
Village of Mill Neck Building Permits
Get your permit filed or your violation fixed. Free quote.
Mill Neck is a village in the Town of Oyster Bay, and permits go to the Village. The Village's rule: work stays exposed until it is inspected.
Village of Mill Neck Office of the Building Inspector (not us)
- Address
- 32 Frost Mill Road, P.O. Box 351, Mill Neck, NY 11765
- Phone
- 516-922-6722 ext. 5
- Hours
- Village office Monday–Friday, 9:30am–12:30pm.
- Permit portal
- None. Applications are filed on paper, in duplicate.
- Permit rules
- Building Department
- Local code
- Code of the Village of Mill Neck
- Forms
- Forms & permits
Village of Mill Neck Building Permit Fees
A building permit in Mill Neck costs $100 for the first $2,000 of construction cost, plus $10 for each additional $1,000.
| Permit | Fee |
|---|---|
| Building permit | $100 for the first $2,000 of cost, plus $10 per additional $1,000 |
| Certificate of occupancy | $200, paid when applying for the permit |
The cost is the full construction contract amount.
Source: Village of Mill Neck: Building Permit Application, June 2026 (PDF) (opens in a new tab). Checked .
How Filing Works in Mill Neck
- In duplicateThe application goes in duplicate, with the Assessor's sheet.
- County roadsLots on a County road add two more plot plans.
- Zoning permitsSome work also needs a separate zoning permit.
- TrusteesPermits issue upon Board of Trustees authorization.

Selling your house? Close your open permits first.
How We Help in Mill Neck
- Two-track filings. We check whether your job also needs a zoning permit.
- Ready for the CO. We gather the survey of the house and sewage system and the fire underwriters certificate.
- Need a variance? We refer you to a zoning/land-use attorney and keep the permit moving.
Decks, fences, sheds and pools: about 2–4 weeks. Other jobs: about 4–8 weeks on average.* It varies by village and scope.*Typical time is based on an average job in the Village of Mill Neck, assuming no extra work or construction needs to be done and the building department accepts the permit application.

Mill Neck Permit Questions
Who issues building permits in Mill Neck?
The Code Enforcement Officer, upon authorization of the Board of Trustees.
Source: Village of Mill Neck Code, Ch. 129 Art. XV (opens in a new tab)
How long is a Mill Neck permit good for?
It expires one year after issuance, or when the CO issues, whichever comes first. It can be renewed for more one-year periods.
Source: Village of Mill Neck Code, Ch. 129 Art. XV (opens in a new tab)
What is a zoning permit?
Some work and uses listed in the code need a separate zoning permit from the Building Inspector. Engineering items go to the Village Engineer, and large or steep-slope work goes to the Planning Board.
Source: Village of Mill Neck Code, Ch. 129 Art. XIV (opens in a new tab)
What do I need for the CO?
The final affidavit, a survey showing the house and the sewage system with the cesspool depth, a fire underwriters certificate, and an architect's or engineer's letter if required.
Source: Village of Mill Neck: Building Permit Application (PDF) (opens in a new tab)
When can contractors work outside?
Not on Saturdays, Sundays or holidays. On other days, no exterior construction or machinery from 6pm to 8am, unless the Building Inspector or the Mayor issues a permit for an emergency.
Source: Village of Mill Neck Code, Ch. 85 (opens in a new tab)
Is there an architectural review board?
Yes. Mill Neck has a combined Environmental Affairs and Architectural Review Board, with up to five members appointed by the Trustees.
Source: Village of Mill Neck Code, Ch. 6 (opens in a new tab)

Call or text us and we'll take your details by phone.
Hours
- Monday
- 8:30am–8:30pm
- Tuesday
- 8:30am–8:30pm
- Wednesday
- 8:30am–8:30pm
- Thursday
- 8:30am–8:30pm
- Friday
- 8:30am–8:30pm
- Saturday
- Closed
- Sunday
- Closed
After-hours and weekend messages are answered the next business day.
Prefer to talk? Call or text 516-399-0139.




