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Limitless plan configurations are available customized to your preferences. Contact us >
Every concrete structure we've built is custom designed and custom built by our team based on your custom preferences. Or your preferred architect can adapt your plan to our pre-engineered specifications to greatly reduce your construction costs. They are easily adaptable to any plan.
If you have a floor plan that you like, or a rough draft (it can be very rough), we can draft and create your plan. Your preliminary custom plan reflecting your desired basic configuration is typically developed in a few hours, depending on the complexity of your project. The first $400 of our architects' and designers' time is free. Then the hourly planning rate of $80 applies when a design agreement is signed .
Once the preliminary plans are finished, we send you a copy and a cost estimate for the concrete basic structure of your project. If you find that you want some changes made, you simply mark up one copy and return to us for corrections. After 4 hours a time contract is agreed upon to proceed on your Custom Project.
Once you have signed off on your custom plan, we can complete your set of architectural plans and construction documents for permit submissions and construction. An estimate for this planning and engineering cost is provided. A typical fee is 5% to 10% of your construction costs. Starts at $9500.00... depending on the size and complexity of your structure and design. When your scope of work is clearly defined your planning costs can be estimated for you depending on your engineering and permitting support required.
Outside architect fees typically start at about $150+ hourly. Yet, because our structures are pre-engineered and have tested engineering calculations, in most locations you save this additional cost of at least $50,000 to $150,000. Some states and counties require additional engineering seals for building permits. We have engineers who seal our plans in most States for minimal fees, starting at only $10,000. Depends on the size, complexity and soil conditions of your site.
It typically takes years of experience to build a quality earth sheltered and underground building that will give you the best energy efficiency, waterproofing and all of the other amenities that you should receive. We do not recommend considering builder's not experienced with underground and green roof construction because when all waterproofing and structural issues are not addressed, it can be very expensive and often fails.
If you are thinking about building your wine/ cheese/ man cave, home, grow warehouse or other concrete building in the near future, it will pay you to talk to us first. Our system usually costs the same as conventional new wood or steel construction in your location and saves 50% to 70% on utility bills while increasing security and fire protection.
These published construction costs are based on a prepared building site including excavation, electrical hookups, water on site, and crushed stone to place around your footings. We can specify how to do this and coordinate with your local construction support.
The basic concrete square rooms with domed ceilings are arranged in a variety of configurations customized to your plan. These sizes are 24'x24' and 28'x28' requiring no structural columns within the space. Flat Ceilings are also an option in a variety of sized and heights.
Because the choices are so varied for insulation, waterproofing, drainage and back fill these prices are not included on this published list. After your plan is completed and material choices are selected these costs are estimated and added to your cost. Often local tradesmen complete these parts of the work with our guidance or you can DIY.
Once your custom plans are complete and your site is surveyed you can receive an itemized list of your costs. Our design, engineering and planning services are offered at a rate of $80 hourly. We will also coordinate with your personal architect if preferred. We can assist with getting your permits, design reviews, and financing submittals as required.
Average Basic Shell Square Foot Price is $62 - $155
Interior Finishes Average $100 - $200+ and are typically provided by your local installers and contractors (depends on your finish and site choices. DIY saves more)
Concrete Shell and Waterproofing :
24'x24' interior, (600 SF with exterior)
28'x28' interior, (900 SF with exterior)
Basic Shell $40,800 - $58,500
Footings $5000 - $20,800 per unit
Frost Footings not included unless arranged in advance and priced separately
Overhangs $4000 to $37,900 based on size
Parapet Walls $30 SF averages $3000- $15,000
Smoothing concrete interior with plaster is priced separately.
Custom Sizes priced separately
Wall Height Extensions - 20" - $7000 & 36" - $9900 + Custom Taller sizes 3 to 8 ft increments
Skylights - many sizes , range: $6000 to $38,000
Blocked out Door & Window Openings $280 to $880 e.
Retaining Walls: $30- $40 PSF
Electrical & Utility Blockouts: $40- $300 e.
Waterproofing Costs ranges from $1 to $10 SF and is estimated from your custom plan. Includes a pond liner membrane cover + can include an additional concrete additive for extra protection for additional fees. Your cost choices are provided once your plan is completed.
Travel Expenses $9 - $12 per mile from KC, MO Depends on how much equipment and crew size is required for you specific project.
Extra Charge $9500 for building only a single concrete shell and additional costs apply when over 8 ft walls and two story structures are poured.
Exterior insulation, stucco, stone, plumbing, electrical, HVAC, window/door/skylight installations, interior plaster, exterior finishes, etc. are provided by local installers and not included in our scope of work. When your custom plans are complete these costs are estimated.
NOTE: All published prices are for preliminary cost estimating only. Actual estimates for your custom project are provided when your custom plans are completed.
* All published prices are based on $100 per yard concrete cost, $650 per ton on steel and $80 hourly for pump truck fees. In some locations these costs are more. When local costs exceed these amounts, it is the responsibility of the person building their project to pay for these costs.
Any deviations in basic module and additions are priced separately at a labor rate of $55 per hour. Prices are based on Steel Rebar prices at $650 per ton. Additional costs may apply.
*Typically a 35% deposit of the proposed total basic construction holds your place on our traveling crews construction list with a scheduled construction date.
55% is paid as the crew pours your basic concrete structures. Payment for each pour section is due within 3 days of completion or as defined by agreed terms prior to construction.
10% due when basic structures are completed as defined by an agreed contract. Specific arrangements on deposits are made with you after estimates are made and accepted.
Usually it takes two weeks to set up and pour each 900 to 1100 square foot of space including all exterior walls with dome and/or flat ceilings, roof and all door and window openings. This is typically faster than traditional framing systems.
Then we can assist as your local contractor finishes your project to our plan specifications.
NOTE: Most custom projects vary on costs depending on how they are finished, site conditions and local codes, so we only provide specific estimates and arrangements after your custom plans are completed. NOW, Get started!