1,480 Ontario, CA Window Professionals

Essential to your Ontario, CA home’s beauty, function and feel, windows are one element for which it never pays to skimp. When they aren’t doing their job, you’ll know it, and the resulting leaks, drafts or other problems can be costly to rectify. Hire a trusted California professional to help you select and install your windows, and you’ll enjoy the rewards of your investment for years to come. More 
Los Angeles, 90025
46 miles from Ontario
Lion Windows and Doors is a full service, wholesale and retail company, offering window and door replacement and new construction throughout Southern California to homeowners,... Read More
Glendale, CA, 91204
36 miles from Ontario
Fusion Windows is a leading Los Angeles area window and door replacement and installation business. We’re headquartered in Glendale, CA, (northeast Los Angeles) and we are... Read More
Alpine Door & Trim (310) 212-6152
El Segundo, CA, 90245
45 miles from Ontario
Retailer of doors, windows, hardware, moulding and other finish carpentry materials Read More
Irvine, CA, 92618
25 miles from Ontario
Marketing, Sales of: Kolbe, Fleetwood, Pacific Architectural Millworks, Milgard, and Custom Mill window & door systems. We provide exterior envelope [Div 8] products for CSFD -... Read More
Sierra Madre, CA, 91024
24 miles from Ontario
Window Replacement Specialists pride ourselves on being experts in vinyl window and door replacements. All of our windows are custom built-to-order to ensure a proper fit. From... Read More
Culver City, CA, 90232
43 miles from Ontario
Glass Apps is the leading provider of Switchable Glass and Film that changes from clear and opaque states on demand and provides unprecedented control over the amount of light,... Read More
Anaheim, CA, 92806
21 miles from Ontario
WinDor proudly manufacturers, installs and guarantees only the highest quality vinyl replacement windows, replacement doors and solar energy systems to residents of Orange County,... Read More
Design Windows and Doors (909) 980-3003
Ontario, CA, 91762
From the business Specialties We specialize in a huge variety of window and door products. Our products and services include: * Windows: Vinyl Windows, Aluminum... Read More
Bramco Builders, Inc. (949) 439-0838
Tustin, CA, 92780
25 miles from Ontario
We have been a family owned business since 2003. We pride ourselves on exceptional quality work and customer service. We are committed to our Clients from design stage through... Read More
New View Remodel (714) 639-8439
santa ana, CA, 92705
23 miles from Ontario
We are a general contractor with 19 years' in business, a flawless license and a passion for helping homeowners make their home more energy efficient, comfortable and beautiful. ... Read More
TreeWindows (951) 966-5008
Yorba Linda, CA, 92887
14 miles from Ontario
Trees trained as they grow to become custom doors & windows. The process requires five to ten years of cultivating to manage the trees to the proper size and shape. They are grown... Read More
Vinyl Window Repair (951) 244-6051
Canyon Lake, CA, 92587
35 miles from Ontario
Vinyl Window Repair is a local (Canyon Lake, CA) mobile repair company owned and operated by Kyle and Andra, (husband and wife team). We specialize in one thing and its vinyl... Read More
WIT Windows and Doors (909) 792-6587
Redlands, CA, 92374
28 miles from Ontario
Sales and installation of replacement windows and doors Read More
Culver City, CA, 90230
44 miles from Ontario
Vitrocsa of Switzerland - The Inventor of the world's slimmest sight lines With 18mm slim profiles (3/4”), the patented Vitrocsa Invisible Wall system features the world’s... Read More
C.A.B. Glass (562) 310-2215
Norwalk, CA, 90650
27 miles from Ontario
We specialize in the installation and repair of home and business glass needs. Read More
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What Does a Window Professional Do?


Whether you’re building a new home, remodeling an old one or just replacing a few windows that are past their prime, your Ontario, CA window professional will help you pick the right windows for your needs, home style and budget. Windows come in so many sizes and types that expert advice often is invaluable in helping you make the best decision. These pros also are knowledgeable about sliding doors, French doors and other paned portals.

Window professionals also can repair a window that’s developed problems or fix a broken sheet of glass. Your window pro might work closely with California builders or remodelers as well.

Questions to ask a prospective window professional:


  • How long have you been in the business?
  • How many projects like mine have you completed?
  • May I see examples of previous projects?
  • Who will be working on the project? Are the workers employees or subcontractors?
  • What training and licensing do you have?
  • Can you provide me with references?
  • How do you charge, and what does that include?
  • Can you give me a written estimate?
  • Do you offer a warranty?
  • When can this job get done?
  • What happens when the cost exceeds the budget? What about changes to materials or labor pricing?
  • What will I need to provide?
  • Are there any important considerations or concerns you foresee with this project?

Find a window professional on Houzz. Narrow your search in the Professionals section of the website to Ontario, CA windows. You can also look through Ontario, CA photos to find examples of windows that you like, then contact the window professional who worked on them.
Professional Categories in Ontario
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