478 EAST TREMONT AVENUE, Bronx, 10457 · Tremont
A permit has been issued for the installation of a radon mitigation system and associated exhaust fans at a property in the Tremont neighborhood of the Bronx. This work focuses on improving indoor air quality without altering the building's use or egress.
Issued on July 14, 2026, this project has an estimated cost of $44,700. OBAR SYSTEMS, INC (GC) is the contractor responsible for this mechanical systems installation.
Homeowners in Tremont, Bronx, may see work on radon mitigation systems, with this specific project costing an estimated $44,700 to improve air quality.
Issued
July 14, 2026
Expires
September 19, 2026
License
General Contractor
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Filed by OBAR SYSTEMS, INC · 3 permits across 3 neighborhoods
View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 291576953 |
| Work Permit # | X01408182-I1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | Radon mitigation system and associated exhaust fans. No change in use or egress. |
| Floor / Unit | Cellar, Roof |
| Estimated Cost | $44,700 |
| Approved | June 22, 2026 |
| Issued | July 14, 2026 |
MADISON 841 GROUP LLC
alan sasson
| Expires |
| September 19, 2026 |
| BBL | — |
| BIN | — |
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