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Addition to existing structure builders in Castle Rock

Framing, interior trim, exterior trim, windows, decks, pergolas, covered patios, additions, cabinets


Avatar for Green City Builders
Green City Builders
2736 S King St
2.75(
2
)
Approved Pro
Green City Builders
2736 S King St
2.75(
2
)
Approved Pro
Customers say: Quick response
4 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 the start to the 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.

"We hired this company to redo some stairs and railingâ ¦ We had to spend thousand in repairs after they left us with a mess"

Christine h on July 2024

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 the start to the 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.

"We hired this company to redo some stairs and railingâ ¦ We had to spend thousand in repairs after they left us with a mess"

Christine h on July 2024


Avatar for CH Remodeling & Home Repair, LLC
CH Remodeling & Home Repair, LLC
7283 South Teller Court
5.00(
6
)
Approved Pro
CH Remodeling & Home Repair, LLC
7283 South Teller Court
5.00(
6
)
Approved Pro
Customers say: Quick response
4 years of experience

CH Remodeling & Home Repair LLC, upholds 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 the 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. Please give us a call today!

"I hired chris with CH remodeling to put a kitchenette in my basement, redo all my floors and my master bathroom he communicated with me the whole way through the project finished all on time great job on all"

Indre R on July 2021

CH Remodeling & Home Repair LLC, upholds 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 the 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. Please give us a call today!

"I hired chris with CH remodeling to put a kitchenette in my basement, redo all my floors and my master bathroom he communicated with me the whole way through the project finished all on time great job on all"

Indre R on July 2021


Elite Construction
800 E 64th Ave #7
New on HomeAdvisorNew on Angi
Approved Pro
Elite Construction
800 E 64th Ave #7
New on AngiNew on HomeAdvisor
Approved Pro
26 years of experience
Free onsite estimate

Elite Construction LLC 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.

Elite Construction LLC 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.


Avatar for Quality Garage Builders
Quality Garage Builders
1410 E Witherspoon Dr
4.40(
21
)
Approved Pro
Quality Garage Builders
1410 E Witherspoon Dr
4.40(
21
)
Approved Pro
Customers say: Quality work
2 years of experience
Free onsite estimate

Quality Garage Builders 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.

"Mike did an excellent work remodeling our flooring and everything was done in timely manner. I would highly recommend his services to my friends ."

Nasreen Q on March 2025

Quality Garage Builders 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.

"Mike did an excellent work remodeling our flooring and everything was done in timely manner. I would highly recommend his services to my friends ."

Nasreen Q on March 2025


Avatar for Apex Resources, LLC
Apex Resources, LLC
8200 S Quebec St
4.88(
4
)
Approved Pro
Apex Resources, LLC
8200 S Quebec St
4.88(
4
)
Approved Pro
Customers say: Terrific value
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
20 years of experience

We are a locally owned and licensed company that values honesty, integrity and treats your home as if it were our own. We offer a variety of General Contractor Home Improvement services that are customizable to each individual project. We specialize in additions and kitchen remodels, but also offer a wide range of expertise for a variety of other projects. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction! Feel free to verify our contractor's license number: Building Contractor-Class B CERT1054895

"I was happy"

Jim W on June 2018

We are a locally owned and licensed company that values honesty, integrity and treats your home as if it were our own. We offer a variety of General Contractor Home Improvement services that are customizable to each individual project. We specialize in additions and kitchen remodels, but also offer a wide range of expertise for a variety of other projects. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction! Feel free to verify our contractor's license number: Building Contractor-Class B CERT1054895

"I was happy"

Jim W on June 2018


Avatar for Madura Development Group, LLC
Madura Development Group, LLC
PO Box 1985
4.59(
21
)
Approved Pro
Madura Development Group, LLC
PO Box 1985
4.59(
21
)
Approved Pro
Customers say: True professional
17 years of experience
Free onsite estimate

Madura Development Group, LLC, is the local construction experts. We feel that our success is a direct result of excellent customer service. We are on time all of the time. Please give us a call!

"Rich Madura helped me design my basement plan and it was well thought out and executed. The quality of the work was exceptional, and it came right on budget. This was a complex project that was a design of over 3,000 sq ft - 3 bedrooms 1 & 1/2 bathrooms, fitness room, game area, and full bar / kitchen."

Rick M on December 2024

Madura Development Group, LLC, is the local construction experts. We feel that our success is a direct result of excellent customer service. We are on time all of the time. Please give us a call!

"Rich Madura helped me design my basement plan and it was well thought out and executed. The quality of the work was exceptional, and it came right on budget. This was a complex project that was a design of over 3,000 sq ft - 3 bedrooms 1 & 1/2 bathrooms, fitness room, game area, and full bar / kitchen."

Rick M on December 2024


Avatar for Home and Business construction Services LLC
Home and Business construction Services LLC
704 Arrawanna Street
4.06(
45
)
Approved Pro
Home and Business construction Services LLC
704 Arrawanna Street
4.06(
45
)
Approved Pro
Customers say: Quick response
81 local quotes requested
9 years of experience

Home and Business Construction Services LLC is your full service recovery and restoration company. We have been in business for well over twenty years. We have the experience and know how to provide the highest quality finished projects at fair and reasonable prices! Our customer's complete satisfaction is our top priority. We also have 24 hour emergency services.

"."

Ryan h on February 2024

Home and Business Construction Services LLC is your full service recovery and restoration company. We have been in business for well over twenty years. We have the experience and know how to provide the highest quality finished projects at fair and reasonable prices! Our customer's complete satisfaction is our top priority. We also have 24 hour emergency services.

"."

Ryan h on February 2024


Avatar for 303 Construction
303 Construction
P.O. Box 218
4.74(
17
)
Approved Pro
303 Construction
P.O. Box 218
4.74(
17
)
Approved Pro
Customers say: Quick response
25 years of experience
Free onsite estimate

With over 40 years experience building in Denver, 303 Construction is firmly grounded in Colorado. These roots maintain that we back up our work for years and give you the comfort of knowing a contractor in the area you can count on. We have created relationships with suppliers so you don't have to. We have established accounts for everything from HVAC to Granite, so you don't have to find multiple parties to get your projects finished. Want to know everything you need to about building additions? Contact us on our website. 303construction.net

"I wanted to add a garage and didn't have a lot of space. I live in a landmark district in Denver and they can be very difficult and it's hard to find someone who would even deal with them. But Bryan and his guys braved the storm and got the garage done and put in a custom concrete patio to maximize space. Loved all his guys and would gladly use them again"

Jeremy S on April 2025

With over 40 years experience building in Denver, 303 Construction is firmly grounded in Colorado. These roots maintain that we back up our work for years and give you the comfort of knowing a contractor in the area you can count on. We have created relationships with suppliers so you don't have to. We have established accounts for everything from HVAC to Granite, so you don't have to find multiple parties to get your projects finished. Want to know everything you need to about building additions? Contact us on our website. 303construction.net

"I wanted to add a garage and didn't have a lot of space. I live in a landmark district in Denver and they can be very difficult and it's hard to find someone who would even deal with them. But Bryan and his guys braved the storm and got the garage done and put in a custom concrete patio to maximize space. Loved all his guys and would gladly use them again"

Jeremy S on April 2025


Buck's Construction Services, LLC
5026 Stone Crop Circle
5.00(
1
)
Approved Pro
Buck's Construction Services, LLC
5026 Stone Crop Circle
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
16 years of experience

Buck's Construction Services, LLC takes 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.

"Amazing, excellent, very personal and the quality of work was fantastic; no complaints. They really had a good way of making us feel comfortable; almost like having family here at the house because we never felt intruded upon. The job was timely, they were consistent, they went above and beyond ideas of thinking outside the box. It was like having a design team as well as the construction team. They are just the best. Fantastic. Perfect 5 out of 5 the highest rating they can get."

Becky M on January 2017

Buck's Construction Services, LLC takes 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.

"Amazing, excellent, very personal and the quality of work was fantastic; no complaints. They really had a good way of making us feel comfortable; almost like having family here at the house because we never felt intruded upon. The job was timely, they were consistent, they went above and beyond ideas of thinking outside the box. It was like having a design team as well as the construction team. They are just the best. Fantastic. Perfect 5 out of 5 the highest rating they can get."

Becky M on January 2017

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FAQs for addition to existing structure building service projects in Castle Rock, CO

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 Castle Rock, CO 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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CONTRACTOR LOOKING OVER HOME DEVELOPMENT
Apr 19, 2025
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Outdoor view of the modern house
Jun 16, 2025
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BRIGHT OPEN ATTIC SPACE
Jun 10, 2025
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white and gray kitchen with butchers block countertop
Apr 8, 2025
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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
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Budget for outdoor kitchen costs based on factors such as appliances, materials, permits, labor, amenities, kitchen size, customizations, and more.
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