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Shirley is a south shore hamlet in Brookhaven Town. Residential properties here rely on private onsite wastewater systems, and the housing stock includes many homes built in the mid-to-late 20th century.

Shirley homeowners with older cesspool systems are in a position that the Suffolk County Septic Improvement Program was specifically designed to address — aging infrastructure with environmental implications and significant upgrade costs that grant funding can help offset.

Common Homeowner Concerns in Shirley

  • Routine pumping and maintenance: Scheduling regular service is the most important thing a homeowner can do to protect an onsite wastewater system. See our guide: How Often Should You Pump?
  • Warning signs of failure: Slow drains, outdoor odors, wet yard patches, or sewage backup are signals that warrant professional attention. See: Signs Your Cesspool Is Failing
  • Buying or selling a home: Septic and cesspool condition is a material factor in any real estate transaction. See our guides for buyers and sellers.
  • Replacement planning: If your system is aging or has been identified as failing, understanding your options — including grant funding — is an important first step. See: Replacement Cost Factors

Suffolk County Septic Grant Programs

Eligible homeowners throughout Suffolk County — including those in Shirley — may qualify for up to $45,000 in combined county and state grant funding toward the replacement of a cesspool or septic system with an approved I/A (Innovative/Alternative) system. Grant approval must be obtained before installation begins.

See our comprehensive guide: Suffolk County Septic Grant Programs

Services for Shirley Homeowners

Nearby Communities

We also provide homeowner guidance and service connections for Mastic Beach, Mastic, Center Moriches and communities throughout Suffolk County. View all service areas.

Frequently Asked Questions

Does my Shirley property have a cesspool or a septic system?

This depends on when and how your home was built. Homes built in the mid-20th century in Suffolk County typically have cesspools. A licensed contractor can identify your system type during a service visit. See also: Cesspool vs. Septic: What's the Difference?

How do I find a licensed septic contractor serving Shirley?

Suffolk Septic Solutions can help connect you with independent local service providers through our request form. We do not perform services directly. Use the form on this page or contact us here.

How do I apply for the Suffolk County septic grant?

See our detailed guide: Suffolk County Septic Grant Programs. The process involves eligibility review, application, approval (which must precede installation), and working with an approved contractor.

Not sure where to start?

Describe your situation and we'll help you understand your options.