Law enforcement in New York City is carried out by numerous federal, state, city and private agencies. New York City has the highest concentration of law enforcement in the United States.

Federal government agencies

State government agencies

The Government of New York State operates one of the highest numbers of law enforcement agencies in the United States. While their jurisdiction stretches throughout New York City, many functions are duplicated by municipal agencies.

Bi-state agencies

These agencies work in both New York State and New Jersey and have jurisdiction in both states.

List of Agencies

Patch	Force	Parent department	Duties	Titled as	Amount of Personnel
	Port Authority of New York and New Jersey Police Department (PAPD)	Port Authority of New York and New Jersey	General law enforcement concerning PA areas	Police Officer	Approx. 2200+
	Waterfront Commission of New York Harbor Police (WCPD)	Waterfront Commission of New York Harbor (part of Port of New York and New Jersey)	General law enforcement concerning Harbour/Waterfront Areas	Peace Officers	Approx. 70

City government agencies

Powers and Authority

Members of New York city law enforcement agencies receive their powers and authority from New York State Criminal Procedure Law as listed:

• Police Officers who are listed under Article 2, §1.20 section 34 (A through V)^[3]
• Peace Officers who are listed under Article 2, §2.10 (1 through 85).^[4]

Designation as a special patrolman is unique to New York City, and is granted by the Commissioner of the NYPD under section 14-106 of the New York City Administrative Code in conjunction with the New York State Criminal Procedure Law Article 2 Section 2.10 Sub 27. The exercise of these powers are very limited to the employee's geographical area of employment and only while such employee is actually on duty as listed in Chapter 13 subsection (C): Special Patrolman. New York City Special Patrolman are appointed in connection with special duties of employment, and such designation confers limited Peace Officer powers upon the employee as listed in Chapter 13 subsection (C).

List of Agencies

Patch	Force	Parent department	Duties	Type	Amount of Personnel	Motto
	New York City Police Department (NYPD)	-	Responsible for the Policing and investigations of all crimes in New York City	Police Officers[5]	Approx. 36,230	New York's Finest
	New York City Department of Environmental Protection Police (DEP Police)	New York City Department of Environmental Protection	Responsible for the protecting of NYC's water supply system	Police Officers[6]	Approx. 200
	New York City Fire Department Fire Marshals	New York City Fire Department (FDNY)	Responsible for the Investigation of serious fires and arson within NYC	Police Officers[7]	Approx. 150	New York's Bravest (as FDNY)
	New York City Sheriff's Office (NYCSO)	New York City Department of Finance	Responsible for the enforcing of civil court orders and investigate tax / deed fraud in NYC	Deputy Sheriff[8]	Approx. 150
	New York City Taxi and Limousine Commission Police	New York City Taxi and Limousine Commission	Responsible for the enforcing of NYC taxi licensing regulations concerning livery vehicles	Special Patrolmen[9]	Approx. 205	New York's Proudest
	New York City Department of Homeless Services Police (NYC DHS Police)	New York City Department of Homeless Services	Responsible for the safety and security at NYC Department of Homeless Facilities	Special Officer[10]	Approx. 380	Policing with Compassion
	New York City Human Resources Administration Police Department (NYC HRA Police)	New York City Human Resources Administration	Responsible for the safety and security at NYC Department of Human Resources Administration Facilities	Special Officer[11]	Approx. 130	New York's Courageous
	New York City Department of Sanitation Police (DSNY Police)	New York City Department of Sanitation (DSNY)	Responsible for the enforcement NYC Sanitation laws and health code regulations	Special Patrolmen[12]	Approx. 80	New York's Strongest (as DSNY)
	New York City Parks Enforcement Patrol (NYC PEP)	New York City Department of Parks and Recreation	Responsible for the safety and security at NYC Parks and properties	Special Officer[13]	Approx. 85
	New York City Department of Probation	-	Responsible for supervision people placed on probation by the NYC court system.	Probation Officer[14]	Approx 60
	City University of New York Public Safety Dept	City University of New York (CUNY)	Responsible for the safety and security at CUNY campuses and facilities	Public Safety Officer[15]	Approx. 715
	New York City Department of Correction (NYCD)	-	Responsible for the care and custody of inmate in NYC correctional facilities	Correction Officer[16]	Approx. 9500	New York's Boldest
	New York City Police Department School Safety Division	New York City Police Department (NYPD)	Responsible for the safety and security at NYC public schools	Special Patrolmen[17]	Approx. 5000
	New York City Department of Citywide Administrative Services Police (NYDCASP)	New York City Department of Citywide Administrative Services (DCAS)	Responsible for the safety and security at NYC Department of Citywide Administrative Services facilities.	Special Officer[18]	Approx. 15
	New York City Department of Health and Hospitals Police (NYCDHHP)	New York City Health and Hospitals Corporation (NYC HHC)	Responsible for the safety and security at NYC Health and Hospital facilities	Special Officer[19]	Approx. 1250
	New York City Department of Health and Mental Hygiene Police (DOHMH Police)	New York City Department of Health and Mental Hygiene	Responsible for the safety and security at NYC Department of Health and Mental Hygiene facilities.	Special Officer[20]	Approx 10
	New York City Department of Investigation (NYC DOI)	Government of New York City	Responsible for investigating NYC governmental corruption & fraud	Special Patrolman[21]	Approx 35
	New York City Business Integrity Commission (BIC)	New York City Business Integrity Commission	Responsible for regulating private catering industry, public wholesale markets businesses, and the shipboard gambling industry	Special Patrolmen[22]	Approx 60

Since 1942, correction and probation services have been handled by separate agencies, not the sheriff's office.^[23]

The New York City Marshals, who are independent public officers enforcing civil debt, are not peace officers. New York City Marshals are regulated by the New York City Department of Investigation.^[24]

Non government / Private Company

A number of private owned and operated communities have their own public safety. A limited number of personnel are New York state peace officers after completing a basic peace officer training course. This grants them very limited peace officer authority within their geographical area of employment in New York City.

The New York City Police Department (NYPD) is the primary law enforcement agency whose mission is to provide police patrol service and investigate all crimes that occur within New York City which includes the below listed areas.

Public Safety Officers must complete the New York State POST (Peace Officer Standard of Training) to become certified.

Patch	Force	Parent Company	Duties	Title	Amount of Personnel
	Bay Terrace Public Safety Department	Cord Meyer Development LLC - Bay Terrace Shopping Centre	Public Safety at Bay Terrace	Public Safety	-
	Big Six Towers Public Safety Department	Mitchell-Lama cooperative housing company	Public Safety duties at Big Six Towers	Public Safety	Approx 8
	Co-op City Department of Public Safety (CCPD)	RiverBay Corporation	Public Safety Duties at Co-op City	Special Patrolmen	Approx. 100
	Hunts Point Department of Public Safety (HPPS)	Hunts Point Cooperative Market	Public Safety Duties at Hunts Point Market	Special Patrolmen	Approx. 20
	Morningside Heights Housing Corporation Department of Public Safety (MHHC PSD)	Morningside Gardens	Public Safety Duties at Morningside Gardens property.	Public Safety	-
	New York Racing Association Peace Officers	New York Racing Association	Public Safety Duties at NYRA facilities.	Special Police	Approx 15
	Parkchester Department of Public Safety (PDPS)	Parkchester Preservation Management	Public Safety Duties at Parkchester property.	Special Patrolmen	Approx. 50
	Roosevelt Island Public Safety Department (RIPSD)	Roosevelt Island Operating Corporation	Public Safety Duties at Roosevelt Island and Tramway	Public Safety	Approx 40
	Sea Gate Police Department (SGPD)	Seagate Homeowners Association	Public Safety Duties at Sea Gate private community	Public Safety	Approx. 10
	Peter Cooper Village Stuyvesant Town Public Safety (PCVST)	Stuyvesant Town–Peter Cooper Village	Public Safety Duties at peter copper village community	Public Safety	Approx 10
	Starrett City Department of Public Safety	Starrett City Associates	Public Safety Duties at Spring Creek Towers.	public safety	Approx 10

1. The Times Square Alliance has its own Public Safety Officers (PSOs) who act as the 'eyes and ears' for the local police.^[25] They are unarmed and their motto is: New York's Most Helpful.
2. The Flatiron 23rd Street Partnership BID has its own Public Safety Officers who act as ambassadors for the area. They patrol in uniform, during the daytime, seven days a week, regardless of weather.^[26]

Prosecuting attorneys

In New York State, each county has an elected district attorney who is responsible for the prosecution of violations of New York state laws. Federal law in the city of New York is prosecuted by the U.S. Attorney for the Southern District of New York or the United States Attorney for the Eastern District of New York.

Disbanded agencies