Village of Old Brookville Building Permits

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Old Brookville is a village in the Town of Oyster Bay, and permits go to the Village. The Village's rule: every building permit is authorized by the Board of Trustees.

Village of Old Brookville Building Department (not us)

Address: Village Hall, 201 McCouns Lane, Old Brookville, NY 11545
Phone: 516-671-4664 ext. 106
Email: BuildingDept@OldBrookville.gov
Hours: Village Hall Monday–Friday, 9:30am–1:30pm. Closed Fridays in August.
Permit portal: None. Applications are PDF forms filed on paper with the Building Inspector.
Permit rules: Village Code: building permits
Local code: Code of the Village of Old Brookville
Forms: Code & forms

Permits We Handle in Old Brookville

Village of Old Brookville Building Permit Fees

A building permit in Old Brookville costs $5.25 per square foot for a new house and $4 per square foot for alterations, with a $250 minimum.

Fees charged by the Village of Old Brookville Building Department
Permit	Fee
New house	$5.25 per sq ft
Alteration to a house	$4 per sq ft
Accessory building, with plumbing or HVAC	$4 per sq ft
Decks, walks or masonry patios	$0.50 per sq ft
Swimming pool	$2,500
Fence	$0.25 per linear foot, $250 minimum

A $500 filing fee for a new house or addition is credited toward the permit fee.

Source: Village of Old Brookville: Resolution amending Chapter 154, Fees and Deposits (PDF) (opens in a new tab). Checked October 21, 2026.

How Filing Works in Old Brookville

TrusteesThe Board of Trustees authorizes every building permit.
ARBNew homes and alterations over 20% of the floor area go to the ARB.
In writingApplications are filed in writing with the Building Inspector.
Short hoursVillage Hall closes at 1:30pm, and on Fridays in August.

Selling your house? Close your open permits first.

Open permit close-outs

How We Help in Old Brookville

On the Trustees' agenda. We file complete so the permit can be authorized without delay.
ARB-ready. We check whether your alteration crosses the 20% line and prepare the exterior plans.
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 Old Brookville, assuming no extra work or construction needs to be done and the building department accepts the permit application.

Rolled blueprints and a permit folder on a pickup tailgate in front of a home renovation

Old Brookville Permit Questions

What needs a permit in Old Brookville?

Excavating, building, altering, removing or demolishing, and changing the contour of the land. You file a written application with the Building Inspector, and the permit is authorized by the Board of Trustees.

Source: Village of Old Brookville Code: building permits (opens in a new tab)

When does my job go to the Architectural Review Board?

For new construction, and for alterations or reconstruction larger than 20% of the structure's total square footage. The ARB approves the exterior before the permit issues.

Source: Village of Old Brookville Code: building permits (opens in a new tab)

How long is an Old Brookville permit good for?

24 months for a principal dwelling and 12 months for other work. It can be renewed for one more year, or for up to two 6-month periods. Further renewals need the Board of Trustees.

Source: Village of Old Brookville Code: building permits (opens in a new tab)

Does my job need Planning Board site plan approval?

Buildings other than one- and two-family homes need site plan approval, and the Planning Board also handles special use permits. Within two years after the CO, the Planning Board may have the Village Engineer check that the approved site plan is being followed.

Source: Village of Old Brookville Code: building permits (opens in a new tab)

History of Building Codes