The resemblance is real: both plans can require walking through one room to reach the next. The labels still are not interchangeable.
Written by Ryan Roberts
Ryan Roberts is a New Orleans real estate agent focused on shotgun homes and historic residential property.
What is the difference at a glance?
The cleanest comparison asks three separate questions: Is this a house or an apartment unit? How are its rooms connected? How does it relate to adjoining structures? A shared room sequence answers only the middle question.
| Feature | Shotgun house | Railroad apartment |
|---|---|---|
| What the term names | A house type and plan | An apartment-unit layout |
| Building context | Often detached; can be a double or another variant | Usually one unit within a larger building |
| Circulation | Traditionally room to room, generally front to rear | Rooms arranged in a narrow line, often room to room |
| Regional association | Especially identified with New Orleans and other Southern cities | Strongly associated with apartment markets such as New York |
| Can plans be altered? | Yes | Yes |
Why do people confuse the two?
Both use a linear sequence instead of devoting much floor area to a central corridor. Merriam-Webster defines a railroad flat as an apartment with a series of narrow rooms arranged in line; New Orleans preservation guidance describes the simplest shotgun as one room wide and several rooms deep.
That shared geometry produces a similar experience, but geometry alone does not establish the building type. The same distinction appears in the shotgun-versus-row-house comparison: plan, attachment and unit count are related but separate facts.
How should you identify the property?
Start outside. A detached narrow frame house with a front-facing entry and a deep footprint may fit the shotgun type. A unit occupying part of a larger apartment building may have a railroad plan even if the interior circulation feels similar.
Then check the plan. Traditional shotguns commonly have a front-to-rear room sequence; a side-by-side double places two sequences side by side. Renovations may add a side passage, closets, bathrooms or openings that blur the original arrangement.
Finally, verify what appearance cannot prove. A survey, floor plan, assessor record and permit history can clarify boundaries, unit configuration and alterations. The same evidence separates a double-barrel shotgun house from a subdivided single. A listing description is useful search language, not a substitute for records.
Why the distinction matters when buying
A house purchase raises site, roof, foundation and exterior-maintenance questions that may not belong to an apartment unit in the same way. A multiunit building can add association, common-element or shared-system questions, much as an attached row house does. The linear plan affects circulation in both cases, but the ownership and inspection scope may be very different.
For a New Orleans shotgun, review the hall-free layout guide and arrange a property-specific inspection before treating the type label as a condition report. The checks a buyer should run lay out the broader due-diligence sequence.
Frequently asked questions about railroad apartments and shotgun houses
Is a shotgun house the same as a railroad apartment?
No. They can share a linear, room-to-room plan, but a railroad apartment is an apartment unit and a shotgun is a house type.
Do both layouts lack hallways?
Traditional examples often do, but renovated versions may contain side passages or reconfigured circulation. Inspect the actual plan.
Can a shotgun contain two units?
Yes. A double shotgun commonly contains two side-by-side linear units separated by a center wall.
How can I confirm the house type?
Compare the exterior form and floor plan with local preservation guidance, then verify current unit configuration and alterations through surveys, records and inspection.
Key takeaways
- 01Railroad apartment names an apartment layout; shotgun names a house type and plan.
- 02Linear room-to-room circulation is the principal overlap.
- 03Attachment, unit count and ownership must be checked separately.
- 04Current plans may differ substantially from the original arrangement.
References
- 01Railroad flat definition
Merriam-Webster
- 02Building Types and Architectural Styles
New Orleans HDLC
- 03Vieux Carré Design Guidelines
City of New Orleans
My methodology
Open each item to see the scope, definitions and limits behind the article.
Research date+
Definitions and New Orleans preservation sources were reviewed on August 31, 2026.
Comparison method+
The comparison separates building type, unit context, attachment and circulation rather than relying on visual similarity alone.
Scope+
The current legal unit configuration, boundaries and condition require property-specific records and professional review.