White Plains, NY · Westchester County
Affidavit of Cost
This affidavit reports the actual cost of permitted construction, alteration, or an addition, and is completed by the owner, tenant, or leaseholder named in connection with the work.
- 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 of Cost records the actual cost of work associated with a building permit, including whether the work is an addition, alteration, or new building. It defines which services, labor, materials, equipment, and installations count toward cost, and excludes certain items primarily for appearance or embellishment that are not necessary for safe and lawful use. The owner, tenant, or leaseholder swears to the stated amount before a notary.
Who needs it
An owner, tenant, or leaseholder identified in connection with permitted work completes the affidavit to report its actual cost.
Why it needs a notary
The form includes a jurat stating “Sworn to before me”; the owner, tenant, or leaseholder who makes the cost statement signs and swears before the notary.
How to get this notarized
- 1
Download the Form
Get the Affidavit of Cost from the City of White Plains.
- 2
Fill In the Details
Complete the permit and property information, select the work type, and state the actual cost.
- 3
Book an Online Notary
Schedule a remote session with a commissioned online notary.
- 4
Sign on Video
Sign and swear to the affidavit during your online notarization session.
- 5
Submit to the City
Follow the City of White Plains Department of Building instructions to submit the completed form.
Preview the form
The blank PDF straight from White Plains. Look it over, then upload your filled copy to start the notary session.
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 White Plains Affidavit of Cost?
- Enter the permit and property details, identify the work as an addition, alteration, or new building, and state its actual cost. Sign and swear to the statement before a notary.
- Do I need to sign this affidavit in front of a notary?
- Yes. The form includes a jurat stating that the affidavit was sworn to before a notary, so the person making the statement signs and swears before the notary.
- Can I use an online notary for this form?
- New York authorizes remote online notarization for its own notaries under Executive Law §135-c, effective since 2023. You can book a session with a commissioned online notary and sign during the video session.
- What costs should I include?
- The form defines cost to include actual services, labor, materials, construction, equipment, rental and service equipment, and installations. It excludes certain items intended primarily for appearance or embellishment that are not necessary for safe and lawful use. Confirm with the city, town or village if unsure.
Other forms in White Plains
Architect/Engineer's Affidavit for Final Inspection
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Builder's Affidavit for Final Inspection
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Building Long Form Application (Volume Added)
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Designer’s Affidavit for Approval of Plans and Specifications
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Look-Alike Affidavit for One- and Two-Family Dwellings
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Owner's Affidavit for Construction Field Inspection
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