Commercial Additions
Expand your building without the cost and disruption of relocation. Engineered additions that integrate seamlessly with your existing structure.
Grow Your Space, Not Your Headaches
A commercial building addition is one of the most cost-effective ways to expand your usable square footage — when it's done right. El-Lay manages the full scope: structural tie-in engineering, foundation work, framing, roofing integration, MEP extensions, and interior finishes, all while keeping your existing operations running with minimal disruption.
- Structural engineering coordination for all tie-in connections and foundation extensions
- Roofing system integrated to match or upgrade the existing building envelope
- All MEP systems extended and permitted — no exposed conduit or improvised connections
- Phased construction to keep your existing facility operational throughout
B
License
Wood, Steel, CMU
Structure Type
Minimal
Disruption Level
Seamless Integration, Not a Visible Joint
The hallmark of a quality addition is the absence of any visible seam between old and new. Our crews match existing finishes, align structural systems, and ensure mechanical, electrical, and plumbing systems are extended cleanly into the new space.
El-Lay Construction
Pasadena, CA · CSLB Licensed · Bonded & Insured
Addition Types We Build
Horizontal Floor Area Additions
Single and multi-story horizontal expansions attached to your existing building — matched facade, aligned floor plates, and fully integrated structural systems.
Vertical Story Additions
Adding one or more stories to an existing building requires careful structural analysis of existing foundations and columns. We coordinate this engineering and manage full execution.
Warehouse & Industrial Expansion
Steel-framed clear-span additions for warehouses, manufacturing, and industrial facilities — fast, cost-effective, and engineered for heavy load and seismic compliance.
Office & Retail Additions
Commercial tenant improvement additions — new conference rooms, expanded retail floors, additional office wings — delivered with the same finish quality as new construction.
Ready to Expand Your Building?
Free project consultation and budget estimate. Serving Pasadena and all of LA County.
Get In Touch
Phone
(323) 505-8782Service Area
Pasadena · Los Angeles · LA County
Response Time
Consultations available Mon–Sat
★ CSLB Licensed · Bonded & Insured · Est. 2004