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§ 02
When a permit is required
Permit triggers and exempt work for Chelsea
A building permit is required for any construction, alteration, demolition, repair affecting structure, installation of building systems, or change of occupancy within the City of Chelsea.
One-story detached accessory structures (sheds, playhouses) not exceeding 120 square feet without electrical, plumbing, or mechanical utilities
Fences not exceeding 7 feet in height
Retaining walls not over 4 feet in height measured from footing bottom to wall top, not supporting a surcharge
Ground-supported water tanks under 5,000 gallons with height-to-diameter ratio not exceeding 2:1
Sidewalks and driveways not more than 30 inches above adjacent grade and not over a basement
Painting, wallpapering, tiling, carpeting, cabinets, countertops, and similar finish work
Temporary motion picture, television, and theater stage sets and scenery
Prefabricated swimming pools under 24 inches deep and under 5,000 gallons, accessory to residential use
Agricultural nursery cloth shade structures without service systems
Swings and playground equipment accessory to detached 1-2 family dwellings
Window awnings on Group R-3 and U occupancies projecting not more than 54 inches
Non-fixed and movable fixtures, cases, racks, counters, and partitions not over 5 feet 9 inches in height
Greenhouses covered exclusively with plastic film
Ordinary repairs not affecting structure, egress, fire protection, fire ratings, energy conservation, plumbing, sanitary, gas, electrical, or other utilities
- Exempt One-story detached accessory structures (sheds, playhouses) not exceeding 120 square feet without electrical, plumbing, or mechanical utilities
- Exempt Fences not exceeding 7 feet in height
- Exempt Retaining walls not over 4 feet in height measured from footing bottom to wall top, not supporting a surcharge
- Exempt Ground-supported water tanks under 5,000 gallons with height-to-diameter ratio not exceeding 2:1
- Exempt Sidewalks and driveways not more than 30 inches above adjacent grade and not over a basement
- Exempt Painting, wallpapering, tiling, carpeting, cabinets, countertops, and similar finish work
- Exempt Temporary motion picture, television, and theater stage sets and scenery
- Exempt Prefabricated swimming pools under 24 inches deep and under 5,000 gallons, accessory to residential use
- Exempt Agricultural nursery cloth shade structures without service systems
- Exempt Swings and playground equipment accessory to detached 1-2 family dwellings
- Exempt Window awnings on Group R-3 and U occupancies projecting not more than 54 inches
- Exempt Non-fixed and movable fixtures, cases, racks, counters, and partitions not over 5 feet 9 inches in height
- Exempt Greenhouses covered exclusively with plastic film
- Exempt Ordinary repairs not affecting structure, egress, fire protection, fire ratings, energy conservation, plumbing, sanitary, gas, electrical, or other utilities
Note: Even when a building permit is not required, plumbing, electrical, gas, and mechanical work may still require trade-specific permits. Confirm exempt status with the Building Inspector.
Required documents
- Completed permit application
- Scope of work description
- Construction cost estimate
- Valid Massachusetts Construction Supervisor License (CSL) or homeowner waiver
- Workers' Compensation Affidavit
- Construction plans stamped by MA-licensed architect or engineer for structural work
- Any other documents required by the Building Inspector
- Building code
- 780 CMR 9th Edition (2015 International Building Code with Massachusetts amendments)
- Permit validity
- Applicant must work to begin within six months of permit issuance.
- Owner-builder
- Homeowner exemption applies to owners of 1-2 family owner-occupied dwellings. Homeowners must provide the Homeowner Waiver and Worker's Compensation Affidavit.
- Contractor requirements
- Contractors must hold a valid Massachusetts Construction Supervisor License (CSL) for structures under 35,000 cubic feet. Plumbing, gas, and electrical work always requires a licensed trade contractor.
§ 03
Application process
Typical processing: Varies based on application complexity and any required zoning review. Simple permits typically process within 1-2 weeks.
- 01 Register an account at permiteyes.us/chelsea (online) or submit application in person at 500 Broadway, 1st Floor kiosk.
- 02 Complete and submit the permit application with required scope of work and cost estimate.
- 03 An inspector reviews the application for zoning and code compliance.
- 04 Applications are placed in 'preliminary stage' until reviewed; approval and fee payment instructions are sent by email.
- 05 Pay permit fee online or as directed.
- 06 Permit is issued upon payment.
- 07 Post permit at job site before work begins.
- 08 Request inspections at required construction stages.
- 09 For new construction or change of occupancy, apply for Certificate of Occupancy before occupying space.
- 10 Note: Complex projects requiring zoning relief must go through the Chelsea Zoning Board of Appeals.
Typical processing time: Varies based on application complexity and any required zoning review. Simple permits typically process within 1-2 weeks.
§ 04
Fee schedule
Effective Current fee schedule available through portal; specific rates vary
Fee type
Amount
01
Minimum permit fee
Not publicly specified; contact ISD
02
Permit fee formula
Based on estimated construction cost; typical Massachusetts municipalities charge $10-$15 per $1,000. Verify current Chelsea rates directly with ISD.
03
Trade permit fee
Electrical, plumbing, and gas permits have separate fees; exact amounts available through PermitEyes or by contacting ISD.
04
Penalty (no permit)
Double permit fees apply for work performed without a permit.
Payment accepted online through PermitEyes or by contacting ISD for alternative payment methods.
§ 05
Required inspections
Scheduling and sequence
How to schedule
- 617-466-4140 (Building Inspector) (phone)
- PermitEyes portal (online)
- Scheduling deadline
- Contact the Building Inspector as needed to schedule inspections.
- Inspection hours
- Monday, Wednesday, Thursday: 8:00 a.m. to 4:00 p.m.; Tuesday: 8:00 a.m. to 7:00 p.m.; Friday: 8:00 a.m. to 12:00 p.m.
Typical sequence: Typical sequence for major work: foundation, framing, mechanical rough-ins (electrical, plumbing, HVAC before covering), and final inspection.
§ 06
Frequently asked
Common questions about Chelsea permits
01 Do I need a building permit in Chelsea, MA? ▸
A building permit is required for any construction, alteration, demolition, repair affecting structure, installation of building systems, or change of occupancy within the City of Chelsea.
02 How much does a building permit cost in Chelsea, MA? ▸
Building permit fees in Chelsea, MA are set by the local building department and vary by project type and valuation. The minimum permit fee is Not publicly specified; contact ISD. Fees are calculated as: Based on estimated construction cost; typical Massachusetts municipalities charge $10-$15 per $1,000. Verify current Chelsea rates directly with ISD..
03 How do I apply for a building permit in Chelsea, MA? ▸
To apply for a building permit in Chelsea, MA, follow these steps: 1. Register an account at permiteyes.us/chelsea (online) or submit application in person at 500 Broadway, 1st Floor kiosk. 2. Complete and submit the permit application with required scope of work and cost estimate. 3. An inspector reviews the application for zoning and code compliance. 4. Applications are placed in 'preliminary stage' until reviewed; approval and fee payment instructions are sent by email. 5. Pay permit fee online or as directed. 6. Permit is issued upon payment. 7. Post permit at job site before work begins. 8. Request inspections at required construction stages. 9. For new construction or change of occupancy, apply for Certificate of Occupancy before occupying space. 10. Note: Complex projects requiring zoning relief must go through the Chelsea Zoning Board of Appeals.
04 How long does it take to get a building permit in Chelsea, MA? ▸
Building permit processing times in Chelsea, MA typically run Varies based on application complexity and any required zoning review. Simple permits typically process within 1-2 weeks.. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in Chelsea, MA? ▸
Not all construction work requires a permit in Chelsea, MA. The following work is generally exempt: One-story detached accessory structures (sheds, playhouses) not exceeding 120 square feet without electrical, plumbing, or mechanical utilities; Fences not exceeding 7 feet in height; Retaining walls not over 4 feet in height measured from footing bottom to wall top, not supporting a surcharge; Ground-supported water tanks under 5,000 gallons with height-to-diameter ratio not exceeding 2:1; Sidewalks and driveways not more than 30 inches above adjacent grade and not over a basement; Painting, wallpapering, tiling, carpeting, cabinets, countertops, and similar finish work; Temporary motion picture, television, and theater stage sets and scenery; Prefabricated swimming pools under 24 inches deep and under 5,000 gallons, accessory to residential use; Agricultural nursery cloth shade structures without service systems; Swings and playground equipment accessory to detached 1-2 family dwellings; Window awnings on Group R-3 and U occupancies projecting not more than 54 inches; Non-fixed and movable fixtures, cases, racks, counters, and partitions not over 5 feet 9 inches in height; Greenhouses covered exclusively with plastic film; Ordinary repairs not affecting structure, egress, fire protection, fire ratings, energy conservation, plumbing, sanitary, gas, electrical, or other utilities. Note: Even when a building permit is not required, plumbing, electrical, gas, and mechanical work may still require trade-specific permits. Confirm exempt status with the Building Inspector. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in Chelsea, MA? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in Chelsea, MA via: 617-466-4140 (Building Inspector), PermitEyes portal. Contact the Building Inspector as needed to schedule inspections..
last verified April 2026
source Inspectional Services Department (ISD) ↗
entry id permits/massachusetts/suffolk/chelsea
Educational reference. Permit rules and fees change — confirm current requirements directly with Inspectional Services Department (ISD) before applying. Jaspector is not legal advice.