# Building permits at 2835 15th St, Boulder, CO 11 permits on record here. The newest, Aug 12, 2025: Add to existing equipment with LG - Single Zone - Non-Ducted minisplit. 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 | |---|---|---|---|---| | Aug 12, 2025 | Mechanical (HVAC) | Add to existing equipment with LG - Single Zone - Non-Ducted minisplit, electrical subcontracted. | $10,582 | [MEC2025-01217](https://nearbypermits.com/boulder/permit/MEC2025-01217/) | | Jun 3, 2022 | Fire systems | New wet pipe NFPA 13D fire sprinkler system for the conversion of an unconditioned garage (319 sf floor area) to a conditioned accessory dwelling unit, including kitchenette and 3/4 bath. See BLD-ACC2021-00142 for general building permit. Pincus (fsn13d) | $5,080 | [FIR2022-00181](https://nearbypermits.com/boulder/permit/FIR2022-00181/) | | Dec 28, 2021 | Plumbing | Conversion of unconditioned garage (319 sf floor area) to conditioned accessory dwelling unit, to include kitchenette and 3/4 bath. Previous approval for ADU per aur2021-00024. Building separation variance per boz2021-00017. | $4,200 | [PLB2021-00778](https://nearbypermits.com/boulder/permit/PLB2021-00778/) | | Dec 28, 2021 | Mechanical (HVAC) | Conversion of unconditioned garage (319 sf floor area) to conditioned accessory dwelling unit, to include kitchenette and 3/4 bath. Previous approval for ADU per aur2021-00024. Building separation variance per boz2021-00017. | $5,000 | [MEC2021-02259](https://nearbypermits.com/boulder/permit/MEC2021-02259/) | | Dec 28, 2021 | Electrical | Conversion of unconditioned garage (319 sf floor area) to conditioned accessory dwelling unit, to include kitchenette and 3/4 bath. Previous approval for ADU per aur2021-00024. Building separation variance per boz2021-00017. | $4,250 | [ELE2021-01867](https://nearbypermits.com/boulder/permit/ELE2021-01867/) | | Dec 28, 2021 | Alteration or repair | Conversion of unconditioned garage (319 sf floor area) to conditioned accessory dwelling unit, to include kitchenette and 3/4 bath. Previous approval for ADU per aur2021-00024. Building separation variance per boz2021-00017. | $100,000 | [BLD-ACC2021-00142](https://nearbypermits.com/boulder/permit/BLD-ACC2021-00142/) | | Mar 13, 2014 | Roofing | Total tear off and re-roof, SFD, metal shingles, 31 squares, contractor indicates 4/12 pitch and 8/12 pitch. | $31,962 | [PMT2014-01120-RFG](https://nearbypermits.com/boulder/permit/PMT2014-01120-RFG/) | | May 13, 2004 | Mechanical (HVAC) | Replacement Forced Air Furnace, New Comfort Cooling | $4,124 | [PMT2004-20215-MEC](https://nearbypermits.com/boulder/permit/PMT2004-20215-MEC/) | | Mar 5, 1993 | New building | Detached garage with unfinished room above the original general permit number | $8,500 | [PMT1993-01551](https://nearbypermits.com/boulder/permit/PMT1993-01551/) | | Feb 9, 1993 | Alteration or repair | Footing and foundation for garage with studio the original general permit numb | $500 | [PMT1993-00982](https://nearbypermits.com/boulder/permit/PMT1993-00982/) | | Feb 9, 1993 | New building | Footing and foundation for single family dwelling the original general permit | $2,000 | [PMT1993-00981](https://nearbypermits.com/boulder/permit/PMT1993-00981/) | ## More on this street Other addresses on 15th St with permits, nearest house number first: - [2870 15th St](https://nearbypermits.com/boulder/address/2870-15th-st/): newest permit Feb 2, 2026 - [2890 15th St](https://nearbypermits.com/boulder/address/2890-15th-st/): newest permit Jan 14, 2025 - [2775 15th St](https://nearbypermits.com/boulder/address/2775-15th-st/): newest permit May 21, 2026 - [2755 15th St](https://nearbypermits.com/boulder/address/2755-15th-st/): newest permit Feb 20, 2025 - [2965 15th St](https://nearbypermits.com/boulder/address/2965-15th-st/): newest permit Jul 31, 2026 - [3010 15th St](https://nearbypermits.com/boulder/address/3010-15th-st/): newest permit Apr 7, 2026 - [3015 15th St](https://nearbypermits.com/boulder/address/3015-15th-st/): newest permit Nov 19, 2024 - [3045 15th St](https://nearbypermits.com/boulder/address/3045-15th-st/): newest permit Oct 13, 2025 - [3070 15th St](https://nearbypermits.com/boulder/address/3070-15th-st/): newest permit Mar 2, 2026 - [3205 15th St](https://nearbypermits.com/boulder/address/3205-15th-st/): newest permit Jan 13, 2025 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 00:27 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 11 permits at this address: https://nearbypermits.com/boulder/address/2835-15th-st/