
In-Ground Storm Shelters in Tulsa & Northeast Oklahoma
Concrete. In-ground. Built to exceed FEMA standards. Because in Tornado Alley, your family’s safety isn’t optional.
Oklahoma is in the heart of Tornado Alley. Summit’s primary focus is concrete in-ground storm shelters — the safest type of residential tornado protection available. Every shelter we build meets or exceeds FEMA 320/361 standards and is rated for EF5 tornado wind loads.
Our concrete expertise is what makes Summit’s storm shelters different. The same engineer protocols and rebar-on-chairs construction that goes into our foundations goes into every shelter. These aren’t prefab drop-in units — they’re poured-in-place concrete structures built to protect your family for generations.
Client Testimonials
What We Build
In-ground concrete storm shelters (garage or yard access)|Community shelter-grade safe rooms for larger properties|EF5-rated wind load protection|Above-ground safe rooms (available upon specific request)
Timeline
2–4 weeks
OKIE811 utility locate required before excavation. All shelters meet or exceed FEMA 320/361 standards and are engineered for EF5 wind loads.


Alan Holcombe
Owner & Project Manager
With decades of experience in all areas of building—and with an uncompromising commitment to quality—Alan will meet with you in-person to ensure your project is done right from start to finish and bring you satisfaction for decades.








Your One-Stop Shop for any kind of structure
Whatever it is, yes, we can do it! And you won’t have to coordinate a dozen different trades. We’ll handle everything: site design, building plans, materials selection, post-tension slab, colored concrete sidewalk, stub-in utility connections or do everything including the drywall and appliances.
We have high standards in everything we do, including building according to engineered specs and with long-lasting materials.
Whether an outdoor kitchen or horse barn, we have the skilled workforce to see your project through to the end.
Let’s Get Started with a Free In-Person Quote





Answers to Common Questions
How much does a storm shelter cost in Oklahoma?
In-ground or above-ground — which is safer?
How long does it take to install a storm shelter?
Can you install a shelter in my existing garage floor?
Are your storm shelters FEMA rated?
Still have more questions?
Tulsa’s Turn-Key Barndo & Outdoor Living Contractor
Alan meets with you in-person to ensure your project is hassle-free from start to finishes. We’re able to build just the shell of your structure to let you DIY the interior, or we can take it all the way across the finish line.
35+ Years
leading the industry in quality installations
500+ Projects
completed to client’s satisfaction
10+ Types
of premium construction services available
Turn-Key GC
from Foundation to Finishes (or anywhere in-between)
