State-level firearms preemption rules that limit what cities can regulate, plus statewide concealed and open carry baselines.
Firearms rules vary widely between U.S. cities and counties. What is permitted in one jurisdiction may carry fines or require permits in another. These differences matter whether you are a homeowner, renter, landlord, or business owner.
We research each city's municipal code, official department guidelines, and council records to summarize the rules that affect daily life. Every entry links to the original source so you can verify the details yourself. Browse the topics below to explore specific firearms regulations by city.
Each tile shows the strongest state-level rule for that state. Click a state to see its full statewide rules and how local cities are constrained.
Severity: Permissive · Moderate · Strict
Whether your state expressly bars cities from passing their own firearms ordinances, and what (if anything) cities can still regulate.
State concealed carry licensing, reciprocity with other states, and where concealed carry is prohibited statewide regardless of local rules.
State rules on visibly carrying a firearm in public, including who may open carry and where open carry is prohibited statewide.
State rules on transporting firearms in private vehicles — locked-case requirements, loaded vs unloaded, and whether locals can add restrictions.