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423 Halstead Ave

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423 Halstead Ave is a residential proposed at 423 Halstead Ave, Mamaroneck, NY, 10543-2625 in Mamaroneck (Village), NY. The project is currently pending before local land-use boards. LocalForesight has tracked 1 public hearing appearance before Planning Board.

Project Overview

423 Halstead Ave

A residential project is proposed at 423 Halsted Avenue in the Village of Mamaroneck. The developer information is not publicly available. No details regarding the scale, scope, zoning classification, required variances, or approval status are currently known for this property.

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Property Stats

Status Pending
Type Residential
Address 423 Halstead Ave, Mamaroneck, NY, 10543-2625

Map

Timeline

May 27, 2026
Planning Board
  • Deferred pending resubmission; applicant to address planning board comments
  • Project: convert basement to junior dwelling unit (studio) in existing two-family home; interior renovation only, no building expansion
  • Applicant must provide: parking calculations (formula: 1 space per unit + 0.5 space per bedroom), identify parking locations on site plan, square footage of new unit, and clarifications on plan labeling
  • Basement egress: two 40"×62" egress windows proposed; applicant to clarify cellar elevation relative to grade and excavation scope (removal of oil tank platform, ~4 feet)
  • Board found project harmonious with neighborhood and code-compliant in principle; special permit resolution anticipated upon resubmission

Next steps

  • Applicant to resubmit with parking calculations (1 space per unit + 0.5 per bedroom), identify parking locations on site plan, and provide square footage of studio unit
  • Clarify plan labeling and provide square footage documentation for code compliance review
  • Return to planning board with revised submission; board will consider special permit resolution upon completion of requirements

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Sentiment

7 /10

From Planning Board · May 27, 2026

  • Board supportive overall; chair noted multifamily buildings present in neighborhood and project meets zoning intent
  • Board focused on technical compliance: parking calculations, unit square footage, egress/cellar requirements; no opposition from board members
  • One board member (Speaker 1) raised concern about unit size and code compliance; applicant acknowledged and committed to providing square footage documentation

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