Holtzman Home Improvement (602) 323-6574 Home Renovation Phoenix Arizona. Holtzman Home Improvement is a high quality five - star rated home improvement company. We work closely with many vendors and pass on the contractors discounts we get, directly to our clients for the best price. From large full-scale home additions to small home renovations, we do it all! We are guided by the following principles: Individual approach to the client, Professionalism, Creativity, Dedication to quality and service, Innovation, Quick and efficient workmanship. We can assistyou with any of your home improvement, renovation and remodeling services for the entire Phoenix Arizona area. Call Holtzman Home Improvement and receive a free estimate for your home remodeling needs. Call (602) 323-6574 or email at [email protected]