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Lafayette, LA Building Setbacks & Zoning: Structure Height Limits (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Bulk plane start
3 stories within 50 ft of any lot line
Additional stories
+1 per extra 50 ft from setback
Restriction ends
Beyond 200 ft from any lot line
Regulated story height cap
14 feet per story (§89-27(a)(3))
Attic exemption
Under 7.5 ft clear height, ≤50% of floor
Permit review item
Number of stories disclosed on application

Summary

Lafayette's "RS-1" and "RS-2" single-family districts don't carry a flat maximum-story number the way denser districts do. Instead, Sec. 89-9(b)'s bulk plane caps a house at 3 stories for the first 50 feet from any lot line, adding one more story per additional 50 feet, and Sec. 89-27(a)(3) fixes each of those regulated stories at a maximum of 14 feet.

8 From RS district boundary or another RS zoned lot or parcel 3 stories for the first 50' from the front, side or rear lot line, then 1 additional story for each additional 50' from the setback line. This requirement does not apply beyond 200' from any lot line. ... (3) Notwithstanding the foregoing, when the maximum number of stories is regulated in article 2 of this chapter, the maximum story height shall be 14 feet.

Source: Lafayette City-Parish Consolidated Government CodeView official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 65).

Full Breakdown

" Sec. 89-27(b) explains the mechanics city-wide: the bulk plane's "starting point" is measured in stories above the setback line, with each story treated as 12 feet for that starting calculation, then an imaginary "bulk plane limit line" rises to an "ending point" beyond which there is no height limit at all. Because Sec. 89-27(a)(3) separately caps any story regulated under Article 2 at 14 feet, a typical RS-1/RS-2 home built close to a shared lot line tops out near three stories (roughly 42 feet) before it can add height only by pulling back another 50 feet per extra story.

Sec. 5 feet, and Sec. 89-27(a)(5) allows one bonus story on the low, rear portion of a downward-sloping lot. Building permit review checks this directly: Lafayette's Article 10 submittal checklist requires every application to state the "[l]ocation, number of stories, footprint, and gross square footage of buildings and structures," so height compliance is verified before a permit issues, not left to self-certification.

Violations & Fines

A house or accessory structure that exceeds the 3-story/50-foot bulk-plane progression relative to an RS district boundary, or that miscounts an enclosed attic as habitable space above the 7.5-foot attic threshold, fails the Article 10 permit-checklist review requiring disclosed "number of stories" and can be rejected at plan review before a building permit is ever issued.

Frequently Asked Questions

Is there a flat maximum height for houses in Lafayette's RS-1 and RS-2 districts?
No single number applies everywhere on the lot. Sec. 89-9(b) instead uses a bulk plane tied to distance from a lot line: 3 stories within the first 50 feet, one more story for each additional 50 feet, with the requirement dropping away entirely beyond 200 feet from any lot line.
How tall is a 'story' for purposes of this height limit?
Sec. 89-27(a)(3) sets the maximum story height at 14 feet whenever the number of stories is regulated under Article 2, so the 3-story starting point near a lot line effectively caps a home at roughly 42 feet before any additional setback-based stories are added.
Does an attic count as an extra story under this rule?
Not automatically. Sec. 89-27(a)(4) excludes an attic from being counted as a story if at least 50 percent of its floor area has a clear height of less than 7.5 feet measured from finished floor to finished ceiling.
Can a sloped lot get an extra story?
Yes. Sec. 89-27(a)(5) allows one additional story beyond the specified maximum to be built on the lower, rear portion of a lot that slopes downward from the front property line.

Sources & Official References

Other rules in Lafayette

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All Lafayette rules

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