Westchester County
Village of Larchmont, NY: zoning for new construction
Residential lots in the Village of Larchmont run from a 0.034-acre minimum in Multifamily Residence District up to 0.69 acres in One-Family Residence District, across 11 zoning districts in all. No local short-term-rental law on record - which is not the same as permission. Power here is Con Edison territory. The district table below has the setbacks, height limits and coverage - confirm the specifics with the building department at (914) 834-4349 before you rely on a figure.
Looking specifically at an accessory dwelling unit? See ADU rules for Larchmont →
Zoning districts
| District | Min lot | Setbacks F / S / R | Max height | ADU |
|---|---|---|---|---|
| One-Family Residence District | 0.69 ac | 30 / 12 / 50 ft | 30 ft | No |
| One-Family Residence District | 0.46 ac | 30 / 12 / 40 ft | 30 ft | No |
| One-Family Residence District | 0.34 ac | 30 / 10 / 30 ft | 30 ft | No |
| One-Family Residence District | 0.29 ac | 30 / 10 / 30 ft | 30 ft | No |
| One-Family Residence District | 0.23 ac | 30 / 10 / 25 ft | 30 ft | No |
| One-Family Residence District | 0.17 ac | 30 / 10 / 25 ft | 30 ft | No |
| One-Family Residence District | 0.11 ac | 30 / 6 / 25 ft | 30 ft | No |
| Multifamily Residence District | 0.034 ac | 20 / 15 / 40 ft | 30 ft | No |
| Retail Business Commercial District | 0.023 ac | 10 / - / 15 ft | 25 ft | No |
| Retail Center Commercial District | 0.023 ac | - / - / 15 ft | 25 ft | No |
| Waterfront Coastal Zone District | 1.15 ac | 30 / 12 / 50 ft | 30 ft | No |
One-Family Residence District, One-Family Residence District - The 30 ft front yard is a maximum as well as a minimum: for a one-family dwelling the front and side-front yard may be no deeper than the average of the nearest four occupied lots in the same block on the same side of the street, where that average is less (§ 381-33A).
- A side-front yard of 30 ft is also required.
- A second lot coverage limit keyed to the lot's actual area applies on top of the building coverage shown, from 55% at 3,000 sq ft down to 35% at 40,001 sq ft and above (§ 381-38A).
- A one-family residence may not exceed 30 ft at any point around its perimeter, measured from the lower of existing or proposed grade (§ 381-34A).
- A sky-plane applies as well: at the minimum required side and rear setback line the height may not exceed 20 ft, rising 2 ft for each extra 1 ft of setback (§ 381-34C).
- An accessory building must be at least 5 ft from the side and rear lot lines, may cover 5% of the lot, and may not stand in the front, side or side-front yard (§ 381-32).
- The 1,500 sq ft minimum is first-story floor area for a house of 2 to 2 1/2 stories; at one story the first story must be 2,100 sq ft.
One-Family Residence District, One-Family Residence District - The 30 ft front yard is a maximum as well as a minimum: for a one-family dwelling the front and side-front yard may be no deeper than the average of the nearest four occupied lots in the same block on the same side of the street, where that average is less (§ 381-33A).
- A side-front yard of 30 ft is also required.
- A second lot coverage limit keyed to the lot's actual area applies on top of the building coverage shown, from 55% at 3,000 sq ft down to 35% at 40,001 sq ft and above (§ 381-38A).
- A one-family residence may not exceed 30 ft at any point around its perimeter, measured from the lower of existing or proposed grade (§ 381-34A).
- A sky-plane applies as well: at the minimum required side and rear setback line the height may not exceed 20 ft, rising 2 ft for each extra 1 ft of setback (§ 381-34C).
- An accessory building must be at least 5 ft from the side and rear lot lines, may cover 5% of the lot, and may not stand in the front, side or side-front yard (§ 381-32).
- The 1,000 sq ft minimum is first-story floor area for a house of 2 to 2 1/2 stories; at one story the first story must be 1,500 sq ft.
One-Family Residence District - The 30 ft front yard is a maximum as well as a minimum: for a one-family dwelling the front and side-front yard may be no deeper than the average of the nearest four occupied lots in the same block on the same side of the street, where that average is less (§ 381-33A).
- A side-front yard of 30 ft is also required.
- A second lot coverage limit keyed to the lot's actual area applies on top of the building coverage shown, from 55% at 3,000 sq ft down to 35% at 40,001 sq ft and above (§ 381-38A).
- A one-family residence may not exceed 30 ft at any point around its perimeter, measured from the lower of existing or proposed grade (§ 381-34A).
- A sky-plane applies as well: at the minimum required side and rear setback line the height may not exceed 20 ft, rising 2 ft for each extra 1 ft of setback (§ 381-34C).
- An accessory building must be at least 5 ft from the side and rear lot lines, may cover 6% of the lot, and may not stand in the front, side or side-front yard (§ 381-32).
- The 1,000 sq ft minimum is first-story floor area for a house of 2 to 2 1/2 stories; at one story the first story must be 1,500 sq ft.
One-Family Residence District - The 30 ft front yard is a maximum as well as a minimum: for a one-family dwelling the front and side-front yard may be no deeper than the average of the nearest four occupied lots in the same block on the same side of the street, where that average is less (§ 381-33A).
- A side-front yard of 30 ft is also required.
- A second lot coverage limit keyed to the lot's actual area applies on top of the building coverage shown, from 55% at 3,000 sq ft down to 35% at 40,001 sq ft and above (§ 381-38A).
- A one-family residence may not exceed 30 ft at any point around its perimeter. A sky-plane caps height at 20 ft at the minimum side and rear setback line, rising 3 ft for each extra 1 ft of setback.
- An accessory building must be at least 5 ft from the side and rear lot lines, may cover 6% of the lot, and may not stand in the front, side or side-front yard (§ 381-32).
- The 800 sq ft minimum is first-story floor area for a house of 2 to 2 1/2 stories; at one story the first story must be 1,100 sq ft.
- A townhouse development takes a Board of Trustees special permit under § 381-51B, and the district publishes no by-right townhouse standards.
One-Family Residence District - The 30 ft front yard is a maximum as well as a minimum: for a one-family dwelling the front and side-front yard may be no deeper than the average of the nearest four occupied lots in the same block on the same side of the street, where that average is less (§ 381-33A).
- A side-front yard of 30 ft is also required.
- A second lot coverage limit keyed to the lot's actual area applies on top of the building coverage shown, from 55% at 3,000 sq ft down to 35% at 40,001 sq ft and above (§ 381-38A).
- A one-family residence may not exceed 30 ft at any point around its perimeter. A sky-plane caps height at 20 ft at the minimum side and rear setback line, rising 3 ft for each extra 1 ft of setback.
- An accessory building must be at least 5 ft from the side and rear lot lines, may cover 8% of the lot, and may not stand in the front, side or side-front yard (§ 381-32).
- The 700 sq ft minimum is first-story floor area for a house of 2 to 2 1/2 stories; at one story the first story must be 1,000 sq ft.
Multifamily Residence District - The 1,500 sq ft lot area is land per family, not a conforming lot for a multi-unit building: the lot has to carry 1,500 sq ft for every family in it. A one-family dwelling in MF instead needs a lot of at least 5,000 sq ft and 50 ft of width.
- A one-family dwelling's yards are 15 ft front, 6 ft on one side and 14 ft combined, and 35 ft rear, with a 12 ft side-front yard.
- Accessory buildings keep 5 ft from the side and rear lot lines, may not stand in a front, side or side-front yard, and are capped at 16% coverage against the principal building's 35%.
- The 700 sq ft minimum first-story area applies at every story count here.
- A sliding lot coverage limit keyed to the lot's actual area applies on top of the 35% building coverage (§ 381-38A).
- Height is also subject to the building height and shape rules of § 381-34.
Retail Business Commercial District - The 1,000 sq ft lot area is land per family, not a conforming lot for a multi-unit building: the lot has to carry 1,000 sq ft for every family in it. The figures shown are otherwise the nonresidential case.
- A multifamily building here follows its own standards: a 40 ft rear yard, 30 ft and 2 1/2 stories of height, 35% coverage and a 15 ft side-front yard.
- The livable area for a unit in that multifamily case is at least 700 sq ft as an average across the units, not a floor for each one.
- A side yard on any side abutting a residence district must be at least 15 ft; the schedule prints only the 30 ft both-sides figure otherwise.
- In Block 614 on Chatsworth Avenue the front yard is 8 ft instead of 10 ft.
- Accessory buildings in the multifamily case are capped at 16% coverage.
- Height is also subject to the building height and shape rules of § 381-34.
Retail Center Commercial District - The 1,000 sq ft lot area is land per family, not a conforming lot for a multi-unit building: the lot has to carry 1,000 sq ft for every family in it. The figures shown are otherwise the nonresidential case.
- A public-amenity-supplemented mixed-use development follows its own schedule under a Village Board special permit: a lot of 10,000 sq ft, 40 ft wide, and zero front, side and rear yards (§ 381-51N).
- Within that permit the 50 ft height, four stories and 100% coverage are maximums the Village Board sets case by case, measured from existing grade along the Chatsworth Avenue frontage.
- A side yard on any side abutting a residence district must be at least 15 ft, and in Block 614 on Chatsworth Avenue the front yard is 8 ft.
- No multifamily standards are stated for RC: the footnote that carries them names only the RB district, though multifamily is a permitted use here (§ 381-26A(7)).
- Height is also subject to the building height and shape rules of § 381-34.
Waterfront Coastal Zone District - The 30 ft front yard is a maximum as well as a minimum: for a one-family dwelling the front and side-front yard may be no deeper than the average of the nearest four occupied lots in the same block on the same side of the street, where that average is less (§ 381-33A).
- A side-front yard of 30 ft is also required.
- A second lot coverage limit keyed to the lot's actual area applies on top of the building coverage shown, from 55% at 3,000 sq ft down to 35% at 40,001 sq ft and above (§ 381-38A).
- A one-family residence may not exceed 30 ft at any point around its perimeter. A sky-plane caps height at 20 ft at the minimum side and rear setback line, rising 2 ft for each extra 1 ft of setback.
- An accessory building must be at least 5 ft from the side and rear lot lines, may cover 5% of the lot, and may not stand in the front, side or side-front yard (§ 381-32).
- On the Yacht Club, Shore Club and Manor Park parcels the principal uses are parks, beaches and private membership clubs; a one-family dwelling needs a Board of Trustees special permit (§ 381-51E).
- The 1,500 sq ft minimum is first-story floor area for a house of 2 to 2 1/2 stories; at one story the first story must be 2,100 sq ft.
Short-term rentals
No local short-term-rental law on record - which is not the same as permission. The Village of Larchmont has no local short-term rental law, and that is not the same as permission. Confirm with the building department before counting on the use.
Conditions the code attaches:
- Standard village zoning and building codes apply.
- The Westchester County hotel occupancy tax of 3% applies to short-term stays.
- Building department: (914) 834-4349.
Good to know
- UtilityCon Edison territory.
- Zoning codeVillage of Larchmont Code, Chapter 381 Zoning, Schedule of Dimensional Regulations (381 Attachment 2), amended February 25, 2020 by L.L. No. 1-2020
- Building dept(914) 834-4349
- Last reviewed2026-09-28
Working out a budget? A standard-finish build here runs $242–$318/sq ft , and a conforming lot adds about $25,800 on top - see the full cost to build a house in Larchmont, or what an ADU costs here.
Sizing up a specific parcel in Larchmont?
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Zoning figures for Village of Larchmont are compiled from the municipal code (last reviewed 2026-09-28) and provided for decision-support only - not legal, engineering, or architectural advice. Setback and dimensional standards often carry conditions and exceptions; verify with the building department at (914) 834-4349 before relying on any number. Source: the Offsite / Aldo zoning dataset.