Home Additions & Expansions in New Orleans & St. Tammany Parish
When your home no longer fits your needs, moving isn’t your only option. Dolan Construction provides professional home addition and expansion services throughout New Orleans, St. Tammany Parish, Mandeville, Covington, Slidell, Metairie, and surrounding South Louisiana communities.
Whether you need additional living space, a second story, or a seamless extension to your existing layout, our team delivers structurally sound, well-integrated additions built to last.

Home Additions & Expansions
Types of Home Additions We Provide
-
Primary bedroom suite additions
-
Guest room and in-law suite additions
-
Second-story additions
-
Garage conversions
-
Bonus rooms and office spaces
-
Mudrooms and laundry room expansions
-
Extended living rooms and open-concept conversions
Expand Your Home Without Compromising Quality
Why Homeowners Trust Dolan Construction
A successful home addition should feel like it was always part of the original structure. At Dolan Construction, we focus on seamless transitions — matching rooflines, exterior finishes, structural framing, and interior details to ensure your addition blends naturally with your existing home.
We carefully evaluate your current structure, foundation, and load-bearing components before beginning construction to ensure long-term durability and compliance with Louisiana building codes.

Our Process
1. On-Site Consultation
We evaluate your property, discuss your goals, and assess structural considerations.
2. Planning & Scope Development
We outline the project scope, timeline, and budget to ensure clarity from the beginning.
3. Permitting & Preparation
Our team coordinates required permits and prepares the site for construction.
4. Construction & Integration
We manage framing, roofing, interior finishes, and exterior matching to ensure a cohesive final result.
5. Final Walkthrough
We complete a detailed inspection and ensure every aspect meets our standards and your expectations.















