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Addition to existing structure builders in Kansas City

Randy Peterson Construction
24600 S. Hunter Rd.
5.00(
1
)
Approved Pro
Randy Peterson Construction
24600 S. Hunter Rd.
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
34 years of experience

We are a locally owned and operated company that values honesty and integrity in all aspects of our business. Not only are we focused on quality work and outstanding results, we are also committed to educating our clients through our wide range of expertise, in turn creating a level of value unmatched by any of our competitors. We look forward to building lasting relationships with our clients and guarantee your satisfaction!

"He has done a few jobs for me, he did insulation and framing for me."

Al S on July 2019

We are a locally owned and operated company that values honesty and integrity in all aspects of our business. Not only are we focused on quality work and outstanding results, we are also committed to educating our clients through our wide range of expertise, in turn creating a level of value unmatched by any of our competitors. We look forward to building lasting relationships with our clients and guarantee your satisfaction!

"He has done a few jobs for me, he did insulation and framing for me."

Al S on July 2019


Avatar for Jason's Renovation LLC
Jason's Renovation LLC
201 E. Walnut St.
5.00(
9
)
Approved Pro
Jason's Renovation LLC
201 E. Walnut St.
5.00(
9
)
Approved Pro
Customers say: Quick response
48 local quotes requested
3 years of experience

We have the experience and we are committed to providing quality workmanship and superior customer service on all our applications. Jason's Renovation LLC strives to maintain our reputation as a high quality, very service oriented company with our main focus being on customer satisfaction.

"Jason did an excellent job. He was friendly, polite and efficient. We were very impressed. "

Bev S on May 2025

We have the experience and we are committed to providing quality workmanship and superior customer service on all our applications. Jason's Renovation LLC strives to maintain our reputation as a high quality, very service oriented company with our main focus being on customer satisfaction.

"Jason did an excellent job. He was friendly, polite and efficient. We were very impressed. "

Bev S on May 2025


Avatar for T.R. Harrison Contractors, Inc
T.R. Harrison Contractors, Inc
144 North 61st Street
New on HomeAdvisorNew on Angi
Approved Pro
T.R. Harrison Contractors, Inc
144 North 61st Street
New on AngiNew on HomeAdvisor
Approved Pro
9 years of experience
Free onsite estimate

T.R Harrison Contractors is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We are a leader in providing our customers with the highest quality products and craftsmanship in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you

T.R Harrison Contractors is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We are a leader in providing our customers with the highest quality products and craftsmanship in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you


Avatar for Kings Collective
Kings Collective
1701 East 129th Street
5.00(
8
)
Approved Pro
Kings Collective
1701 East 129th Street
5.00(
8
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
3 years of experience

Kings Collective is your trustworthy local solution for your remodeling needs. With a proven track record of on-time, on-budget home renovations, you can count on us to bring your vision to life. Our team is dedicated to work closely with you to determine your goals and help achieve them.

"They were very professional. Making sure we were informed and satisfied was a clear priority. The end product is spectacular!"

Scott B on December 2023

Kings Collective is your trustworthy local solution for your remodeling needs. With a proven track record of on-time, on-budget home renovations, you can count on us to bring your vision to life. Our team is dedicated to work closely with you to determine your goals and help achieve them.

"They were very professional. Making sure we were informed and satisfied was a clear priority. The end product is spectacular!"

Scott B on December 2023


Avatar for Affinity Construction & Contracting, LLC
Affinity Construction & Contracting, LLC
PO Box 6705
4.79(
24
)
Approved Pro
Affinity Construction & Contracting, LLC
PO Box 6705
4.79(
24
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
36 local quotes requested

With several years experience, we work hard to bring each customer the best possible service and quality available. We look forward to working with you on your next project. We welcome your questions and thank you for your interest.

"I can't say enough good things about Justin and Affinity Construction! Our project went from a wood frame RV carport 20x45 to an enclosed garage. Justin came out several times as we worked through the build plan. Affinity was covering all the bases from foundation to paint color. Justin is great to work with and goes the extra mile to ensure the customer gets what they want. Unfortunately, the city had easement issues on the build site and wouldn't allow a structure to be built. We had no other suitable location for the garage, so the project was scrapped. This is when I decided Affinity Construction would always have my business. Justin returned my deposit, and went further introducing me to other professionals he trusts to bid on the smaller side projects we were going to do while the garage was being built. The true measure of a quality company is how they react when things turn sideways and how they treat their customers when money is no longer changing hands. 10 stars!!"

Michael W on August 2024

With several years experience, we work hard to bring each customer the best possible service and quality available. We look forward to working with you on your next project. We welcome your questions and thank you for your interest.

"I can't say enough good things about Justin and Affinity Construction! Our project went from a wood frame RV carport 20x45 to an enclosed garage. Justin came out several times as we worked through the build plan. Affinity was covering all the bases from foundation to paint color. Justin is great to work with and goes the extra mile to ensure the customer gets what they want. Unfortunately, the city had easement issues on the build site and wouldn't allow a structure to be built. We had no other suitable location for the garage, so the project was scrapped. This is when I decided Affinity Construction would always have my business. Justin returned my deposit, and went further introducing me to other professionals he trusts to bid on the smaller side projects we were going to do while the garage was being built. The true measure of a quality company is how they react when things turn sideways and how they treat their customers when money is no longer changing hands. 10 stars!!"

Michael W on August 2024


Avatar for Hickok Homes
Hickok Homes
9000 W. 64th Terrace
5.00(
14
)
Approved Pro
Hickok Homes
9000 W. 64th Terrace
5.00(
14
)
Approved Pro
5 years of experience
Free onsite estimate

Hickok Homes 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.

"This was the best experience with Hickock Homes and James in particular. His attention to detail was second to none! He was communicative and thorough to all my families needs and was available constantly! I truly don’t think another custom home builder can hold a candle to his designs. "

Kate C on May 2025

Hickok Homes 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.

"This was the best experience with Hickock Homes and James in particular. His attention to detail was second to none! He was communicative and thorough to all my families needs and was available constantly! I truly don’t think another custom home builder can hold a candle to his designs. "

Kate C on May 2025


Avatar for JCLC Homes, Inc.
JCLC Homes, Inc.
1004 Romany Road
5.00(
1
)
Approved Pro
JCLC Homes, Inc.
1004 Romany Road
5.00(
1
)
Approved Pro
13 local quotes requested
13 years of experience

JCLC Homes modern traditional design style rethinks yesterday's homes for today's families. Clear communication, a trusting relationship, and the highest quality craftsmanship are at the core of what we do. We meet tight timelines with a simplified process and we focus on details that make a huge impact.

"We highly recommend JCLC for any home design build or remodeling project. The recently completed a major remodeling/function space expansion project on our 100+ year old home. From the bid process, through design, and project completion they were hands on, top notch communicators. Their on-site teams are high professional, courteous, and have a great attention to detail. Their bid was accurate, and their change order process was transparent. Any challenges that we encountered we worked through as a team - we always felt like they were listening and checking to make sure we were satisfied. We will definitely work with them again."

Bob P on June 2025

JCLC Homes modern traditional design style rethinks yesterday's homes for today's families. Clear communication, a trusting relationship, and the highest quality craftsmanship are at the core of what we do. We meet tight timelines with a simplified process and we focus on details that make a huge impact.

"We highly recommend JCLC for any home design build or remodeling project. The recently completed a major remodeling/function space expansion project on our 100+ year old home. From the bid process, through design, and project completion they were hands on, top notch communicators. Their on-site teams are high professional, courteous, and have a great attention to detail. Their bid was accurate, and their change order process was transparent. Any challenges that we encountered we worked through as a team - we always felt like they were listening and checking to make sure we were satisfied. We will definitely work with them again."

Bob P on June 2025


Avatar for Cross Construction
Cross Construction
2805 SW 19th St
4.19(
61
)
Approved Pro
Cross Construction
2805 SW 19th St
4.19(
61
)
Approved Pro
Customers say: Quality work
17 local quotes requested
10 years of experience

Here at TC Siding and Construction, 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 quality home improvement services. You will find us to be competitively priced with 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!

"I recently had some construction work done by Cross Construction , and I couldn't be happier with the results. From start to finish, the team was fast and efficient, completing the project on time without sacrificing quality. Daniel, my main point of contact, was exceptional. He stayed in contact with me throughout the entire experience, ensuring I was always aware of the progress and any updates. The workers were professional, respectful, and clearly skilled in their craft. They took the time to answer my questions and address any concerns I had. The final result exceeded my expectations, and I appreciate the attention to detail they demonstrated. I highly recommend Cross Construction for any construction needs—great service and outstanding results! I will be using them to complete the rest of my home renovations!"

Lisa H on March 2025

Here at TC Siding and Construction, 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 quality home improvement services. You will find us to be competitively priced with 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!

"I recently had some construction work done by Cross Construction , and I couldn't be happier with the results. From start to finish, the team was fast and efficient, completing the project on time without sacrificing quality. Daniel, my main point of contact, was exceptional. He stayed in contact with me throughout the entire experience, ensuring I was always aware of the progress and any updates. The workers were professional, respectful, and clearly skilled in their craft. They took the time to answer my questions and address any concerns I had. The final result exceeded my expectations, and I appreciate the attention to detail they demonstrated. I highly recommend Cross Construction for any construction needs—great service and outstanding results! I will be using them to complete the rest of my home renovations!"

Lisa H on March 2025


Don Kelly Construction
711 N.E. Lone Hill Drive
4.31(
25
)
Approved Pro
Don Kelly Construction
711 N.E. Lone Hill Drive
4.31(
25
)
Approved Pro
Customers say: Terrific value
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
34 years of experience

Don Kelly Construction is a full service residential building and remodeling general contractor who services the greater Kansas City area and surrounding cities. We are a quality conscious general contractor, with over 20 years of industry experience, and a long list of satisfied customers. We look forward to providing you with the best in quality and service to help you fulfill the vision for your project, and make it a reality. We are a licensed and insured company in good standing. We are excited about the possibilities of making you another one of our satisfied customers. Please let us know how we can help YOU!

"Good job."

Kevin M on December 2022

Don Kelly Construction is a full service residential building and remodeling general contractor who services the greater Kansas City area and surrounding cities. We are a quality conscious general contractor, with over 20 years of industry experience, and a long list of satisfied customers. We look forward to providing you with the best in quality and service to help you fulfill the vision for your project, and make it a reality. We are a licensed and insured company in good standing. We are excited about the possibilities of making you another one of our satisfied customers. Please let us know how we can help YOU!

"Good job."

Kevin M on December 2022


Avatar for One Source KC
One Source KC
100 Electronics Pkwy
5.00(
8
)
Approved Pro
One Source KC
100 Electronics Pkwy
5.00(
8
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
63 local quotes requested

One Source is a locally owned and operated company. One Source is licensed and insured. We take pride in our growth through referrals and we always strive to conduct our business with honesty and integrity.

"Company was easy to work with and had competitive prices. Crew was pleasant and did a great job"

jonathan h on February 2020

One Source is a locally owned and operated company. One Source is licensed and insured. We take pride in our growth through referrals and we always strive to conduct our business with honesty and integrity.

"Company was easy to work with and had competitive prices. Crew was pleasant and did a great job"

jonathan h on February 2020

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FAQs for addition to existing structure building service projects in Kansas City, MO

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 Kansas City, MO 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
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Apr 19, 2025
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Outdoor view of the modern house
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Jun 10, 2025
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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
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built-in outdoor kitchen with grill and sink
Apr 30, 2025
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