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
Building code compliance for residential projects
Construction budgeting and cost control services
JSN Construction | A to Z Construction Services in Southern California
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

Plans & Permits

We provide complete plans and permit services, handling design and approvals while ensuring compliance with California regulations. Our experts streamline the permitting process to save time and reduce delays for your accessory dwelling unit.
Service Details

Home Remodeling

Upgrade your home with expert remodeling services. Our team delivers modern layouts, functional designs, and high-quality finishes tailored to your lifestyle and budget. From kitchen remodels to full home renovations, we ensure a seamless, experience.
Service Details

Room Additions

Expand your living space with expert room additions. Our contractors specialize in seamless home expansions, sunroom additions, and custom designs that blend perfectly with your home. Get professional room addition services near you.
Service Details

Garage Conversions

Transform your garage into a functional living space, home office, or rental unit with expert garage conversion services. Our contractors handle design, planning, and construction to enhance your home’s value and usability.
Service Details

Commercial Construction

Create durable, efficient, and code-compliant commercial spaces with our expert construction services. We handle planning, design, and construction to deliver reliable, high-quality solutions tailored to your business needs.
Service Details

Tenant Improvements (TI)

Optimize your commercial space with professional tenant improvement services. Our expert contractors handle office, retail, and commercial tenant improvements, from planning and design to construction and completion. Get reliable tenant improvement services near you today.
Service Details

Multi-Family Projects

Build modern, durable living spaces with our expert multi-family construction services. From planning to completion, we deliver well-designed, code-compliant residential projects tailored to your development needs. Get professional multi-family construction services near you today.
Service Details

Bathroom Remodelling

Transform your bathroom with our professional remodeling services. From modern designs and high-quality fixtures to efficient renovations, we create stylish, functional, and durable spaces tailored to your home. Enhance comfort, usability, and property value with expert bathroom remodeling.
Service Details
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Recent Projects

What We Have Done

We prioritize customer satisfaction by working closely with clients to understand their unique needs and goals.

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Testimonials

What Our Clients Say

We prioritize client satisfaction by delivering personalized solutions that meet your unique needs and goals. Hear from our happy clients about their experiences with our professional services.

Jon and his team came through with an amazing remodel of our kitchen. I was on the hunt for a contractor to assist with the remodel. JSN provided a quick, reasonable bid and delivered within the timeline he provided. 10/10 recommend!
Matt Santa Clarita, CA
Matt
Jonathan helped me throughout the entire process of remodeling my house and converting my garage into a 2 bedroom/2 bathroom ADU. From submitting plans to the city, to meeting with inspectors, to having subcontractors work together in a timely and organized manner, everything was smooth. I highly recommend JSN Construction because of the constant communication and professionalism that I experienced. Last picture is the "before" exterior.
Victor North Hollywood, Los Angeles, CA
Victor
JSN Construction built my new 775 sq ft ADU on time and in budget. Jonathan and his team were professional, honest, knowledgeable and communicated throughout the entire project. If you are looking for a contractor to construct your project, I recommend JSN Construction.
LoriLos Angeles, CA
Lori
JSN construction .is a professional I recommended 100% this Company do it a good job he made it ADU on my house and I'm 100% satisfaction thank you very much. JNS CONSTRUCTION
JoseSan Francisco, CA
Jose
Thank you to Jon and team for completing my kitchen and living room remodeling. Communication is very important to me and he was able to meet all the timelines he had given us. We lived in the house during remodel and his crew were consistently working and cleaning after themselves everyday. We are already discussing doing my bathrooms next, happy to have found a trustable construction team that delivers on what they promise.
IbrahimSan Francisco, CA
Ibrahim
ADU project in Northridge: we wanted to hire a professional to do our garage conversion to an ADU. We were lucky to have found Jon since he and his team executed very well this project from the start until a certificate of occupancy was issued. Jon was very diligent in coordinating his crew, executing and mitigating any issues that arised to make sure the unit conforms to the regulations established by the city of Los Angeles. Highly recommended for professionalism, workmanship, and honesty.
Ron North Hills, San Fernando Valley, CA
Ron

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