# Building permits at 335 17th St, Boulder, CO 17 permits on record here. The newest, Jun 1: ESS battery. 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 1, 2026 | Electrical | ESS battery. Installation of one Tesla Powerwall 3 battery, retrofit to an existing PV solar system. | $9,416 | [ELE2026-00409](https://nearbypermits.com/boulder/permit/ELE2026-00409/) | | Dec 12, 2024 | Mechanical (HVAC) | New Mitsubishi heat pump system - 18,000 BTU, 17,200 cooling capacity, 21 SEER, 19,000 high heat, 10.7 HSPF. New electrical circuit for condenser. | $6,596 | [MEC2024-01874](https://nearbypermits.com/boulder/permit/MEC2024-01874/) | | Jan 18, 2019 | Mechanical (HVAC) | *Install heat pump, with an outdoor unit and an indoor unit. Associated electrical scope under ELE2019-00033, and FLD2019-00009. | $4,043 | [MEC2019-00044](https://nearbypermits.com/boulder/permit/MEC2019-00044/) | | Jan 18, 2019 | Mechanical (HVAC) | Installation of a new ductless mini-split heat pump on a concrete pad and 16" high metal stand on the southeast side of the house as shown on site plan. | Not listed | [FLD2019-00009](https://nearbypermits.com/boulder/permit/FLD2019-00009/) | | Jan 18, 2019 | Electrical | *Electrical for heat pump. Associated with MEC2019-00044 and FLD2019-00009. | $600 | [ELE2019-00033](https://nearbypermits.com/boulder/permit/ELE2019-00033/) | | Aug 30, 2017 | Mechanical (HVAC) | Replacement Forced Air Furnace | $5,216 | [PMT2017-20377-MEC](https://nearbypermits.com/boulder/permit/PMT2017-20377-MEC/) | | Nov 15, 2012 | Alteration or repair | Installation of exterior stucco on all sides of house to cover current wood siding. | $12,000 | [PMT2012-05534-SDG](https://nearbypermits.com/boulder/permit/PMT2012-05534-SDG/) | | Oct 4, 2012 | Electrical | Re-installation of 2.3 kw, rooftop, tilt-mounted photovoltaic solar system on residence. Panels have been removed for re-roof of residence, proposal is to re-install as originally permitted and installed through previous permit PMT2009-00362. | $2,900 | [PMT2012-04849-ELE](https://nearbypermits.com/boulder/permit/PMT2012-04849-ELE/) | | Sep 25, 2012 | Roofing | Total tear off and reroof with 24 gauge standing seam metal on existing single family residence. 23 squares a roof pitch represented as 2/12. | $12,000 | [PMT2012-04662-RFG](https://nearbypermits.com/boulder/permit/PMT2012-04662-RFG/) | | Feb 4, 2009 | Electrical | Installation of new 2.3 kW tilt mounted, grid-tied PV system. | $5,153 | [PMT2009-00362-ELE](https://nearbypermits.com/boulder/permit/PMT2009-00362-ELE/) | | Aug 15, 2007 | Mechanical (HVAC) | New Water Heater, Replacement Forced Air Furnace | $4,547 | [PMT2007-20232-MEC](https://nearbypermits.com/boulder/permit/PMT2007-20232-MEC/) | | Jan 6, 2004 | Fence, wall or deck | 7' high fence in front yard per drawing on application. | Not listed | [PMT2004-00029-FLD](https://nearbypermits.com/boulder/permit/PMT2004-00029-FLD/) | | Jan 6, 2004 | Fence, wall or deck | 7' high fence in front yard per drawing on application. | $1,000 | [PMT2004-00029-FEN](https://nearbypermits.com/boulder/permit/PMT2004-00029-FEN/) | | Apr 24, 2003 | Mechanical (HVAC) | New evaporative comfort cooling on north side of house. | $2,488 | [PMT2003-01520-MEC](https://nearbypermits.com/boulder/permit/PMT2003-01520-MEC/) | | Apr 24, 2003 | Electrical | New evaporative comfort cooling on north side of house. | $106 | [PMT2003-01520-ELE](https://nearbypermits.com/boulder/permit/PMT2003-01520-ELE/) | | Jul 8, 1999 | Alteration or repair | Replace beam/repair. | $4,000 | [PMT1999-05566](https://nearbypermits.com/boulder/permit/PMT1999-05566/) | | Mar 7, 1990 | Alteration or repair | Rmdl kit & bath. The original general permit number is p8493. | $12,000 | [PMT1990-P8493](https://nearbypermits.com/boulder/permit/PMT1990-P8493/) | --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 09:39 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 17 permits at this address: https://nearbypermits.com/boulder/address/335-17th-st/