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New Jersey builders risk: coastal sites and the work schedule

New Jersey’s coastal agency describes coastal flooding, storm surge, erosion and hurricanes as risks to shoreline development. For projects disturbing an acre or more, the state’s construction-stormwater program also calls for a 5G3 authorization and a separate erosion-control plan certification. Give the broker the actual site, work phase and material-storage locations; those public rules do not determine policy coverage. 1,2

What Is Builders Risk?

Builders risk protects the project you are building, including materials meant for it, against physical loss until construction ends. The gaps that cost owners money are materials in storage or transit, the existing building in a renovation, and coverage ending when you occupy early. Read the national Builders risk guide.

What to Watch for in New Jersey

  • Coastal location

    New Jersey DEP identifies flooding, storm surge, episodic and chronic erosion, and hurricanes among coastal hazards, and notes that residential construction and reconstruction continue in hazardous areas. If the site is coastal, include its exact location and current stage in the quote discussion; ask how the offered terms treat flood, wind and named-storm loss. 1

  • Disturbance and permit phase

    For clearing, grading or excavation disturbing one acre or more, the described NJDEP program requires 5G3 construction-stormwater authorization in addition to Soil Erosion and Sediment Control Plan certification through the local Soil Conservation District. Tell the broker whether site work has started and which entity controls the site. 2

  • Materials near the shore

    The coastal source describes hazards affecting property and shoreline features, not insurance terms. List where project materials are kept before installation and ask whether off-site storage, transit and coastal-site property are addressed separately in the proposed wording. 1

Who Regulates Insurance in New Jersey

New Jersey Department of Banking and Insurance

New Jersey DOBI licenses insurers and producers, reviews insurance products and rates, monitors insurer solvency and responds to insurance complaints. The Property and Casualty unit regulates commercial and personal property and casualty rates, rules and forms. 3,4,5,6

Surplus-lines tax and stamping office

Reported tax rate: 5% of gross premium, less return premium New Jersey’s Department of Banking and Insurance states a 5% surplus-lines tax for policies effective on or after July 1, 2009; its FAQ also describes direct-procurement tax filing for premium allocated to New Jersey. A New Jersey surplus-lines producer generally must make a diligent effort to place the risk with authorized insurers, subject to the exportable-list and other statutory exceptions. New Jersey’s separate surplus-lines guaranty fund has narrow coverage; ordinary commercial surplus-lines claims are generally outside guaranty protection. 7,8,9

Providers With Documented State Licenses

No provider in Spot’s research documents both a state license record and this coverage line. This does not establish that providers are unlicensed. Check the regulator’s license lookup and confirm availability with a provider when requesting a quote.

Questions to Ask Before You Buy in New Jersey

  1. Is the site within New Jersey’s coastal zone, and what flood, wind or named-storm terms apply to this address?
  2. Who is the stormwater permit operator and Soil Conservation District applicant, and what is the actual start date for site work?
  3. Which project materials are stored off site or in transit, and what limits, locations and conditions apply to each?
  4. What event ends builders risk if coastal work pauses, finishes in phases or the owner begins using part of the building?

Builders Risk in New Jersey: FAQ

Does New Jersey’s coastal hazard information establish what a builders-risk policy covers? 1

No. It identifies hazards affecting coastal areas; coverage depends on the quote and policy wording. Ask the broker how the proposed terms address flood, wind, named storms and the project’s location. 1

Does every New Jersey construction project need a 5G3 authorization? 2

The cited state program says the one-acre threshold applies to construction activities including clearing, grading and excavation, and calls for separate local erosion-control-plan certification. Confirm the current requirements for the project and its jurisdiction. 2

Builders Risk in Other States

Other Coverage in New Jersey

Sources

  1. Coastal Hazards of New Jersey. New Jersey Department of Environmental Protection, Coastal Management Program; Sections “The Nature of Coastal Hazards” and “Catastrophic Hazards,” paragraphs describing flooding, storm surge, erosion, hurricanes and development in hazardous areas. Accessed 2026-09-28.
  2. NJDEP Construction Stormwater Permit Phase II. New Jersey Department of Agriculture, Natural Resources Conservation Program (summarizing NJDEP program); Section “NJDEP Construction Stormwater Permit Phase II”: one-acre disturbance threshold, 5G3 authorization and separate Soil Erosion and Sediment Control Plan certification. Accessed 2026-09-28.
  3. New Jersey Department of Banking and Insurance. New Jersey Department of Banking and Insurance; Official regulator homepage. Accessed 2026-09-28.
  4. Division of Insurance. New Jersey Department of Banking and Insurance; States that Division issues insurer/producer licenses, reviews products and rates, monitors solvency and responds to consumer concerns. Accessed 2026-09-28.
  5. Insurance Licensing and Education. New Jersey Department of Banking and Insurance; Official producer licensing page links to NJDOBI Licensee Search and SBS Licensee Search. Accessed 2026-09-28.
  6. Consumer Information. New Jersey Department of Banking and Insurance; Official consumer assistance/complaints destination; DOBI hotline 800-446-7467. Accessed 2026-09-28.
  7. Surplus Lines FAQs. New Jersey Department of Banking and Insurance; Current DOBI FAQ states 5% on policies effective on/after July 1, 2009 and identifies direct-procurement filing when NJ receives an out-of-state surplus-lines premium allocation. Accessed 2026-09-28.
  8. N.J.A.C. 11:1-33.3, Surplus Lines Procurement Requirements. New Jersey Department of Banking and Insurance; Rule requires diligent effort to place with authorized insurer except coverages on Exportable List. Accessed 2026-09-28.
  9. Surplus Lines Tax Q&A. New Jersey Department of Banking and Insurance; DOBI FAQ states Surplus Lines Guaranty Fund covers medical malpractice liability and property covering owner-occupied dwellings under four units; this is narrow and not ordinary business coverage. Accessed 2026-09-28.
  10. Licenses. At-Bay; Current producer introduction and state table; At-Bay Insurance Services LLC; P&C and surplus-lines identifiers. Accessed 2026-09-21.
  11. Licenses and Carriers. Coalition; Licenses and Carriers, re-read 22 September 2026: Insurance Licenses table for Coalition Insurance Solutions, Inc., national producer number 18419475, with producer and surplus-lines numbers for all 50 states and DC including California 0L76155, Georgia 196479, Texas 2199630 and 2205589, Pennsylvania 815731 and 817452, Colorado 539028 and Wisconsin 3000108852. Insurance Carriers table naming, with NAIC numbers, Allianz Underwriters Insurance Company 36420, Arch Specialty Insurance Company 21199, Ascot Specialty Insurance Company 45055, Ascot Insurance Company 23752, Aspen Specialty Insurance Company 10717, Chaucer Insurance Company DAC, Coalition Insurance Company 29530, Fireman's Fund Indemnity Corporation 11380, Fortegra Specialty Insurance Company 16823, Lloyd's of London, MSIG Specialty Insurance USA Inc. 34886, MS Transverse Specialty Insurance Company 41807, Steadfast Insurance Company 26387, Vantage Risk Specialty Insurance Company 16275 and Zurich American Insurance Company 16535. Accessed 2026-09-22.
  12. Insurance Producer Licenses. Corgi Insurance; Current complete Insurance Producer Licenses table for Corgi Insurance Services, Inc.; 50 rows covering 49 states and DC (DC 3003091619); no New Mexico row; no NPN or as-of date shown. Accessed 2026-09-28.
  13. About Hiscox US Insurance. Hiscox; Hiscox Insurance Company Inc. NAIC 10200 as Chicago, IL domiciled insurer admitted or licensed in all 50 states and D.C.; Hiscox Inc. as general agent and Lloyd’s coverholder for Syndicates 33 and 3624; surplus-lines placements through licensed surplus-lines brokers; A.M. Best rating statement. Accessed 2026-09-16.
  14. Licenses. ERGO NEXT Insurance; Current entity-by-state license table reopened 28 September 2026: 50 rows under Next First Insurance Agency, Inc., including Washington, DC; New York rows instead list Next Insurance Services PC-1423070 and AP Intego BR-1198885. Accessed 2026-09-28.
  15. About Risklytics. Risklytics; What we do; Who we insure; Licensing; Agency licenses table dated 2026-09-10. Accessed 2026-09-16.
  16. Insurance Licenses by State. TechInsurance; Current state table; identifies TechInsurance as a division of Specialty Program Group LLC d/b/a SPG Insurance Solutions; lists DC 3000041536 and labels Rhode Island “Individual licenses,” without an agency license number. Accessed 2026-09-28.
  17. Licenses. Vouch; Effective 16 January 2025: Vouch Specialty Insurance Services, LLC, NPN 19926463; P&C table (50 states and DC); surplus-lines table includes Idaho 870820; footnote says Georgia and Idaho do not issue agency-level surplus-lines licenses; Idaho retained as producer-only due to conflict. Accessed 2026-09-15.

Updated .

This guide is informational and does not determine whether a policy is available or meets your needs. Editorial policy. To suggest a correction, contact Spot with a supporting source.

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