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Addition to existing structure builders in Mililani
CWP Construction is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.
CWP Construction is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.
MTL Max Builder Hawaii Construction is committed to excellence in every aspect of our business. We uphold a standard of integrity, bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade, combined with ability, is what makes us true professionals. Above all, we are watchful of our customer's interests, and make their concerns the basis of our business.
"MTL did a great job and in a timely manner. Sia worked with us and went the extra mile in making sure we fully satisfied with the project. Communication was excellent. He had good suggestions and we have a beautiful house now."
Neil M on November 2024
MTL Max Builder Hawaii Construction is committed to excellence in every aspect of our business. We uphold a standard of integrity, bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade, combined with ability, is what makes us true professionals. Above all, we are watchful of our customer's interests, and make their concerns the basis of our business.
"MTL did a great job and in a timely manner. Sia worked with us and went the extra mile in making sure we fully satisfied with the project. Communication was excellent. He had good suggestions and we have a beautiful house now."
Neil M on November 2024
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"Trustworthy workers that did an excellent job."
Jocelyn A on June 2015
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"Trustworthy workers that did an excellent job."
Jocelyn A on June 2015
We take great pride our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
"Outstanding remodeling and services with an emphasis on client satisfaction and quality. Their group of skilled experts was committed to provide each job with excellent attention to detail. Clear and regular communication made sure that clients were informed and involved at every stage of the procedure. Really satisfied with their work."
Monnie M on July 2024
We take great pride our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
"Outstanding remodeling and services with an emphasis on client satisfaction and quality. Their group of skilled experts was committed to provide each job with excellent attention to detail. Clear and regular communication made sure that clients were informed and involved at every stage of the procedure. Really satisfied with their work."
Monnie M on July 2024
We proudly provide the highest quality of service and craftsmanship for each aspect of your project. Our depth of knowledge and experience solidify our belief that customer service stands as the highest priority. We eagerly look forward to working with you and making your vision a reality. On the leeward side, we operate out of our plant and tree farm in Kunia. Our colorful design work accompanied with renderings. No one else provides this free service. Our hand drawn renderings show our clients in detail what to expect their property to look like.
"one of the best contractors I have ever worked with. Has a really sold team of professional subcontractors and manages them and the client's needs very well. I will recommend them to all of my clients."
jerin k on March 2025
We proudly provide the highest quality of service and craftsmanship for each aspect of your project. Our depth of knowledge and experience solidify our belief that customer service stands as the highest priority. We eagerly look forward to working with you and making your vision a reality. On the leeward side, we operate out of our plant and tree farm in Kunia. Our colorful design work accompanied with renderings. No one else provides this free service. Our hand drawn renderings show our clients in detail what to expect their property to look like.
"one of the best contractors I have ever worked with. Has a really sold team of professional subcontractors and manages them and the client's needs very well. I will recommend them to all of my clients."
jerin k on March 2025
Bring Your Vision to Life with JG Builders! Whether you’re building a custom home, remodeling your kitchen or bathroom, or expanding with a new addition, JG Builders is here to turn your ideas into reality. With over 15 years of experience, we’re committed to delivering top-quality craftsmanship and integrity in every project. Our Services Include: • Custom Home Construction • Renovations & Additions • Bathroom & Kitchen Remodels • Commercial Build-Outs Licensed, insured, and bonded, we provide peace of mind with every build. Call us today at 808-295-5243 for a FREE estimate and let’s make your dream project happen!
"We did an extensive remodeling of our condo in Waikoloa. JG builders did an outstanding job. Jonathan made several helpful suggestions that helped us turn our nice condo into a real show place and made it more functional as well. We have seen several other projects that JG builders have done and they have all turned out beautifully. JG builders work is high quality and they are great to work with."
Greg J on November 2024
Bring Your Vision to Life with JG Builders! Whether you’re building a custom home, remodeling your kitchen or bathroom, or expanding with a new addition, JG Builders is here to turn your ideas into reality. With over 15 years of experience, we’re committed to delivering top-quality craftsmanship and integrity in every project. Our Services Include: • Custom Home Construction • Renovations & Additions • Bathroom & Kitchen Remodels • Commercial Build-Outs Licensed, insured, and bonded, we provide peace of mind with every build. Call us today at 808-295-5243 for a FREE estimate and let’s make your dream project happen!
"We did an extensive remodeling of our condo in Waikoloa. JG builders did an outstanding job. Jonathan made several helpful suggestions that helped us turn our nice condo into a real show place and made it more functional as well. We have seen several other projects that JG builders have done and they have all turned out beautifully. JG builders work is high quality and they are great to work with."
Greg J on November 2024
Bringing your dream spaces to life through expert remodeling and construction services in the heart of Honolulu. Contact us today!
"Our renovation went smooth as possible he was great and he worked with us very well and I am happy with his work I will definitely hire him for future projects and recommend him to family and friends thank you very much Ryan and your team was amazing"
Sam h on November 2023
Bringing your dream spaces to life through expert remodeling and construction services in the heart of Honolulu. Contact us today!
"Our renovation went smooth as possible he was great and he worked with us very well and I am happy with his work I will definitely hire him for future projects and recommend him to family and friends thank you very much Ryan and your team was amazing"
Sam h on November 2023
Kitchen and bathroom remodeling. High quality work. Free estimates. Painting, carpentry, windows and doors, tile work. Over 20 years in construction business. Small affordable company. We do one project at a time. http://www.vinkelremodeling.com
"I cannot recommend highly enough! From start to finish Kalin was responsive and professional. He is meticulous in his work down to the last detail, very knowledgeable in his craft and you can tell he takes pride in it. I will definitely use his company again."
Kim N on February 2024
Kitchen and bathroom remodeling. High quality work. Free estimates. Painting, carpentry, windows and doors, tile work. Over 20 years in construction business. Small affordable company. We do one project at a time. http://www.vinkelremodeling.com
"I cannot recommend highly enough! From start to finish Kalin was responsive and professional. He is meticulous in his work down to the last detail, very knowledgeable in his craft and you can tell he takes pride in it. I will definitely use his company again."
Kim N on February 2024
With a locally owned and operated company, you can expect friendly, personalized service. All Phases Green Services has been in business for over 20 years and offers great craftsmanship in woodworking, cabinetry, counter-tops and installations. We also specialize in tile installation and renovations.
"Excellent quality work. Eric showed up on time, worked hard. Gave us really good advice. Great communication, very trustworthy. We would hire him again. Very appreciative of the work he did for us."
Thomas H on August 2023
With a locally owned and operated company, you can expect friendly, personalized service. All Phases Green Services has been in business for over 20 years and offers great craftsmanship in woodworking, cabinetry, counter-tops and installations. We also specialize in tile installation and renovations.
"Excellent quality work. Eric showed up on time, worked hard. Gave us really good advice. Great communication, very trustworthy. We would hire him again. Very appreciative of the work he did for us."
Thomas H on August 2023
YJZ Construction LLC , Additions, Kitchen & Bath Remodeling We look forward to serving you!!! Experienced & Reliable -Additions -Renovations -Roofing -Painting -kitchen & Bath Remodeling -Cabinerty -Tiles & Flooring -Countertop - CMU We have a fullness of Experience
"It was excellent. He did impeccable work and did it quickly. I can't believe how fast the work was done. He has good craftsmanship, he's timely, clean, very nice, and polite."
Lisa G on July 2022
YJZ Construction LLC , Additions, Kitchen & Bath Remodeling We look forward to serving you!!! Experienced & Reliable -Additions -Renovations -Roofing -Painting -kitchen & Bath Remodeling -Cabinerty -Tiles & Flooring -Countertop - CMU We have a fullness of Experience
"It was excellent. He did impeccable work and did it quickly. I can't believe how fast the work was done. He has good craftsmanship, he's timely, clean, very nice, and polite."
Lisa G on July 2022
FAQs for addition to existing structure building service projects in Mililani, HI
Yes, you can add a bathroom on a concrete slab, but the crew will need to saw-cut the slab, trench in new supply and drain lines, and then patch the concrete without weakening the foundation. Working with an experienced plumber and concrete pro keeps the structure intact and helps the new bathroom pass inspections.
schedule covers planning, permits, framing, rough-ins, finishes, and punch-list items.
Larger spaces or extensive plumbing and electrical upgrades can stretch the timeline, while a simple powder-room conversion may wrap up faster. Hiring licensed pros helps keep the schedule on track and the work up to code.
The best location depends on how your family uses the space. An upstairs bath keeps nighttime trips close to the bedrooms, while a first-floor powder room is handy for guests and everyday traffic.
Think about where plumbing lines already run, how much square footage you can spare, and what layout changes fit your budget. A pro can map out the smartest spot and handle any code hurdles.
With the right planning, you can carve out a bathroom in almost any part of the house. A successful addition requires sufficient space, proper ventilation, and access to plumbing and electrical systems. Structural modifications and adherence to building codes are essential.
This process demands careful planning and the coordination of specialized professionals who ensure that the new space meets all code requirements and functional needs.
Under specific conditions, adding an extra bedroom can boost home value more than adding a bathroom. Home value is driven by overall configuration, market demand, and functional balance. A new bedroom influences the property’s appeal in different ways, while an additional bathroom enhances living convenience. Evaluating the current layout and market trends determines the optimal choice for maximum value.
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