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Piscataway, NJ Noise from Specific Sources: Generator Noise (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Governing section
Piscataway Township Code § 21-627(e)
Allowed location
Side or rear yard only
Setback
2 feet from residential property line
Screening
Evergreen plantings or fencing, generator height
Noise standard
NJ Noise Control Act, N.J.A.C. 7:29
Adopted
February 9, 2021, Ord. No. 2021-05

Summary

Piscataway Township Code Section 21-627(e) sets a separate, tighter rule for home backup generators than for AC units. A generator in a residential zone must sit only in a side or rear yard, stay at least 2 feet from any residential property line, be screened by evergreen plantings or fencing as tall as the unit, and still meet the state Noise Control Act and Noise Control Regulations.

§ 21-627. STORAGE OF OUTDOOR MECHANICAL EQUIPMENT. ... ... e. Auxiliary power generators in a residential zone shall be: 1. Only located in a side or rear yard; 2. In compliance with both the Noise Control Act of 1971 (N.J.S.A. 13:16-1 et[??] seq.) and the New Jersey Noise Control Regulations (N.J.A.C. 7:29); 3. Set back a minimum of two feet from any property line abutting a residential zone or residential use; 4. Screened by evergreen plantings, of a height equal to the height of the auxiliary power generator, or fencing or other enclosures equal to the height of the auxiliary power generator.

Full Breakdown

Added February 9, 2021 by Ordinance No. 2021-05, Section 21-627 groups auxiliary power generators with air-conditioning units, compressors and pool pumps as regulated outdoor mechanical equipment, then carves generators out of the general 10-foot setback and mandatory-screening rule in subsections (b) and (c) and gives them their own standard in subsection (e). A residential generator must be located only in a side or rear yard, never a front yard, and set back a minimum of 2 feet from any property line abutting a residential zone or residential use.

It must comply with both the Noise Control Act of 1971 (N.J.S.A. 13:16-1 et seq.) and the New Jersey Noise Control Regulations at N.J.A.C. 7:29, the same statewide sound limits that govern every other piece of outdoor mechanical equipment in the section. It must also be screened, either by evergreen plantings equal in height to the generator or by fencing or another enclosure of that same height. Subsection (d) still requires a Zoning Officer permit before a new generator goes in on a residential lot, so the 2-foot setback and screening are checked at the permit stage, before the unit is wired in, rather than after a neighbor complains about noise.

Violations & Fines

A generator sited in the front yard, set back less than 2 feet from a residential property line, or installed without the required evergreen or fence screening violates Section 21-627(e) and is a zoning violation enforced by the Piscataway Zoning Officer. Because the permit under subsection (d) is issued before installation, an unpermitted generator can be ordered relocated, screened or removed, and continued noncompliance keeps the property out of compliance for any future zoning or occupancy approval.

Frequently Asked Questions

Why do generators get a smaller setback than air-conditioning units in Piscataway?
Section 21-627(b) exempts residential generators from the general 10-foot equipment setback and gives them their own 2-foot minimum in subsection (e) instead, because standby generators sit close to the house near the electrical panel. The trade-off is a strict side-or-rear-yard-only placement and mandatory screening that ordinary AC units in a rear yard do not carry.
Can I put my generator in the front yard if the side yard is too narrow?
No. Subsection (e)(1) limits residential generators to a side or rear yard only; the front yard is not an option regardless of lot width. A homeowner with no workable side or rear location should raise the constraint with the Zoning Officer when applying for the required permit rather than installing in the front yard.
Does the generator still need to meet state noise limits?
Yes. Subsection (e)(2) requires compliance with both the Noise Control Act of 1971 and the New Jersey Noise Control Regulations at N.J.A.C. 7:29, the same statewide decibel standards applied to every other piece of outdoor mechanical equipment covered by Section 21-627, so a quieter model or added enclosure may be needed to pass inspection.

Sources & Official References

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