2710 HOLLAND AVENUE, BRONX, 10467 · Allerton
Homeowners in the Allerton neighborhood of the Bronx can see the costs associated with upgrading or installing new HVAC systems. This permit covers the installation of a complete HVAC system for a four-story residential building, a significant project for maintaining comfort and air quality.
This mechanical systems permit was issued on April 7, 2026, with an estimated project cost of $37,500. The work is being managed by ZEFI & CO. LLC.
A new HVAC system for a 4-story residential building in Allerton was permitted with an estimated cost of $37,500.
Issued
April 7, 2026
Expires
August 17, 2026
License
General Contractor
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Filed by ZEFI & CO. LLC · 32 permits across 12 neighborhoods
View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 249818566 |
| Work Permit # | X01131027-S7-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | INSTALL HVAC SYSTEM FOR 4 STORY RESIDENTIAL BUILDING |
| Floor / Unit | Floor Number(s)-1-SO-8704-X01131027-I1, Roof-SO-1353-X01131027-I1, Cellar-SO-4496-X01131027-I1, Floor Number(s)-3-SO-8957-X01131027-I1, Floor Number(s)-4-SO-5414-X01131027-I1, Floor Number(s)-2-SO-212 |
| Estimated Cost | $37,500 |
| Approved | August 1, 2025 |
| Issued |
LIN LONG G
Long lin
| April 7, 2026 |
| Expires | August 17, 2026 |
| BBL | — |
| BIN | — |