About Us

Window Installation Specialists serving Central New Jersey for Over 30 Years!

Window Installation and Repair Specialists for Over 30 Years

James T. Markey Window Replacement has been family run since 1981. Markey specializes in the replacement, installation and repair of all types of windows as well as patio doors & entry doors.

Our service area includes Hunterdon County, Mercer County, Middlesex County, Monmouth County, Morris County and Somerset County, New Jersey.

"Markey LLC. conducts business in a honest, courteous and professional manner. The professionals I employ to work on your house are the same craftsmen I would use on my own home. I make sure I have the highest quality products available for your home and strive to make customer satisfaction the company’s top priority."

- James T. Markey
Owner, CEO

Rated #1 In Customer satisfaction

James T. Markey Home Improvement was rated #1 overall customer satisfaction in a recent home satisfaction survey

Why Choose Us

Find out why Markey Window Replacement is recommended more often than our competitors

Markey Window Replacement staff

Family owned and operated

James T. Markey Home Remodeling has been family owned and operated since 1981.

American Window & Door Certified

Our Company is Certified by the American Window & Door Institute for Window and Door Installation.

markey bow window installation

Factory Trained Window Installers

Our Professional Window Installers are Factory Trained, so they get the Job done right the first time, every time.

Highest Quality Brand-Name Products​

Markey LLC offers several high-quality lines of windows for New Jersey Homes and Businesses.


Qualified, Courteous And Professional Staff

Our Factory Trained Staff are not only qualified for the job, but offer courteous and professional service.

Low Cost

Markey Windows has the lowest Prices in town. We beat most estimates by 10% or more.