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You deserve more than just a builder; you need an integrated team that controls risk, masters regulation, and guarantees execution. At JMJ Custom Builds, our construction division is not separate from our strategy—it’s the final, authoritative step.
We eliminate the costly friction common in projects by bridging the gap between design and the job site. Led by a licensed General Contractor with deep trade expertise and supported by our in-house regulatory and design specialist, we ensure your project is successful from concept through completion.
Our Promise: Seamless Execution.
Trade Mastery: We apply seasoned trade expertise and critical path methodology to foresee field conflicts and ensure your project stays on schedule and budget.
Integrated Compliance: Every nail and board is backed by the regulatory knowledge derived from our expert advisory practice.
Quality Beyond Code: We build to the highest standard of care, ensuring structural integrity and longevity, whether it’s a custom home, a complex remodel, or an advanced natural building system.If it requires expertise in execution, compliance, and trade knowledge, we build it right.
At our core we are a building company. This is where it all started.
Executable Construction on the Critical Path. Our projects succeed because they are built upon the foundation of experience. We don't just follow plans—we foresee conflicts, ensure trades overlap, and apply critical path methodology to eliminate delays. The difference we offer compared to an owner builder is that anyone gets better at something if they do it 100's of times.
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There are a lot of companies out there that specialize in a single aspect of what we do but none that compare to the service we offer which is ease of mind in knowing your home will be respected and put back together right. If it's broken or needs updating we will bring it back to life whether that means making the property market ready or simply more enjoyable to live in.
From dream to completion our services include design, and building for any custom project you may have. We love outdoor living projects like BBQ Islands, Decks, and Patio Covers.
JMJ Construction has recently become an exclusive dealer of Capital Steel. We can now provide a total cost comparison for a metal building vs traditional building types. We design, permit, and install your customized metal building so there is no running around or hassle to figure out and it comes with a 50yr warranty to top it off
Sometimes all you need is a little extra space. Nonetheless do not be fooled by any handyman or small time contractor - a room addition is not something to be taken lightly you will need a full set of plans and permit with structural calcs to be successful. your in luck as we provide a turn key service from start to finish to turn you vision and needs into a reality.
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JMJ Construction has recently become an exclusive dealer of Capital Steel. We can now provide a total cost comparison for a metal building vs traditional building types. We design, permit, and install your customized metal building so there is no running around or hassle to figure out and it comes with a 50yr warranty to top it off
Tiny homes are no longer just backyard trailers; they are crucial components of modern density and infill development (often utilizing streamlined accessory dwelling unit/ADU pathways). We specialize in permanent foundation, code-compliant Tiny Homes, guiding clients through the crucial steps of design, utility connection, and securing the necessary permits.
This hybrid approach often confuses the permitting process, requiring specialists who understand both the IBC/IRC requirements for living spaces and the structural demands of agricultural or industrial-style shells. We provide the integrated design and construction management to ensure seamless project delivery, maximizing open-concept living space while securing all necessary zoning and building permits efficiently.
The Regulatory Bridge: These alternative practices were often considered merely a dream in the past. Today, municipalities like San Diego County are approving them, provided the builder can meet the rigorous requirements to prove structural integrity and energy performance. Not all contractors can provide these services because they lack the specific engineering and regulatory coordination required. We are the specialist firm that knows how to navigate the complex path to permit approval.
Once relegated to experimental building, Cob and Haybale structures are now viable, code-compliant options for sustainable living, particularly in forward-thinking regions like San Diego County, which supports Green Building Certificates. We navigate solutions for specific permit requirements needed to demonstrate the seismic and load-bearing capacity of these materials, delivering natural, highly insulated, fire-resistant, and breathable structures.
AirCrete (Autoclaved Aerated Concrete or similar cellular concrete systems) represents the future of durable, energy-efficient, and unique construction. Dome structures, while offering superior strength and massive energy savings, require engineering expertise far beyond a traditional build. The barrier to entry for most contractors is the lack of knowledge in monolithic casting, structural design, and proving the material's load calculations to skeptical municipalities
Earthbag construction, often referred to as Superadobe, utilizes stacked polypropylene bags filled with local earth, tamped, and reinforced with barbed wire for exceptional tensile strength. This method delivers highly resilient, insulative, and low-cost structures that are naturally resistant to fire, termites, and seismic activity. The challenge for general contractors lies in demonstrating the system's compliance with modern load-bearing and stability codes.
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