Superior Room Addition in Costa Mesa
Local Room Addition specialists in Costa Mesa delivering transparent pricing, permit assistance, and craftsmanship-focused results.
Cost ranges below are for initial planning; a detailed, final quote is available after an on-site assessment.
Quick Facts
• Service area: Providing services in Costa Mesa and nearby areas
• What we do: Kitchen remodels, bathroom upgrades, ADU construction, room additions, flooring installation, electrical work, plumbing services, and new home builds
• Licensing: Licensed and insured contractors
• Promise: Transparent pricing, full permit support, and a thorough quality check
Why homeowners in Costa Mesa trust us
We treat your home with the same care as our own.
• Proven neighborhood experience that keeps projects running smoothly
• One dedicated point of contact from your first estimate to the final walkthrough
• Verified reviews plus before-and-after photo galleries
• Warranty-backed workmanship with a commitment to safety
What Services We Offer:
Kitchen Renovation
Bespoke kitchen remodeling featuring layout reconfigurations for open-concept flow and ergonomic work zones to elevate daily living with modern design and functionality.We incorporate statement backsplashes in geometric tile or natural stone for a modern, timeless look that enhance cooking and socializing.Our remodels combine durable craftsmanship with beautiful aesthetics.Cabinetry is made from sustainable hardwoods or premium plywood.Your countertops will stand up to daily use while enhancing kitchen style.Our designs encourage natural light flow, efficient appliance placement, and clutter-free surfaces.We install energy-efficient fixtures with customizable color temperature for perfect mood and utility.We ensure your kitchen features state-of-the-art technology paired with classic design.We manage permits and inspections to guarantee peace of mind.We’ve transformed homes with timeless designs, innovative layouts, and eco-friendly materials.
Bathroom Renovation
Accessible, modern, and water-smart bathroom renovations featuring innovative tiling patterns, sustainable plumbing installations, advanced ventilation, and task-focused lighting to blend luxury with everyday convenience.Our bathroom designs reflect the latest 2025 trends with minimalist styles with clean lines and uncluttered layouts.We tailor every bathroom remodel to your lifestyle and needs.From initial concept to final inspection, we oversee all steps.Tile work is selected for durability and style.Your bathroom will run smoothly with high-performance, eco-friendly plumbing.Ventilation systems improve air quality and protect your bathroom from moisture damage.Custom lighting enhances your bathroom’s beauty and usability.Our layouts ensure ease of use while maintaining elegance.Your bathroom will be a beautiful, functional, and fully compliant space.Our portfolio showcases diverse bathroom styles and sizes.
ADU and Garage Conversions
Approved accessory dwelling units and compliant garage remodels for flexible living.
Add livable square footage with design continuity to boost comfort and functionality.Each expansion is designed to flow naturally from your existing space.We take care of permits, inspections, and all construction phases.Every space is planned for comfort, efficiency, and style.From initial sketches to final walk-through, we deliver a smooth experience.Our builds are designed to stand the test of time.Room additions are a cost-effective way to avoid moving.Our builds often include insulation upgrades and smart systems.We meet or exceed local building standards.Local homeowners trust us for seamless and beautiful expansions.
Room Additions and Second Stories
Add livable square footage with design continuity to give your property more purpose and flexibility.Every project is designed to feel seamless and intentional.You can expect a stress-free experience with expert oversight.Structural integrity is a top priority in every addition.Your new space will feel cohesive inside and out.Functionality drives our design approach.Your new space will be comfortable year-round while saving energy.We incorporate windows, skylights, and open layouts.Compliance is built into our process from day one.We turn visions into functional, beautiful living spaces.
Flooring
Trend-forward cork, terrazzo revival, and matte-finish planks paired with seamless installation with advanced tools and techniques.
Materials chosen to match your aesthetic and daily needs.
Our engineered wood brings authentic look with better stability.
Oversized tiles and matte textures lead 2025 style trends.
Low-VOC finishes and recycled materials reduce environmental impact.
They’re ideal for active homes with kids or pets.
Proper prep extends flooring life and comfort.
Trends like warm wood tones and textured stone dominate in 2025.
Our workmanship is backed by clear, written guarantees.
From modern minimalism to classic luxury, we’ve done it all.
New Construction
OC Trust Remodeling delivers expert new construction services tailored to the unique needs of homeowners in Costa Mesa. Our team specializes in building custom homes that blend modern design with lasting quality. Our approach includes thorough planning and detailed oversight for a seamless build. Our knowledge of Costa Mesa zoning laws ensures your new build meets all requirements. Your dream home, be it modern or classic, is realized with expert craftsmanship. Green building materials and smart technologies are integrated to promote savings and comfort. Our comprehensive coordination covers permits, inspections, and contractor oversight. Choose us for a seamless building experience focused on excellence and client satisfaction. We stand out in Costa Mesa for fair pricing and outstanding construction quality. Create a lasting legacy with a custom home designed around your needs.
Electrical
Modern electrical panel enhancements and advanced circuit installationsare installed with attention to code compliance and future-proofing.
We inspect and replace outdated panels and wiring systems to prevent hazards.
Charging stations are installed with safety and convenience in mind.
Smart lighting controls add convenience and energy savings.
Our installations support voice commands and remote access.
Circuit additions provide the power needed for modern appliances and electronics.
We work within construction timelines to avoid delays.
Energy-saving solutions like LED upgrades and smart controls reduce utility costs.
Final inspections confirm code compliance and quality standards.
Our portfolio includes a wide range of residential electrical projects.
Plumbing
Fixture replacement, repipes, water heater upgrades, and leak remediation are coordinated with other trades to ensure seamless project flow.
We replace outdated fixtures with modern, water-saving models.
We use high-quality materials to ensure lasting performance.
We install tankless and energy-efficient models tailored to your needs.
Leak detection and remediation protect your home from water damage.
All plumbing work complies with local codes and safety regulations.
We help you make choices that save water and energy.
Clear communication keeps you informed every step.
Maintenance services keep your plumbing system running smoothly after the project.
Clients trust us for reliable, code-compliant, and efficient plumbing upgrades.
Typical Project Components
Every job is unique, but most projects include the following core steps:
- Discovery call and needs review
- Walkthrough to confirm scope and access
- Custom estimate with scope, allowances, and schedule
- Permit management and city liaison included
- Build with daily or weekly updates and a licensed crew
- Post-completion checklist and warranty activation
Some of Our Service Areas
Estimated Cost Breakdown (For Planning Purposes)
| Project Type | Typical Size | Typical Cost (Low) | Typical Cost (High) | Typical Timeline |
| Kitchen Remodel | Small to full | $20,000 | $60,000+ | 4 to 10 weeks |
| Bathroom Remodel | Half to full | $8,000 | $30,000+ | 2 to 6 weeks |
| Flooring Replacement | Per room or whole house | $6 per sq ft | $18+ per sq ft | 2 days to 3 weeks |
| ADU Build | Studio to 1 bedroom | $80,000 | $250,000+ | 12 to 30 weeks |
| Room Addition | Single room or second story | $50,000 | $200,000+ | 8 to 20 weeks |
| New Construction | Per sq ft basis | $200 per sq ft | $450+ per sq ft | Varies by scope |
Notes on Estimates
Estimates vary by finish level, structural needs, utility connections, and permit costs.
Final pricing is delivered in the written proposal with clear allowances and optional upgrades.
Smart Remodeling Guidance
Prioritize layout, then finishes.
• Choose finishes that balance longevity and cost
• Permit timelines and inspections affect schedules
• Phased remodels reduce disruption if you need to live in the home during work
Quick Quiz: Is Your Home Due for an Upgrade?:
Do repairs and fixes keep piling up?
Has your household outgrown the current setup?
Is your home lacking modern energy-saving features?
Do you imagine a fresh look every time you walk through your home?
If these questions struck a chord, our team can bring your vision to life.
Top Questions Answered:
Q: Which materials should I pick for my Room Addition project in Costa Mesa?
A: Choosing materials depends on budget, style, and durability. We guide you to balance quality and cost.
Q: How do permits affect my Room Addition work in Costa Mesa?
A: Most remodeling projects require permits; we handle all filings and ensure compliance.
Q: What should I expect during construction in Costa Mesa?
A: Most clients experience manageable noise and dust, with clear communication throughout.
Q: Do you offer guarantees on your Room Addition work?
A: You receive warranty coverage as part of our commitment to durable, trusted results.
Next Steps for Room Addition in Costa Mesa
Schedule a free site visit
Phone: (949) 599-4498
Website: www.octrustremodeling.com
We respond quickly and will send a transparent, itemized proposal after a site evaluation.
FAQ
What happens if something unexpected comes up during my Room Addition in Costa Mesa?
Unexpected problems are addressed transparently with no hidden fees.
Can I update my design after work begins in Costa Mesa?
Mid-project revisions are possible; we provide updated quotes and timelines.
How can I pay for my remodeling project in Costa Mesa?
Payment plans and flexible terms are available to fit your budget.
What steps do you take to maintain high standards in remodeling?
Continuous monitoring and final inspections guarantee lasting quality.
Do you use eco-friendly materials or methods in Costa Mesa?
We offer options to make your remodel more environmentally responsible.
OC Trust Remodeling provides licensed, insured Room Addition in Costa Mesa with a focus on clear pricing, permit compliance, and lasting results.|Your local partner for Room Addition in Costa Mesa.