ProVia replacement windows. Double-hung, casement, bay, bow, sliders, and awning, measured at the house. This page covers La Plata, plus Hughesville, Indian Head, and Cobb Island: 19 ZIP codes in Charles County.
The style is chosen for how the opening should move. We confirm it at the in-home measure.
Both sashes move, and they tilt in so you can clean the outside glass from inside.
Cranks open up to 90 degrees for ventilation, then closes tight against the frame.
Bay, bow, and special-shaped combinations. Framing holds the projection. Flashing keeps it dry.
Horizontal sliders, awning, and single hung when the wall wants a different motion.
You can feel air moving near the frame, or the room by the window never warms up.
Condensation trapped inside the glass means the seal between the panes has failed.
Windows that stick, will not stay up, or will not lock.
Heating and cooling working harder every season often points to the openings.
ExteriorMax installs roofing, siding, windows, gutters, doors, and decks in La Plata, 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 ZIP codes below are the zone list that names La Plata, along with Hughesville, Indian Head, and Cobb Island. They are not a city-limit map of La Plata alone.
Photos on this page are examples of ExteriorMax work and the products we install. They are not a job at a specific address.
La Plata, Hughesville, Indian Head, Cobb Island. Charles County. Zone MD-CHARLES-SOUTH. ZIP codes: 20610, 20611, 20612, 20617, 20625, 20632, 20637, 20640, 20645, 20646, 20658, 20661, 20662, 20664, 20675, 20677, 20682, 20693, 20695.
From 2025-11-11 through 2026-11-11, National Weather Service severe reports for Charles County include this headline: 1.25" hail recorded in Charles County. That is a county record. It does not mean every home in these ZIP codes experienced that weather. A county hail report is not a window inspection. Fog, drafts, and sashes that stick are what we look at on the opening.
$0 down financing for qualified homeowners. Plans are walked at the inspection. A small deposit holds the schedule. Financing details.
These are company-wide reviews. They are not filed as La Plata reviews, and we do not invent a local set.
One word: AWESOME. Roof replacement and all the windows. Chidi and Adam were professional. The installers were thorough.
Yes. This page covers La Plata, plus Hughesville, Indian Head, and Cobb Island: 19 ZIP codes in Charles County under MD 142964.
Double hung, Casement, Bay and bow, Sliders and awning. The style is chosen for how the opening should move. We confirm it at the in-home measure.
Measured in person, Old unit out, opening checked, Foamed, flashed, and sealed, Trim and walkthrough.
Permit rules differ by county. ExteriorMax handles the permit and HOA packet for the job. We do not publish a separate permit fee for La Plata.
$0 down financing for qualified homeowners. Plans are walked at the inspection. A small deposit holds the schedule.
Also in La Plata: Roofing in La Plata · Siding in La Plata · Gutters in La Plata · Doors in La Plata · Decks in La Plata.
Company-wide windows page · Signs a window needs replacement · La Plata overview
Cobb Island windows · Hughesville windows · Indian Head windows · Bryans Road windows · Waldorf windows
La Plata, plus Hughesville, Indian Head, and Cobb Island. ExteriorMax installs roofing, siding, windows, gutters, doors, and decks in La Plata, 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.