Brookhaven, NY Building Setbacks & Zoning: Structure Height Limits (2026)
Key Facts
- A Residence 5 height
- 35 feet or 2½ stories
- A Residence 10 height
- 35 feet or 2½ stories
- D Residence height
- 35 feet or 2½ stories
- Accessory building height
- 18 feet in rear yard
- Storage shed height
- 12 feet above grade
- Standard districts A/B/C
- Height set by dimensional-table attachment
Summary
Brookhaven caps the A Residence 5, A Residence 10 and D Residence Districts at 35 feet or 2 1/2 stories, and holds accessory buildings in those districts to 18 feet. Height rules run district by district under Chapter 85, and the Town's core A, B and C Residence Districts route their own height figure through a separate dimensional-table attachment.
Height. In the A Residence 5 District, no building or structure shall be erected or altered to a height in excess of 35 feet or 2 1/2 stories. ... Accessory buildings and structures. In the A Residence 5 District, accessory buildings and structures may occupy 12 1/2% of the required rear yard and shall not exceed 18 feet in height; provided, however, that no building or structure shall be built less than 20 feet from any side or rear lot line nor less than 90 feet from any street line.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4966897; v79 updated 2026-05-28; through 05-28-2026).
Full Breakdown
H limits accessory buildings and structures in the required rear yard to 18 feet. H. H. B(6)(d) rather than stating the figure again in the chapter's body text. B(14).
Violations & Fines
Erecting or altering a building above the district's height limit violates §§ 85-190 through 85-246 and is punishable under § 85-158.E: $2,500 to $6,000 or up to 15 days for a first offense, $5,000 to $10,000 or up to six months for a second offense within five years, and $7,500 to $15,000 with up to six months for a third offense, with each week of the violation treated as a separate offense.
Frequently Asked Questions
How tall can a house be in Brookhaven?
How tall can a shed or accessory building be in Brookhaven?
Does Brookhaven have one height limit that applies to every residential district?
Sources & Official References
Other rules in Brookhaven
New York rules heatmap·Compare Brookhaven to another location·View the New York building setbacks & zoning overview
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Structure Height Limits in Nearby Cities
How other cities in Suffolk County handle structure height limits.