Waltham, MA · Middlesex County

Affidavit for Final Cost of Construction

This affidavit reports the final cost of construction, including related work, for a building permit; the owner or the owner’s authorized agent completes and swears to it for the Waltham Building Department.

Simple form~10 min to notarize
  • licensed online notary
  • ~15 min average
  • Notarized PDF emailed

What you’ll need

  • Government-issued photo ID
  • Webcam-enabled device (laptop or phone)
  • This form, ready to upload as a PDF

What this form is

The affidavit states the total final construction cost for the building and asks the owner or authorized agent to swear that the information is true and correct. It includes related work done concurrently or beyond the original permit scope, while excluding furnishings and portable equipment. Use the form to report final costs for building-permit valuation; the Building Department section provides space for final-cost review, fee calculations, and inspector approval.

Who needs it

The building owner or the owner’s authorized agent completes this affidavit to report the final construction cost for the building identified on the form.

Why it needs a notary

The form has an oath and jurat block stating the signer personally appeared and swore the statement is true; the owner or authorized agent signs before the notary.

How to get this notarized

  1. 1

    Download the Affidavit

    Get the Affidavit for Final Cost of Construction from the City of Waltham.

  2. 2

    Fill In the Form

    Provide the building location, final construction cost, and owner or authorized-agent information.

  3. 3

    Book an Online Notary

    Schedule a session with a commissioned online notary who can administer the oath.

  4. 4

    Sign on Video

    Appear online and sign the affidavit under oath when directed by the notary.

  5. 5

    Submit to the City

    Send the completed affidavit to the Waltham Building Department for its review.

Preview the form

The blank PDF straight from Waltham. Look it over, then upload your filled copy to start the notary session.

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Info

You’ll need ID and a webcam.

A licensed online notary will join you on video, verify your government-issued ID, witness your signature, and apply their seal. You’ll receive the notarized PDF by email when the session ends.

Frequently asked questions

How do I complete the final-cost affidavit?
Enter the building address and final construction cost, complete the owner or authorized-agent statement, and sign under oath before a notary. Submit the completed form to the Waltham Building Department.
Do I need to include all project costs?
The form includes concurrent work and extra work beyond the original scope, such as demolition, plumbing, and landscaping. It says furnishings and portable equipment are not part of total construction costs.
Can I sign this affidavit with an online notary?
Massachusetts permanently authorized remote online notarization for its notaries effective January 1, 2024, under G.L. c. 222, §§27–29. A commissioned online notary can administer the oath during an online session.
Where should I submit the completed form?
The form identifies the Waltham Building Department and includes sections for final-cost review, fee calculations, and inspector approval. Confirm with the city or town clerk if unsure.

Affidavit for Final Cost of Construction in other Massachusetts cities

Each city publishes its own version of this form. Pick the city where you’re filing.

Ready to notarize your Affidavit for Final Cost of Construction?

Drop your email below — we’ll hand you straight to a licensed notary in the next session.