Are hidden rooms legal?

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.

What should be in a safe room?

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.

Does a secret room add value to your home?

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.

Top-Rated Addition to Existing Structure Building Services Experts in Marion, TX

Robinson Construction

Robinson Construction

Customers say: Quick response

Recommended by 100% of Angi customers

35 years of experience

Established in 1990, Robinson Construction Inc. is an experienced General Contractor providing COMMERCIAL and RESIDENTIAL construction services, including new construction and major renovations, including kitchen, bath, room additions, and commercial office renovations. We manage the entire project, start to finish, with some of the best Subcontractors and Project Managers in the industry. When you want your project done right, call Robinson Construction!

"We hired John Robinson to paint the entire interior, rock the living room fireplace (beautifully crafted with Austin Cave stone) 10ft to the ceiling, prep the kitchen for new cabinets and install quarter round throughout the house. The sub contractors were very good craftsmen and thatâ s what put us at ease about the project."

Jack T on May 2024

Established in 1990, Robinson Construction Inc. is an experienced General Contractor providing COMMERCIAL and RESIDENTIAL construction services, including new construction and major renovations, including kitchen, bath, room additions, and commercial office renovations. We manage the entire project, start to finish, with some of the best Subcontractors and Project Managers in the industry. When you want your project done right, call Robinson Construction!

"We hired John Robinson to paint the entire interior, rock the living room fireplace (beautifully crafted with Austin Cave stone) 10ft to the ceiling, prep the kitchen for new cabinets and install quarter round throughout the house. The sub contractors were very good craftsmen and thatâ s what put us at ease about the project."

Jack T on May 2024

Hotchkiss Construction

20659 Stoneoak Parkway #911

New on HomeAdvisorNew on HomeAdvisor

•Approved Pro

Hotchkiss Construction

20659 Stoneoak Parkway #911

New on HomeAdvisorNew on HomeAdvisor

•Approved Pro

26 years of experience

Free onsite estimate

We are a full service construction company. Whether you need a home remodel, an addition, a deck or small home repairs we service them all. Hotchkiss Construction is a family owned company that has served residential and commercial customers since 1999. We also service Property Management companies both residential and commercial. No matter what your need is we have an employee that specializes in that area. Call us for an estimate or a quick service call set at time plus materials.

Vision Design and Build

Vision Design and Build

Customers say: Quality work

10 local quotes requested

23 years of experience

Vision Design and Build opened its doors in 2003. However, we have built a reputation for quality work with each satisfied customer. As we've grown, we've been careful not to compromise our commitment to quality. We specialize in additions, major renovations, and remodels. To learn more about our company and the services we offer, click on the My Website link above. Our sense of pride is apparent in every addition or remodel project we complete. Our quality craftsmanship will satisfy the most discriminating tastes and our affordable pricing will surprise even the most frugal budget. Do not hesitate to phone or e-mail us directly to schedule a time to meet.

"Overall a great experience! I recommend Brian and the team. There were issues in Supply chain after COVID, but VDB communicated; and when we raised concerns, adjusted. Id work with them again."

Will C on September 2024

Vision Design and Build opened its doors in 2003. However, we have built a reputation for quality work with each satisfied customer. As we've grown, we've been careful not to compromise our commitment to quality. We specialize in additions, major renovations, and remodels. To learn more about our company and the services we offer, click on the My Website link above. Our sense of pride is apparent in every addition or remodel project we complete. Our quality craftsmanship will satisfy the most discriminating tastes and our affordable pricing will surprise even the most frugal budget. Do not hesitate to phone or e-mail us directly to schedule a time to meet.

"Overall a great experience! I recommend Brian and the team. There were issues in Supply chain after COVID, but VDB communicated; and when we raised concerns, adjusted. Id work with them again."

Will C on September 2024

M&C Remodeling, LLC

M&C Remodeling, LLC

Customers say: Terrific value

Recommended by 100% of Angi customers

19 years of experience

Welcome to M&C REMODELING LLC. We are the premier professional home improvement company in the Austin area. We offer the highest quality and most attentive customer service. We are known to pay exquisite attention to detail while making customer satisfaction our top priority. We are glad to be your number one choice. Please call us today to schedule your appointment!

"Fabulous to work with."

Jill M on January 2023

Welcome to M&C REMODELING LLC. We are the premier professional home improvement company in the Austin area. We offer the highest quality and most attentive customer service. We are known to pay exquisite attention to detail while making customer satisfaction our top priority. We are glad to be your number one choice. Please call us today to schedule your appointment!

"Fabulous to work with."

Jill M on January 2023

CW Custom Builders

555 County Road 405

New on HomeAdvisorNew on HomeAdvisor

•Approved Pro

CW Custom Builders

555 County Road 405

New on HomeAdvisorNew on HomeAdvisor

•Approved Pro

2025 years of experience

Free onsite estimate

CW Custom Builders is a high-quality residential and commercial construction company serving Central Texas. We handle all phases of construction—from new builds to remodeling and additions—while priding ourselves on a foundation of honesty and integrity. Call today to get your project underway 830-391-9897.

Bordeaux Luxury Homes

Bordeaux Luxury Homes

Customers say: True professional

Recommended by 93% of Angi customers

97 local quotes requested

Bordeaux Luxury Homes is a Custom Home Remodeling & Building Firm Serving South Central Texas and the Texas Hill Country. We are a design-build remodeling firm specializing in additions, masterpiece kitchens, custom garages, luxurious bathroom suites, resort-style outdoor living, and much more. In other words: If you can dream it, we can build it. Our passion for detail and communication will take the stress out of your home-design project. After all, your custom home-remodel project will be designed specifically with your needs and desires in mind. From conception and design to construction and completion, you can count on us to create the home you've always envisioned. ¡Hablamos Español! If you have any questions, please call us or send us a message. Our website has a wealth of information about who we are and our recognitions.

"Did a great job. Loved the work they did."

Dana H on August 2025

Bordeaux Luxury Homes is a Custom Home Remodeling & Building Firm Serving South Central Texas and the Texas Hill Country. We are a design-build remodeling firm specializing in additions, masterpiece kitchens, custom garages, luxurious bathroom suites, resort-style outdoor living, and much more. In other words: If you can dream it, we can build it. Our passion for detail and communication will take the stress out of your home-design project. After all, your custom home-remodel project will be designed specifically with your needs and desires in mind. From conception and design to construction and completion, you can count on us to create the home you've always envisioned. ¡Hablamos Español! If you have any questions, please call us or send us a message. Our website has a wealth of information about who we are and our recognitions.

"Did a great job. Loved the work they did."

Dana H on August 2025

Loviolette Enterprises

Loviolette Enterprises

Customers say: True professional

Recommended by 94% of Angi customers

19 local quotes requested

From the initial design process to construction completion, we consider ourselves humble guests in your home, and as such respect your personal privacy and space. Classic Restoration of your home. Full service.

"Elliott did an amazing job! We were looking for a kitchen demo and new drywall so we could have cabinets installed. Elliott was very thorough with his assessment of the room and made sure the job was done right. He notified us of problems he found along the way and managed to keep us in our budget. We will definitely be using Loviolette Enterprises in the future!"

Daniel W on January 2024

From the initial design process to construction completion, we consider ourselves humble guests in your home, and as such respect your personal privacy and space. Classic Restoration of your home. Full service.

"Elliott did an amazing job! We were looking for a kitchen demo and new drywall so we could have cabinets installed. Elliott was very thorough with his assessment of the room and made sure the job was done right. He notified us of problems he found along the way and managed to keep us in our budget. We will definitely be using Loviolette Enterprises in the future!"

Daniel W on January 2024

Express Sunrooms of San Antonio

4007 McCullough Avenue

5.00(

14

)

•Approved Pro

Express Sunrooms of San Antonio

4007 McCullough Avenue

5.00(

14

)

•Approved Pro

Customers say: Quick response

Recommended by 100% of Angi customers

Recommended by 100% of HomeAdvisor customers

222 local quotes requested

No Payments and No Interest if Paid in Full Within 60 Months - ask about this and other flexible payment options! NO Money Out Of Pocket Until Job Is Complete! Payments are available ask about 0% financing Since 2010, Express Sunrooms has completed thousands of outdoor construction projects. We have been awarded as one of the top 500 construction companies in the US by Qualified Remodeler for the past 7 years in a row. Whether you are looking for a wood or composite deck, concrete patio, patio cover, pergola, screen room, retractable awning, paver installation, motorized projector screens or hardscapes, we've got you covered! If you’re interested in upgrading your home there’s no better outdoor living company for you to call. Contact our team today!

"Excellent workmanship, top notch customer service, no money out of pocket until the job was complete! Doesn't get any better than that!!!! Thank you Express Sun Rooms."

Effie S on September 2025

No Payments and No Interest if Paid in Full Within 60 Months - ask about this and other flexible payment options! NO Money Out Of Pocket Until Job Is Complete! Payments are available ask about 0% financing Since 2010, Express Sunrooms has completed thousands of outdoor construction projects. We have been awarded as one of the top 500 construction companies in the US by Qualified Remodeler for the past 7 years in a row. Whether you are looking for a wood or composite deck, concrete patio, patio cover, pergola, screen room, retractable awning, paver installation, motorized projector screens or hardscapes, we've got you covered! If you’re interested in upgrading your home there’s no better outdoor living company for you to call. Contact our team today!

"Excellent workmanship, top notch customer service, no money out of pocket until the job was complete! Doesn't get any better than that!!!! Thank you Express Sun Rooms."

Effie S on September 2025

Diamond Decks

20935 US-281 S

4.57(

65

)

•Approved Pro

Diamond Decks

20935 US-281 S

4.57(

65

)

•Approved Pro

Customers say: Quality work

513 local quotes requested

10 years of experience

Diamond Decks is a trusted deck builder in San Antonio, TX with over 20 years of combined experience in designing and constructing custom outdoor living spaces. We specialize in custom decks, patios, pergolas, patio covers, and other outdoor structures that transform backyards into functional and beautiful spaces. Our team of skilled carpenters and tradesmen is dedicated to quality craftsmanship, creative designs, and lasting results. Whether you’re looking for a composite deck, a covered patio, or a unique outdoor living solution, Diamond Decks delivers with honesty, attention to detail, and a commitment to customer satisfaction. Positive things happen to positive people—and positive results happen when you choose Diamond Decks.

"Think twice before hiring this company. This review is based on how we were treated by the owner Donnie Ferguson. We hired Diamond Decks to install a patio cover in our backyard. The cover is beautiful. The material matches the house and the craftmanship of the fireplace, roof and woodwork are exactly what we wanted. Here’s where it all went wrong. The last job was to stain the concrete both existing and the new walkway we had them install. The crew did not power wash the 10-year-old concrete before staining. We contacted the project manager right away and asked why they were not power washing and he said the crew didn’t think it needed power washed. Ten years of dirt and they didn’t think it needed power washed? Prior to staining, the crew put samples of the color on the concrete and asked for approval of the color. They didn’t wait for the stain to dry but had us sign off on the color while it was wet. The certificate we signed says “Do not sign this certificate until all services have been satisfactorily performed and material supplied or goods received and found satisfactory.” Despite this warning they had us sign the certificate prior to the stain and seal being applied. Let me also point out that no one asked us what we wanted the stain to look like or guided us in any way to get the look we wanted. The stain looked nothing like we wanted so they came back and applied another color and seal and made it worse. We reached out to Donnie and let him know we were not happy with the stain. His resolution was to charge us another $10,000 to do an overlay on the two patios and then apply another stain. Donnie believed it was the old concrete that was the problem and thought we needed an overlay. We received quotes from two other companies to fix the stain. Neither company thought we needed an overlay. Instead they would remove the seal and stain and reapply the color we wanted. We again reached out to Donnie and respectfully asked for a reduction in our final payment of $7500 to fix the concrete stain. This was his reply: Absolutely not. We are experts and what we do and the color selection you picked does not need multiple coats. I do not care who you are getting your false information from. And you cannot remove foot print and terrible texture work that is in the concrete work we did not pour. The imperfections would be difficult for anyone to see because they are enhanced once the color and sealer are applied. This has one of the best sealer you can use and this is specifically why the form says DO NOT SIGN THIS FORM Unless you approve the color. It’s not an easy product to strip off hence the reason it last much longer and that’s why we use it. The balance owed is now past due $41628. I will need payment in full by the end of day or I will need to notify the attorneys that the contract breach is made. You’ve signed all the paperwork we asked of you and now you wanna insult us by telling us you want us to refund money cause you don’t like what you selected. This is the owner of the company, threatening, insulting and hostile. We of course were not in breach of contract and he knew it. They had just completed the work seven days ago. Again, think twice about hiring this company. They showed a total lack of concern about our dissatisfaction and blaming us for the results of the concrete stain. I will say that Casey, the project manager, was always professional and showed empathy for our concerns."

Marianne B on January 2025

Diamond Decks is a trusted deck builder in San Antonio, TX with over 20 years of combined experience in designing and constructing custom outdoor living spaces. We specialize in custom decks, patios, pergolas, patio covers, and other outdoor structures that transform backyards into functional and beautiful spaces. Our team of skilled carpenters and tradesmen is dedicated to quality craftsmanship, creative designs, and lasting results. Whether you’re looking for a composite deck, a covered patio, or a unique outdoor living solution, Diamond Decks delivers with honesty, attention to detail, and a commitment to customer satisfaction. Positive things happen to positive people—and positive results happen when you choose Diamond Decks.

"Think twice before hiring this company. This review is based on how we were treated by the owner Donnie Ferguson. We hired Diamond Decks to install a patio cover in our backyard. The cover is beautiful. The material matches the house and the craftmanship of the fireplace, roof and woodwork are exactly what we wanted. Here’s where it all went wrong. The last job was to stain the concrete both existing and the new walkway we had them install. The crew did not power wash the 10-year-old concrete before staining. We contacted the project manager right away and asked why they were not power washing and he said the crew didn’t think it needed power washed. Ten years of dirt and they didn’t think it needed power washed? Prior to staining, the crew put samples of the color on the concrete and asked for approval of the color. They didn’t wait for the stain to dry but had us sign off on the color while it was wet. The certificate we signed says “Do not sign this certificate until all services have been satisfactorily performed and material supplied or goods received and found satisfactory.” Despite this warning they had us sign the certificate prior to the stain and seal being applied. Let me also point out that no one asked us what we wanted the stain to look like or guided us in any way to get the look we wanted. The stain looked nothing like we wanted so they came back and applied another color and seal and made it worse. We reached out to Donnie and let him know we were not happy with the stain. His resolution was to charge us another $10,000 to do an overlay on the two patios and then apply another stain. Donnie believed it was the old concrete that was the problem and thought we needed an overlay. We received quotes from two other companies to fix the stain. Neither company thought we needed an overlay. Instead they would remove the seal and stain and reapply the color we wanted. We again reached out to Donnie and respectfully asked for a reduction in our final payment of $7500 to fix the concrete stain. This was his reply: Absolutely not. We are experts and what we do and the color selection you picked does not need multiple coats. I do not care who you are getting your false information from. And you cannot remove foot print and terrible texture work that is in the concrete work we did not pour. The imperfections would be difficult for anyone to see because they are enhanced once the color and sealer are applied. This has one of the best sealer you can use and this is specifically why the form says DO NOT SIGN THIS FORM Unless you approve the color. It’s not an easy product to strip off hence the reason it last much longer and that’s why we use it. The balance owed is now past due $41628. I will need payment in full by the end of day or I will need to notify the attorneys that the contract breach is made. You’ve signed all the paperwork we asked of you and now you wanna insult us by telling us you want us to refund money cause you don’t like what you selected. This is the owner of the company, threatening, insulting and hostile. We of course were not in breach of contract and he knew it. They had just completed the work seven days ago. Again, think twice about hiring this company. They showed a total lack of concern about our dissatisfaction and blaming us for the results of the concrete stain. I will say that Casey, the project manager, was always professional and showed empathy for our concerns."

Marianne B on January 2025

Custom Outdoor Creations

123 Main St.

5.00(

2

)

•Approved Pro

Custom Outdoor Creations

123 Main St.

5.00(

2

)

•Approved Pro

Recommended by 100% of Angi customers

Recommended by 100% of HomeAdvisor customers

1162 local quotes requested

We specialize in all phases of landscaping design and installs, hardscaping, pavers, irrigation systems, outdoor kitchens and living spaces, trees, plants, flowers, and more! We offer a diverse range of services tailored to meet the unique needs of every customer. We take a personalized approach to each project. We work closely with our clients to understand their vision, preferences, and budgetary requirements. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!

"They guys were great. Very professional and hard working. Owner spoke with me and explained everything so there were no hidden charges. Very grateful for their quick response and getting the work done quickly. I will definitely hire them again."

Denise R on June 2025

We specialize in all phases of landscaping design and installs, hardscaping, pavers, irrigation systems, outdoor kitchens and living spaces, trees, plants, flowers, and more! We offer a diverse range of services tailored to meet the unique needs of every customer. We take a personalized approach to each project. We work closely with our clients to understand their vision, preferences, and budgetary requirements. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!

"They guys were great. Very professional and hard working. Owner spoke with me and explained everything so there were no hidden charges. Very grateful for their quick response and getting the work done quickly. I will definitely hire them again."

Denise R on June 2025

Get matched with top addition to existing structure builders in Marion, TX

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Find Addition to existing structure builders in Marion

Robinson Construction

Robinson Construction

Hotchkiss Construction

Hotchkiss Construction

Vision Design and Build

Vision Design and Build

M&C Remodeling, LLC

M&C Remodeling, LLC

CW Custom Builders

CW Custom Builders

Bordeaux Luxury Homes

Bordeaux Luxury Homes

Loviolette Enterprises

Loviolette Enterprises

Express Sunrooms of San Antonio

Express Sunrooms of San Antonio

Diamond Decks

Diamond Decks

Custom Outdoor Creations

Custom Outdoor Creations

The Marion, TX homeowners’ guide to addition to existing structure building services

How Much Does a Bus Conversion Cost in 2025?

DIY Kitchen Remodel

Build a Dining Room

Build a Secret Room

Build an A-Frame House

Build a Bar

Get our Angi-powered app

Get matched with top addition to existing structure builders in Marion, TX

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Find Addition to existing structure builders in Marion

Robinson Construction

Robinson Construction

Hotchkiss Construction

Hotchkiss Construction

Vision Design and Build

Vision Design and Build

M&C Remodeling, LLC

M&C Remodeling, LLC

CW Custom Builders

CW Custom Builders

Bordeaux Luxury Homes

Bordeaux Luxury Homes

Loviolette Enterprises

Loviolette Enterprises

Express Sunrooms of San Antonio

Express Sunrooms of San Antonio

Diamond Decks

Diamond Decks

Custom Outdoor Creations

Custom Outdoor Creations

The Marion, TX homeowners’ guide to addition to existing structure building services

How Much Does a Bus Conversion Cost in 2025?

DIY Kitchen Remodel

Build a Dining Room

Build a Secret Room

Build an A-Frame House

Build a Bar

Related projects

Major Markets