The term sounds unusual, but the building is familiar across New Orleans. The important distinction is between its architectural form and its current legal use.
Written by Ryan Roberts
Ryan Roberts is a New Orleans real estate agent focused on shotgun homes and historic residential property.
What makes a shotgun double-barrel?
The double-barrel form places two narrow shotgun units beside one another beneath a common roof. New Orleans HDLC describes the double as a twinned single with a symmetrical facade, commonly two doors and two windows, and a central dividing wall.
Each historic side is usually one room wide and three to five rooms deep. Local usage favors two-unit shotgun; double-barrel is a descriptive alternative rather than a different basic type.
Is a double-barrel shotgun the same as a duplex?
Architecturally it is a side-by-side two-unit form, but duplex is a use and unit-count term that can cover many layouts. Double shotgun identifies a particular building typology.
A former double may now function as one dwelling after openings were created through the center wall. A building that looks like a double can also have a different documented legal use. Verify the address through the site's guide to legal two-family status.
Is the North Shore shotgun another kind of double-barrel?
No. The Louisiana North Shore house is a related regional folk type, not simply another name for a double shotgun. Louisiana Folklife describes it as a row of rooms crossed by rear rooms in an L- or T-shaped plan, often with galleries on three sides and many exterior doors.
A North Shore house can look broad or have repeated openings, but its plan and galleries differ from two linear units divided by a center wall. Use the exact plan rather than the number of front doors to classify it.
What should buyers and owners inspect?
Inspect the center wall, roof, foundation piers, utilities and any connections between the two sides. Conversion work can involve removed load-bearing sections, patched floor levels, duplicated or combined services and concealed moisture or termite damage.
Records should show the permitted scope and current use. A visual opening between sides proves only that an opening exists; it does not establish structural adequacy or zoning compliance. Coordinate a shotgun-house inspection with permit and land-use research.
Common questions about double-barrel shotgun houses
Why is it called a double-barrel shotgun?
The name extends the shotgun metaphor to two parallel linear units. In New Orleans, double shotgun is the more common architectural term.
Can both sides function as one house?
They can be connected physically, but the permitted work and current legal use must be verified through property-specific records.
Do two front doors prove two legal units?
No. The doors are architectural evidence; they do not establish current zoning, permitted use or occupancy authorization.
Key takeaways
- 01Double-barrel and double shotgun usually describe the same architectural form.
- 02The type consists of two side-by-side linear units under one roof.
- 03The North Shore house is a different regional subtype.
- 04Current legal use requires records, not facade interpretation.
References
- 01Building Types and Architectural Styles
New Orleans HDLC
- 02Louisiana Folk Houses
Louisiana Folklife Program
- 03The Double Shotgun
City of Dallas Historic Preservation
My methodology
Open each item to see the scope, definitions and limits behind the article.
Research date+
Municipal and state cultural-resource sources were reviewed on August 31, 2026.
Terminology+
The article distinguishes architectural type, regional subtype and documented legal use.
Scope+
This guide is not a structural, zoning, title or occupancy determination for a specific property.