# Building permits at 3837 Orion Ct, Boulder, CO 14 permits on record here. The newest, Oct 7: Boiler Replacement PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic. 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 | |---|---|---|---|---| | Oct 7, 2026 | Mechanical (HVAC) | Boiler Replacement 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 evidence of the pressure test directly to the assigned ins | $37,500 | [MEC2026-01900](https://nearbypermits.com/boulder/permit/MEC2026-01900/) | | Sep 18, 2025 | Mechanical (HVAC) | Add LG - Multi-Zone Ceiling Cassettes - Non-Ducted mini-spilt system; electrical subcontracted. All new plastic glued vents for fuel burning appliances must undergo pressure testing. To facilitate the inspection process, please provide photographic evidence of the pressure test directly to the assig | $17,106 | [MEC2025-01524](https://nearbypermits.com/boulder/permit/MEC2025-01524/) | | Oct 20, 2015 | Plumbing | Interior remodel (418 SF) of first-story master bathroom and powder room. Scope of work includes new windows in master bath, non-structural interior wall demolition, and relocation of sinks, shower, and toilets. MEPs included (replace bathroom fans, minor electrical upgrades, no plumbing fixture cou | $4,000 | [PMT2015-04661-PLB](https://nearbypermits.com/boulder/permit/PMT2015-04661-PLB/) | | Oct 20, 2015 | Mechanical (HVAC) | Interior remodel (418 SF) of first-story master bathroom and powder room. Scope of work includes new windows in master bath, non-structural interior wall demolition, and relocation of sinks, shower, and toilets. MEPs included (replace bathroom fans, minor electrical upgrades, no plumbing fixture cou | $600 | [PMT2015-04661-MEC](https://nearbypermits.com/boulder/permit/PMT2015-04661-MEC/) | | Oct 20, 2015 | Electrical | Interior remodel (418 SF) of first-story master bathroom and powder room. Scope of work includes new windows in master bath, non-structural interior wall demolition, and relocation of sinks, shower, and toilets. MEPs included (replace bathroom fans, minor electrical upgrades, no plumbing fixture cou | $500 | [PMT2015-04661-ELE](https://nearbypermits.com/boulder/permit/PMT2015-04661-ELE/) | | Oct 20, 2015 | Alteration or repair | Interior remodel (418 SF) of first-story master bathroom and powder room. Scope of work includes new windows in master bath, non-structural interior wall demolition, and relocation of sinks, shower, and toilets. MEPs included (replace bathroom fans, minor electrical upgrades, no plumbing fixture cou | $40,000 | [PMT2015-04661](https://nearbypermits.com/boulder/permit/PMT2015-04661/) | | Sep 23, 2002 | Plumbing | Addition (40 s.f.) and remodel (approx. 400 s.f.), addition of a front porch entry and trellis feature, and construction of decks (>30" above grade) at an existing single-family residence within the Wonderland Hill #1 subdivision. One new lavatory sink will be added. | $5,000 | [PMT2002-03181-PLB](https://nearbypermits.com/boulder/permit/PMT2002-03181-PLB/) | | Sep 23, 2002 | Mechanical (HVAC) | Addition (40 s.f.) and remodel (approx. 400 s.f.), addition of a front porch entry and trellis feature, and construction of decks (>30" above grade) at an existing single-family residence within the Wonderland Hill #1 subdivision. One new lavatory sink will be added. | $10,500 | [PMT2002-03181-MEC](https://nearbypermits.com/boulder/permit/PMT2002-03181-MEC/) | | Sep 23, 2002 | Electrical | Addition (40 s.f.) and remodel (approx. 400 s.f.), addition of a front porch entry and trellis feature, and construction of decks (>30" above grade) at an existing single-family residence within the Wonderland Hill #1 subdivision. One new lavatory sink will be added. | Not listed | [PMT2002-03181-ELE](https://nearbypermits.com/boulder/permit/PMT2002-03181-ELE/) | | Sep 23, 2002 | Addition | Addition (40 s.f.) and remodel (approx. 400 s.f.), addition of a front porch entry and trellis feature, and construction of decks (>30" above grade) at an existing single-family residence within the Wonderland Hill #1 subdivision. One new lavatory sink will be added. | $65,000 | [PMT2002-03181](https://nearbypermits.com/boulder/permit/PMT2002-03181/) | | Jul 13, 2001 | Plumbing | Remodel existing basement configuration and add hydronic heating throughout house. | $2,500 | [PMT2001-02949-PLB](https://nearbypermits.com/boulder/permit/PMT2001-02949-PLB/) | | Jul 13, 2001 | Mechanical (HVAC) | Remodel existing basement configuration and add hydronic heating throughout house. | $4,500 | [PMT2001-02949-MEC](https://nearbypermits.com/boulder/permit/PMT2001-02949-MEC/) | | Jul 13, 2001 | Electrical | Remodel existing basement configuration and add hydronic heating throughout house. | $4,000 | [PMT2001-02949-ELE](https://nearbypermits.com/boulder/permit/PMT2001-02949-ELE/) | | Jul 13, 2001 | Alteration or repair | Remodel existing basement configuration and add hydronic heating throughout house. | $37,000 | [PMT2001-02949](https://nearbypermits.com/boulder/permit/PMT2001-02949/) | ## Zoning requests nearby We don't list zoning cases for Boulder yet. Look them up on the city's Board of Zoning Adjustment page: https://bouldercolorado.gov/government/board-commission/board-zoning-adjustment ## More on this street Other addresses on Orion Ct with permits, nearest house number first: - [3838 Orion Ct](https://nearbypermits.com/boulder/address/3838-orion-ct/): newest permit May 12, 2025 - [3835 Orion Ct](https://nearbypermits.com/boulder/address/3835-orion-ct/): newest permit Mar 17, 2025 - [3834 Orion Ct](https://nearbypermits.com/boulder/address/3834-orion-ct/): newest permit Jun 10, 2026 - [3833 Orion Ct](https://nearbypermits.com/boulder/address/3833-orion-ct/): newest permit Apr 30, 2026 - [3841 Orion Ct](https://nearbypermits.com/boulder/address/3841-orion-ct/): newest permit Sep 24, 2026 - [3842 Orion Ct](https://nearbypermits.com/boulder/address/3842-orion-ct/): newest permit Jan 13, 2025 - [3844 Orion Ct](https://nearbypermits.com/boulder/address/3844-orion-ct/): newest permit Dec 3, 2024 - [3851 Orion Ct](https://nearbypermits.com/boulder/address/3851-orion-ct/): newest permit Jun 15, 2026 - [3857 Orion Ct](https://nearbypermits.com/boulder/address/3857-orion-ct/): newest permit Aug 6, 2026 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-08 15:10 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 14 permits at this address: https://nearbypermits.com/boulder/address/3837-orion-ct/