🏛️ NH STATE DIRECTORY 1 Active County Hubs

New Hampshire Commercial Permitting Directory

Access official municipal building fee calculators, contractor license bond prerequisites, and plan review turnaround times for all active New Hampshire county jurisdictions.

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Governing Building Code Standard

International Building Code (IBC 2024 / ICC)

Enforces 2024 model building code editions, structural snow/wind load engineering, and IECC commercial energy compliance.

State Regulatory Authority

New Hampshire State Contractor Licensing Board

Contractor license verification and mandatory state bonding thresholds enforced across all New Hampshire county building departments.

⏱️ Plan Check SLAs 3–14 business day initial plan review turnarounds across active county building divisions.

📜 Contractor Bonds Mandatory $10k–$50k surety bond filing required prior to commercial permit release.

📐 Submittal Standards Architectural stamps, COMcheck calculations, and structural load engineering packages.

💵 Valuation Fee Schedules Tiered valuation formulas per $1,000 construction cost plus local plan check surcharges.

New Hampshire County Workstations

Select a county building department to calculate municipal fees & bond rules

1 Verified

Hillsborough County

City of Manchester Planning & Building Dept

Verified 2026

Plan Review SLA: 10 - 14 Business Days

Mandatory Surety Bond: $10,000

COI Coverage Minimum: $1.0M

Launch Hillsborough County Workstation →

Submittal Checklist New Hampshire Plan Submittal Package

Standard Document Requirements for New Hampshire Permits

Before submitting building plans to any county AHJ in New Hampshire, ensure your project package includes the following required documentation:

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Stamped Architectural & Structural Plans Signed and sealed by a licensed New Hampshire architect or professional engineer (PE).

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Energy Compliance Documentation COMcheck or REScheck energy compliance calculations for building envelope & mechanical HVAC.

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Contractor License & Active Surety Bond Verified license status with New Hampshire State Contractor Licensing Board and active $10k–$50k bond certificate.

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Site Plan & Zoning Verification Property line setbacks, parking calculations, and stormwater management compliance.

Statewide Trade Directory New Hampshire Commercial Trade Hubs

New Hampshire Trade Permit Workstation Directories

Access specialized state-wide fee estimators, sub-trade bond rules, and model code requirements for specific commercial trades in New Hampshire:

🏗️ Commercial Building Hub New Hampshire building valuation formulas & plan review rates. ❄️ Mechanical & HVAC Hub New Hampshire tonnage calculations & COMcheck requirements. ⚡ Electrical Systems Hub New Hampshire service amperage fee schedules & NEC codes. 🚿 Plumbing Systems Hub New Hampshire fixture unit rates & water tap rules. 🍳 Restaurant Grease Interceptor New Hampshire FOG sizing & health clearance rules.

Statewide Compliance Hubs New Hampshire Contractor & SLA Directories

New Hampshire License, SLA & Surety Bond Index

Statewide benchmarks ranking plan review turnaround speeds, contractor license surety bond minimums, and valuation fee calculators across New Hampshire:

⏱️ Plan Review SLA Speed Ranking Rank all New Hampshire county building departments by review queue speed. 📜 Contractor Surety Bond Directory New Hampshire state license bond mandates & credit tier premium rates. 📜 General Building License Rules New Hampshire contractor licensing board requirements & COI minimums.

Regulatory Reference

New Hampshire Building Permitting & Code FAQs

Q1: What model building codes are enforced in New Hampshire in 2026?

New Hampshire enforces the International Building Code (IBC 2024 / ICC). Local municipal building departments (AHJs) adopt state amendments and local fee schedules.

Q2: Are contractor license surety bonds required in New Hampshire?

Yes. Most New Hampshire municipalities require commercial contractors to maintain an active license bond ($10,000–$50,000) and general liability insurance prior to permit issuance.