How much does a building permit cost in Laconia, NH?

The minimum permit fee is $50. Fees are calculated as: Residential (One/Two Family) - New Building: Application review fee $100 + permit fee $0.15 per square foot; Additions or Alterations: Application review fee $100 + permit fee $0.15 per sq ft (minimum $50); Garages, Decks, Pools, Accessory Structures: Application review fee $50 + permit fee $0.15 per sq ft; Commercial/Multi-Family projects over 1,000 sq ft: Application fee $300 + permit fee $0.20 per sq ft; Under 1,000 sq ft: Application fee $100 + permit fee $0.20 per sq ft (minimum $100). Plan check fee: Included in application review fee.

How do I apply for a building permit in Laconia, NH?

1. Determine the permit type required (Major Building Permit, Minor Building Permit, Electrical, Demolition, Certificate of Occupancy, etc.) using the permit requirement guide on the Code Enforcement department page. 2. Note: Interior renovations over $1,000 of fair market value (such as updating or replacing cabinetry, lighting or faucet fixtures, flooring, etc.) require a Minor Building Permit. 3. Submit application online via BSA Online at bsaonline.com, or download the applicable form from https://www.laconianh.gov/326/Application-Forms and submit in person or by mail to 45 Beacon Street E. 4. Contractors and electricians applying online must obtain a PIN from Code Enforcement at (603) 527-1293 or codeenforcement@laconianh.gov. 5. Note: Structures 50 years old or more and 700 square feet or larger require Heritage Commission review before permit issuance. 6. Processing time: Up to 15 business days. 7. Pay permit fees online (2.95% + $0.50 per transaction credit card fee applies) or in person. 8. Schedule required inspections through Code Enforcement. 9. A Certificate of Occupancy is required before occupancy of new or substantially modified structures.

How long does it take to get a building permit in Laconia, NH?

Typical processing time is Up to 15 business days.

What work is exempt from building permits in Laconia, NH?

The following work is generally exempt: Sheds under 150 square feet (no permit required); Exterior replacements (siding, roofing, windows) -- application required but no fee charged; Routine maintenance or repair; Interior upgrades under $1,000 fair market value.

How do I schedule a building inspection in Laconia, NH?

Inspections can be scheduled via: (603) 527-1293, codeenforcement@laconianh.gov.

City Building Permits

Laconia, NH - 2026 Building Permit Guide

How to apply for a building permit in Laconia, New Hampshire. Permit authority, application steps, fees, and inspection requirements.

New Hampshire Belknap County Updated March 2026

Permit Authority

Laconia is the county seat and the only city in Belknap County. It has a full-service Code Enforcement / Building Department that issues building permits, electrical permits, demolition permits, and Certificates of Occupancy. Trade permits (plumbing, driveway, excavation) are issued by the Department of Public Works at (603) 528-6379. Fire-related permits (gas, oil, fire alarm, sprinkler) are issued by the Fire Department at (603) 524-6881. Sign and site development permits are issued by Planning/Zoning at (603) 527-1264.

Department: Code Enforcement / Building Department
Address: 45 Beacon Street E, City Hall, Laconia, NH 03246
Phone: (603) 527-1293
Email: codeenforcement@laconianh.gov
Website: https://www.laconianh.gov/314/Code-Enforcement-Building

Online Permit Portal

Open BSA Online

Platform: BSA Online • Account required: Yes • Submission: Online only

Additional resources:

Application Process

Determine the permit type required (Major Building Permit, Minor Building Permit, Electrical, Demolition, Certificate of Occupancy, etc.) using the permit requirement guide on the Code Enforcement department page.
Note: Interior renovations over $1,000 of fair market value (such as updating or replacing cabinetry, lighting or faucet fixtures, flooring, etc.) require a Minor Building Permit.
Submit application online via BSA Online at bsaonline.com, or download the applicable form from https://www.laconianh.gov/326/Application-Forms and submit in person or by mail to 45 Beacon Street E.
Contractors and electricians applying online must obtain a PIN from Code Enforcement at (603) 527-1293 or codeenforcement@laconianh.gov.
Note: Structures 50 years old or more and 700 square feet or larger require Heritage Commission review before permit issuance.
Processing time: Up to 15 business days.
Pay permit fees online (2.95% + $0.50 per transaction credit card fee applies) or in person.
Schedule required inspections through Code Enforcement.
A Certificate of Occupancy is required before occupancy of new or substantially modified structures.

Typical processing time: Up to 15 business days

Source: Code Enforcement / Building Department

General Requirements

New buildings (residential and commercial); additions; alterations; decks; pools; generators; solar installations; demolitions; change of use or change of business. Interior renovations over $1,000 fair market value require a Minor Building Permit.

Required Documents

Major or Minor Building Permit Application (downloadable from laconianh.gov/326)
Site/plot plan
Construction drawings as required by project scope
Applicable state agency approvals

Building code: Laconia has adopted 2018 IBC, 2018 IRC, 2018 IECC, 2018 IPMC, and 2017 NEC (NFPA 70). Note: Confirm current editions with the department given the July 2024 NH state update to 2021 editions.
Contractor requirements: State-licensed electricians (RSA 319-C) and plumbers (RSA 329-A). For Class VI roads, application to Build on Private & Class VI Roads required.

Fees

Minimum permit fee: $50
Plan check fee: Included in application review fee
Permit fee formula: Residential (One/Two Family) - New Building: Application review fee $100 + permit fee $0.15 per square foot; Additions or Alterations: Application review fee $100 + permit fee $0.15 per sq ft (minimum $50); Garages, Decks, Pools, Accessory Structures: Application review fee $50 + permit fee $0.15 per sq ft; Commercial/Multi-Family projects over 1,000 sq ft: Application fee $300 + permit fee $0.20 per sq ft; Under 1,000 sq ft: Application fee $100 + permit fee $0.20 per sq ft (minimum $100)
Trade permit fee: Electrical permits (residential): $75-$125; Electrical permits (commercial): $50-$100+
Penalty (no permit): Permit fee doubled for work commenced without required permit
Payment note: Online credit card payments via BSA Online incur a 2.95% + $0.50 per transaction fee; in-person payment available at City Hall

Fees change. Verify current amounts at the official fee schedule.

Work That Does NOT Require a Permit

Sheds under 150 square feet (no permit required)
Exterior replacements (siding, roofing, windows) -- application required but no fee charged
Routine maintenance or repair
Interior upgrades under $1,000 fair market value

Inspections

How to Schedule

(603) 527-1293 (phone)
codeenforcement@laconianh.gov (email)

Inspection hours: Monday-Friday, 8:30 AM-4:30 PM

Additional Resources

Building code: Laconia has adopted 2018 IBC, 2018 IRC, 2018 IECC, 2018 IPMC, and 2017 NEC (NFPA 70). Note: Confirm current editions with the department given the July 2024 NH state update to 2021 editions.
Zoning information: View zoning info
All Permit Applications
Application Process
Planning
License lookup guide: New Hampshire Contractor License Requirements
Contract template: New Hampshire Homeowner-Contractor Agreement
New Hampshire hub: New Hampshire Contractor License & Permit Hub

Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Code Enforcement / Building Department before applying.

Frequently Asked Questions

Laconia Building Permit FAQ

Do I need a building permit in Laconia, NH?: New buildings (residential and commercial); additions; alterations; decks; pools; generators; solar installations; demolitions; change of use or change of business. Interior renovations over $1,000 fair market value require a Minor Building Permit.
How much does a building permit cost in Laconia, NH?: The minimum permit fee is $50. Fees are calculated as: Residential (One/Two Family) - New Building: Application review fee $100 + permit fee $0.15 per square foot; Additions or Alterations: Application review fee $100 + permit fee $0.15 per sq ft (minimum $50); Garages, Decks, Pools, Accessory Structures: Application review fee $50 + permit fee $0.15 per sq ft; Commercial/Multi-Family projects over 1,000 sq ft: Application fee $300 + permit fee $0.20 per sq ft; Under 1,000 sq ft: Application fee $100 + permit fee $0.20 per sq ft (minimum $100). Plan check fee: Included in application review fee.
How do I apply for a building permit in Laconia, NH?: 1. Determine the permit type required (Major Building Permit, Minor Building Permit, Electrical, Demolition, Certificate of Occupancy, etc.) using the permit requirement guide on the Code Enforcement department page. 2. Note: Interior renovations over $1,000 of fair market value (such as updating or replacing cabinetry, lighting or faucet fixtures, flooring, etc.) require a Minor Building Permit. 3. Submit application online via BSA Online at bsaonline.com, or download the applicable form from https://www.laconianh.gov/326/Application-Forms and submit in person or by mail to 45 Beacon Street E. 4. Contractors and electricians applying online must obtain a PIN from Code Enforcement at (603) 527-1293 or codeenforcement@laconianh.gov. 5. Note: Structures 50 years old or more and 700 square feet or larger require Heritage Commission review before permit issuance. 6. Processing time: Up to 15 business days. 7. Pay permit fees online (2.95% + $0.50 per transaction credit card fee applies) or in person. 8. Schedule required inspections through Code Enforcement. 9. A Certificate of Occupancy is required before occupancy of new or substantially modified structures.
How long does it take to get a building permit in Laconia, NH?: Typical processing time is Up to 15 business days.
What work is exempt from building permits in Laconia, NH?: The following work is generally exempt: Sheds under 150 square feet (no permit required); Exterior replacements (siding, roofing, windows) -- application required but no fee charged; Routine maintenance or repair; Interior upgrades under $1,000 fair market value.
How do I schedule a building inspection in Laconia, NH?: Inspections can be scheduled via: (603) 527-1293, codeenforcement@laconianh.gov.

Need help with your project?

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Important: This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authority listed above. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.

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