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Calvert County, MD Building Safety: Door Locking Hardware (2026)

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

Key Facts

Lock standard
good repair, capable of tightly securing the door
Egress rule
exit doors must open easily from inside
Applies to
interior and exterior doors entering housing units
Enforcing office
Division of Inspections and Permits, Code Official
Base fine
$500 per violation, per day

Summary

Calvert County's Minimum Livability Code requires every exterior door and its hardware to be kept in good condition, and any lock on an interior or exterior door entering a housing unit must be in good repair and able to tightly secure the door. Any door used as a required exit must still open easily from the inside, so a secure lock can never block emergency escape.

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

Door hardware: Every exterior door and its hardware shall be maintained in good condition. Where present, door locks on all interior and exterior doors entering housing units shall be in good repair and capable of tightly securing the door. ... Exit doors: Every door available as an exit shall be capable of being opened easily from the inside.

View official code

Full Breakdown

' That security duty is balanced against emergency egress. ' Read together, a landlord cannot install a lock, deadbolt or other hardware, such as a keyed double-cylinder deadbolt requiring a key from inside, that secures a door so well tenants cannot get out quickly in an emergency. Windows and door frames more broadly must 'fit reasonably well within its frame and be weathertight' under § 75-10C(11), and screens are required seasonally under § 75-10C(13). Complaints about broken or missing exterior locks are filed with the Division of Inspections and Permits (§ 75-7F), and the Code Official can order repairs under § 75-5D before escalating to a citation.

Violations & Fines

A property owner who fails to keep exterior door hardware or unit locks in good repair, or who installs hardware that blocks free exit, faces the same civil enforcement as other Minimum Livability Code violations: a $500 fine per violation under § 75-8, doubling if unpaid after 15 days, with District Court referral after 35 days for citations that remain unresolved.

Frequently Asked Questions

Can a Calvert County landlord install a deadbolt that needs a key to open from inside?
Not if it blocks quick escape. Section 75-10D(7) requires every exit door to 'be capable of being opened easily from the inside,' and § 75-14B(3) repeats that rule for doors in a required means of egress. A key-only interior deadbolt that delays escape conflicts with both provisions even if the lock itself is otherwise in good repair.
What condition must exterior door locks be kept in?
Section 75-10C(14) requires that 'door locks on all interior and exterior doors entering housing units shall be in good repair and capable of tightly securing the door,' and the door and its hardware overall must be 'maintained in good condition.' A landlord who lets a lock stay broken or missing is out of compliance with the Minimum Livability Code.
Who enforces Calvert County's door hardware requirement?
The Code Official within the Division of Inspections and Permits enforces Chapter 75, acting on written complaints that name the complainant and describe the specific violation under § 75-4A. Citations for uncorrected door-hardware problems follow the same $500 civil fine schedule set out in § 75-8.

Sources & Official References

Other rules in Calvert County

Animal Ordinances: Dog Leash LawsSome RestrictionsBuilding PermitsSome RestrictionsBuilding InspectionsSome RestrictionsNoise Ordinances: Barking DogsSome RestrictionsFence Regulations: Retaining WallsSome RestrictionsAnimal Ordinances: Mandatory Spay/NeuterSignificant RestrictionsAnimal Ordinances: Breed RestrictionsSignificant RestrictionsAnimal Ordinances: MicrochippingLight Restrictions

All Calvert County rules

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