ADU’s

ADU Construction in California

Smart Space. Solid Value. Built by Experts.

Accessory Dwelling Units (ADUs) are one of the smartest ways to expand your living space, generate passive income, or house loved ones—without buying a new property. At The Fireman Construction Inc, we specialize in designing and building ADUs that are fully code-compliant, beautifully crafted, and built to last.

Whether you’re adding a backyard cottage, converting a garage, or building a detached unit from the ground up, we guide you through the entire process from permits to final inspection.


What is an ADU?

An Accessory Dwelling Unit (ADU) is a secondary housing unit built on the same lot as an existing single-family or multi-family home. Common types of ADUs include:

  • Detached ADUs – Standalone backyard homes or cottages

  • Attached ADUs – Built as an extension to the main home

  • Garage Conversions – Transforming existing garages into livable space

  • Basement or Interior Conversions – Using existing square footage for a legal rental unit or guest suite


Why Build an ADU?

ADUs are an increasingly popular choice across California for good reason:

  • Passive Income – Rent it out for monthly cash flow

  • Multi-Generational Living – Create private space for family without sacrificing closeness

  • Increase Property Value – A well-designed ADU adds long-term resale value

  • Flexible Use – Home office, guest house, studio, or short-term rental

  • Permitting Ease – California has relaxed ADU laws to encourage affordable housing solutions


Our ADU Services

We offer turnkey ADU design and construction, including:

  • Site evaluation and planning

  • Architectural and structural design

  • Permit processing and city approvals

  • Ground-up construction

  • Garage conversions

  • Utility hookups and integration

  • Full interior build-out (kitchen, bath, HVAC, etc.)

  • Final inspection and code compliance

Every ADU we build is designed for comfort, functionality, and seamless integration with your main home or lot layout. We ensure every detail is handled with care—from foundation to finishes.

Trusted. Proven. Always Ready.

At The Fireman Construction Inc, we’re more than just builders—we’re first responders to your construction needs. Whether it’s an emergency repair in the middle of the night or a dream home brought to life from the ground up, we deliver 20+ years of expert craftsmanship, around-the-clock service, and a commitment to excellence you can count on.

24/7 Emercency services

 Based in Simi Valley and proudly serving all of California, we bring integrity, transparency, and passion to every nail, every beam, and every brick.

WHY CHOOSE US?

Your project deserves the best. Let The Fireman Construction Inc show you what true professionalism, speed, and quality look like.

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We understand that disasters don’t wait for business hours. That’s why we offer around-the-clock emergency construction services, ready when you need us the most.

Our deep industry knowledge means fewer surprises, smoother processes, and top-tier craftsmanship on every job. We’ve built it all—from custom homes and ADUs to full commercial structures.

 

Your peace of mind matters. We’re fully licensed (License #1107098) and carry proper insurance so you’re always protected.

 

 

No two projects are the same. We take time to understand your vision, goals, and budget, then tailor our approach for results that exceed expectations.

 

 

 

Based in Simi Valley, we proudly serve homeowners, investors, and businesses across the state of California with the same level of dedication and service.

 

 

 

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Send a Message

thefiremanconstruction@gmail.com

24/7 emergency

(661) 312-8323

License #1107098

Get in Touch with The Fireman Construction Inc

Let’s Build Something Together

Have a question, need a quote, or facing a construction emergency? We’re here to help—24/7. Whether you’re starting a new build, planning an ADU, remodeling your home, or need urgent assistance, our team is ready to respond with expertise, honesty, and care. Just fill out the form below and we’ll get back to you as soon as possible!