What is a back-flow device and why do I need one?
A back-flow devise is a valve installed on your water line to prevent contaminated water from backing into the public water system. This is a New York State Law that must be enforced by the local municipalities and must be inspected and tested annually.

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1. I would like to obtain a permit to build a dormer on my home. I live in West Hempstead. Is this the correct department?
2. Can I occupy a cellar or basement apartment?
3. When is heat required for a rented apartment?
4. Can romex wiring be used?
5. What are the current building department fees?
6. What is a back-flow device and why do I need one?