# 3337 W WALNUT ST, Chicago IL: HVAC / Mechanical permit 101080257 ($800,000)

**Subcontractor Bid Window & Material Demand Score:** 76/100

| Field | Value |
|---|---|
| Metro | Chicago, IL |
| Address | 3337 W WALNUT ST |
| Permit number | 101080257 |
| Permit type | PERMIT - NEW CONSTRUCTION |
| Trade | HVAC / Mechanical |
| Valuation | $800,000 |
| Issued | 2026-10-26 |
| Applied | 2026-03-24 |
| Status | ACTIVE |
| General contractor | BOLEK ELECTRIC,INC. |
| Description | SELF-CERT 2019 CBC: FULL BUILDING PERMIT FOR 2 STORY FRAME, 2 DWELLING UNIT RESIDENCE WITH BASEMENT AND NEW 2 CAR PARKING PAD. ELECTRICAL, MECHANICAL, AND PLUMBING PER PLANS (OCCUPANCY GROUP R-5, TYPE VA CONSTRUCTION) EXCAVATION TO EXCEED 5'-0" PER PLANS. |

## Why this score
- $800,000 project.
- Issued 9 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_=101080257). 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.