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New windows service pros in Diamond Bar
Family Owned and Operated Business Specializing in Custom Window Replacement and Installation. For over 20 years, Metropolitan High Performance Windows has been the replacement window and window installation service company for homeowners in Anaheim, Los Angeles, Riverside, San Bernardino, San Diego, and Orange Counties. We offer free estimates with no pricing games, no pressure and the fastest turnaround in the industry. Variety of Window Styles Including Single Hung & Double Hung Windows, Casement Windows, Awning Windows, Picture Windows, Sliding Windows, Geometric Windows, Bay & Bow Windows, Garden Windows. Variety of Patio Door Styles Including Sliding Glass Doors, French Doors, Bi-Fold Doors, Multi-Slide Doors, In-Glass Pet Doors. Financing Available! You may be eligible for a 100% financed, no home equity, no lien, no closing cost, no origination fee, no pre-payment penalty loan. Fico scores as low as 580. Learn about the REEL Program and Other Financing Options by visiting www.mhiwindows.com/window-financing/.
"Great job with high quality products"
Melanie G on May 2024
Family Owned and Operated Business Specializing in Custom Window Replacement and Installation. For over 20 years, Metropolitan High Performance Windows has been the replacement window and window installation service company for homeowners in Anaheim, Los Angeles, Riverside, San Bernardino, San Diego, and Orange Counties. We offer free estimates with no pricing games, no pressure and the fastest turnaround in the industry. Variety of Window Styles Including Single Hung & Double Hung Windows, Casement Windows, Awning Windows, Picture Windows, Sliding Windows, Geometric Windows, Bay & Bow Windows, Garden Windows. Variety of Patio Door Styles Including Sliding Glass Doors, French Doors, Bi-Fold Doors, Multi-Slide Doors, In-Glass Pet Doors. Financing Available! You may be eligible for a 100% financed, no home equity, no lien, no closing cost, no origination fee, no pre-payment penalty loan. Fico scores as low as 580. Learn about the REEL Program and Other Financing Options by visiting www.mhiwindows.com/window-financing/.
"Great job with high quality products"
Melanie G on May 2024
General Contractor here to help you with all your construction needs such as concrete, remodeling, ADU's and much more
"excellent and speedy"
camille r on May 2025
General Contractor here to help you with all your construction needs such as concrete, remodeling, ADU's and much more
"excellent and speedy"
camille r on May 2025
Call now for our Angie's List only offers. Everyone wants to improve the look of their home and its energy efficiency. While many California residents share these goals, they don't know where to begin to make these goals a reality. Are you looking for a window installation and exterior coating contractor company that is fair, honest and hard-working? What about technicians who are always on time, stand by their word, and have won the Super Service Award in all of these categories, Approved Contractor measures up. Whether you have a specific window in mind (we carry all lines of windows) or simply wish to cut down your energy bills, our window installment services are exceptional. Our texture coating services are sure to leave you loving the look of your house again, will keep the inside of your home cooler, and are able to withstand all kinds of elements. License #952272
"Clean and reliable"
Tamar L on October 2024
Call now for our Angie's List only offers. Everyone wants to improve the look of their home and its energy efficiency. While many California residents share these goals, they don't know where to begin to make these goals a reality. Are you looking for a window installation and exterior coating contractor company that is fair, honest and hard-working? What about technicians who are always on time, stand by their word, and have won the Super Service Award in all of these categories, Approved Contractor measures up. Whether you have a specific window in mind (we carry all lines of windows) or simply wish to cut down your energy bills, our window installment services are exceptional. Our texture coating services are sure to leave you loving the look of your house again, will keep the inside of your home cooler, and are able to withstand all kinds of elements. License #952272
"Clean and reliable"
Tamar L on October 2024
Family Owned and Operated since 1994. Nine Brothers & Sisters Striving For Your Complete Satisfaction! Energy Efficient, Replacement Windows and Doors. No Subcontractors! No High-pressure Sales! Ranked Among The Top Nationwide by Qualified Remodelers! AAMA Certified and Members of the Better Business Bureau. Quality Craftsmanship. Lifetime Warranties. Save $75 per window & $150 per door. Financing Available on approved credit. Additional phone numbers: - (310) 670-0801, (949) 250-9124 & (562) 733-4202.
"They never followed up."
Mike C on July 2020
Family Owned and Operated since 1994. Nine Brothers & Sisters Striving For Your Complete Satisfaction! Energy Efficient, Replacement Windows and Doors. No Subcontractors! No High-pressure Sales! Ranked Among The Top Nationwide by Qualified Remodelers! AAMA Certified and Members of the Better Business Bureau. Quality Craftsmanship. Lifetime Warranties. Save $75 per window & $150 per door. Financing Available on approved credit. Additional phone numbers: - (310) 670-0801, (949) 250-9124 & (562) 733-4202.
"They never followed up."
Mike C on July 2020
We have 25 years experience and specialize in remodeling, handyman services, home repairs, home improvements, and more. We pride ourselves on the quality work we provide, while delivering great customer service. Check out all the services we offer below and call -or- click to schedule a free estimate today!
"Service performed was great. Will rehire to continue with additional renovations."
.Evelyn j on September 2024
We have 25 years experience and specialize in remodeling, handyman services, home repairs, home improvements, and more. We pride ourselves on the quality work we provide, while delivering great customer service. Check out all the services we offer below and call -or- click to schedule a free estimate today!
"Service performed was great. Will rehire to continue with additional renovations."
.Evelyn j on September 2024
Hello, my name is Nate Saucedo, I have been in the carpenters union for the past 14 years, and now I am looking to branch out to start my own business. I am here to build my portfolio, meet new people and network as well as provide quality work for my customers. My area of expertise is in framing (metal and wood) and drywall, I am confident that we will accomplish your goals whether it be remodel/ repair or a new build altogether.
"Nate was on time, very professional and knew exactly what needed to be done. I had every confidence that he would do an excellent job. He made sure to clean up and leave the place better that he found it. He does beautiful work and I couldn't be happier with the way things turned out. I plan on hiring him for many, many jobs that I need around my home and our rentals. I can't recommend Nate any higher."
Celesta I on November 2024
Hello, my name is Nate Saucedo, I have been in the carpenters union for the past 14 years, and now I am looking to branch out to start my own business. I am here to build my portfolio, meet new people and network as well as provide quality work for my customers. My area of expertise is in framing (metal and wood) and drywall, I am confident that we will accomplish your goals whether it be remodel/ repair or a new build altogether.
"Nate was on time, very professional and knew exactly what needed to be done. I had every confidence that he would do an excellent job. He made sure to clean up and leave the place better that he found it. He does beautiful work and I couldn't be happier with the way things turned out. I plan on hiring him for many, many jobs that I need around my home and our rentals. I can't recommend Nate any higher."
Celesta I on November 2024
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!
"Everything was beautifully done. I couldn't be happier! I have recommended Ozzie to several friends. He is reliable, honest, trustworthy and responsible. I'd hire him again!! Thank you Ozzie... see you soon about the all-wood 5 shelf book case!!"
Judith B on February 2025
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!
"Everything was beautifully done. I couldn't be happier! I have recommended Ozzie to several friends. He is reliable, honest, trustworthy and responsible. I'd hire him again!! Thank you Ozzie... see you soon about the all-wood 5 shelf book case!!"
Judith B on February 2025
Any residential project big or small! Small handyman services to large room additions there is nothing we can’t handle! With over 20 years of experience doing home renovations, water damage repairs, ADU’S custom woodworking, exterior and landscaping we can do it all!
"Ace Construction (Tony) provided an estimate that was reasonable, upfront and included a time frame for completion. Payments were made as the project progressed through each phase. As with any project communication between homeowner and business is vital and Tony was superb throughout the entire project. Tony has a keen eye when it came to vision and style, he provided excellent input and made great suggestions. We are very pleased with the work done by Ace Construction, Tony transformed our outdated kitchen, bathrooms and fireplace to the most current style. We always receive wonderful compliments from our house guests. Two thumbs up for Ace Construction!!"
Raymond C on August 2024
Any residential project big or small! Small handyman services to large room additions there is nothing we can’t handle! With over 20 years of experience doing home renovations, water damage repairs, ADU’S custom woodworking, exterior and landscaping we can do it all!
"Ace Construction (Tony) provided an estimate that was reasonable, upfront and included a time frame for completion. Payments were made as the project progressed through each phase. As with any project communication between homeowner and business is vital and Tony was superb throughout the entire project. Tony has a keen eye when it came to vision and style, he provided excellent input and made great suggestions. We are very pleased with the work done by Ace Construction, Tony transformed our outdated kitchen, bathrooms and fireplace to the most current style. We always receive wonderful compliments from our house guests. Two thumbs up for Ace Construction!!"
Raymond C on August 2024
We make window screens & screens doors, from scratch (new or rescreen) right at your door. We also install steel security doors, swinging screen doors, clear view retractable screen doors, sliding screen doors, ect. payment options: VISA MASTERCARD AMERICAN EXPRESS CHECK CASH
"He came on a very timely basis and worked very quickly, efficiently, carefully, politely and did everything and got it done nicely. His price was below some of the others."
Scott C on June 2025
We make window screens & screens doors, from scratch (new or rescreen) right at your door. We also install steel security doors, swinging screen doors, clear view retractable screen doors, sliding screen doors, ect. payment options: VISA MASTERCARD AMERICAN EXPRESS CHECK CASH
"He came on a very timely basis and worked very quickly, efficiently, carefully, politely and did everything and got it done nicely. His price was below some of the others."
Scott C on June 2025
We pride ourselves on the quality work we provide, while delivering great customer service. Check out our services offered and call or click to schedule an estimate today!
"It went perfect, He came to my house to look at what I needed to get done which was two front doors refinished . They did an excellent job, very friendly guys and I will hire them again for any other work that I need to get done in my house."
Jose M on November 2024
We pride ourselves on the quality work we provide, while delivering great customer service. Check out our services offered and call or click to schedule an estimate today!
"It went perfect, He came to my house to look at what I needed to get done which was two front doors refinished . They did an excellent job, very friendly guys and I will hire them again for any other work that I need to get done in my house."
Jose M on November 2024
FAQs for new windows service projects in Diamond Bar, CA
Making an existing window bigger always requires some construction, but the extent varies by project. Vertical expansions involve less structural work because they often don't affect load-bearing elements. Even so, any enlargement requires removing siding or drywall, cutting framing members, and installing appropriate support. Non-load-bearing walls allow for simpler modifications, while load-bearing walls require proper headers and structural support. A consultation with a structural engineer is advisable before beginning any window enlargement project.
Building permits are required for window enlargement projects in most municipalities. Since enlarging windows involves structural modifications to your home's exterior walls, local building departments need to review and approve the plans. Permit costs range from $100 to $300, though projects requiring significant structural changes may incur permit fees of $500 or more. Additionally, homes in historic districts or those governed by HOAs may need special approvals. Always check local requirements before beginning work.
An average window enlargement project takes between five hours and three days to complete. Simple projects with minimal structural changes might be finished in five to ten hours, while more complex enlargements requiring significant structural modifications could take up to three days. Factors affecting the timeline include the window's location, wall construction, weather conditions, and the need for specialized materials. The process involves demolition, framing, window installation, and interior/exterior finishing work.
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