Portsmouth
$1,464 – $7,320
Roof Repair cost in Portsmouth
$488 – $2,196
Siding Installation cost in Portsmouth
$8,540 – $26,840
Flooring Installation cost in Portsmouth
$1,952 – $7,930
Concrete Driveway cost in Portsmouth
$4,270 – $11,590
Plumbing Repair cost in Portsmouth
$220 – $1,037
Electrical Panel Upgrade cost in Portsmouth
$2,196 – $5,490
Solar Panel Installation cost in Portsmouth
$18,300 – $39,040
Water Heater Installation cost in Portsmouth
$1,464 – $4,270
Landscaping cost in Portsmouth
$3,660 – $18,300
Tree Removal cost in Portsmouth
$488 – $2,196
Garage Door Installation cost in Portsmouth
$1,098 – $4,270
Foundation Repair cost in Portsmouth
$2,684 – $10,370
Gutter Installation cost in Portsmouth
$1,098 – $3,416
Basement Waterproofing cost in Portsmouth
$3,660 – $14,640
Home Addition cost in Portsmouth
$54,900 – $170,800
Pool Installation cost in Portsmouth
$42,700 – $103,700
Asphalt Paving cost in Portsmouth
$2,196 – $5,124
Exterior Painting cost in Portsmouth
$3,660 – $10,980
Drywall Installation cost in Portsmouth
$1,830 – $4,270
Insulation Installation cost in Portsmouth
$2,196 – $6,588
Tile Installation cost in Portsmouth
$1,708 – $6,100
Countertop Installation cost in Portsmouth
$2,196 – $6,588
Cabinet Refacing cost in Portsmouth
$3,050 – $10,736
Hardwood Floor Refinishing cost in Portsmouth
$2,928 – $7,808
Carpet Installation cost in Portsmouth
$2,989 – $9,394
Stucco Repair cost in Portsmouth
$1,952 – $6,100
Pressure Washing cost in Portsmouth
$275 – $915
Sod Installation cost in Portsmouth
$3,294 – $8,052
Sprinkler System Installation cost in Portsmouth
$4,392 – $8,784
Retaining Wall Installation cost in Portsmouth
$4,575 – $10,980
Patio Installation cost in Portsmouth
$3,660 – $10,980
Epoxy Garage Floor Coating cost in Portsmouth
$2,196 – $6,588
Chimney Repair cost in Portsmouth
$549 – $4,270
Mold Remediation cost in Portsmouth
$1,757 – $4,392
Septic System Installation cost in Portsmouth
$7,320 – $24,400
Sewer Line Replacement cost in Portsmouth
$5,856 – $18,300
Water Well Drilling cost in Portsmouth
$6,100 – $15,860
Sump Pump Installation cost in Portsmouth
$732 – $3,050
Water Softener Installation cost in Portsmouth
$1,464 – $4,270
Standby Generator Installation cost in Portsmouth
$10,980 – $21,960
EV Charger Installation cost in Portsmouth
$976 – $3,050
Smart Home Installation cost in Portsmouth
$1,464 – $4,880
Home Security System Installation cost in Portsmouth
$1,171 – $4,392
Ductwork Replacement cost in Portsmouth
$4,575 – $10,980
Heat Pump Installation cost in Portsmouth
$8,052 – $16,470
AC Repair cost in Portsmouth
$183 – $1,830
Furnace Repair cost in Portsmouth
$183 – $1,708
Boiler Installation cost in Portsmouth
$5,490 – $13,420
Radon Mitigation cost in Portsmouth
$1,098 – $3,050
Asbestos Removal cost in Portsmouth
$3,660 – $14,640
Water Damage Restoration cost in Portsmouth
$1,952 – $5,856
Basement Finishing cost in Portsmouth
$34,160 – $87,840
Garage Conversion cost in Portsmouth
$29,280 – $73,200
ADU Construction cost in Portsmouth
$183,000 – $366,000
Sunroom Addition cost in Portsmouth
$29,280 – $97,600
New Home Construction cost in Portsmouth
$402,600 – $1,073,600
Demolition Services cost in Portsmouth
$7,320 – $27,450
Excavation and Grading cost in Portsmouth
$9,150 – $27,450
Junk Removal cost in Portsmouth
$439 – $878
Gutter Cleaning cost in Portsmouth
$220 – $549
Snow Removal cost in Portsmouth
$732 – $2,196
Appliance Repair cost in Portsmouth
$146 – $793
Home Inspection cost in Portsmouth
$427 – $854
Insurance costs in Portsmouth
Loans costs in Portsmouth
Legal costs in Portsmouth
Construction Lawyer cost in Portsmouth
$4,575 – $10,980
Contractor Dispute Attorney cost in Portsmouth
$6,100 – $13,420
Mechanics Lien Attorney cost in Portsmouth
$610 – $4,270
Construction Defect Lawyer cost in Portsmouth
$13,420 – $29,280
Construction Contract Review Attorney cost in Portsmouth
$488 – $3,050
Construction Accident Lawyer cost in Portsmouth
$1,830 – $14,640
Permit and Zoning Attorney cost in Portsmouth
$3,294 – $7,320
HOA Dispute Attorney cost in Portsmouth
$2,745 – $6,100
Property Insurance Claim Lawyer cost in Portsmouth
$610 – $7,320
Real Estate Closing Attorney cost in Portsmouth
$732 – $3,050
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