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Find Addition to existing structure builders in District Heights

Avatar for GaaJ

GaaJ

11711 Ash Rd
5.00(
2
)
•Approved Pro

GaaJ

11711 Ash Rd
5.00(
2
)
•Approved Pro
Customers say: Quick response
19 years of experience
Free onsite estimate

We're 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 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!

"GAAJ’s team were truly professionals. They listened to our needs and made my grandmother’s vision of a room, a reality. They were passionate and went above and beyond with details on the construction. If you have any building needs, I highly recommend GAAJ!"

Stephanie K on August 2025

We're 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 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!

"GAAJ’s team were truly professionals. They listened to our needs and made my grandmother’s vision of a room, a reality. They were passionate and went above and beyond with details on the construction. If you have any building needs, I highly recommend GAAJ!"

Stephanie K on August 2025

Avatar for East Coast Concrete LLC

East Coast Concrete LLC

7310 Ritchie Highway, Suite 200
4.34(
78
)
•Approved Pro

East Coast Concrete LLC

7310 Ritchie Highway, Suite 200
4.34(
78
)
•Approved Pro
1 years of experience
Free onsite estimate

East Coast Concrete LLC, proudly servicing Pasadena, MD and the surrounding areas. Our goal is to complete your project to perfection. We look forward to building long lasting relationships with the customers that we serve. We look forward to serving you. Call us today! You will not be disappointed.

"Fast response, fantastic results, and they had the job done in one day. Before leaving they checked to make sure everything was completed to my satisfaction. I would highly recommend them to anyone needing concrete work done. "

Robert H on September 2025

East Coast Concrete LLC, proudly servicing Pasadena, MD and the surrounding areas. Our goal is to complete your project to perfection. We look forward to building long lasting relationships with the customers that we serve. We look forward to serving you. Call us today! You will not be disappointed.

"Fast response, fantastic results, and they had the job done in one day. Before leaving they checked to make sure everything was completed to my satisfaction. I would highly recommend them to anyone needing concrete work done. "

Robert H on September 2025

Avatar for Solid Foundation Construction LLC

Solid Foundation Construction LLC

5.00(
3
)
•Approved Pro

Solid Foundation Construction LLC

5.00(
3
)
•Approved Pro
78 local quotes requested
31 years of experience

Solid Foundation Construction 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 look forward to working with you.

"Great customer service. Transparency and time management was the key, and he delivered it. He advised me on using quality products which I appreciate. Will definitely recommend "

Ham A on February 2025

Solid Foundation Construction 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 look forward to working with you.

"Great customer service. Transparency and time management was the key, and he delivered it. He advised me on using quality products which I appreciate. Will definitely recommend "

Ham A on February 2025

Avatar for VILLAGREZ GENERAL CONSTRUCTION LLC

VILLAGREZ GENERAL CONSTRUCTION LLC

9650 Covered Wagon Dr APT J
New on HomeAdvisorNew on HomeAdvisor
•Approved Pro

VILLAGREZ GENERAL CONSTRUCTION LLC

9650 Covered Wagon Dr APT J
New on HomeAdvisorNew on HomeAdvisor
•Approved Pro
25 years of experience
Free onsite estimate

We’re 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 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!

We’re 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 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!

Avatar for Design Kitchen and Bath, LLC

Design Kitchen and Bath, LLC

8450 Baltimore National Pike Suite 150
4.83(
6
)
•Approved Pro

Design Kitchen and Bath, LLC

8450 Baltimore National Pike Suite 150
4.83(
6
)
•Approved Pro
53 local quotes requested
9 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.

"Design Kitchen and Bath exceeded our expectations with our master bathroom remodel. My project manager, Atakan, was professional, detail-focused, and brought our vision to life with stunning craftsmanship. They stayed on schedule and within budget, making the entire process seamless. Highly recommend!"

Marie S on January 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.

"Design Kitchen and Bath exceeded our expectations with our master bathroom remodel. My project manager, Atakan, was professional, detail-focused, and brought our vision to life with stunning craftsmanship. They stayed on schedule and within budget, making the entire process seamless. Highly recommend!"

Marie S on January 2025

Avatar for Stout Restorations, Inc.

Stout Restorations, Inc.

3809 Quincy St
4.82(
17
)
•Approved Pro

Stout Restorations, Inc.

3809 Quincy St
4.82(
17
)
•Approved Pro
Customers say: Super punctual
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
23 years of experience

Stout Restorations, Inc. is a general contracting company specializing in remodeling and restoration of historical homes. We provide services for residential, religious institutions, office buildings and restaurants clients. Stout Restorations, Inc. provides premium quality of craftsmanship and expertise to deliver a superior level of service to our clients. No matter what size of a project we manage each task with great attention to details, care and communicating positively towards mutual understanding with our clients to achieve a successful execution of a project.

"We needed an office area built in an open floor planned condominium, along with several bookcases. Jeff and his team proposed several ideas and we trusted his guidance. We could not be more happy with the results. The office area, bookcases and hidden storage are beautiful! Their work is top notch and well worth the money."

Doug E on April 2024

Stout Restorations, Inc. is a general contracting company specializing in remodeling and restoration of historical homes. We provide services for residential, religious institutions, office buildings and restaurants clients. Stout Restorations, Inc. provides premium quality of craftsmanship and expertise to deliver a superior level of service to our clients. No matter what size of a project we manage each task with great attention to details, care and communicating positively towards mutual understanding with our clients to achieve a successful execution of a project.

"We needed an office area built in an open floor planned condominium, along with several bookcases. Jeff and his team proposed several ideas and we trusted his guidance. We could not be more happy with the results. The office area, bookcases and hidden storage are beautiful! Their work is top notch and well worth the money."

Doug E on April 2024

Avatar for The North Star Companies, LLC

The North Star Companies, LLC

P.O. Box 495
4.98(
47
)
•Approved Pro

The North Star Companies, LLC

P.O. Box 495
4.98(
47
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
20 years of experience

The North Star Companies, LLC, is the premier contracting company in MD. We pride ourselves on delivering a quality service, at an affordable price, with the customer's best interests at heart.

"We have used The North Star Companies for several jobs in the past, with the most recent being the largest. We hired them do a complete renovation of our home in Severn. The job grew larger as demo began and turned into a job requiring the rebuild of exterior walls, demo of concrete slabs - basically the house had to be rebuilt from the ground up. All new plumbing, electric, framing, windows, siding, roof, etc. I have known Chris for 20+ years and was confident that our forever home would be solid and done right. We had a few hiccups throughout the process - as this was done during Covid, so there were supply issues, delays and so forth, but Chris and his guys did an amazing job. We couldn't be happier and are continuously getting compliments on our beautiful home. Chris has been and will continue to be our go-to for any construction needs for us and our family and friends."

toni l on December 2023

The North Star Companies, LLC, is the premier contracting company in MD. We pride ourselves on delivering a quality service, at an affordable price, with the customer's best interests at heart.

"We have used The North Star Companies for several jobs in the past, with the most recent being the largest. We hired them do a complete renovation of our home in Severn. The job grew larger as demo began and turned into a job requiring the rebuild of exterior walls, demo of concrete slabs - basically the house had to be rebuilt from the ground up. All new plumbing, electric, framing, windows, siding, roof, etc. I have known Chris for 20+ years and was confident that our forever home would be solid and done right. We had a few hiccups throughout the process - as this was done during Covid, so there were supply issues, delays and so forth, but Chris and his guys did an amazing job. We couldn't be happier and are continuously getting compliments on our beautiful home. Chris has been and will continue to be our go-to for any construction needs for us and our family and friends."

toni l on December 2023

Avatar for Gomez Contractor

Gomez Contractor

1002 Somerset Dr
5.00(
12
)
•Approved Pro

Gomez Contractor

1002 Somerset Dr
5.00(
12
)
•Approved Pro
Customers say: Quality work
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
24 local quotes requested

Gomez contractor LLC specializes in home remodeling kitchen bathrooms etc. guaranteed jobs & keep our customers satisfied

"Good service "

Robert N on September 2025

Gomez contractor LLC specializes in home remodeling kitchen bathrooms etc. guaranteed jobs & keep our customers satisfied

"Good service "

Robert N on September 2025

Avatar for Ballard Enterprises - Lawn, Landscaping, Tree Services

Ballard Enterprises - Lawn, Landscaping, Tree Services

1371 Saint Stephens Church Rd
4.51(
292
)
•Approved Pro

Ballard Enterprises - Lawn, Landscaping, Tree Services

1371 Saint Stephens Church Rd
4.51(
292
)
•Approved Pro
Customers say: Quality work
1149 local quotes requested
22 years of experience

We are a full service Lawn Care, Landscaping, and Tree Service. If it's in your yard, our professional staff of qualified and certified technicians are here to help. We offer a full range of services, including: - Lawn Maintenance - Patios and Walkways - Fire Pits and Water Features - Outdoor Kitchens and Pool Surroundings - Paver Driveways - Tree Removal - Tree Pruning - Stump Grinding - Tree health and Risk Assessment - All other facets of Lawn Care, Landscaping, and Tree Services

"Project Manager came to site. Reviewed tasks and provided estimates"

Tochi I on January 2025

We are a full service Lawn Care, Landscaping, and Tree Service. If it's in your yard, our professional staff of qualified and certified technicians are here to help. We offer a full range of services, including: - Lawn Maintenance - Patios and Walkways - Fire Pits and Water Features - Outdoor Kitchens and Pool Surroundings - Paver Driveways - Tree Removal - Tree Pruning - Stump Grinding - Tree health and Risk Assessment - All other facets of Lawn Care, Landscaping, and Tree Services

"Project Manager came to site. Reviewed tasks and provided estimates"

Tochi I on January 2025

Avatar for First Impression Hardscapes, LLC

First Impression Hardscapes, LLC

7154 Montevideo Rd
4.69(
118
)
•Approved Pro

First Impression Hardscapes, LLC

7154 Montevideo Rd
4.69(
118
)
•Approved Pro
Customers say: Quality work
1317 local quotes requested
15 years of experience

First Impression Hardscapes is the premier hardscape artisan in the D.C. metro area, serving Maryland and Washington D.C. We take a custom approach to designing your driveway, walkway, patio, or pool deck in elegant flagstone or stunning, durable pavers. First Impression’s will turn your hardscape fantasies into a First Impression reality! - OUR MISSION: To provide lifestyle changing hardscapes that are aesthetically pleasing, durable, and have eternal value. - OUR VISION: To be the leading hardscape installer in Maryland and Washington D.C. by becoming home and property owners’ first choice for all of their hardscape needs. - OUR HISTORY: First Impression Hardscapes has over 20 years combined experience in serving the D.C. metro area. Our quality of construction is second to none, and we also pride ourselves in having superior customer relations. All of our crews are completely “in house”; we do not use sub-contractors. We are licensed and insured for all of your hardscape needs. No matter how large or small, we are pleased to transform your hardscape fantasies into a First Impression reality! -- Additional email: info@firsthardscapes.com.

"Prompt service. We are very happy with the quality of work. We would hire them again."

Jesse T on May 2025

First Impression Hardscapes is the premier hardscape artisan in the D.C. metro area, serving Maryland and Washington D.C. We take a custom approach to designing your driveway, walkway, patio, or pool deck in elegant flagstone or stunning, durable pavers. First Impression’s will turn your hardscape fantasies into a First Impression reality! - OUR MISSION: To provide lifestyle changing hardscapes that are aesthetically pleasing, durable, and have eternal value. - OUR VISION: To be the leading hardscape installer in Maryland and Washington D.C. by becoming home and property owners’ first choice for all of their hardscape needs. - OUR HISTORY: First Impression Hardscapes has over 20 years combined experience in serving the D.C. metro area. Our quality of construction is second to none, and we also pride ourselves in having superior customer relations. All of our crews are completely “in house”; we do not use sub-contractors. We are licensed and insured for all of your hardscape needs. No matter how large or small, we are pleased to transform your hardscape fantasies into a First Impression reality! -- Additional email: info@firsthardscapes.com.

"Prompt service. We are very happy with the quality of work. We would hire them again."

Jesse T on May 2025

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FAQs for addition to existing structure building service projects in District Heights, MD

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 District Heights, MD 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.

See all articles
  • A renovated kitchen with a waterfall island

    HomeAdvisor’s DIY Kitchen Remodel Cost Guide looks at the cost of buying supplies and doing the work yourself. Find the key cost factors and how to cut expenses.

  • Secret room within bookcase

    HomeAdvisor's expert guide walks you through the cost to build a secret room, whether you're creating a safe room for security or a fun space to fulfil your childhood fantasies. Use this guide to help plan your secret room project and explore room, concea

  • outdoor patio bar

    Explore the cost to build a bar in your home and learn how materials, wet vs. dry bars, and labor costs influence the total price of your project.