# Mechanical (HVAC) permit MEC2020-01985 at 3401 Bluff St, Boulder

Boulder Planning and Development Services permit MEC2020-01985: issued Sep 3, 2021 for mechanical (hvac) work at 3401 Bluff St. *Tenant Finish for Twitter Floors 2 and 3 - 17564 sf total.

- Permit number: MEC2020-01985
- Issued: Sep 3, 2021
- Type of work: Mechanical (HVAC) (city: Mechanical Permit, Mechanical Sub-Permit)
- Status: Finished (city: Closed)
- Reported cost: $325,500
- ZIP code: 80301
- All permits at this address: https://nearbypermits.com/boulder/address/3401-bluff-st/

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 18:54 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 3401 Bluff St: https://nearbypermits.com/boulder/address/3401-bluff-st/