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Addition to existing structure builders in Federal Way

Platinum General Construction LLC
6208 202nd St SW Unit 66
5.00(
5
)
Approved Pro
Platinum General Construction LLC
6208 202nd St SW Unit 66
5.00(
5
)
Approved Pro
Customers say: Quick response
9 years of experience
Free onsite estimate

With years in the industry here at Platinum General Construction LLC we pride our company on attention to detail, punctuality, 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. Our attention to detail is that of no other. We look forward to earning your business. Give us a call today!

"Platinum General Construction LLC was contacted after two initially hired contractors were incompetent in providing the remodeling services needed for our bathroom remodel in Dec/Jan 2025. Platinum stepped in and completed the work on time and as quoted. David was our primary contact. He was great as respects communication, working through issues, and coordinating with subcontractors. The remodel included heated tile floors, a curbless shower, toilet install, and beautiful tile work. We were pleased that Platinum got our project back on track and finished after dealing with the mis-steps of our original contractors."

Ron B on April 2025

With years in the industry here at Platinum General Construction LLC we pride our company on attention to detail, punctuality, 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. Our attention to detail is that of no other. We look forward to earning your business. Give us a call today!

"Platinum General Construction LLC was contacted after two initially hired contractors were incompetent in providing the remodeling services needed for our bathroom remodel in Dec/Jan 2025. Platinum stepped in and completed the work on time and as quoted. David was our primary contact. He was great as respects communication, working through issues, and coordinating with subcontractors. The remodel included heated tile floors, a curbless shower, toilet install, and beautiful tile work. We were pleased that Platinum got our project back on track and finished after dealing with the mis-steps of our original contractors."

Ron B on April 2025


Avatar for Modern Outdoor Builders LLC
Modern Outdoor Builders LLC
10717 Renton Ave S
5.00(
15
)
Approved Pro
Modern Outdoor Builders LLC
10717 Renton Ave S
5.00(
15
)
Approved Pro
Super Service Award
Customers say: Quick response
3 years of experience
Free onsite estimate

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's custom needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Professional and on time service. Would recommend to anyone looking for help with their dreams. "

Jesse L on March 2025

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's custom needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Professional and on time service. Would recommend to anyone looking for help with their dreams. "

Jesse L on March 2025


Ace Remodeling, LLC
31108 3rd Avenue, Lot 232
New on HomeAdvisorNew on Angi
Approved Pro
Ace Remodeling, LLC
31108 3rd Avenue, Lot 232
New on AngiNew on HomeAdvisor
Approved Pro
4 years of experience
Free onsite estimate

ACE REMODELING 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 23 years of industry experience, is what makes us true professionals. Above all, we are mindful of our client's interests, and make their concerns the basis of our business.

ACE REMODELING 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 23 years of industry experience, is what makes us true professionals. Above all, we are mindful of our client's interests, and make their concerns the basis of our business.


Greg Appert Construction
15803 Gold Bar Drive
5.00(
1
)
Approved Pro
Greg Appert Construction
15803 Gold Bar Drive
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
29 years of experience

We take great pride in our 5 plus years of experience, expertise, quality, and customer service that we provide to meet the consumer needs. It is our mission to provide excellent quality workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"I have been using their services for 10 years, and I greatly appreciate their integrity, trust, dedication, and the quality of their work. I would highly recommend them!"

Glenn B on January 2021

We take great pride in our 5 plus years of experience, expertise, quality, and customer service that we provide to meet the consumer needs. It is our mission to provide excellent quality workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"I have been using their services for 10 years, and I greatly appreciate their integrity, trust, dedication, and the quality of their work. I would highly recommend them!"

Glenn B on January 2021


WALT KANE CONSTRUCTION, LLC
5230 336TH AVE SE
5.00(
5
)
Approved Pro
WALT KANE CONSTRUCTION, LLC
5230 336TH AVE SE
5.00(
5
)
Approved Pro
Customers say: Quick response
4 years of experience
Free onsite estimate

With over 30 years of experience, we take great pride in 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 start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. // Payment: Cash, Zelle & Check // M-F: 7am - 5pm

"During the summer of 2024, we were looking to get our basement completely renovated and we are so lucky that we connected with Zach. Zach and his talented crew worked endlessly to achieve our vision for the space and get it done within an extremely fast timeline. The detail to attention, easy and seamless communication and the trust we had for his crew are among the many reasons we will always use Zach for our home projects. "

Morgan R on January 2025

With over 30 years of experience, we take great pride in 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 start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. // Payment: Cash, Zelle & Check // M-F: 7am - 5pm

"During the summer of 2024, we were looking to get our basement completely renovated and we are so lucky that we connected with Zach. Zach and his talented crew worked endlessly to achieve our vision for the space and get it done within an extremely fast timeline. The detail to attention, easy and seamless communication and the trust we had for his crew are among the many reasons we will always use Zach for our home projects. "

Morgan R on January 2025


Avatar for Marco Homes, Inc.
Marco Homes, Inc.
6109 62nd Ave W
4.71(
7
)
Approved Pro
Marco Homes, Inc.
6109 62nd Ave W
4.71(
7
)
Approved Pro
Customers say: Terrific value
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
13 years of experience

You can depend on us to provide a high quality service at a fair and honest price. We understand that the future of our business depends upon our reputation and that is why customer service is by far our highest priority. If you are looking for a professional you can trust, please call today to schedule a no-obligation estimate!

"They are very professional and make sure the job is done right I would highly recommend them and use them again anytime"

DANIEL B on September 2023

You can depend on us to provide a high quality service at a fair and honest price. We understand that the future of our business depends upon our reputation and that is why customer service is by far our highest priority. If you are looking for a professional you can trust, please call today to schedule a no-obligation estimate!

"They are very professional and make sure the job is done right I would highly recommend them and use them again anytime"

DANIEL B on September 2023


Avatar for RENOVISION DESIGN & BUILD LLC
RENOVISION DESIGN & BUILD LLC
1400 112TH AVE SE STE 100
4.94(
67
)
Approved Pro
RENOVISION DESIGN & BUILD LLC
1400 112TH AVE SE STE 100
4.94(
67
)
Approved Pro
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
39 local quotes requested

At Renovision Design & Build, we specialize in transforming homes through expert remodeling services tailored to each client's unique vision. With years of hands-on experience, we take pride in delivering high-quality craftsmanship, personalized design solutions, and clear communication every step of the way. From kitchens and bathrooms to full-scale renovations, our team handles everything — from 3D planning and material selection to construction and final touches — with professionalism and care. Our reputation is built on trust, transparency, and results. No matter the size of the project, we treat every home like it's our own. 📞 Get in touch today to schedule your free consultation!

"The crew was wonderful. Appreciate all the help and expertise. Highly recommended!"

matan f on May 2025

At Renovision Design & Build, we specialize in transforming homes through expert remodeling services tailored to each client's unique vision. With years of hands-on experience, we take pride in delivering high-quality craftsmanship, personalized design solutions, and clear communication every step of the way. From kitchens and bathrooms to full-scale renovations, our team handles everything — from 3D planning and material selection to construction and final touches — with professionalism and care. Our reputation is built on trust, transparency, and results. No matter the size of the project, we treat every home like it's our own. 📞 Get in touch today to schedule your free consultation!

"The crew was wonderful. Appreciate all the help and expertise. Highly recommended!"

matan f on May 2025


Drew Thatcher Construction, LLC
PO Box 39437
4.39(
9
)
Approved Pro
Drew Thatcher Construction, LLC
PO Box 39437
4.39(
9
)
Approved Pro
Customers say: Quality work
10 years of experience
Free onsite estimate

With decades of hands on experience, Drew Thatcher Construction LLC can handle all of your residential construction needs. From the small one person jobs to the large renovations involving the entire interior or exterior of a home, Drew Thatcher Construction LLC can efficiently and cost effectively transform your space from a mere concept to fruition. For larger scope projects, Drew works closely with interior designers, architects, engineers and landscapers to create the beautiful and functional space you desire. Drew Thatcher Construction LLC utilizes MS Project to fully integrate the various aspects of a project to seamlessly execute the flow from start to finish.

"Drew did what was asked and stood by their work."

Christopher G on February 2025

With decades of hands on experience, Drew Thatcher Construction LLC can handle all of your residential construction needs. From the small one person jobs to the large renovations involving the entire interior or exterior of a home, Drew Thatcher Construction LLC can efficiently and cost effectively transform your space from a mere concept to fruition. For larger scope projects, Drew works closely with interior designers, architects, engineers and landscapers to create the beautiful and functional space you desire. Drew Thatcher Construction LLC utilizes MS Project to fully integrate the various aspects of a project to seamlessly execute the flow from start to finish.

"Drew did what was asked and stood by their work."

Christopher G on February 2025


Avatar for Iconiq Construction, LLC
Iconiq Construction, LLC
1601 5th Avenue, Unit 9
5.00(
8
)
Approved Pro
Iconiq Construction, LLC
1601 5th Avenue, Unit 9
5.00(
8
)
Approved Pro
Customers say: Quick response
2 years of experience
Free onsite estimate

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!

"This company is built internally the right way. Extremely professional and everything is in house. I repeat...IN HOUSE. If you have ever dealt with a remodeling company that employs outsourced labor, it can be a mis-quote nightmare. Other companies pointed me to handy men for this job not realizing I might need or want more than that in the future. Thank you "

Ryatt O on January 2025

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!

"This company is built internally the right way. Extremely professional and everything is in house. I repeat...IN HOUSE. If you have ever dealt with a remodeling company that employs outsourced labor, it can be a mis-quote nightmare. Other companies pointed me to handy men for this job not realizing I might need or want more than that in the future. Thank you "

Ryatt O on January 2025


Avatar for A TO Z HOME REMODELING LLC
A TO Z HOME REMODELING LLC
1024 N 10TH PL SUITE 2446
5.00(
9
)
Approved Pro
A TO Z HOME REMODELING LLC
1024 N 10TH PL SUITE 2446
5.00(
9
)
Approved Pro
1 years of experience
Free onsite estimate

We take great pride in 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 start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Very professional! Easy to work with. Always available, kitchen remodel done in a timely manner Excellent workmanship great crew. Will definitely hire them again for future projects. Nancy O."

Nancy O on May 2025

We take great pride in 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 start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Very professional! Easy to work with. Always available, kitchen remodel done in a timely manner Excellent workmanship great crew. Will definitely hire them again for future projects. Nancy O."

Nancy O on May 2025

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FAQs for addition to existing structure building service projects in Federal Way, WA

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.

The Federal Way, WA homeowners’ guide to addition to existing structure building services
From average costs to expert advice, get all the answers you need to get your job done.
master bedroom with fireplace
Jun 26, 2025
Jun 26, 2025
Budget for bedroom remodel costs based on factors such as bedroom size, remodel type, features, materials, labor, and more.
CONTRACTOR LOOKING OVER HOME DEVELOPMENT
Apr 19, 2025
Apr 19, 2025
Budget for your general contractor’s hourly rate by considering factors such as project scope, fee structure, pricing model, and more.
Outdoor view of the modern house
Jun 16, 2025
Jun 16, 2025
Explore how square footage, room type, home additions, and other common factors affect house renovation costs with our detailed cost guide.
BRIGHT OPEN ATTIC SPACE
Jun 10, 2025
Jun 10, 2025
An in-law suite is a great solution for people who have family visiting often. Explore how much an in-law suite costs and prep to build yours.
white and gray kitchen with butchers block countertop
Apr 8, 2025
Apr 8, 2025
Looking to enhance the warmth and utility of your kitchen? Explore how much a butcher block countertop costs and start your budget here.
built-in outdoor kitchen with grill and sink
Apr 30, 2025
Apr 30, 2025
Budget for outdoor kitchen costs based on factors such as appliances, materials, permits, labor, amenities, kitchen size, customizations, and more.
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