01
Engineering & Structural Plans
Every project starts with detailed engineering and structural planning. By coordinating the important details early, we help reduce delays, revisions, and unexpected issues during construction.
Meridian Building Co Inc Reliable Construction Company in Los Angeles
Home Additions ADU Construction Home Remodeling Custom Homes
+1 (213) 521-0496
Meridian Building Co Inc Reliable Construction Company in Los Angeles
Home Additions ADU Construction Home Remodeling Custom Homes
+1 (213) 521-0496 
LOS ANGELES HOME ADDITIONS
Four Season Rooms From $550 Sq/Ft. Completed within 6 Months
Sunrooms, glass rooms, and year-round living spaces. Includes planning, engineering, permits, and construction.
Book a Free Call Permit-aware planning process
Engineering coordination
Clear roadmap before construction
LOS ANGELES FOUR SEASON ROOMS
Four Season Rooms From $550 Sq/Ft
Year-round sunrooms, glass rooms, and living spaces. Planning, permits, engineering, and construction included.
Book a Free Call From $550 Sq/Ft Up to 6 Months Permit-Aware Process
FOUR SEASON ROOMS
What’s Included
02
Design & Space Planning
A four season room should be comfortable all year long. We plan layout, glazing, insulation, and room configuration to help create a space that works in both summer and winter.
03
Permits & City Approvals
Our team understands local building requirements and permitting processes. We prepare documentation and respond quickly to city comments before construction begins.
FOUR SEASON ROOMS
What’s Included
01
Engineering & Structural Plans
Detailed engineering and structural planning help reduce delays, revisions, and unexpected issues before construction starts.
02
Design & Space Planning
We plan layout, glazing, insulation, and room configuration for a comfortable year-round living space.
03
Permits & City Approvals
We prepare documentation, coordinate the process, and respond to city comments before construction begins.
PROJECT ROADMAP
How Your Home Addition Moves From Idea To Build
A clear route helps you understand what happens next, where city approvals fit in, and how the project moves toward construction.
Initial Consultation
We discuss your goals, property, timeline, and rough project scope.
Site Evaluation
We review the existing home, structure, access, and possible constraints.
Planning & Engineering
Layouts, engineering coordination, and city-aware planning are prepared early.
City Submission
Plans are submitted, with corrections or clarifications handled as needed.
Construction Phase
We build according to the approved plan and agreed project roadmap.
Final Walkthrough
The completed addition is reviewed before the project is closed out.
VISIT OUR OFFICE
We’d Be Happy To Welcome You At Our Office
Meet the Meridian team in person, discuss your home addition project, and get a clearer understanding of the next steps.
430½ La Cienega Blvd, Los Angeles, CA 90048
Contact us
SELECTED PROJECTS
Construction Experience Across Different Project Types
Mansion, Astana
Large-scale residential construction project completed with attention to planning, execution, and architectural detail.
University Building, Astana
Institutional construction project requiring coordination across multiple disciplines and stakeholders.
Preschool, Los Angeles
Educational facility project demonstrating local construction experience and project coordination.
ABOUT MERIDIAN BUILDING
Start Working With Us
A Los Angeles Construction Company Focused On Planning, Coordination & Reliable Execution
Meridian Building works on residential additions, renovations, and construction projects across Los Angeles with a strong focus on preparation, permitting, and project clarity before construction begins.
15+ years of construction and project experience
120+ completed residential and commercial projects
Licensed, bonded, and insured construction team
Permit-aware planning and city coordination
15+ Years Experience
120+ Completed Projects
LA Local Construction Team
Get a Free Consultation
Tell us about your project and we'll help you understand the next steps.
It's totally free
