Highland, Maryland
ExteriorMax work for Highland, plus Glenwood and Lisbon. 9 ZIP codes in Howard County. ExteriorMax installs roofing, siding, windows, gutters, doors, and decks in Highland, Maryland under MD 142964. Maryland, Virginia, West Virginia, and Pennsylvania are authorized service areas. The business address is 6301 Ivy Ln, Suite 120, Greenbelt, MD 20770.
The same trades, for this area.
Each service has its own page. The materials and the install steps match the company-wide service. The ZIP list is what is specific to Highland.
Roofing
Owens Corning roof replacement and storm repair. A free 60-point inspection is written down and sent to you.
Roofing in Highland
Siding
CertainTeed vinyl, insulated vinyl, James Hardie fiber cement, and LP SmartSide engineered wood, plus new soffit and fascia.
Siding in Highland
Windows
ProVia replacement windows. Double-hung, casement, bay, bow, sliders, and awning, measured at the house.
Windows in Highland
Gutters
Seamless gutter installation, replacement, and gutter guards, sized to the roof and pitched to move water.
Gutters in Highland
Doors
Entry doors, sliding patio doors, hinged patio doors, and storm doors, fitted to the opening.
Doors in Highland
Decks
Composite and wood decks with railings, laid out to the doors and the grade, framed to code.
Decks in HighlandZones and ZIP codes
West Howard (Glenwood / Lisbon / Highland)
Glenwood, Lisbon, Highland. Howard County. Zone MD-HOWARD-WEST. ZIP codes: 20759, 20777, 21029, 21036, 21723, 21737, 21738, 21765, 21794.
From 2025-11-11 through 2026-11-11, National Weather Service severe reports for Howard County include this headline: 1 tornado reported in Howard County. That is a county record. It does not mean every home in these ZIP codes experienced that weather. The headline is county context. It is not a damage report for every ZIP listed here.
Nearby
Glenwood · Lisbon · Columbia · Elkridge · Ellicott City · Hanover · Jessup