Prison time for arson runs from under a year for a reckless misdemeanor fire to life in prison or the death penalty when someone is killed. Federal arson carries a mandatory minimum of 5 years and a maximum of 20 years for the base offense, with the ceiling rising to 40 years if anyone is injured. State first-degree arson, which usually means burning an occupied building, commonly carries 15 to 30 years or more. How long you get for arson depends on three things above all: whether people were in danger, whether anyone was hurt or killed, and whether the charge is filed in state or federal court.
State Sentences by Degree
Most states grade arson by how dangerous the fire was to human life. The labels vary, but the tiers line up.
First-degree arson covers fires set to occupied buildings, or buildings where people were likely to be. It is typically a top-level felony. Sentences often run 10 to 30 years, and some states allow life imprisonment when the fire causes a death or involves an explosive. Fines can reach $50,000 or more.
Second-degree arson covers unoccupied structures such as an empty building, warehouse, or vehicle. As a mid-level felony it usually carries 2 to 20 years.
Third-degree arson covers property that is not a building, such as a field, forest, or personal belongings of relatively low value. Penalties usually top out around 5 to 7 years.
A handful of states add fourth- or fifth-degree charges for reckless fires set without specific intent. These can be misdemeanors with up to a year in jail.
These ranges are rough. The actual number turns on the state, the facts, and the defendant’s record. The question every jurisdiction asks first is the same: was anyone in danger?
Federal Arson Under 18 U.S.C. 844
Federal charges apply when the fire targets property owned by or leased to the federal government (including buildings that receive federal funding), or property used in interstate or foreign commerce. That second category is broader than most people expect. Courts read the commerce connection expansively, so hotels, restaurants, apartment buildings, and most commercial property qualify.
The penalty tiers are:
- No injuries: a mandatory minimum of 5 years and a maximum of 20 years.1Office of the Law Revision Counsel. 18 USC 844 – Penalties
- Personal injury results: a mandatory minimum of 7 years and a maximum of 40 years.1Office of the Law Revision Counsel. 18 USC 844 – Penalties
- Death results: for federal property arson, a mandatory minimum of 20 years, up to life, or the death penalty. For interstate commerce property arson, any term of years, life, or the death penalty.1Office of the Law Revision Counsel. 18 USC 844 – Penalties
One detail catches many defendants off guard. Attempted arson carries the same penalties as a completed arson under these provisions. The fire does not have to succeed for the 5-to-20 range to apply.
The 10-Year Add-On for Using Fire in Another Felony
Anyone who uses fire or explosives while committing another federal felony picks up a separate mandatory sentence of 10 years on top of whatever the underlying crime carries. A second offense doubles that to 20 years. This add-on runs consecutively, cannot overlap with the other sentence, and cannot be replaced by probation.1Office of the Law Revision Counsel. 18 USC 844 – Penalties
This is the provision that turns arson-for-insurance cases into decades. The arson itself carries 5 to 20 years. The insurance fraud, usually charged as mail or wire fraud, carries its own sentence. The 10-year add-on then stacks on top of both.
Arson of Religious Property
A separate federal statute covers fires set to houses of worship and other religious property. Property damage above $5,000 with no injuries carries up to 3 years. Bodily injury by fire or explosive raises the ceiling to 40 years. If someone dies, the penalty is life or death.2Office of the Law Revision Counsel. 18 USC 247 – Damage to Religious Property; Obstruction of Persons in the Free Exercise of Religious Beliefs
What Moves the Number Up or Down
Within the statutory range, judges look at the facts to decide where the sentence lands. Some circumstances push the number higher.
- Injuries or deaths. This is the single biggest driver. Any physical harm to another person, including firefighters and other first responders, triggers enhanced penalty tiers in both state and federal court.
- Use of accelerants or explosives. Gasoline, lighter fluid, or a device built to intensify the fire signals premeditation and makes the crime harder to control.
- Prior record. A history of arson or other serious offenses pushes the sentence toward the top of the range. Under federal law, a prior arson conviction doubles the mandatory consecutive add-on from 10 to 20 years.1Office of the Law Revision Counsel. 18 USC 844 – Penalties
- Financial motive. Setting a fire for insurance money or to destroy business records reads as cold calculation and tends to raise the sentence.
- Vulnerable targets. Fires at schools, hospitals, houses of worship, or other places where people gather carry additional weight.
Mitigating factors can bring a sentence down, though rarely by much in arson cases because of the danger fire poses. A clean record, a minor role such as acting as a lookout or being pressured into participating, serious mental health issues or extreme emotional distress, and substantial cooperation with investigators can all reduce the number. Cooperation is the one factor that can drop a federal sentence below a mandatory minimum.
Burning Your Own Property Still Counts
Setting fire to something you own is not a defense. Every state has a “burning to defraud” statute that criminalizes torching your own property to collect insurance. Federally, the 5-to-20-year range applies whenever the property has any connection to interstate commerce or receives federal assistance, which covers most commercial buildings. The insurance fraud adds separate charges and more prison time.
Even without an insurance angle, burning your own property is illegal if it endangers others. A fire set to your own house in a dense neighborhood risks the neighbors and can be charged as first-degree arson in many states.
How Long Prosecutors Have to Charge
Arson is not a wait-out-the-clock crime. Federal prosecutors have 10 years from the date of the offense to bring non-capital arson charges, double the standard 5-year federal window.3Office of the Law Revision Counsel. 18 USC 3295 – Arson Offenses If someone died in the fire, there is no time limit at all.
State limits vary. Many run 5 to 10 years, and some remove the limit entirely when the fire killed someone. Cold cases get reopened when new forensics or a cooperating witness surfaces.
What Follows the Prison Sentence
Prison is only part of the exposure. An arson conviction sets off a chain of other penalties.
Federal restitution is mandatory. Under the Mandatory Victims Restitution Act, the court must order the defendant to pay victims for property damage at the greater of its value on the date of destruction or the date of sentencing, plus medical and rehabilitation costs, lost income, funeral expenses, and costs victims incur participating in the prosecution.4Office of the Law Revision Counsel. 18 USC 3663A – Mandatory Restitution to Victims of Certain Crimes Payments start during incarceration through the federal Inmate Financial Responsibility Program and continue as a condition of supervised release.5Department of Justice. Restitution Process State systems generally work the same way. A single house fire can produce hundreds of thousands in restitution, and commercial fires can run into the millions.
Civil suits come on top of restitution. When an insurer pays a fire loss claim, it acquires the right to recover from whoever caused the fire through subrogation. That can include building replacement, contents, lost rental income, business interruption, and additional living expenses.
Several states maintain an arsonist registry that works much like a sex offender registry: current address, fingerprints, photograph, and prompt updates when anything changes. In some states registration lasts for life. Failing to register is a separate crime.
After release, most arson defendants serve a lengthy term of supervised release or parole. Violating the conditions sends them back inside. And because arson is a felony in nearly every scenario that leads to prison, a conviction permanently bars the person from possessing firearms or ammunition under federal law.6Office of the Law Revision Counsel. 18 USC 922 – Unlawful Acts That bar applies nationwide and lasts for life absent expungement or a presidential pardon.