# 4131 W HIRSCH ST, Chicago IL: HVAC / Mechanical permit 101084037 ($142,800)

**Subcontractor Bid Window & Material Demand Score:** 68/100

| Field | Value |
|---|---|
| Metro | Chicago, IL |
| Address | 4131 W HIRSCH ST |
| Permit number | 101084037 |
| Permit type | PERMIT - RENOVATION/ALTERATION |
| Trade | HVAC / Mechanical |
| Valuation | $142,800 |
| Issued | 2026-10-23 |
| Applied | 2026-06-09 |
| Status | ACTIVE |
| General contractor | MJ ELECTRICAL SERVICES CO |
| Description | CONSTRUCTING A PROPOSED SECOND FLOOR ADDITION TO AN EXISTING SINGLE FAMILY RESIDENCE CONSISTING OF (2) BEDROOMS, (1) BATHROOM AND RELOCATE LAUNDRY ROOM. FIRST FLOOR MODIFICATIONS FOR NEW STAIRWAY, INCLUDING ALL ASSOCIATED MECHANICAL, ELECTRICAL AND PLUMBING PER PLANS, REVIEWS AND INSPECTIONS. |

## Why this score
- $142,800 project: smaller scope.
- Issued 12 days ago: trade packages are often still being bought out.
- HVAC / Mechanical scope named on the permit: a direct fit for that trade.
- General contractor on record, so you know who to contact.

Source: City of Austin, City of Chicago, City of Los Angeles, Montgomery County MD and City of Cincinnati open-data building permits (https://data.cityofchicago.org/resource/ydr8-5enu.json?permit_=101084037). Last refreshed: 2026-11-04T01:28:41.771Z.
Permit data comes from official municipal open-data portals and may lag or contain errors. Informational only.