CA CONTRACTOR LICENSE

#926469 CLASS B
- GENERAL BUILDING CONTRACTOR

Licensed. Certified. Fully Qualified.

C-61 • B-General Building
• OSHA • AWS • EPA

30 Years Building What Matters.

Your Home. Your Business. Your Future.
Who We Are

A Builder You Can Count On. A Team That Proves It Every Day.

TR Constructions LLC was founded by Trent Rowser, a Licensed General Contractor with over 30 years of hands-on construction experience across Southern California and beyond.
Over three decades, TR Constructions LLC has delivered projects that range from custom homes and ADUs to large-scale commercial builds for names like Google, Walmart, and Simon Premium Outlets. From custom homes and fire rebuilds in Altadena to large-scale commercial projects, we bring every trade under one roof so your project stays on time, on budget, and built to last.
30+
Years of Proven Experience

Bonded. Insured. Delivering on time, on budget, every time.

Hands-On Builder. Proven Leader. 30+ years of building what matters. Homes. Communities. Trust.

Past Clients

Why Choose TR Constructions

Your Trusted Partner in Construction Excellence

Rebuilding Altadena. One Family at a Time.

We are actively rebuilding homes for families impacted by the Eaton Fire. We manage every phase from design and permitting through construction so you can return home.

Built From the Ground Up. Literally.

Trent started as a steel worker in the 1990s. 30 Years later, he still walks every job site and knows every phase of construction firsthand.

25+ Certifications. No Cutting Corners.

OSHA trained, NAVFAC recognized, EPA certified, fully licensed and insured. We take safety and compliance seriously on every job site.

Full-Service Construction Under One Roof

Permitting, design-build, project management, and in-house trades. You get one team, one point of contact, and one standard of quality.

Our Word Is Our Bond

Honest budgets. Real timelines. A contractor who returns your call. TR Constructions LLC was built on trust and we plan to keep it that way.

Completed Projects
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Licenses and Certifications
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Years of Construction Leadership
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Premium Services

Advanced Manufacturing Services For Modern Industrial Operations

Residential Construction

Custom homes, ADUs, additions, renovations, and full rebuilds. Whether you are building your dream home or restoring one you lost, we deliver quality craftsmanship and a process you can trust.

Residential Construction

Commercial Construction

Office buildings, retail spaces, restaurants, and tenant improvements. We work with developers, investors, and business owners to deliver projects on time and on budget.

Commercial Construction

Fire Rebuilds and Restoration

Helping families rebuild after disaster. We manage every phase from environmental clearance and permitting through fire-resistant construction and final occupancy.

Fire Rebuilds and
Restoration

Ground-Up Development

New construction from site prep through certificate of occupancy. Residential, commercial, multi-family, and mixed-use. We manage the full build from dirt to done.

Ground-Up Development

Prefabricated and Modular Construction

Licensed in prefabricated equipment with hands-on experience in modular design and assembly. Faster timelines, less waste, and the same quality standards as conventional builds.

Prefabricated and
Modular Construction

ADUs and Additions

Garage conversions, detached units, and home additions built to current California ADU regulations. We handle design, permitting, and construction so the process is simple from start to finish.

ADUs and Additions

Premium Services

Advanced Manufacturing Services For Modern Industrial Operations

Residential Construction

Custom homes, ADUs, additions, renovations, and full rebuilds. Whether you are building your dream home or restoring one you lost, we deliver quality craftsmanship and a process you can trust.

Commercial Construction

Office buildings, retail spaces, restaurants, and tenant improvements. We work with developers, investors, and business owners to deliver projects on time and on budget.

Fire Rebuilds and Restoration

Helping families rebuild after disaster. We manage every phase from environmental clearance and permitting through fire-resistant construction and final occupancy.

Ground-Up Development

New construction from site prep through certificate of occupancy. Residential, commercial, multi-family, and mixed-use. We manage the full build from dirt to done.

Prefabricated and Modular Construction

Licensed in prefabricated equipment with hands-on experience in modular design and assembly. Faster timelines, less waste, and the same quality standards as conventional builds.

ADUs and Additions

Garage conversions, detached units, and home additions built to current California ADU regulations. We handle design, permitting, and construction so the process is simple from start to finish.

In-House Capabilities

an aerial view of a factory next to a body of water
Architectural planning, engineering, project management, and skilled trades handled internally to ensure quality control, efficiency, and seamless communication.
Featured Projects

Delivering Excellence in Every Build

Residential Project

Multi-Family Rebuild

2544 El Molino Ave, Altadena, CA

BROUGHT TO YOU BY:
TR Constructions LLC

Residential Project

Home Rebuild

340 Vinehill Dr., Altadena, CA

BROUGHT TO YOU BY:
TR Constructions LLC

Residential Project

Fair Oaks Residence

3255 N. Fair Oaks Ave, Altadena, CA 91001

BROUGHT TO YOU BY:
TR Constructions LLC

Testimonial

Customer Experiences That Inspire Confidence

Building Excellence Through Proven Construction Expertise

Delivering innovative, high-quality Residential, Commercial, and Industrial projects with precision, safety, and long-term performance at the core of every build.
Common Questions

Construction Services Frequently Asked Questions And Answers

We specialize in Residential, Commercial, Industrial, Prefabricated homes, Special Projects, and Renovations.

Yes, TR Constructions LLC is fully licensed, bonded, and committed to meeting all regulatory requirements.

Yes, we provide free initial consultations to understand your project scope and goals.

Timelines vary depending on size and complexity, but we always provide clear schedules before starting.

Simply contact us to schedule a consultation and discuss your project needs.

Absolutely. We provide transparent estimates and value-engineered solutions to match your budget.

Yes, we provide design-build and full project management services.

Yes, safety is our priority and we strictly follow OSHA standards and safety regulations.

Yes, we handle both small upgrades and large-scale developments.

Special Projects include unique or custom construction work that may not fall under standard residential or commercial categories. This can include structural modifications, specialized installations, custom builds, or projects that require unique planning and technical expertise. TR Constructions LLC manages these projects with the same commitment to safety, quality, and precision as all of our construction services.