# Building permits at 4400 Darley Ave, Boulder, CO

Five permits on record here. The newest, Jun 4: Replace main electrical panel & upgrade service (100A->200A). Boulder publishes permits without map coordinates, so this address has no map and no quarter-mile list.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Jun 4, 2026 | Electrical | Replace main electrical panel & upgrade service (100A->200A) | $8,550 | [ELE2026-00609](https://nearbypermits.com/boulder/permit/ELE2026-00609/) |
| Apr 25, 2011 | Roofing | Tear-off & reroof of SFD, 20 squares on a pitch represented as 4/12. Shingles to comply with ASTM D225 or D3462 and D3161 Class F. Overlay not allowed - see section R907.3 (specifically item 4) of 2006 IRC. | $3,208 | [PMT2011-01616-RFG](https://nearbypermits.com/boulder/permit/PMT2011-01616-RFG/) |
| Jul 1, 2002 | Mechanical (HVAC) | Install new furnance in SFD | $2,529 | [PMT2002-02738-MEC](https://nearbypermits.com/boulder/permit/PMT2002-02738-MEC/) |
| Jun 30, 1997 | Alteration or repair | Window well/egress window the original general permit number is 973924. | $1,200 | [PMT1997-03924](https://nearbypermits.com/boulder/permit/PMT1997-03924/) |
| Nov 15, 1989 | Addition | Deck. The original general permit number is p6543. | $150 | [PMT1989-P6543](https://nearbypermits.com/boulder/permit/PMT1989-P6543/) |

## More on this street

Other addresses on Darley Ave with permits, nearest house number first:

- [4395 Darley Ave](https://nearbypermits.com/boulder/address/4395-darley-ave/): newest permit Jul 8, 2026
- [4435 Darley Ave](https://nearbypermits.com/boulder/address/4435-darley-ave/): newest permit Nov 26, 2025
- [4465 Darley Ave](https://nearbypermits.com/boulder/address/4465-darley-ave/): newest permit Aug 17, 2026
- [4330 Darley Ave](https://nearbypermits.com/boulder/address/4330-darley-ave/): newest permit Mar 6, 2025
- [4305 Darley Ave](https://nearbypermits.com/boulder/address/4305-darley-ave/): newest permit Jul 31, 2025
- [4495 Darley Ave](https://nearbypermits.com/boulder/address/4495-darley-ave/): newest permit Oct 5, 2026
- [4300 Darley Ave](https://nearbypermits.com/boulder/address/4300-darley-ave/): newest permit Jul 24, 2025
- [4535 Darley Ave](https://nearbypermits.com/boulder/address/4535-darley-ave/): newest permit May 27, 2025
- [4250 Darley Ave](https://nearbypermits.com/boulder/address/4250-darley-ave/): newest permit Aug 5, 2025
- [4565 Darley Ave](https://nearbypermits.com/boulder/address/4565-darley-ave/): newest permit Dec 2, 2024

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-08 01:25 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 5 permits at this address: https://nearbypermits.com/boulder/address/4400-darley-ave/