916-895-3140 | 209-996-2251

About Us

About BJ?

Bj Wozniak is a licensed general contractor specializing in replacement windows and doors. He has had over 30 years of experience in selling and installing replacement windows and doors all over Northern California.

He opened Golden Valley Windows in 1996 because his vision was to make window replacement affordable for all customers. By eliminating the salesman’s commission Bj is able to help the customer pick the right product, order it, and install it all himself saving the customer money.

His vast experience with many different window manufacturers gives him the knowledge and ability to assist the customer in selecting the right style and size.

Bj is very detailed and prides himself on giving the customer a clean and safe experience. In these uncertain times, it’s important to choose an honest and reputable contractor. 

Bj is a member of better business bureau 

BJ Wozniak Full Body
BJ Wozniak

My Skill

  • Building Engineering 97% 97%
  • Patio Renovation 97% 97%
  • Design 95% 95%
  • Installation 100% 100%


What our clients say about their experience

BJ did an excellent job ordering and installing our windows and patio door. It was a total of 13 windows, 1 patio, and 1 garden window. My wife and I were very impressed with BJ from the beginning in picking out our windows all the way to installation and explaining the warranty.

He is extremely knowledgeable and dedicated to his work. We would hight recommend BJ as we are extremely satisfied with his service.

Donald C.

We got various quotes and BJ was the most knowledgeable and affordable. We liked that we were dealing with the contractor in all phases.

He helped us select the best product for us and our budget, and followed through with a clean and professional installation.

We would highly recommend BJ to anyone wanting to upgrade their windows and doors.

Robyn L.

Wow! BJ did a fantastic job replacing our windows and patio door.

He was very knowledgeable and explained in detail the different types of windows and various prices.

I love the way my house now looks and I plan to have him replace windows on my rental properties.

We definitely recommend BJ of Golden Valley Windows and Doors.

John L.

100% Satisfaction Guaranteed

Alside Windows
Monte Verde Windows
Milgard Windows
Anlin Windows
Simonton Windows