New Hampshire Below-Grade Waterproofing & Dampproofing Contractor

No, New Hampshire does not issue a centralized statewide waterproofing contractor license. Instead, contractor licensing, competency examinations, surety bonds, and permit authorizations are delegated to municipal building inspection departments (such as City of Manchester Building Department, City of Nashua Building Safety, City of Concord). Contractors must register with each city or county building department where projects are located and comply with local building codes before pulling permits.

Below-Grade Waterproofing & Dampproofing Contractor installations in New Hampshire must strictly adhere to the OSHA 1926 Subpart M Fall Protection & ASTM / TAS 100 Wind Uplift Standards as adopted by local municipal jurisdictions. In addition, all completed work and materials must satisfy NRCA low-slope and steep-slope specifications, UL 790 Class A fire ratings, and FM Global wind uplift ratings to pass municipal building inspection.

Waterproofing Contractors in New Hampshire typically must maintain a minimum of $1,000,000 Each Occurrence / $2,000,000 General Aggregate in commercial general liability insurance. Under New Hampshire statutory rules and General Contractor (GC) bid standards, policies must cover bodily injury, property damage, and completed operations to secure jobsite clearance.

A New Hampshire waterproofing contractor license bond costs between $180 and $270 per year for contractors with standard credit, satisfying the statutory $10,000 - $25,000 bond requirement. High-risk credit profiles range from $324 to $450 annually. Premium rates are calculated as a percentage of the total bond penal sum.

Yes, proof of active workers' compensation insurance is required for construction employers in New Hampshire. Under N.H. Rev. Stat. Ann. § 281-A:2 & § 281-A:5, coverage is mandatory for all employers with 1+ employees (full-time or part-time). General Contractors and municipal building inspectors mandate a Certificate of Insurance (COI) prior to jobsite access. Sole proprietors with 0 employees: Sole proprietors with 0 employees exempt under RSA 281-A:2(VI); commercial GCs require Certificate of Insurance or signed exemption.

Because New Hampshire delegates waterproofing contractor licensing to municipal jurisdictions rather than issuing a centralized statewide license, statewide exam reciprocity agreements do not exist for this trade. Licensure and permit authorization are handled locally by municipal building departments (such as City of Manchester Building Department, City of Nashua Building Safety, City of Concord) rather than through statewide reciprocity. Many cities evaluate ICC certification or previous jurisdiction credentials, but registration and bonding must be satisfied individually with each municipal building authority.