Room Additions in Los Angeles – Expand Without Moving
JMS Developers Inc. makes room additions simple, transparent, and aligned with your vision. We oversee design, permits, and construction so your new space blends seamlessly with the rest of your home. Choosing us means adding space without the stress.
Adding a room gives you more freedom—whether it’s a bedroom, office, or family room. Room additions boost comfort, functionality, and property value. JMS Developers Inc. ensures your addition feels natural, sturdy, and built to last.
Engineering
Permit Handling
Integrated Finishes
Why Choose Us for Addition Types
Primary Suite
Bedroom, ensuite bath, and closets.
Family / Living
Great rooms, sunrooms, and expanded dining.
Home Office / Studio
Quiet, functional spaces for work or art.
Our 5‑Step Room Addition Process
Feasibility
Setbacks, utilities, structural tie‑ins.
Design & Engineering
Plans stamped for permit.
Permits
City approvals managed end‑to‑end.
Build
Foundation to finishes with QA.
Final Walkthrough
Complete and move‑in ready.
Before & After Gallery
A glimpse of recent Room Addition by JMS Developers Inc.
What Clients Say
Inspired by This Project?
Tell us about your goals, timeline, and style. We’ll provide a clear plan and estimate.
JMS DEVELOPERS, INC. is dedicated to providing premier customer service to homeowners. We offer a wide range designs to meet your project needs and ensure durable and cost effective workmanship.
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