Extreme Windows and Doors is the trusted general contractor for top-quality windows and doors installation in Newark, CA, and surrounding areas. Our team of experts specializes in vinyl windows, casements, vinyl doors, residential doors and windows installation, and more! If you are looking for a stress-free and seamless window installation or replacement option, look no further than Extreme Windows and Doors. We understand that choosing the right windows and doors for your home is an important investment. That's why we offer free estimates to ensure our clients get the best value for their money. Our expert team is committed to delivering top-quality products and exceptional service from start to finish, ensuring that you feel valued and confident in your choice of windows and doors.