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Top-Rated Shelter or outbuilding builders in Flowery Branch - Updated Nov 2026

Franklin Construction
5.0(
6
)
Shelter or Outbuilding - Build

Serving Flowery Branch, GA and surrounding areas

Approved

In business since 1990

Free estimates

Emergency services offered

"Franklin Construction exceeded our expectations. Bobby Franklin started the journey with us by providing a detailed contract of all that would be done and at a very fair price and within a timeline that suited our needs. He kept us in the loop about what was going to happen next and when. If we ever had any questions he was only a phone call away. Everyone one of his people (carpenters, plumbers, electricians, finishers) were professional, efficient and courteous. We love our basement! It’s better than we thought it would be!"
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+26

Recommended by100%of homeowners
Avatar for G&D Construction Service LLC
G&D Construction Service LLC
5.0(
38
)
Shelter or Outbuilding - Build

Serving Flowery Branch, GA and surrounding areas

In business since 2001

Free estimates

Emergency services offered

"G&D did a wonderful job in remodeling our water damaged bathroom & closet they installed new tile & had to match the hard wood floors which all look great! I would hire them again for any project needed. Very professional and always showed up when they said they would."
ADA approved shower
Beforw
Walk in wet bath
Grab bars and ADA approved toilet
After

+118

Recommended by100%of homeowners
Avatar for Gorman's Remodeling
Gorman's Remodeling
4.6(
22
)
Shelter or Outbuilding - Build

Serving Flowery Branch, GA and surrounding areas

In business since 1989

Free estimates

Emergency services offered

"It was absolutely wonderful, they were even down to details that I didn't expect them to do. They changed out light bulbs in my laundry room that hadn't worked for years and I didn't ask them to do that. They put little stoppers on the back of the doors so it wouldn't bang into the door behind it, you know just little touches that I didn't expect and didn't ask for and they did it just because that's how they are, they were just very very good."
Tile Floor
Tile Floor
Tile Floor
Additional Photos
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+38

Recommended by100%of homeowners
Avatar for Total Quality Construction Services LLC
Total Quality Construction Services LLC
3.9(
16
)
Shelter or Outbuilding - Build

Serving Flowery Branch, GA and surrounding areas

In business since 2015

Free estimates

Emergency services offered

"We experienced some delay related to material availability and weather that was out of our control but the overall project was successful. Outline your expectations clearly in the contact to ensure both party understands their responsibility to avoid any misunderstanding and expectations."
General Remodeling Project
General Remodeling Project
General Remodeling Project
General Remodeling Project
General Remodeling Project

+39

Recommended by76%of homeowners
Avatar for Sequoia Remodeling
Sequoia Remodeling
5.0(
5
)
Shelter or Outbuilding - Build

Serving Flowery Branch, GA and surrounding areas

In business since 2018

Free estimates

Emergency services offered

"Loved my experience with Harvest. Quick, professional service and friendly staff. Highly recommend! I had 3 scheduled quotes from other companies (the only ones to call back and show up). These guys answer the phone, show up on time and the Crew did tear down and new install in TWO days. Couldn’t be happier with the quality. Our fence is beautiful. The installation did a wonderful job!"
Basement From studs to Finished
Kitchen Remodel
Basement From studs to Finished
Kitchen Remodel
Basement From studs to Finished

+38

Recommended by80%of homeowners
Avatar for Backyard Custom Construction LLC
Backyard Custom Construction LLC
4.4(
15
)
Shelter or Outbuilding - Build

Serving Flowery Branch, GA and surrounding areas

In business since 2007

Emergency services offered

Credit card accepted

"We booked construction for a realistic time frame, they asked to move it up and we agreed but they ended up overbooking and we moved back to the originally scheduled date.  To their defense we had 4 days of rain which messed up their schedule - that was the only "glitch'.
The crew of 5 arrived at 9:30am and by 8pm we had a 240 square foot shed with 3 windows, french doors, a single-entry door and a loft.  I've never seen more attention to detail or measuring - especially for a shed.  These guys acted like they were building a house.  They also added a ridge vent and put architectural shingles on the roof to match my house.
They were low-maintenance, extremely polite and cleaned the entire site before they left.
Oh and that decorative window - the level of detail one of the crew put into installing that (Wes?) was like a cosmetic surgeon.
These guys run a business that I want to support, they're local, they're smart and they are REALLY good at what they do.
By the way, our "drawing" of how we wanted the shed to look was awful and these guys took our vision and made it better than we imagined.  They didn't have a photo to go on, just words and ideas that they brought it to life.

"
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+14

Recommended by80%of homeowners
Avatar for Handyman Matters NE Metro Atlanta
Handyman Matters NE Metro Atlanta
4.6(
85
)
Shelter or Outbuilding - Build

Serving Flowery Branch, GA and surrounding areas

In business since 1997

Credit card accepted

"Exterior work was very good and the technician was knowledgeable. However the job was priced by the hour not the work to be done. After the slotted four hours was up the fellow had to leave. I was left with a hole in the interior drywall and numerous places I had to repair and paint. The job was therefore done but not completed."
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Covered Deck
Covered Deck Fireplace

+2

Recommended by94%of homeowners
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FAQs for shelter or outbuilding building service projects in Flowery Branch, GA

A bomb shelter is an abode built to withstand disaster. Bomb shelters may refer to a space or bunker that can protect inhabitants through a hypothetical nuclear attack, apocalypse, or any other massive crisis. People usually build bomb shelters underground and stock them to live there a few days to a month at a time. Doomsday bunkers accommodate long-term living rather than just through a short crisis.

Builders construct bomb shelters with reinforced steel, box culvert, concrete, or other durable materials (but many professionals do not recommend shipping containers, as they’re not designed to live underground. If building underground, you’ll first have to excavate land before building the actual structure. You’ll have to implement air and water filtration systems, septic systems, and power supply.

It takes a lot of experience to safely and legally construct a bomb shelter, not to mention make sure it’s fit to live in for extended periods of time. It’s best to talk to a residential structural engineer near you for proper guidance.

The current standard filtration systems require filtering both air and water. For air, you’ll want an NBC filter system, which both domestic and international producers make. NBC stands for Nuclear, Biological, and Chemical, which filters out all three. If you’re only building your shelter for natural disasters, chemical attacks, and biological attacks, you may opt for the less expensive HEPA filter system. 

Water filtration requires the same level of care. You’ll likely want to have a large water storage capacity to survive short-term disasters. For long-term living, you’ll want to have a water filtration system.

Rising S bunker prices depend on the size, ranging anywhere from $20,000 to $9 million. Their least expensive model is 96 square feet while their most expensive model has a gym, swimming pool, hot tub, and bowling alley.

  • Mini: $45,500

  • Standard Bomb Shelter: $67,500–$109,500

  • Silver Leaf: $140,000–$182,500

  • Admiral: $180,000–$500,000

  • Xtreme: $450,000–$780,000

  • Xtreme Bunker Complex: $840,000–$1,830,000

  • Luxury Series: $3,800,000–$9,600,000

You almost always need a permit to build a bunker on land with any type of public utilities running through it. You’ll want to check with your local building code enforcement agency to see if this is the case for your area. 

Because you’re building a structural component that often requires electricity, water, and sewage services, you’ll need to apply for permits to attach these utilities to your new property. However, off-grid-only units in rural areas may not need all or any of the permitting you’d normally find in more urban settings.

To survive a nuclear blast, you’ll need to have your bunker at least three feet underground. However, it’s usually advisable to put it further underground. To survive a close strike, you’ll want to have the bunker at least 10 feet down and with five-foot thick reinforced concrete. However, knowing exactly how deep to build depends on the size of the blast you’re trying to avoid. Most bunkers don’t need to be more than 5 feet below the ground. 

The Flowery Branch, GA homeowners’ guide to shelter or outbuilding building services

From average costs to expert advice, get all the answers you need to get your job done.