# Building permits at 3851 Orion Ct, Boulder, CO 16 permits on record here. The newest, Jun 15: 200A Main Panel Upgrade. 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 15, 2026 | Electrical | 200A Main Panel Upgrade | $4,500 | [ELE2026-00648](https://nearbypermits.com/boulder/permit/ELE2026-00648/) | | Feb 27, 2026 | Mechanical (HVAC) | Installation of a 50 Gallon GE GeoSpring Hybrid Heat Pump Water Heater. Electrical Scope is as follows: new 25A 240V circuit to service new HPWH PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic glued vents for fuel burning appliances must undergo pressure testing | $4,470 | [MEC2026-00299](https://nearbypermits.com/boulder/permit/MEC2026-00299/) | | Feb 17, 2026 | Mechanical (HVAC) | Removal of Existing HVAC System and installation of new 3 Ton Ducted Mitsubishi Heat Pump System. Condenser Model# PUZ-AK36NLHZ, AHU Model# PVA-AA36NL. Electrical to include: 200A Panel Upgrade, new 40A Breaker with circuit, and GFCI Service Outlet PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL B | $16,123 | [MEC2026-00223](https://nearbypermits.com/boulder/permit/MEC2026-00223/) | | Jun 7, 2023 | Electrical | Dedicated 50 amp circuit in garage for car charging | $1,600 | [ELE2023-00561](https://nearbypermits.com/boulder/permit/ELE2023-00561/) | | May 18, 2022 | Roofing | Total tear-off & reroof of SFD, 12 squares of dimensional shingles on a pitch represented as 5/12. All roof materials shall be installed per manufacturer?s specs. Mid-roof inspection required if pitch is less than 4/12. North Lower Section Only | $3,750 | [RFG2022-00423](https://nearbypermits.com/boulder/permit/RFG2022-00423/) | | Mar 23, 2022 | Electrical | Installing a 7.6kW roof-mounted PV system per appended plans. | $22,882 | [ELE2022-00437](https://nearbypermits.com/boulder/permit/ELE2022-00437/) | | Jun 8, 2021 | Electrical | VOID-180 Days no activity Install AC disconnect and GFCI outlet | $741 | [ELE2021-00878](https://nearbypermits.com/boulder/permit/ELE2021-00878/) | | Jun 4, 2021 | Mechanical (HVAC) | Installation of central AC | $4,820 | [MEC2021-01042](https://nearbypermits.com/boulder/permit/MEC2021-01042/) | | Nov 9, 2018 | Plumbing | Addition of 342 sf of habitable space in existing garage for new bedroom with new window openings and new 3/4 bath. Remodel consists of replacing two-car garage door with one-car garage door. Associated MEPs. | $12,025 | [PLB2018-00211](https://nearbypermits.com/boulder/permit/PLB2018-00211/) | | Nov 9, 2018 | Mechanical (HVAC) | Addition of 342 sf of habitable space in existing garage for new bedroom with new window openings and new 3/4 bath. Remodel consists of replacing two-car garage door with one-car garage door. Associated MEPs. | $500 | [MEC2018-00497](https://nearbypermits.com/boulder/permit/MEC2018-00497/) | | Nov 9, 2018 | Electrical | Addition of 342 sf of habitable space in existing garage for new bedroom with new window openings and new 3/4 bath. Remodel consists of replacing two-car garage door with one-car garage door. Associated MEPs. | $10,000 | [ELE2018-00415](https://nearbypermits.com/boulder/permit/ELE2018-00415/) | | Nov 9, 2018 | Addition | Addition of 342 sf of habitable space in existing garage for new bedroom with new window openings and new 3/4 bath. Remodel consists of replacing two-car garage door with one-car garage door. Associated MEPs. 2/4/19 Scope change: new 14.5" x 20" window in shower. | $48,335 | [BLD-SFD2018-00133](https://nearbypermits.com/boulder/permit/BLD-SFD2018-00133/) | | Aug 4, 2006 | Mechanical (HVAC) | Second floor 939 sf addition over existing garage with split entry connection and 224 sf deck. | $4,500 | [PMT2006-02391-MEC](https://nearbypermits.com/boulder/permit/PMT2006-02391-MEC/) | | Aug 4, 2006 | Electrical | Second floor 939 sf addition over existing garage with split entry connection and 224 sf deck. | $4,000 | [PMT2006-02391-ELE](https://nearbypermits.com/boulder/permit/PMT2006-02391-ELE/) | | Aug 4, 2006 | Addition | Second floor 939 sf addition over existing garage with split entry connection and 224 sf deck. | $108,918 | [PMT2006-02391](https://nearbypermits.com/boulder/permit/PMT2006-02391/) | | Oct 18, 2004 | Mechanical (HVAC) | mechanical permit to replace a water heater | $300 | [PMT2004-04054-MEC](https://nearbypermits.com/boulder/permit/PMT2004-04054-MEC/) | ## 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: - [3857 Orion Ct](https://nearbypermits.com/boulder/address/3857-orion-ct/): newest permit Aug 6, 2026 - [3844 Orion Ct](https://nearbypermits.com/boulder/address/3844-orion-ct/): newest permit Dec 3, 2024 - [3842 Orion Ct](https://nearbypermits.com/boulder/address/3842-orion-ct/): newest permit Jan 13, 2025 - [3841 Orion Ct](https://nearbypermits.com/boulder/address/3841-orion-ct/): newest permit Sep 24, 2026 - [3838 Orion Ct](https://nearbypermits.com/boulder/address/3838-orion-ct/): newest permit May 12, 2025 - [3837 Orion Ct](https://nearbypermits.com/boulder/address/3837-orion-ct/): newest permit Oct 7, 2026 - [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 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-09 09:24 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 16 permits at this address: https://nearbypermits.com/boulder/address/3851-orion-ct/