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§ 02
When a permit is required
Permit triggers and exempt work for Laconia
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.
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
- Exempt Sheds under 150 square feet (no permit required)
- Exempt Exterior replacements (siding, roofing, windows) -- application required but no fee charged
- Exempt Routine maintenance or repair
- Exempt Interior upgrades under $1,000 fair market value
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.
§ 03
Application process
Typical processing: Up to 15 business days
- 01 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.
- 02 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.
- 03 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.
- 04 Contractors and electricians applying online must obtain a PIN from Code Enforcement at (603) 527-1293 or codeenforcement@laconianh.gov.
- 05 Note: Structures 50 years old or more and 700 square feet or larger require Heritage Commission review before permit issuance.
- 06 Processing time: Up to 15 business days.
- 07 Pay permit fees online (2.95% + $0.50 per transaction credit card fee applies) or in person.
- 08 Schedule required inspections through Code Enforcement.
- 09 A Certificate of Occupancy is required before occupancy of new or substantially modified structures.
Typical processing time: Up to 15 business days
§ 04
Fee schedule
Laconia building permit fees
Fee type
Amount
01
Minimum permit fee
$50
02
Plan check fee
Included in application review fee
03
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)
04
Trade permit fee
Electrical permits (residential): $75-$125; Electrical permits (commercial): $50-$100+
05
Penalty (no permit)
Permit fee doubled for work commenced without required permit
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 periodically. Confirm at the official fee schedule ↗ before budgeting.
§ 05
Required inspections
Scheduling and sequence
How to schedule
- (603) 527-1293 (phone)
- codeenforcement@laconianh.gov (email)
- Inspection hours
- Monday-Friday, 8:30 AM-4:30 PM
§ 06
Frequently asked
Common questions about Laconia permits
01 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.
02 How much does a building permit cost in Laconia, NH? ▸
Building permit fees in Laconia, NH are set by the local building department and vary by project type and valuation. 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.
03 How do I apply for a building permit in Laconia, NH? ▸
To apply for a building permit in Laconia, NH, follow these steps: 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.
04 How long does it take to get a building permit in Laconia, NH? ▸
Building permit processing times in Laconia, NH typically run Up to 15 business days. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in Laconia, NH? ▸
Not all construction work requires a permit 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. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in Laconia, NH? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in Laconia, NH via: (603) 527-1293, codeenforcement@laconianh.gov.
last verified April 2026
source Code Enforcement / Building Department ↗
entry id permits/new-hampshire/belknap/laconia
Educational reference. Permit rules and fees change — confirm current requirements directly with Code Enforcement / Building Department before applying. Jaspector is not legal advice.