# Building permits at 3749 Canfield St, Boulder, CO 12 permits on record here. The newest, Dec 9, 2025: *Voided for non-inspection. 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 | |---|---|---|---|---| | Dec 9, 2025 | Alteration or repair | *Voided for non-inspection. No inspections requested within 180 days.* Drywall replacement after fire suppression water loss at tuck under parking garage (Building G) including heat trace tape at suppression supply line. includes a new electrical circuit | $22,555 | [BLD-MFD2025-00078](https://nearbypermits.com/boulder/permit/BLD-MFD2025-00078/) | | Dec 21, 2023 | Fire systems | Install a dry sprinkler system to serve tuck-under parking area. See FIR2019-00236 for original fire alarm system permit. See FIR2019-00010 for original NFPA 13R fire sprinkler system permit. See BLD-MFD2018-00019 for original general building permit. See FIR2023-00317 for permit to install monitor | $10,000 | [FIR2023-00368](https://nearbypermits.com/boulder/permit/FIR2023-00368/) | | Dec 21, 2023 | Fire systems | Provide and install monitor modules to supervise new dry fire sprinkler system in tuck-under parking. See FIR2019-00236 for original fire alarm system permit. See FIR2019-00010 for original NFPA 13R fire sprinkler system permit. See BLD-MFD2018-00019 for original general building permit. See FIR2023 | $3,500 | [FIR2023-00317](https://nearbypermits.com/boulder/permit/FIR2023-00317/) | | Feb 19, 2020 | Fire systems | New NFPA 13R wet system for building G at Diagonal Crossing. Building G is the same as Building 'D' (FIR2018-00246) See FIR2019-00236 for original fire alarm system permit. See BLD-MFD2018-00019 for general building permit. | $28,945 | [FIR2019-00010](https://nearbypermits.com/boulder/permit/FIR2019-00010/) | | Jul 15, 2019 | Fire systems | New Fire Alarm System for a new three-story, 20 unit apartment building, 18,768 square feet. See BLD-MFD2018-00019 for general building permit. See FIR2019-00010 for fire sprinkler permit. Diagonal crossing building g | $10,940 | [FIR2019-00236](https://nearbypermits.com/boulder/permit/FIR2019-00236/) | | Jan 15, 2019 | New building | New construction of a 246 sqft trash enclosure built to serve the surrounding residential and community buildings at Diagonal Crossing. | $50,000 | [BLD-ACC2018-00023](https://nearbypermits.com/boulder/permit/BLD-ACC2018-00023/) | | Jan 7, 2019 | New building | Building G - New three-story, 20 unit apartment building, 18,768 square feet. 01/07/2019 - Resubmittal for changes to window product approved under ADR2018-00309. | $3,949,493 | [BLD-MFD2018-00019](https://nearbypermits.com/boulder/permit/BLD-MFD2018-00019/) | | Dec 4, 2018 | New building | New construction of a 266 sq. ft. pedestrian shade structure, built to serve the surrounding residential and community buildings. | $25,000 | [BLD-ACC2018-00068](https://nearbypermits.com/boulder/permit/BLD-ACC2018-00068/) | | Oct 26, 2018 | Plumbing | New three-story, 20 unit apartment building, 18,768 square feet. | $172,108 | [PLB2018-00107](https://nearbypermits.com/boulder/permit/PLB2018-00107/) | | Oct 26, 2018 | Mechanical (HVAC) | New three-story, 20 unit apartment building, 18,768 square feet. | $160,218 | [MEC2018-00256](https://nearbypermits.com/boulder/permit/MEC2018-00256/) | | Oct 26, 2018 | Electrical | New three-story, 20 unit apartment building, 18,768 square feet. | $241,583 | [ELE2018-00205](https://nearbypermits.com/boulder/permit/ELE2018-00205/) | | Oct 4, 2018 | New building | New construction of a 266 sq. ft. shade structure, built to serve the nearby pool and equipment and community buildings. *4/25/19 Scope updated to include electrical. | $25,000 | [BLD-ACC2018-00066](https://nearbypermits.com/boulder/permit/BLD-ACC2018-00066/) | ## More on this street Other addresses on Canfield St with permits, nearest house number first: - [3757 Canfield St](https://nearbypermits.com/boulder/address/3757-canfield-st/): newest permit Dec 8, 2025 - [3767 Canfield St](https://nearbypermits.com/boulder/address/3767-canfield-st/): newest permit Dec 8, 2025 - [3730 Canfield St](https://nearbypermits.com/boulder/address/3730-canfield-st/): newest permit Aug 11, 2026 - [3717 Canfield St](https://nearbypermits.com/boulder/address/3717-canfield-st/): newest permit Jun 23, 2026 - [3705 Canfield St](https://nearbypermits.com/boulder/address/3705-canfield-st/): newest permit Mar 12, 2026 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-08 11:42 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 12 permits at this address: https://nearbypermits.com/boulder/address/3749-canfield-st/