• McDougall Project

Kostaris Construction, Inc. offers quality craftsmanship at a reasonable cost to the homeowner. We have done many projects, varying in scope and scale. What they all have in common is the unmistakable seal of the Kostaris name:

The Kostaris Difference: An unparalleled commitment to quality.

Don’t risk your home improvements on a ‘fly-by-night’ operation. In the long run, it’s best to work with a professional. Kostaris Construction is Licensed, Bonded and Insured.  We stand by our reputation and the endorsements of satisfied home owners.

Free No-Obligation Consultation

Please call us at (301) 762-6818 or use the contact form below

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Custom Carpentry

  • Cabinets
  • Molding and Trim
  • Shelving
  • Stairs & risers
  • Spiral staircase
  • Bookcases & shelves
  • Pocket doors
  • Doors & windows

More of what we do

  • excavating & plumbing
  • HVAC
  • electrical
  • drywall
  • roofing
  • siding & insulation
  • doors & windows
  • radiators & boilers
  • And a whole lot more.

General Contracting

  • Renovations
  • Remodeling
  • Additions
  • Kitchens
  • Bathrooms
  • Decks & patios
  • Screened porches
  • Basements & attics
  • Home generators