The 10 Best Home Addition Contractors in Wilmington, DE

JSF Construction is a fully licensed and insured general contracting company with decades of experience. ​ Founded in 1981, JSF Construction continues to serve residents and businesses of Delaware, North Eastern Maryland, and South Eastern Pennsylvania.

General Contractors specializing in kitchens, bathrooms, decks, flooring and trim work. We provide quality work for a fair price. With over 25 years of experience, we can handle any large or small home project. We are also licensed electricians.

Mr. Harrison is the President of H&S Construction & Supply, LLC., a privately held, full service custom home builder and land development company licensed in Pennsylvania and Delaware. In 2008, while working with the Harrison family’s nonprofit, Integrated Social Solutions and their consulting/investment company, H&S Enterprise, Inc., Broderick began researching, learning, and developing the... (more)

Full Service Residential Contractor - Exterior & Interior Improvements -Serving Most Areas of Delaware & Southern PA Areas

Notable project: (Commercial tenant fitout. 3521 Silverside Rd, Wilmington, DE, 19810). Installation of storage locker on existing loading dock

Notable project: (Residential addition. 1705 Foulk Rd, Wilmington, DE, 19803). 425 sf bedroom/full bath/living room/mudroom addition on a crawl space foundation with a 98 sf open porch with steps and ramp to grade (rev. 5/8/14: stick frame roof and change wall layout)(rev. 7/16/14: addition 4'x8 landing 4'x16'ramp to grade)

Notable project: (Residential addition. 301 Boxwood Rd, Wilmington, DE, 19804). Phase 1 - renovation of existing structure (2nd floor apartments) plus adding deck w/steps to grade on side (phase 2 is permit #201503594)

Robert M Williams, a local Delawarean started his construction business in 1979. Robert has built over 610 homes within this time frame. Homes range in value from $250,000 to $750,000. He has been in Middletown Village, The City Of Wilmington, Garrison Lake Green, Charwood Estates, BrynMor Estates and various custom home sites throughout New Castle County, & Kent County. A neighborhood located... (more)

Notable project: (Residential addition. 4604 Muggleton Rd, Wilmington, DE, 19808). Installation of basement egress window

Notable project: (Residential addition. 21 Country Gates Dr, Wilmington, DE, 19810). 25'x15 --30"h (375 sf) rear deck

Notable project: (Residential addition. 2218 Old Orchard Rd, Wilmington, DE, 19810). 13'6"x8'4 bathroom addition (rev - 10/28/16 - old roof support modification)

Notable project: (Commercial tenant fitout. 1127 Valley Rd, Hockessin, DE, 19707). Dental office fit-out (2, 227 sf) (rev. 12/27/13: structural support revision by structural engineer)

From repairs to remodeling, ECM Carpentry is a one-stop-shop for all of your home improvement needs! Our company will be sure to deliver quality workmanship and ensure a guaranteed satisfaction on all our projects whether remodeling, renovation, or an addition. We offer residential and commercial services that encompass all of Delaware and Southeastern portions of Pennsylvania. We take pride in... (more)

Notable project: (Residential addition. 131 Wyeth Way, Hockessin, DE, 19707). Install replacement chimney chase cap into existing chimney

Notable project: (Commercial remodel. 3890 Truxel Rd, Sacramento, CA, 95834). Remodel of suite 300 - c/o millwork new lighting and finishes

Notable project: (Residential addition. 619 Cranhill Dr, Wilmington, DE, 19808). 7 x 7 open front porch

Notable project: (Residence repipe. 25186 Via Ln, Laguna Niguel, CA, 92677). Includes units 25184 25182 and 25192 las palmas