JSN Construction

JSN Construction A to Z Construction Services in Southern California, Design, Permits & Build

JSN Construction is a trusted Southern California construction company delivering residential and commercial projects from concept to completion. We handle planning, permits, and construction under one reliable team—focused on quality, clear communication, and lasting results.

Our Services
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Design

Our featured design partner, Jayzar Designs, creates custom residential and commercial construction designs, blending innovative architecture with your vision to support a seamless design, permit, and build process.

Permit

Every plan is created in full compliance with the California Building Code and structural requirements. We handle all construction permits, paperwork, and building permit submissions, so you don’t have to.

Build

JSN Construction delivers expert ground up construction, bringing your vision to life from foundation to finish. As a licensed California general contractor, we provide trusted residential construction services with the same care we’d give our own property.

Why Choose JSN Construction

Experience construction done right

JSN Construction is a licensed general contractor in California specializing in ground up construction custom home construction and complete residential construction services. We combine modern building technology with proven construction practices to deliver high quality results from concept to completion while keeping projects on time and within budget.

  • Time saving project management that keeps your project on schedule
  • High quality workmanship and premium materials
  • Professional and efficient construction services you can trust
More About Us
Our Services

What We Do

At JSN Construction, customer satisfaction comes first. We work closely with every client to understand their goals and deliver reliable residential and commercial construction services tailored to their needs.

ADU Construction

Expert ADU construction services in California designed to enhance property value and expand living space. Our skilled ADU builders handle everything from permits to construction, ensuring full compliance with local and state codes.
Service Details

ADU Plans & Permits

We provide comprehensive ADU plans, design, and permitting services, helping you navigate all California and local regulations. Our experts ensure full compliance, smooth approval, and save you time and stress on your accessory dwelling unit project.
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Home Remodeling

Upgrade your home with modern layouts, improved functionality, and high-quality finishes tailored to your lifestyle and budget.
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Room Additions

Expand your living space with seamless room additions that blend perfectly with your existing home structure and design.
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Garage Conversions

Turn your garage into a functional living space, office, or rental unit with expert planning, design, and construction.
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Commercial Construction

We deliver durable, code compliant commercial construction solutions designed for efficient business spaces.
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Tenant Improvements (TI)

Tenant improvement services that optimize commercial spaces for efficiency and compliance.
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Multi-Family Projects

Expert construction solutions for multi-family developments, delivering durable, well-planned living spaces built to modern standards.
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Light Industrial

Construction services for mixed use and light industrial projects, combining efficiency, durability, and smart space planning.
Service Details
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Recent Projects

What We Have Done

Our top priority is customer satisfaction, and we work closely with clients to understand their unique needs and goals.

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Testimonials

What Our Clients Say

Our top priority is customer satisfaction, and we work closely with clients to understand their unique needs and goals.

JSN Construction exceeded our expectations. Their team delivered our project on time, with exceptional quality and attention to detail. Truly a reliable partner for any construction needs.
John AndersonDirector, Streich PLC
John Anderson
From design to completion, JSN Construction handled everything seamlessly. Their professionalism, communication, and craftsmanship made the entire process stress-free.
Emily RobertsProperty Manager, Westlake Apartments
Emily Roberts
Working with JSN Construction was a fantastic experience. They transformed our vision into reality with precision, efficiency, and a focus on quality. Highly recommended.
Michael ThompsonFounder, Thompson Enterprises
Michael Thompson