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14 Years
experience
Your Trusted Partner for Home Additions in Los Angeles
At TCWRC Addition Contractors, we specialize in transforming homes across Los Angeles and California with expert home and room addition services. With over a decade of experience in home remodeling, ADU construction, and new home builds, our licensed and insured team delivers high-quality craftsmanship tailored to each client's needs. We focus on expanding living spaces through bathroom additions, kitchen expansions, sunroom installations, and garage conversions while prioritizing budget-friendly solutions and timely project completion.

Our full-service approach covers design, permitting, and construction, ensuring seamless integration with existing structures. We serve communities across Los Angeles County, offering personalized consultations and free estimates to help homeowners maximize their property's value and functionality.
Services
ADU Contractors Bathroom Addition Sunrooms Addition Kitchen Addition Garage Addition
Details
  • Year established: 2012
Highlights and features
  • We offer over 10 years of experience in Los Angeles home additions
  • Our team includes licensed and insured ADU construction specialists
  • We guarantee transparent pricing with no hidden fees
  • We provide full-service project management from design to completion
  • We ensure compliance with California SB9 ADU regulations
What people say
Expert craftsmanship Timely completion Professional team Transparent pricing Creative solutions
Services
ADU Construction
Custom Accessory Dwelling Units built to California SB9 standards. Our ADU services include design consultation, permit acquisition, and full construction. Units range from budget-friendly junior ADUs to luxury custom builds with modern finishes. Projects typically complete in 4-6 months with compliance guaranteed.
Bathroom Addition
Complete bathroom installations with plumbing, electrical, and finishing. We create functional spaces with modern fixtures, custom vanities, and water-efficient solutions. Projects include full bathrooms, half-baths, and spa-inspired master baths. Average completion time 4-8 weeks with permit handling included.
Sunroom Addition
Energy-efficient sunroom installations with double-glazed windows and insulated walls. Available in three-season or four-season designs with customizable layouts. Includes foundation work, framing, and premium finishes. Typical timeline 4-8 weeks with full permitting support.
Kitchen Addition
Kitchen space expansion with custom cabinetry, premium countertops, and modern layouts. Services include design consultation, structural modifications, and appliance integration. Projects focus on workflow optimization and value enhancement with average completion in 6-12 weeks.
Garage Conversion
Transform existing garages into living spaces with insulation, ventilation, and structural upgrades. Options include guest suites, home offices, or rental units. Full compliance with building codes and permit processing included. Average project duration 3-5 months.
Questions
What types of home additions do you specialize in?
We specialize in ADUs, bathroom additions, kitchen expansions, sunroom installations, and garage conversions across Los Angeles.
Do you handle permit acquisition for home additions?
Yes, we manage all permitting processes and ensure compliance with local building codes and SB9 regulations.
How long do ADU projects typically take?
ADU construction typically takes 4-6 months depending on size and complexity of the unit.
Can you renovate existing bathrooms?
Yes, we offer full bathroom renovations including fixtures, plumbing, and custom design upgrades.
Do you offer financing options?
Yes, we provide flexible financing plans to make home addition projects more affordable for our clients.
Are your contractors licensed and insured?
Yes, our team consists of fully licensed, bonded, and insured professionals with extensive experience.