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Charles County, MD Home Business: Signage Rules (2026)

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

Key Facts

Max sign area
4 sq ft
Illumination
not permitted
Mounting
flat to building only
Permit
required, no fee
Permit validity
6 months from issuance

Summary

Home-based businesses in Charles County may post one sign advertising the home occupation under Zoning Ordinance § 297-322A, but it can't exceed four square feet, can't be illuminated, and must be mounted flat against the building rather than freestanding. A permit is required, though the County charges no fee for it.

These county ordinances apply to unincorporated areas of Charles County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

Home occupation. A nonilluminated sign not exceeding four square feet in area, attached flat to a building, to advertise home occupations.

Full Breakdown

Section 297-322A sits in the 'Signs requiring permit but no fee' list of Article XIX, the middle tier between signs that need neither a permit nor a fee and signs, like most freestanding and building-mounted commercial signage under § 297-324, that need both. A home occupation sign is capped at four square feet in area, must be nonilluminated, meaning no internal lighting, backlighting or spotlighting, and must be attached flat to the building rather than mounted on a pole or post in the yard. Because the sign still needs a permit even though there's no fee, the applicant has to go through the same review the Zoning Officer applies to every sign permit under § 297-319D: submitting the application in the form the Zoning Officer prescribes, and, once the sign is up, requesting an inspection from the Department of Planning and Growth Management under § 297-319D(6).

The permit becomes void if the work isn't completed within six months of issuance, though the Zoning Officer can grant an extension for reasonable cause under § 297-319D(3). Because home occupations by definition operate out of a dwelling, the four-square-foot cap here is far tighter than the 32-square-foot allowance the code gives freestanding 'A' signs or event banners elsewhere in Article XIX, reflecting the County's intent to keep home-based business signage residential in scale.

Violations & Fines

A home occupation sign larger than four square feet, illuminated, or mounted freestanding instead of flat to the building doesn't qualify for the no-fee home-occupation category and is treated as an unpermitted sign under Article XIX. The Zoning Officer can require its removal, and if the owner doesn't comply within 10 days of written notice under § 297-319F, the County may remove it or pursue legal action at the owner's expense.

Frequently Asked Questions

Can I put up a sign for my home-based business in Charles County?
Yes, but it's limited under § 297-322A to one nonilluminated sign of no more than four square feet, attached flat to the building. You still need a sign permit from the Zoning Officer, but the County doesn't charge a fee for a home occupation sign.
Can a home business sign be freestanding in the yard?
No. Section 297-322A requires the sign to be attached flat to a building, so a post-mounted or freestanding yard sign for a home occupation doesn't meet the standard and would need to qualify under a different, fee-bearing sign category instead.
How long is the home occupation sign permit good for?
Under § 297-319D(3), any sign permit, including a home occupation permit, becomes void if the authorized work isn't completed within six months of the issue date, though the Zoning Officer may grant an extension for reasonable cause.

Sources & Official References

Other rules in Charles County

All Charles County rules

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