Window Replacement Cost Costs Across Maryland
Maryland window replacement planning ranges from $6,720 to $20,340 for 12 windows (installed). The displayed city ranges apply NumeralQ's city-level multipliers to a national planning baseline; they are not observed local contractor prices.
Actual project quotes may vary based on home size, materials, site conditions, code requirements, and the contractor selected.
City-by-City Window Replacement Cost Table
| City | Typical Cost (12 windows) | vs. National Avg. |
|---|---|---|
| Baltimore | $6,720 – $20,160 | ↑ Above avg. |
| Rockville | $6,780 – $20,340 | ↑ Above avg. |
How Maryland Window Replacement Ranges Are Calculated
City and state planning ranges use the selected quantity of windows, the selected material or project option with the city-level location context for the markets listed above.
The state range summarizes the city planning outputs shown on this page. Underlying rates and location adjustments are not listed here; these are planning outputs, not observed local transactions or contractor quotes.
Related Cost Guides for Maryland Homeowners
Energy-efficient window tax credits (IRA 25C) of up to $600/year apply to qualifying 2026 installations — significantly improving ROI in high-energy-cost states.