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State of New Jersey Department of Environmental Protection

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COASTAL GENERAL PERMIT 9 – Expansion or reconstruction of a single family home or duplex

The Coastal General Permit 9 authorizes expansion or reconstruction of a legally constructed, habitable single family home or duplex and/or accessory development.  Accessory developments include garages, sheds, pools, driveways, grading, excavation and clearing.  The residence must be located landward of the mean high water line and may not be located on a bulkheaded lagoon lot.  Particulars for this general permit include the following:

  • Shore protection structures are not authorized by this permit. 
  • This general permit is for one single family home or duplex on the site, see N.J.A.C. 7:7-2.1 for common ownership details.
  • Special provisions apply if dunes are present on the site, see 7:7-7.9(d).
  • Special provisions apply if coastal bluffs are present on the site, see 7:7-7.9(e).
  • Special provisions apply if the site is in a Coastal High Hazard Areas or Erosion Hazard Area, see 7:7-7.9(f).
  • In some instances public access is not required, see 7:7-7.9(g).
  • The use of plastic under landscape or gravel areas is prohibited.
  • Driveways must be permeable or pitched to direct runoff onto permeable areas of the site.
  • On a wooded site, clearing is only allowed within 20 feet from the residence and the area necessary for driveway, septic and utility line installations.
  • Silt fences are required for projects adjacent to surface water bodies during construction until landscaping is completed.
  • A 10-foot, 15-foot, or 25-foot setback will be required depending on the site location and adjacent sensitive areas, see 7:7-7.9(m).
  • The project must be in compliance with 7:7E-3.22 - Beaches, 3.25- Flood hazard areas, 3.26 – Riparian zones, 3.27 - Wetlands, 3.28 – Wetland buffers, and 3.38 – Endangered or threatened wildlife or vegetation species habitats.
  • This general permit cannot be used in Coastal Wetlands.

You can read the full details in the rule at N.J.A.C.7:7-7.9.
If your project does not meet the requirements or limitations of Coastal General Permit 9, it may qualify for a permit-by-rule, other general permit, or a CAFRA Individual Permit.  Please review those tabs under Coastal Permitting for additional information.

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Last Updated: May 21, 2014