NJ ISRA timeline & cost planner

Walk through the ISRA steps from our ISRA guide with estimated dates and costs. Cost ranges are anchored to published New Jersey pricing guides where available (linked per step); everything else is an industry-typical planning range, not a quote or legal advice. For an estimate scaled to your site size and contaminant, use the cleanup quote tool.

1. 1. File the General Information Notice (GIN)

   Due to NJDEP within 5 calendar days of the triggering event. Consultant prep time only.

   Target: Nov 1, 2026

   $1,500 – $5,000
2. 2. Retain an LSRP

   Licensed Site Remediation Professional oversees the case. Initial engagement/case setup.

   Target: Nov 15, 2026

   $0 – $2,500
3. 3. Preliminary Assessment

   Site history review to identify areas of concern. Scoped like a Phase I ESA: $2,200–$4,500 typical in NJ, 2–3 weeks.

   Source: Envicon Group, Phase I ESA Cost in New Jersey (2026)

   Target: Dec 6, 2026

   $2,200 – $6,000
4. 4. Site Investigation

   Soil, groundwater and vapor sampling at each area of concern. NJ Phase II-scale work runs $6,500–$32,500; complex sites cost more.

   Source: Apprais.ai, New Jersey Phase 2 ESA Cost (2026)

   Target: Feb 4, 2027

   $6,500 – $50,000
5. 5. Remediation Certification + funding source

   Lets the sale close while cleanup continues. Includes the detailed remediation cost estimate NJDEP requires for the funding source.

   Target: Mar 6, 2027

   $5,000 – $25,000
6. 6. Remedial Investigation

   Delineate how far contamination extends. Industry-typical range; driven by well count and media.

   Target: Sep 2, 2027

   $50,000 – $250,000
7. 7. Remedial Action

   Excavation, treatment, caps or deed notices. Tank-removal-scale work is priced in the NJDEP UST Fund Cost Guide; larger cleanups vary widely by volume and disposal.

   Source: NJDEP UST Fund Cost Guide (2026)

   Target: Sep 1, 2028

   $150,000 – $1,500,000
8. 8. Response Action Outcome (RAO)

   LSRP certifies the site meets standards.

   Target: Oct 1, 2028

   $5,000 – $15,000