# Solar permit B200446037 at 3731 W 70th St, Chicago

Chicago Department of Buildings permit B200446037: issued Oct 24, 2025 for solar work at 3731 W 70th St. Install solar panels on roof of accessory building. Roof type: sloped (2:12 to 5:12). Inverter output: 10 kw. Array output: 4.455 kw. Includes 13.5 kwh energy storage system. Location: roof planes for accessory structure. Icc distributed generation installer cert. #18-0817.

- Permit number: B200446037
- Issued: Oct 24, 2025
- Type of work: Solar (city: Small-scale solar PV system, permit – express permit program)
- Status: Issued (city: Active)
- Reported cost: $8,465
- ZIP code: 60629 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/3731-w-70th-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-05 17:49 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 3731 W 70th St: https://nearbypermits.com/chicago/address/3731-w-70th-st/