# Roofing permit RFG2023-00426 at 4450 Arapahoe Ave, Boulder

Boulder Planning and Development Services permit RFG2023-00426: issued Aug 22, 2023 for roofing work at 4450 Arapahoe Ave. Over existing EPDM roof with 50mil tan Duro-Last roofing system. Install 1/4" securock board. Pre-roof inspection required on all overlay projects to confirm only one existing layer and to determine if there is any water damage. Class A roof assembly as tested in accordance with ASTM Standard E 108 or UL Standard 790 required.

- Permit number: RFG2023-00426
- Issued: Aug 22, 2023
- Type of work: Roofing (city: Roofing Replacement Permit, Roofing Replacement Permit)
- Status: Finished (city: Letter of Completion)
- Reported cost: $26,000
- ZIP code: 80303
- All permits at this address: https://nearbypermits.com/boulder/address/4450-arapahoe-ave/

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-11 10:14 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 4450 Arapahoe Ave: https://nearbypermits.com/boulder/address/4450-arapahoe-ave/