Building Department

The Town of Billerica’s Building Department is responsible for the review, inspection and permitting of new construction and/or alterations to any structures within the Town.

In addition, the Building Department is charged with the enforcement of Town Zoning By-Laws as set forth in the Zoning By-Laws.

For information regarding permitting, please contact the office or one of the inspectors directly.  You may also read and get answers to our most Frequently Asked Questions.

If you are a business owner in Town, or are thinking about bringing your business to Billerica, we suggest visiting the Economic Development pages of the Town’s website and contacting the Planning and Community Development Department.

When is a building permit required?

A building permit is required to construct, reconstruct, alter, repair, remove, or demolish any 1 and 2 family dwelling or accessory structure (including swimming pools, earth migration, etc.).

Where do I get a copy of my certified plot plan?

• A copy should have been received at the time of your closing.
• Your bank that holds your mortgage may have a copy.
• If previous work was done to your home, the Building Department or Engineering Department may have one.
• Last resort – you may have to call a land surveyor to obtain a new one

Can a homeowner pull their own building permit?

Yes, only once a homeowners exemption form is pulled, stating that you meet the definition of a homeowner.

Can a homeowner pull their own electrical permit?

No, only a Massachusetts licensed electrician can obtain an electrical permit.

Can a homeowner pull their own plumbing and gas permits?

No. A person must be licensed by the Commonwealth of Massachusetts to perform plumbing and/or gas work.

How do I obtain a variance and/or special permit if one is needed?

A letter of intent must be submitted with a complete detailed description of work to be proposed (please contact the Building Inspector to see if plans and/or a certified plot plan may be required with submittal.)

When is a plot plan required?

If any structure / living space is added to the property.

What can I do about building setbacks?

You will need to stop by the Building Department and speak to a Building Inspector. You will need to bring a copy of your certified plot plan and any other information pertaining to that lot (e.g., deed of property) for a proper determination to be made.

Are in-law apartments allowed?

In-law apartments are only allowed by special permit by the Zoning Board of Appeals. If the board approves the in-law apartment, the special permit goes with the owner who applied, not the property.

What is the procedure for starting a new business in town?

You must first come into the Building Department and fill out a business use approval form to verify that the intended business is approved for that zoning district.

What is required to put a shed on my property?

Permits are required to construct a shed on a property. Any shed with a gross square footage of 100 or less may be placed in the side or rear yard of a lot with a 7’6” side set-back and 10’ rear set back. Shed with a gross square footage over 100 square feet require a 15’ side set-back and 20’ rear set back.