# Building permits at 4665 Nautilus Ct S, Boulder, CO 32 permits on record here. The newest, Apr 29, 2025: Voided for inactivity - no inspections for 180 days Installation of 30kW standby generator to connect 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 | |---|---|---|---|---| | Apr 29, 2025 | Alteration or repair | Voided for inactivity - no inspections for 180 days Installation of 30kW standby generator to connect to 150amp ATS with NG as fuel source (existing) *5/20/2025 Revision to one-line* | $30,000 | [BLD-NRE2025-00029](https://nearbypermits.com/boulder/permit/BLD-NRE2025-00029/) | | May 26, 2021 | Mechanical (HVAC) | *Voided for inactivity - no inspections within 180 days* Install exhaust fan. 3000 CFM | $5,027 | [MEC2021-00984](https://nearbypermits.com/boulder/permit/MEC2021-00984/) | | Mar 31, 2021 | Fire systems | Add new AES wireless radio to existing addressable Silent Knight SK-6808 fire alarm system. | $750 | [FIR2021-00100](https://nearbypermits.com/boulder/permit/FIR2021-00100/) | | Oct 12, 2020 | Fire systems | Scope of work - adding 9 sprinklers to cover clean room that will be added. See FIR2020-00304 for fire alarm permit. No general building permit apparent at the time of approval for this permit. Lupine medical | $495 | [FIR2020-00371](https://nearbypermits.com/boulder/permit/FIR2020-00371/) | | Aug 17, 2020 | Fire systems | Scope of work - adding notification to modular clean room that will be added + adding (2) devices to existing restrooms that do not currently have notification. No general building permit apparent at the time of approval for this permit. Lupine medical | $2,690 | [FIR2020-00304](https://nearbypermits.com/boulder/permit/FIR2020-00304/) | | Jan 8, 2020 | Mechanical (HVAC) | *Replace rooftop unit, 7.5-ton, same for same | $9,647 | [MEC2020-00027](https://nearbypermits.com/boulder/permit/MEC2020-00027/) | | Jun 21, 2019 | Electrical | UNIT 400: Installation of three new outlets next to main panel in warehouse. | $300 | [ELE2019-00863](https://nearbypermits.com/boulder/permit/ELE2019-00863/) | | Sep 18, 2017 | Mechanical (HVAC) | *Voided for not providing the requested revision-resubmit information within 180 days.*Installation of (2) replacement, 90k BTU, 13 SEER, 11.2 EER, 81% efficient single package RTUs (units #4 and #5), like for like in same location. Installation per manufacturer's specifications. No structural work/ | $14,547 | [PMT2017-03984-MEC](https://nearbypermits.com/boulder/permit/PMT2017-03984-MEC/) | | Jul 5, 2017 | Mechanical (HVAC) | Installation of a new 5 ton 14 SEER mini-split on roof of an exsisting mechanical building. See engineer's letter for specific requirements. | $9,000 | [PMT2017-02855-MEC](https://nearbypermits.com/boulder/permit/PMT2017-02855-MEC/) | | Mar 17, 2017 | Electrical | Suite 400: Electrical Service Change - replacing existing 400 Amp service with a new 400 Amp service for a manufacturing/processing facility. | $1,800 | [PMT2016-03582-ELE](https://nearbypermits.com/boulder/permit/PMT2016-03582-ELE/) | | Jun 14, 2016 | Alteration or repair | Suite 400: Interior tenant remodel to close off two door openings from Suite 400 to tenant space to the south. Full length of demising wall extended to under roof deck. One hour rating required. | $6,444 | [PMT2016-02755](https://nearbypermits.com/boulder/permit/PMT2016-02755/) | | Aug 21, 2008 | Fire systems | Tennant Finish Fire Alarm Suite 201 | $1,500 | [PMT2008-03606-FIR](https://nearbypermits.com/boulder/permit/PMT2008-03606-FIR/) | | Aug 21, 2008 | Plumbing | Suite # 201 -- Tenant remodel of 6700 sf to include reconfiguration of interior walls to create office cubicles, meeting rooms, & creation of a breakroom w/ sink & dishwasher. Fire sprinkler system by separate permit Relocate ductwork, includes associated electrical -- new lights, switches & outlets | $2,000 | [PMT2008-03247-PLB](https://nearbypermits.com/boulder/permit/PMT2008-03247-PLB/) | | Aug 21, 2008 | Mechanical (HVAC) | Suite # 201 -- Tenant remodel of 6700 sf to include reconfiguration of interior walls to create office cubicles, meeting rooms, & creation of a breakroom w/ sink & dishwasher. Fire sprinkler system by separate permit Relocate ductwork, includes associated electrical -- new lights, switches & outlets | $6,000 | [PMT2008-03247-MEC](https://nearbypermits.com/boulder/permit/PMT2008-03247-MEC/) | | Aug 21, 2008 | Electrical | Suite # 201 -- Tenant remodel of 6700 sf to include reconfiguration of interior walls to create office cubicles, meeting rooms, & creation of a breakroom w/ sink & dishwasher. Fire sprinkler system by separate permit Relocate ductwork, includes associated electrical -- new lights, switches & outlets | $18,000 | [PMT2008-03247-ELE](https://nearbypermits.com/boulder/permit/PMT2008-03247-ELE/) | | Aug 21, 2008 | Alteration or repair | Suite # 201 -- Tenant remodel of 6700 sf to include reconfiguration of interior walls to create office cubicles, meeting rooms, & creation of a breakroom w/ sink & dishwasher. Fire sprinkler system by separate permit Relocate ductwork, includes associated electrical -- new lights, switches & outlets | $106,000 | [PMT2008-03247](https://nearbypermits.com/boulder/permit/PMT2008-03247/) | | Jul 16, 2008 | Fire systems | Tennant Finish Sprinkler | $1,600 | [PMT2008-02996-FIR](https://nearbypermits.com/boulder/permit/PMT2008-02996-FIR/) | | Jul 16, 2008 | Fire systems | Tennant Finish Sprinkler | $1,100 | [PMT2008-02994-FIR](https://nearbypermits.com/boulder/permit/PMT2008-02994-FIR/) | | Jul 1, 2008 | Fire systems | Tennant Finish Fire Alarm For Suite 501 | $689 | [PMT2008-02688-FIR](https://nearbypermits.com/boulder/permit/PMT2008-02688-FIR/) | | Jul 1, 2008 | Fire systems | Tennan Finish Fire Alarm | $5,285 | [PMT2008-02655-FIR](https://nearbypermits.com/boulder/permit/PMT2008-02655-FIR/) | | Jun 27, 2008 | Plumbing | Tenant remodel of 1900 sf -- reconfiguration of interior partition walls, new lighting, reconfiguration of ductwork, add kitchen sink & dishwasher. | $1,500 | [PMT2008-02296-PLB](https://nearbypermits.com/boulder/permit/PMT2008-02296-PLB/) | | Jun 27, 2008 | Mechanical (HVAC) | Tenant remodel of 1900 sf -- reconfiguration of interior partition walls, new lighting, reconfiguration of ductwork, add kitchen sink & dishwasher. | $3,500 | [PMT2008-02296-MEC](https://nearbypermits.com/boulder/permit/PMT2008-02296-MEC/) | | Jun 27, 2008 | Electrical | Tenant remodel of 1900 sf -- reconfiguration of interior partition walls, new lighting, reconfiguration of ductwork, add kitchen sink & dishwasher. | $12,000 | [PMT2008-02296-ELE](https://nearbypermits.com/boulder/permit/PMT2008-02296-ELE/) | | Jun 27, 2008 | Alteration or repair | Tenant remodel of 1900 sf -- reconfiguration of interior partition walls, new lighting, reconfiguration of ductwork, add kitchen sink & dishwasher. | $38,000 | [PMT2008-02296](https://nearbypermits.com/boulder/permit/PMT2008-02296/) | | May 16, 2008 | Electrical | Install 6 exterior lighting ballards at front entry | $2,500 | [PMT2008-01971-ELE](https://nearbypermits.com/boulder/permit/PMT2008-01971-ELE/) | | Mar 20, 2008 | Fire systems | Tennant Finish Sprinkler | $1,151 | [PMT2008-00887-FIR](https://nearbypermits.com/boulder/permit/PMT2008-00887-FIR/) | | Aug 11, 2004 | Mechanical (HVAC) | Replacement of two RTU's (#6 - 225k BTU, 7.5 ton and #17 - 120k BTU, 4 ton) - same size and location. | $13,000 | [PMT2004-03152-MEC](https://nearbypermits.com/boulder/permit/PMT2004-03152-MEC/) | | Apr 24, 2001 | Fire systems | Fire Alarm system - Picolight | $800 | [PMT2001-01539-FIR](https://nearbypermits.com/boulder/permit/PMT2001-01539-FIR/) | | May 4, 2000 | Mechanical (HVAC) | Tenant remodel | $1,190 | [PMT2000-01844-MEC](https://nearbypermits.com/boulder/permit/PMT2000-01844-MEC/) | | May 4, 2000 | Electrical | Tenant remodel | $6,275 | [PMT2000-01844-ELE](https://nearbypermits.com/boulder/permit/PMT2000-01844-ELE/) | | May 4, 2000 | Alteration or repair | Tenant remodel | $30,290 | [PMT2000-01844](https://nearbypermits.com/boulder/permit/PMT2000-01844/) | | Nov 22, 1999 | Plumbing | Install dishwasher & sink. | $500 | [PMT1999-09239-PLB](https://nearbypermits.com/boulder/permit/PMT1999-09239-PLB/) | ## 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 Nautilus Ct S with permits, nearest house number first: - [4650 Nautilus Ct S](https://nearbypermits.com/boulder/address/4650-nautilus-ct-s/): newest permit Dec 10, 2025 - [4600 Nautilus Ct S](https://nearbypermits.com/boulder/address/4600-nautilus-ct-s/): newest permit Jul 27, 2026 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-11 19:54 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 32 permits at this address: https://nearbypermits.com/boulder/address/4665-nautilus-ct-s/