Home Additions in Jefferson, LA

Quillen Construction Group builds home additions throughout Jefferson. One of the Eastbank’s most established communities, Jefferson has mid-century homes occupied by long-term residents making meaningful investments in the properties they plan to keep.

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A two-story home addition in Jefferson LA is under construction, featuring exposed wooden framing, ladders, and sheet wood on the lower level. The yard contains construction materials and a blue tarp.

Jefferson Homeowners Are Staying and Expanding.

Jefferson is a densely settled Eastbank community where homeowners tend to stay long-term. When they need more space, a home addition is often the right answer — adding square footage permanently without giving up the location and community they’ve built. We build additions in Jefferson that integrate properly with the existing mid-century construction and finish to a standard that reflects the long-term investment these homeowners are making.

Our Process

We’ve refined our approach over hundreds of projects to make our services as straightforward as possible. Here’s what you can expect when you work with us.

Seven people stand side by side in front of a Quillen Construction Group banner in Jefferson LA, most wearing navy polo shirts with the company's logo. They are smiling and posing for the photo, ready to discuss home additions and more.

Step 1: Meet & Plan

We visit your Jefferson home, walk the property and existing structure, and produce a written estimate with a detailed and accurate scope.
Two people review architectural floor plans in Jefferson LA, one holding a tablet displaying home additions blueprints while the other points at details with a stylus. Papers and a coffee cup are on the table.

Step 2: Design & Refine

We develop the full addition design and work through every detail with you before any work begins.
Modern kitchen with light wood cabinets, white marble countertops, stainless steel appliances, gold fixtures, and an island sink. Perfect for Jefferson LA Home Additions, with pendant lights and a staircase featuring a glass railing in the background.

Step 3: Build & Complete

We manage the complete addition including all Jefferson Parish permits and inspections through final completion.
A partially constructed wooden frame for home additions extends from the side of a house in Jefferson LA, with a red ladder leaning against it. The elevated structure shows visible siding and unfinished wood beneath an overcast sky.

Quality Materials for an Established Community.

Jefferson’s residential character reflects long-term ownership and consistent investment. A home addition here should match that standard — durable materials, quality construction, and a finished result that adds real value and function to the property.

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Start Your Jefferson Home Addition.

Get a free estimate from a contractor who works throughout Jefferson and the Eastbank. Quality work, clear pricing, consistent results.

About Home Additions Across Jefferson

Jefferson is a small, densely settled community with mid-century homes built between the 1940s and 1970s. The lot sizes here are modest, and we verify setback and lot coverage requirements with Jefferson Parish on each individual property before finalizing a scope. Many properties can accommodate rear additions within the required setbacks. The solid mid-century construction provides a dependable structural base. We work in Jefferson regularly and know what these properties require.

Why Work with us?

We Have A Team Of Experienced And Skilled Professionals Who
Are Dedicated To Delivering Top-Quality Workmanship.

Professional Contractor

From Start To Finish, QCG Services General Contracting Handles Every Aspect Of Your Project.

24/7 Services​

Whenever You Call, We Are Ready.

Affordable Price​

We Believe That Everyone Should Have Access To Quality Services.

Best Materials

We Handle Every Facet Of Your Project Using Quality Materials.

Frequently Asked Questions

Does Quillen Construction Group build home additions in Jefferson?

Yes. We serve Jefferson homeowners with home addition services throughout Jefferson Parish. Jefferson’s densely settled Eastbank location and mid-century housing stock are familiar territory for our team.

How tight are Jefferson’s lots for home additions?

Jefferson is one of the more densely settled communities in Jefferson Parish and lot sizes here are on the compact side. That means setback and lot coverage verification is particularly important before any scope is written. We check your specific parcel’s constraints during the site visit — rear, side, and front setbacks plus available lot coverage — and design additions that fit within those parameters rather than discovering compliance issues mid-project. In most cases there’s enough rear yard to accommodate a meaningful addition, but we verify rather than assume.

Do you handle Jefferson Parish permits for home additions in Jefferson?

Yes. We manage all permitting and inspection coordination with Jefferson Parish on every Jefferson addition project from initial application through final completion.

Can you add onto a Jefferson home that’s been renovated multiple times?

Yes, though these properties sometimes have surprises in the existing structure from prior renovation work done without permits or proper technique. We assess the existing conditions carefully during the site visit, and if there are visible concerns with prior work we address them in the scope before the addition is designed. Building an addition onto compromised existing structure creates problems that are expensive to fix after the fact.

How do I get started with a home addition in Jefferson?

Call us at (504) 800-4126 or use the contact form on our website to schedule a free site visit and estimate.

RESIDENTIAL PROJECTS

Quillen Construction Group is a full-service residential remodeling company serving the New Orleans area for over ten years!

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128 Dona Dr

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