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Gretna, LA Accessory Structures: Shed & Carport Rules (2026)

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

Shed permit rules in Gretna, LA, also referred to as storage shed, backyard shed, or accessory building regulations, set size limits, setbacks, and when a building permit is required.

Key Facts

Shed valuation rate
$10.00 per square foot
Base permit fee formula
$30 for first $1,000 + $5/$1,000 more
Example: 100 sq ft shed fee
$30.00 permit fee
Unpermitted work penalty
150% of fee or fee + $300
Fee refundability
nonrefundable

Summary

Gretna's building permit fee schedule, § 10-37, values a storage shed at $10.00 per square foot of construction for permit purposes, then runs that valuation through the city's standard fee formula: $30.00 for the first $1,000.00 of value plus $5.00 for each additional $1,000.00 or fraction thereof.

Sec. 10-37. - Schedule of permit fees. (a)Values for new construction. Values for estimating the cost of construction to assess plan review/plan processing fees or to estimate the building permit fees due for the issuance of building permits for new construction shall be determined as shown in the table below. ... Storage shed 10.00 ... (c)Building permit fees. For all buildings, structures, or alterations thereto requiring a building permit a fee shall be paid, as required, at the time of submittal. The minimum base building permit fee for all construction work requiring permits shall be $30.00 for the first $1,000.00 of value plus $5.00 per additional $1,000.00 or fraction thereof of total construction value.

View official code

Full Breakdown

00. 00 fee. Subsection (b) lets the building official require detailed cost estimates if a shed's declared valuation looks underestimated. 00. The building official, per § 10-1, is the officer who administers and enforces this fee schedule and any resulting citation.

Violations & Fines

Starting shed construction before the permit issues triggers a § 10-38 violation fee, the lesser of 150 percent of the original permit fee or the original fee plus $300.00, which must be paid with the permit application before it will be accepted. A general Chapter 10 violation is separately punishable under § 1-8(d) by a fine of up to $500.00, with each day of a continuing violation treated as a separate offense.

Frequently Asked Questions

How much does a storage shed permit cost in Gretna?
Gretna values a shed at $10.00 per square foot for permit purposes under § 10-37(a), then applies the city's fee formula of $30.00 for the first $1,000.00 of value plus $5.00 per additional $1,000.00, so a 100-square-foot shed costs $30.00 to permit.
Can the city question my shed's declared value in Gretna?
Yes. Section 10-37(b) lets the building official deny the permit unless the applicant shows detailed cost estimates when a shed's valuation looks underestimated or misrepresented.
What if I build my Gretna shed before getting a permit?
Section 10-38 imposes a violation fee equal to the lesser of 150 percent of the original permit fee or the original fee plus $300.00, due with the late permit application before it can be accepted.
Is a Gretna shed permit fee refundable if I cancel?
No. Section 10-37(c) states that all building permit fees, including the shed valuation fee, are nonrefundable once paid.

Sources & Official References

Other rules in Gretna

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All Gretna rules

How Gretna compares: Shed Permit Requirements by City·Compare Gretna to another location·View the Louisiana accessory structures overview

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