MTZ Cruztruction
Home Additions Contractor in Los Angeles & Orange County

Expand Your Space Without Moving
Is your home starting to feel too small? Whether you're accommodating a growing family, adding a home office, or just want more room to live and relax,
MTZ Cruztruction General Contractors is here to help with high-quality, code-compliant
home additions.
With over 20 years of experience as a licensed and insured contractor, we specialize in residential additions for homes across Los Angeles County and Orange County — built to blend seamlessly with your existing structure and enhance the value of your property.
Why Invest in a Home Addition?
Home additions offer one of the highest returns on investment in residential remodeling. More importantly, they give you the space you need without the stress and cost of moving.
Benefits of adding on to your home:
Extra living space
without changing neighborhoods
Increased home value
for resale or equity
Customized layout
to match your family’s lifestyle
Multi-purpose options:
bedrooms, offices, gyms, guest suites, and more
Stay in the home you love
and avoid the cost of upgrading elsewhere
We make sure your new space is designed to match your home’s architecture, flow, and finish — inside and out.
Our Home Addition Services
We provide complete design-build services for all types of additions, including:
- Room Additions – Extra bedrooms, family rooms, sunrooms, or dens
- Second-Story Additions – Build up instead of out for additional square footage
- Garage Conversions – Turn your garage into a living space or ADU
- Master Suite Additions – Create a luxurious private retreat
- In-Law Suites / ADUs – Fully functional units with separate entrances
- Kitchen or Dining Room Expansions – Open up your layout with more room to cook and gather
- Bathroom Additions – Add convenience with a second or third bathroom
We handle everything from initial design concepts to permitting, construction, and final inspection.
Why Choose MTZ Cruztruction for Your Room Addition
Choosing the right contractor is critical for a successful addition. Here’s why Southern California homeowners trust us:
- Licensed & Insured – We meet all California building codes and carry full coverage
- 20+ Years of Experience – Our expertise ensures smoother builds and fewer surprises
- Seamless Design Matching – We make the addition feel like it’s always been part of your home
- Complete Project Management – From zoning checks to final paint touch-ups, we handle it all
- Military & Senior Discounts – Supporting our community with cost-conscious options
- Flexible Scheduling – Including weekend appointments upon request
- Transparent Pricing – Detailed written estimates and no hidden costs
From small bump-outs to large-scale expansions, we tailor every project to your goals, budget, and timeline.
Our Home Addition Process
We’ve refined our process to make adding onto your home as stress-free and efficient as possible:
Consultation & Site Review
We meet at your property to assess feasibility, zoning, and structure. We’ll learn about your goals, take measurements, and answer your questions.
Design & Planning
We assist with layout, square footage, finishes, and permit-ready drawings. If needed, we coordinate with architects and engineers.
Estimate & Timeline
You receive a clear, detailed proposal outlining all costs, steps, and project duration.
Permitting & Approvals
We handle all required city permits, HOA approvals, and inspections.
Construction
Our licensed crew handles excavation (if needed), framing, roofing, insulation, drywall, electrical, plumbing, and finishes.
Final Walkthrough
We conduct a full quality check with you and make sure you're completely satisfied before closing out the project.
Design Matters — and We Get It Right
One of the biggest concerns with a home addition is whether it will match the rest of the house. We focus on continuity and design integrity:
- Matching roofing and siding
- Blending flooring, paint, trim, and finishes
- Aligning ceiling heights, window styles, and doorways
- Coordinating HVAC and utility integration
This is paragraph text. ClickOur goal is to deliver an addition that looks and feels like part of the original home — not a disconnected add-on. it or hit the Manage Text button to change the font, color, size, format, and more. To set up site-wide paragraph and title styles, go to Site Theme.
Frequently Asked Questions (FAQ)
Do I need a permit for a home addition?
Yes — nearly all room additions require permits and inspections. We handle all permitting, zoning compliance, and engineering requirements for your city or county.
How long does a home addition take?
Project timelines vary based on size and complexity, but most additions take 6–12 weeks from start to finish. We’ll give you a detailed schedule during the planning phase.
Can I live in my home during construction?
In most cases, yes. We’ll do our best to keep the work contained and minimize disruption to your daily life.
How much does a room addition cost?
Costs vary based on square footage, materials, and type of addition. We provide a detailed, customized estimate after your on-site consultation.
Can you convert my garage into a bedroom or ADU?
Yes. Garage conversions are one of our specialties. We ensure they meet all local codes and can help with ADU compliance if it will be used as a rental or separate unit.
Service Areas
We provide fencing installation and repairs throughout:
Los Angeles County
Orange Country
Long Beach
Anaheim
Whittier
Downey
Norwalk
Fullerton and nearby communities
Let’s Expand Your Home the Right Way
If you’re ready to add space and value to your home,
MTZ Cruztruction General Contractors is ready to deliver high-quality results — from concept to completion.
Call us today at
(562) 619-0793 or email
mtzcruztruction@gmail.com to schedule your free consultation.
Let’s build the extra space your family needs — without leaving the home you love.




