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Find Addition to existing structure builders in Austin

2W Reed Construction

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Approved Pro

2W Reed Construction

New on HomeAdvisorNew on HomeAdvisor
Approved Pro
2 years of experience
Free onsite estimate

We are a locally owned and operated company that values honesty and integrity in all aspects of our business. Our major focus is on the quality our work and producing outstanding results. We are committed to 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!

We are a locally owned and operated company that values honesty and integrity in all aspects of our business. Our major focus is on the quality our work and producing outstanding results. We are committed to 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!


Avatar for TRS Build

TRS Build

4.73(
30
)
Approved Pro

TRS Build

4.73(
30
)
Approved Pro
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
10 years of experience

We partner with our clients to create the beauty and functionality they want for their home or business. By living out our core values of quality in product and service delivery, communication, care and transparency, we work to first understand client goals and design preferences, and then meet people where they are at in terms of budget, family, workstyle and lifestyle. We provide full turnkey services from design through construction, and ensure our clients receive the greatest value for their investment.

"I've had the pleasure of working alongside TRS Build for over four years, and I highly recommend them. Led by Shaniko and AnnMarie, this powerhouse design-build team embodies professionalism, passion, and excellence. As an accomplished architect and interior designer, I’ve worked with many firms, but TRS stands apart by creating stunning, thoughtfully crafted homes while fostering meaningful client relationships. They respect clients' homes and surroundings, showing dedication and care at every stage. The entire team is reliable, knowledgeable, and a joy to work with. Their well-defined process keeps projects running smoothly, and if challenges arise, TRS addresses them quickly without delay, ensuring a seamless experience. Working with AnnMarie, Shaniko, and their incredible team has always been a privilege. If you're seeking experts to design and build your dream home with beauty, care, and precision, TRS Build is an exceptional choice."

Brianna C on February 2025

We partner with our clients to create the beauty and functionality they want for their home or business. By living out our core values of quality in product and service delivery, communication, care and transparency, we work to first understand client goals and design preferences, and then meet people where they are at in terms of budget, family, workstyle and lifestyle. We provide full turnkey services from design through construction, and ensure our clients receive the greatest value for their investment.

"I've had the pleasure of working alongside TRS Build for over four years, and I highly recommend them. Led by Shaniko and AnnMarie, this powerhouse design-build team embodies professionalism, passion, and excellence. As an accomplished architect and interior designer, I’ve worked with many firms, but TRS stands apart by creating stunning, thoughtfully crafted homes while fostering meaningful client relationships. They respect clients' homes and surroundings, showing dedication and care at every stage. The entire team is reliable, knowledgeable, and a joy to work with. Their well-defined process keeps projects running smoothly, and if challenges arise, TRS addresses them quickly without delay, ensuring a seamless experience. Working with AnnMarie, Shaniko, and their incredible team has always been a privilege. If you're seeking experts to design and build your dream home with beauty, care, and precision, TRS Build is an exceptional choice."

Brianna C on February 2025


Avatar for Diamond Carlos Construction LLC

Diamond Carlos Construction LLC

5.00(
3
)
Approved Pro

Diamond Carlos Construction LLC

5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
6 years of experience

Diamond Carlos 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.

"I hired Carlos at Diamond Carlos Construction and his crew did an amazing job. I had them lay soil and grass in my back and front yard as well as some decorative stones along my garden. I could not be happier with the speed and quality of work for these guys not to mention the cost was way less than any other quote I got. I highly recommend them and these are now my go to guys for all my house projects."

Ryan M on July 2024

Diamond Carlos 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.

"I hired Carlos at Diamond Carlos Construction and his crew did an amazing job. I had them lay soil and grass in my back and front yard as well as some decorative stones along my garden. I could not be happier with the speed and quality of work for these guys not to mention the cost was way less than any other quote I got. I highly recommend them and these are now my go to guys for all my house projects."

Ryan M on July 2024


"Mark has helped with all kinds of small projects like garage organization etc"

Della T on April 2022

Here at Mark Williamson Contractor we are a full service contracting company working with residential and commercial properties. No job is too large or small for us and we pride ourselves on our professionalism and skillset. Call now for a free quote.

"Mark has helped with all kinds of small projects like garage organization etc"

Della T on April 2022


Avatar for 512 Remodeling

512 Remodeling

5.00(
1
)
Approved Pro

512 Remodeling

5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
12 years of experience

With over 10 years of experience serving the Leander area, 512 Remodeling, Construction & Design is your solution for all your remodeling and construction needs. It does not matter the size of the job from handyman services to new home builds; we can do it. We take great pride in our extreme professionalism, timeliness and superior customer service on every job. We make sure to develop a lasting relationship so that the next time service is needed there will be no question on who to call. Call or text David at 512.902.1943.

""

Elizabeth M on October 2022

With over 10 years of experience serving the Leander area, 512 Remodeling, Construction & Design is your solution for all your remodeling and construction needs. It does not matter the size of the job from handyman services to new home builds; we can do it. We take great pride in our extreme professionalism, timeliness and superior customer service on every job. We make sure to develop a lasting relationship so that the next time service is needed there will be no question on who to call. Call or text David at 512.902.1943.

""

Elizabeth M on October 2022


Avatar for Ryder Custom Homes

Ryder Custom Homes

5.00(
3
)
Approved Pro

Ryder Custom Homes

5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
26 years of experience

With over 20 years of experience in the Home Building, Remodeling & General Contracting industry, we are the experts you need to take care of your home or business. We handle everything from remodels to custom home building. We will treat your home as we would treat our own. We believe that, on top of the quality of our work, communication and a focus on the details is what sets us apart. Whether you need a custom home, kitchen or bathroom remodel or anything in between, Ryder Custom Homes can turn your vision into a reality. Give Ryder Custom Homes a call today, we look forward to working with you!

"Kurt Nelson is an amazing general contractor. He was extremely thorough. He was a total perfectionist. He made sure everything was up to code and that everything came out perfect. We now think of him as a family friend, he is just an amazing person all around. He does absolutely excellent work."

Katelyn F on April 2019

With over 20 years of experience in the Home Building, Remodeling & General Contracting industry, we are the experts you need to take care of your home or business. We handle everything from remodels to custom home building. We will treat your home as we would treat our own. We believe that, on top of the quality of our work, communication and a focus on the details is what sets us apart. Whether you need a custom home, kitchen or bathroom remodel or anything in between, Ryder Custom Homes can turn your vision into a reality. Give Ryder Custom Homes a call today, we look forward to working with you!

"Kurt Nelson is an amazing general contractor. He was extremely thorough. He was a total perfectionist. He made sure everything was up to code and that everything came out perfect. We now think of him as a family friend, he is just an amazing person all around. He does absolutely excellent work."

Katelyn F on April 2019


Avatar for From The Ground Up

From The Ground Up

5.00(
2
)
Approved Pro

From The Ground Up

5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
32 years of experience

As the owner of From the Ground Up and a former United States Army Ranger, Jason Aduddell is dedicated to excelling in what he does best, providing solutions for your home. He has 15+ years of experience and he is an experienced professional that will provide you with quality services. From the Ground Up's success rests upon the strong foundation of ethical values and a commitment to becoming a premiere leader in providing effective, efficient and accessible services in the home improvement industry.

"Jason is great to work with. He works to understand our wishes and turn them into reality."

Paul R on April 2017

As the owner of From the Ground Up and a former United States Army Ranger, Jason Aduddell is dedicated to excelling in what he does best, providing solutions for your home. He has 15+ years of experience and he is an experienced professional that will provide you with quality services. From the Ground Up's success rests upon the strong foundation of ethical values and a commitment to becoming a premiere leader in providing effective, efficient and accessible services in the home improvement industry.

"Jason is great to work with. He works to understand our wishes and turn them into reality."

Paul R on April 2017


Avatar for Rae's Custom Home Services

Rae's Custom Home Services

4.70(
15
)
Approved Pro

Rae's Custom Home Services

4.70(
15
)
Approved Pro
Customers say: Quick response
67 local quotes requested
4 years of experience

Rae's Custom Home Services is a one stop shop for all your home renovations and projects. We are known for our ability to achieve your goals, and sometimes we even achieve results others said was not possible or couldn't be done! Our company standards are: Fairness, Integrity, Honesty and Reliability. Communication is something we go above and beyond to ensure customers are just sometimes in the know, but always in the loop from start to finish. Come as a customer, leave as a friend!

"Bryan and his team did a great job with our kitchen remodel! We only wanted to remodel the backsplash and countertops, and they did not try to upsell us on the cabinets as well. Instead, Bryan worked with us to find the best products for what we wanted to upgrade, provided good pricing, and was flexible with us on last minute changes and negotiation. Most importantly, Bryan and his teams were super speedy and turned around things in a week's time, AND Bryan was extremely communicative throughout the whole process which was hugely helpful as we were out of town while the remodel was happening."

Anushka P on June 2025

Rae's Custom Home Services is a one stop shop for all your home renovations and projects. We are known for our ability to achieve your goals, and sometimes we even achieve results others said was not possible or couldn't be done! Our company standards are: Fairness, Integrity, Honesty and Reliability. Communication is something we go above and beyond to ensure customers are just sometimes in the know, but always in the loop from start to finish. Come as a customer, leave as a friend!

"Bryan and his team did a great job with our kitchen remodel! We only wanted to remodel the backsplash and countertops, and they did not try to upsell us on the cabinets as well. Instead, Bryan worked with us to find the best products for what we wanted to upgrade, provided good pricing, and was flexible with us on last minute changes and negotiation. Most importantly, Bryan and his teams were super speedy and turned around things in a week's time, AND Bryan was extremely communicative throughout the whole process which was hugely helpful as we were out of town while the remodel was happening."

Anushka P on June 2025


Avatar for SPS Contracting

SPS Contracting

4.53(
59
)
Approved Pro

SPS Contracting

4.53(
59
)
Approved Pro
Customers say: Quick response
18 local quotes requested
10 years of experience

Welcome to SPS and Contracting! Now servicing North Houston and North Austin! We take pride in the quality of work and customer satisfaction that we give each customer! With over 12 years experience, we are known to pay exquisite attention to detail while making customer satisfaction our top priority. Call us today to learn more about how we can help you! We are following CDC guidelines and do contact-less bidding, We take your safety as our top priority, and we look forward to assisting you!

"We got a decent sized addition done with SPS. They came forward with great ideas and great pricing. We loved his ability to come up with unique solutions and great customer service. The overall build seems to be well done. We have had it for almost a year with no major issues. But the experience was a little challenging 1) Ed is the GC but he does not do a good job overall doing quality control. His son, Jesus is also very good. His Son in law is a really nice guy but his work is not up to par. The last few weeks, Ed left is to his son in law to finish up which meant the final finish was bad. Bathroom cabinet door did not close fully. There were splotches of semi gloss and matte paint all over the place. A door was cut unevenly and is still that way. I pointed out many of these, and they would come and close out a few but let others be. 2) the framing around windows was not a straight line. Slight angles everywhere. Not sure why.... Flooring has dips in it... I pointed it out before they put the flooring down... But still got issues. Electric work was mostly done by an assistant to the master electrician.. so I keep wondering if it was really done up to par, especially as the glaring issues were found later. Some of them fixed, others not. Paint shades were not accurately matched. Cleanliness by his crew was ok I have seen my friends projects be done better. 3) Communication was ok. It took me a while to figure out the dynamics. Tldr. Overall the project was decently done. The core work seems to be well done. The finish is lacking. Communication was ok. Supervision by GC was not as good as expected. By the end of the project, I think they were as ready to walk away as we were."

mohan r on November 2024

Welcome to SPS and Contracting! Now servicing North Houston and North Austin! We take pride in the quality of work and customer satisfaction that we give each customer! With over 12 years experience, we are known to pay exquisite attention to detail while making customer satisfaction our top priority. Call us today to learn more about how we can help you! We are following CDC guidelines and do contact-less bidding, We take your safety as our top priority, and we look forward to assisting you!

"We got a decent sized addition done with SPS. They came forward with great ideas and great pricing. We loved his ability to come up with unique solutions and great customer service. The overall build seems to be well done. We have had it for almost a year with no major issues. But the experience was a little challenging 1) Ed is the GC but he does not do a good job overall doing quality control. His son, Jesus is also very good. His Son in law is a really nice guy but his work is not up to par. The last few weeks, Ed left is to his son in law to finish up which meant the final finish was bad. Bathroom cabinet door did not close fully. There were splotches of semi gloss and matte paint all over the place. A door was cut unevenly and is still that way. I pointed out many of these, and they would come and close out a few but let others be. 2) the framing around windows was not a straight line. Slight angles everywhere. Not sure why.... Flooring has dips in it... I pointed it out before they put the flooring down... But still got issues. Electric work was mostly done by an assistant to the master electrician.. so I keep wondering if it was really done up to par, especially as the glaring issues were found later. Some of them fixed, others not. Paint shades were not accurately matched. Cleanliness by his crew was ok I have seen my friends projects be done better. 3) Communication was ok. It took me a while to figure out the dynamics. Tldr. Overall the project was decently done. The core work seems to be well done. The finish is lacking. Communication was ok. Supervision by GC was not as good as expected. By the end of the project, I think they were as ready to walk away as we were."

mohan r on November 2024


Avatar for AGC Home Remodeling

AGC Home Remodeling

5.00(
47
)
Approved Pro

AGC Home Remodeling

5.00(
47
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
67 local quotes requested

AGC Home Remodeling, a top-rated contractor in Austin, TX, specializes in home additions, full remodels, ADUs, new construction, and kitchen and bathroom remodels. With decades of experience, we provide exceptional design, craftsmanship, and customer service, managing every phase from architecture and engineering to permits and construction with precision. Start your remodeling journey with us and experience the difference.

"I cannot say enough great things about Geoff and his team. From start to finish, they made my full home remodeling project an enjoyable and stress-free experience. The team was professional, communicative, and detail-oriented every step of the way. The quality of their work is top-notch, and it’s clear they take great pride in what they do. What impressed me most was how reliable and responsive they were. Anytime I had a question, they had an answer. Anytime an adjustment needed to be made, it was handled quickly and seamlessly. I always felt like my project was a priority. My home feels completely transformed, Geoff feels like he's truly part of the family."

Yolanda W on October 2025

AGC Home Remodeling, a top-rated contractor in Austin, TX, specializes in home additions, full remodels, ADUs, new construction, and kitchen and bathroom remodels. With decades of experience, we provide exceptional design, craftsmanship, and customer service, managing every phase from architecture and engineering to permits and construction with precision. Start your remodeling journey with us and experience the difference.

"I cannot say enough great things about Geoff and his team. From start to finish, they made my full home remodeling project an enjoyable and stress-free experience. The team was professional, communicative, and detail-oriented every step of the way. The quality of their work is top-notch, and it’s clear they take great pride in what they do. What impressed me most was how reliable and responsive they were. Anytime I had a question, they had an answer. Anytime an adjustment needed to be made, it was handled quickly and seamlessly. I always felt like my project was a priority. My home feels completely transformed, Geoff feels like he's truly part of the family."

Yolanda W on October 2025

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FAQs for addition to existing structure building service projects in Austin, TX

Yes, hidden rooms are legal, as long as they meet all local building regulations. If you sell your house, most states require homeowners to disclose full houseplans, which would include any hidden rooms.

If your secret room is a safe room, it should contain a means of communication aside from a cell phone, such as a shortwave radio. You should also have plenty of drinking water, a portable generator, emergency food supplies, blankets, pillows, flashlights, batteries and a first aid kit.

Any time you update your home’s square footage, you increase its value, but a secret room is a niche feature that doesn't rank high on every buyer’s list of must-haves. Investing your money in remodeling more common living areas like bedrooms, bathrooms, or kitchens will have a higher ROI than adding a secret room. Many secret rooms can act as entertainment spaces (think a game room or wine cellar) or quiet spaces (a library or study), so when building your secret room you may want to consider its versatility for when you’re ready to sell.

The Austin, TX 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.