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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.

House Construction Site

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.

Construction Workers Building

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.

Home Renovation

Serving South Louisiana

Serving Mandeville, Covington, Slidell, Hammond, New Orleans, and surrounding areas.

Construction Site Scene
Quality work from a trustworthy and reliable team over there at DC. Their knowledge and experience in the industry made the decision easy to go with them. Stephen is a stand up guy and kept me informed on their progress and plans throughout the entire project.
10/10 would recommend.
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FREQUENTLY ASKED QUESTIONS

What types of residential projects do you handle?
We complete home remodels, renovations, additions, roofing, and custom residential construction projects.

Contact Dolan

Serving South Louisiana

Northshore & Southshore

504-377-7909

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