Our Team

Window Logic is a family-owned business offering window and door replacement, as well as general contractor services in the Worcester County area.

Joe O’Brien, a 4th-generation tradesman, founded Window Logic in 1994. Joe has been in the construction business since the 1970’s. His sons, Joe and Jamie, have joined him in Window Logic, carrying the tradition of fine craftsmanship into the next generation.


Window Logic General Contractors, Inc.

Joe takes great pride in Window Logic and all his employees. He personally manages all projects – from a simple door replacement, to window replacements, to all kinds of general contracting.


Window Logic is dedicated to customer satisfaction. You can feel comfortable knowing we hold the following licenses: CSL#73717 and HIC#119956. And, if your house was built before 1978, you’ll be relieved to learn that we are an
EPA certified contractor.

We’re committed to remodeling and to serving you with quality and value. We'll come to you, listen to your needs and wants, and then come back to you with a logical, feasible plan that works for you. Our first-time customers continually become our long term customers time and time again, choosing us for all their remodeling needs. Call us today, and see what our commitment to quality is all about! We may not be related, but you’ll feel like we’re family.


We've got too many loyal clients to count here at Window Logic, but we can tell you that most return to us again and again for their windows, doors, and general contracting needs.

We love our clients and we think it’s mutual. We’re flattered that they refer us to their friends, neighbors, and co-workers. In fact, word-of-mouth referrals has always been how we get to meet many of our new clients.

If you haven't heard of us, ask around. Our reputation really does precede us. We service clients in the whole Worcester County area, including Grafton, Westborough, Shrewsbury, Northborough, Upton, Southborough and more.