# Building permits at 3705 Canfield St, Boulder, CO 19 permits on record here. The newest, Mar 12: VOID- 180 Days No Activity Replace 50 gallon power direct vent water heater PLEASE NOTE: APPLICABLE ONLY TO. 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 | |---|---|---|---|---| | Mar 12, 2026 | Mechanical (HVAC) | VOID- 180 Days No Activity Replace 50 gallon power direct vent water heater PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic glued vents for fuel burning appliances must undergo pressure testing. To facilitate the inspection process, please provide photographic e | $4,500 | [MEC2026-00352](https://nearbypermits.com/boulder/permit/MEC2026-00352/) | | Sep 1, 2021 | Plumbing | *Voided for inactivity - requirements not met.* Alteration to building plumbing equipment via addition of domestic water booster pump at building water entry. Electrical wiring to existing house panel. | $17,500 | [PLB2021-00547](https://nearbypermits.com/boulder/permit/PLB2021-00547/) | | Sep 1, 2021 | Electrical | *Voided for inactivity - requirements not met.* Alteration to building plumbing equipment via addition of domestic water booster pump at building water entry. Electrical wiring to existing house panel. | $2,500 | [ELE2021-01324](https://nearbypermits.com/boulder/permit/ELE2021-01324/) | | Sep 1, 2021 | Alteration or repair | *Voided for inactivity - requirements not met.* Alteration to building plumbing equipment via addition of domestic water booster pump at building water entry. Electrical wiring to existing house panel. | $20,000 | [BLD-MFD2021-00042](https://nearbypermits.com/boulder/permit/BLD-MFD2021-00042/) | | Sep 10, 2019 | Pool or spa | Installation of new in-ground lap pool. Pool equipment located in Building U, permitted under MFD2018-00004. | $103,700 | [BLD-ACC2019-00112](https://nearbypermits.com/boulder/permit/BLD-ACC2019-00112/) | | Jun 21, 2019 | Electrical | Construction of Carport B is a new 2,388 sq. ft. carport with 12 total spaces, one of which is ADA compliant and van accessible. | $16,740 | [ELE2018-00102](https://nearbypermits.com/boulder/permit/ELE2018-00102/) | | Jun 21, 2019 | Electrical | New construction of a 2,388 sq. ft. carport with 12 total spaces, one of which is ADA compliant and van accessible.. | $16,740 | [ELE2018-00101](https://nearbypermits.com/boulder/permit/ELE2018-00101/) | | Apr 2, 2019 | Fire systems | New Fire Alarm System to be installed per NFPA 72 requirements. This project consists of seven stand-alone buildings. Lot #3 has three (3) buildings, Lot #6 has four (4) buildings. Each has been assigned a separate monitoring account. See BLD-MFD1028-00004 for general building permit. Building u | $9,500 | [FIR2019-00050](https://nearbypermits.com/boulder/permit/FIR2019-00050/) | | Apr 1, 2019 | Fire systems | 3 Story Type V-B Construction Residential Building, NFPA 13, 343 Heads, 3 New Wet Systems. See BLD-MFD2018-00004 for general building permit. Building u | $46,850 | [FIR2018-00357](https://nearbypermits.com/boulder/permit/FIR2018-00357/) | | Jan 14, 2019 | Plumbing | New construction of a 1,222 sq. ft. one-story unconditioned storage building, built to serve 3 surrounding residential buildings. Note: the three buildings served by this storage building are under separate permits.. | $7,062 | [PLB2018-00056](https://nearbypermits.com/boulder/permit/PLB2018-00056/) | | Jan 14, 2019 | Mechanical (HVAC) | New construction of a 1,222 sq. ft. one-story unconditioned storage building, built to serve 3 surrounding residential buildings. Note: the three buildings served by this storage building are under separate permits.. | $1,000 | [MEC2018-00129](https://nearbypermits.com/boulder/permit/MEC2018-00129/) | | Jan 14, 2019 | Electrical | New construction of a 1,222 sq. ft. one-story unconditioned storage building, built to serve 3 surrounding residential buildings. Note: the three buildings served by this storage building are under separate permits.. | $19,270 | [ELE2018-00099](https://nearbypermits.com/boulder/permit/ELE2018-00099/) | | Nov 28, 2018 | New building | Bldg. U. New construction of a 25,132 sq ft three-story building containing 26 apartment units, with community recreational rooms and a leasing office on the first floor. *RESUBMIT CHANGE OF SCOPE 1/24/2020 - Revised electrical plans.* | $4,506,002 | [BLD-MFD2018-00004](https://nearbypermits.com/boulder/permit/BLD-MFD2018-00004/) | | Oct 25, 2018 | Plumbing | New construction of a 25,132 sqft three-story building containing 26 apartment units, with community recreational rooms and a leasing office on the first floor. | $451,974 | [PLB2018-00058](https://nearbypermits.com/boulder/permit/PLB2018-00058/) | | Oct 25, 2018 | Plumbing | New construction of 5,727 sq. ft. three-story building containing 6 apartment units. Surface parking is provided for residential use. Note: this building is one of three buildings on shared lot (the other two buildings are under separate permits). | $134,180 | [PLB2018-00055](https://nearbypermits.com/boulder/permit/PLB2018-00055/) | | Oct 25, 2018 | Mechanical (HVAC) | New construction of a 25,132 sqft three-story building containing 26 apartment units, with community recreational rooms and a leasing office on the first floor. | $283,040 | [MEC2018-00130](https://nearbypermits.com/boulder/permit/MEC2018-00130/) | | Oct 25, 2018 | Mechanical (HVAC) | New construction of 5,727 sq. ft. three-story building containing 6 apartment units. Surface parking is provided for residential use. Note: this building is one of three buildings on shared lot (the other two buildings are under separate permits). | $79,605 | [MEC2018-00128](https://nearbypermits.com/boulder/permit/MEC2018-00128/) | | Oct 25, 2018 | Electrical | New construction of a 25,132 sqft three-story building containing 26 apartment units, with community recreational rooms and a leasing office on the first floor. | $456,049 | [ELE2018-00103](https://nearbypermits.com/boulder/permit/ELE2018-00103/) | | Oct 25, 2018 | Electrical | New construction of 5,727 sq. ft. three-story building containing 6 apartment units. Surface parking is provided for residential use. Note: this building is one of three buildings on shared lot (the other two buildings are under separate permits). | $96,349 | [ELE2018-00098](https://nearbypermits.com/boulder/permit/ELE2018-00098/) | ## More on this street Other addresses on Canfield St with permits, nearest house number first: - [3717 Canfield St](https://nearbypermits.com/boulder/address/3717-canfield-st/): newest permit Jun 23, 2026 - [3730 Canfield St](https://nearbypermits.com/boulder/address/3730-canfield-st/): newest permit Aug 11, 2026 - [3749 Canfield St](https://nearbypermits.com/boulder/address/3749-canfield-st/): newest permit Dec 9, 2025 - [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 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-08 04:37 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 19 permits at this address: https://nearbypermits.com/boulder/address/3705-canfield-st/