Brentwood is a hamlet in the Town of Islip in Suffolk County, on Long Island, in New York, United States.

[4][5] The colony was established on 750 acres (3.0 km2) of land by Josiah Warren and Stephen Pearl Andrews.

[4] By contract, all the land in the colony was bought and sold at cost, with 3 acres (12,000 m2) being the maximum allowable lot size.

The community had a local private currency based upon labor exchange in order to trade goods and services (see Mutualism (economic theory)).

This appears to have given some credence to Warren's theories that the most significant cause of violence in society was most attributable to policies and law which did not allow complete individuality in person and property.

The Civil War, as well as new residents that did not share the colony's philosophy, are said to have contributed to its eventual dissolution.

A 52-acre (0.21 km2) portion of the psychiatric center was converted into the Brentwood State Park athletic field complex, which officially opened in 2009.

[9] Brentwood High School has a nationally-recognized boys soccer team that won national championship in 2019.

[10] According to the United States Census Bureau, the CDP has a total area of 11.0 square miles (28 km2), all land.

At the 2020 American Community Survey the Latino population was: 27.7% Salvadoran, 11.1% Puerto Rican, 7.3% Dominican, 4.2% Ecuadorian, 3.3% Peruvian, 2.9% Mexican.

On August 28, 1899, land was purchased from Mrs. Elvira S. Studley and the Brentwood Fire District was incorporated.

The old building was replaced with a two-story brick house on the same site which is still in use today as the department gym.

The Board is responsible for the overall financial management of the District, including establishing policies and procedures to ensure that assets are properly safeguarded.

Additionally, the Board is responsible for approving an annual budget to ensure the District's resources are efficiently used.

As a result, Mr. Seymour ended up being driven to the hospital in a private vehicle despite having sustained serious injury.

[18] That year, Mr. Seymour gathered members from the American Legion’s Joseph Loeffler Post 1006, based in Brentwood.

Over the course of over 50 years, the Brentwood Legion Ambulance has expanded to over 250 members from all across Long Island, New York.

The department has made upgrades to state-of-the-art equipment and vehicles since obtaining their first ambulance from 1948 all those years ago.