Dennis Building Department | Permits, Inspections & Official Contact

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If you are planning any kind of construction, renovation, addition, deck, fence, roof replacement, pool, or other building work in the Town of Dennis, Massachusetts, you will need a building permit from the Dennis Building Department.

Many homeowners and contractors search for clear answers about how to apply for a building permit in Dennis, what the fees are in 2026, and how to check the status of their application quickly.

This guide explains the entire process in simple language so you can understand what to do, what to expect, and how to avoid common problems that slow things down.

Whether you are a homeowner doing your own work or a contractor handling a larger job, the steps are the same and the goal is to get your permit approved smoothly and on time.

Dennis Building Department Contact Information 2026

  • Address: 685 Route 134, South Dennis, MA 02660
  • Phone: (508) 760-6157
  • Email: Use the online portal or call for specific questions
  • Hours: Monday–Friday, 8:30 AM – 4:30 PM

Official Page: Dennis Building Department

685 Route 134, South Dennis, MA 02660

Official Portal: Dennis Online Permitting Portal (OpenGov)

  1. Go to the Dennis OpenGov portal (public search available).
  2. Search by property address or permit number.
  3. View the current status, approved plans, fees paid, and inspection history.

How to Apply for Dennis Building Permits 2026

Here is the clear step-by-step process that most people follow to get their permit approved as smoothly as possible.

  1. Go to the Dennis OpenGov online permitting portal and create or log into your account.
  2. Start a new application and choose the right permit type for your project.
  3. Enter the full project address and your best estimate of the total construction valuation.
  4. Upload all required drawings, site plans, specifications, and supporting documents.
  5. Pay the required fees online and submit the complete application.
  6. Check your account regularly and reply quickly if the department asks for more information or corrections.
  7. Once approved, display the permit card at the job site before any work begins.
  8. Schedule your inspections through the online portal.

Dennis Building Permit Fees 2026

  • Official Fee Book 2026: Download Current Fee Book
  • New construction (residential): $70 for the first 100 sq. ft. + $0.70 per additional sq. ft.
  • Alterations, renovations, repairs (over 100 sq. ft.): $0.70 per sq. ft.
  • In-ground swimming pools: $150; above-ground: $75.
  • Re-roofing / residing: $60; windows & exterior doors: $60.
  • Demolition of principal buildings: $250.
  • Work started without a permit can result in double fees plus possible fines or a Stop Work Order.

Required Documents Checklist

  • Completed online permit application
  • Detailed construction drawings and specifications
  • Site plan showing existing structures and proposed work
  • Proof of contractor license and insurance
  • Owner-Builder Affidavit if you are doing the work yourself
  • Any required trade permit applications

How to Schedule Inspections in Dennis

Schedule inspections through the OpenGov customer portal. For permits issued under the previous EnerGov system, call (508) 760-6157. Have your approved plans and the permit card ready when the inspector arrives. Re-inspection fees may apply for failed or missed inspections.

Contractor Registration & Owner-Builder

Contractors must hold valid Massachusetts licenses. Homeowners can apply as owner-builders but take full responsibility for code compliance and job safety under the Massachusetts State Building Code.

Local Insider Tips That Really Help

  • All new permit applications are submitted through the OpenGov portal — the system switched in January 2025.
  • Submit complete and clearly labeled drawings the first time to avoid delays in plan review.
  • For older EnerGov permits, call (508) 760-6157 to request inspections.
  • Check the 2026 Fee Book before submitting to avoid unexpected costs.
  • Schedule each inspection as soon as the work stage is finished so you do not lose time waiting.

Frequently Asked Questions

How do I search for existing building permits in Dennis?

Use the public search function in the OpenGov online permitting portal by property address or permit number.

How to apply for a Dennis building permit?

Create an account on the OpenGov portal, select the right permit type, upload your drawings and documents, pay the fees, and submit everything online.

What are the Dennis building permit fees in 2026?

New construction (residential): $70 for the first 100 sq. ft. + $0.70 per additional sq. ft. Alterations/repairs over 100 sq. ft.: $0.70 per sq. ft. Download the full 2026 Fee Book for complete details.

Can I pull my own permit as an owner-builder in Dennis?

Yes. You can apply as an owner-builder, but you must take full responsibility for code compliance and job safety.

How long does it take to get a building permit in Dennis?

Simple projects can be approved in just a few days. More complicated jobs usually take between one and three weeks depending on how complete your submission is.

Official Resources

Updated April 2026 using only official Town of Dennis sources. All new applications are submitted through the OpenGov portal (switched January 2025).

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