Nearby Permits

3450 Mitchell Ln

Boulder, CO 80301

115 permits on record here. The newest, Feb 17: Ventilation upgrade affecting the first floor machine shop. Boulder publishes permits without map coordinates, so this address has no map and no quarter-mile list.

Here115 permits · 3450 Mitchell Ln
  1. Ventilation upgrade affecting the first floor machine shop
    Mechanical (HVAC)
    Feb 17$320,000
  2. Full Fire Alarm Replacement in buildings FL1, FL2, & FL3
    Fire systems
    Feb 9$1,159,916
  3. Replacing 2 existing skylights with like in kind and adding 2 Tubular Skylights for FL 3 (Building 3) on a…
    Alteration or repair
    Oct 29, 2025$247,457
  4. Replacing 4 existing skylights with like in kind for FL 2 (Building 2) on a existing non-residential building
    Alteration or repair
    Oct 29, 2025$456,167
  5. Replacing 5 existing skylights with like in kind and one motorized shade replacement for FL 1 (Building 1) on…
    Alteration or repair
    Oct 29, 2025$594,067
  6. Additional Electrical Circuits for Fire Alarm System
    Electrical
    Oct 14, 2025$10,000
  7. VOID- Over 180 Days No Activity Building FL2 Total tear-off & reroof
    Roofing
    Jan 7, 2025$602,830
  8. VOID-Inspections not completed within 180 days This is for Building FL3
    Roofing
    Jan 7, 2025$367,510
  9. VOID-180 Days no activity All structures on the property must be permitted separately Total tear-off & reroof…
    Roofing
    Nov 15, 2024$795,850
  10. Install a new AES 7707P-88 radio to monitor the existing Siemens XLS fire alarm system.(FAR)
    Fire systems
    Aug 8, 2024$1,100
  11. Install a new AES 7707P-88 radio to monitor the existing Notifier 5000 fire alarm system × 2 permits
    Fire systems
    Mar 14, 2022$1,100
  12. Build a new 285 sq. ft. bike shelter
    New building
    Jan 31, 2020$38,367
  13. Replacement of one automatic transfer switch with three new automatic transfer switches (3)
    Electrical
    Dec 3, 2018$90,000
  14. Installation of a new, above ground
    Electrical
    Nov 27, 2018$77,197
  15. FA - Installation of an AES 7788F Radio to monitor the existing Notifier 5000 Alarm System
    Fire systems
    Jun 1, 2017$600
  16. Relocate and install replacement grease interceptor
    Plumbing
    Dec 2, 2016$145,750
  17. Fs - es - tf for office area
    Fire systems
    Dec 3, 2014$1,544
  18. Interior, non-structural reconfiguration of existing professional office space (500SF)
    Mechanical (HVAC)
    Dec 1, 2014$6,300
  19. Interior, non-structural reconfiguration of existing professional office space (500SF)
    Electrical
    Dec 1, 2014$15,222
  20. Interior, non-structural reconfiguration of existing professional office space (500SF)
    Alteration or repair
    Dec 1, 2014$45,077
  21. Addition of three office spaces and splitting one room into two rooms
    Mechanical (HVAC)
    May 2, 2011$5,000
  22. Addition of three office spaces and splitting one room into two rooms
    Electrical
    May 2, 2011$4,000
  23. Addition of three office spaces and splitting one room into two rooms
    Alteration or repair
    May 2, 2011$46,252
  24. Tennant Finish Sprinkler For NCAR Relocation of 4 Sprinkler Heads and Addition of One Sprinkler Head for…
    Fire systems
    Apr 21, 2011$1,200
  25. Tennant Finish Sprinkler NCAR Bldg. 3 Third Floor
    Fire systems
    Jun 8, 2010$800
  26. Tenanr remodel of 360 square feet to include removal of existing roof top unit
    Mechanical (HVAC)
    May 20, 2010$8,435
  27. Tenanr remodel of 360 square feet to include removal of existing roof top unit
    Electrical
    May 20, 2010$3,788
  28. Tenanr remodel of 360 square feet to include removal of existing roof top unit
    Alteration or repair
    May 20, 2010$24,790
  29. Tennant Finish Fire Alarm
    Fire systems
    Aug 26, 2009$1,500
  30. Tenant remodel of 924 sf to create four offices and a meeting area out of existing floor area (area/room 3094)
    Plumbing
    Aug 19, 2009$1,500
  31. Tenant remodel of 924 sf to create four offices and a meeting area out of existing floor area (area/room 3094)
    Mechanical (HVAC)
    Aug 19, 2009$7,000
  32. Tenant remodel of 924 sf to create four offices and a meeting area out of existing floor area (area/room 3094)
    Electrical
    Aug 19, 2009$7,000
  33. Tenant remodel of 924 sf to create four offices and a meeting area out of existing floor area (area/room 3094)
    Alteration or repair
    Aug 19, 2009$63,419
  34. Scope of Work Letter for NCAR
    Fire systems
    Aug 18, 2009$245
  35. Non-structural demolition permit for work proposed through PMT2009-02981
    Demolition
    Aug 11, 2009not listed
  36. Interior remodel of 2nd and 3rd floor including removal and installation of walls for offices
    Mechanical (HVAC)
    Jul 21, 2006$9,000
  37. Interior remodel of 2nd and 3rd floor including removal and installation of walls for offices
    Electrical
    Jul 21, 2006$12,200
  38. Interior remodel of 2nd and 3rd floor including removal and installation of walls for offices
    Alteration or repair
    Jul 21, 2006$61,000
  39. Fire Sprinkler System - relocates
    Fire systems
    Jul 18, 2006$1,750
  40. UCAR-New Fire Alarm system for Building FL-0
    Fire systems
    Jan 12, 2006$51,000
  41. Fire Sprinkler System changes Building #0- This is for the sprinkler heads located under the bridge etc.
    Fire systems
    Dec 2, 2005$19,756
  42. Computer room buildout in basement for future tennant - UCAR
    Plumbing
    Nov 16, 2005$5,000
  43. Computer room buildout in basement for future tennant - UCAR
    Mechanical (HVAC)
    Nov 16, 2005$85,000
  44. Computer room buildout in basement for future tennant - UCAR
    Electrical
    Nov 16, 2005$80,000
  45. Computer room buildout in basement for future tennant - UCAR
    Other
    Nov 16, 2005$48,539
  46. 2 new elevators, 1 freight 4000lb
    Elevator
    May 18, 2005$198,000
  47. Fire sprinkler system - New Building
    Fire systems
    Apr 11, 2005$110,000
  48. New three story building with basement
    Plumbing
    Jan 26, 2005$600,000
  49. New three story building with basement
    Mechanical (HVAC)
    Jan 26, 2005$1,600,000
  50. New three story building with basement
    Electrical
    Jan 26, 2005$1,000,054
  51. New three story building with basement
    New building
    Jan 26, 2005$6,821,065
  52. Footing and foundation only permit
    New building
    Nov 10, 2004not listed
  53. Relocate electrical feed
    Electrical
    Oct 13, 2004$27,500
  54. Remodel of kitchen area in NCAR building
    Plumbing
    Dec 23, 2003$17,506
  55. Remodel of kitchen area in NCAR building
    Mechanical (HVAC)
    Dec 23, 2003$10,400
  56. Remodel of kitchen area in NCAR building
    Electrical
    Dec 23, 2003$11,587
  57. Remodel of kitchen area in NCAR building
    Alteration or repair
    Dec 23, 2003$225,639
  58. Provide necessary labor & material to install microlight door edges & battery lowering on six 3 stop elevators
    Elevator
    Jul 18, 2003$25,852
  59. Fire Sprinkler system
    Fire systems
    Jun 22, 2001$4,000
  60. Addition of second floor reinforcing for structural support
    Alteration or repair
    Jun 4, 2001$12,000
  61. Re-roof - Building #2
    Roofing
    Jun 27, 2000$124,891
  62. Re-roof - Building #1
    Roofing
    Jun 27, 2000$239,401
  63. Suppression system for Kitchen Hood
    Fire systems
    Jun 19, 2000$1,000
  64. Tear off and reroof with mechanically fastened system
    Roofing
    Jun 13, 2000$110,176
  65. Fire sprinkler system - Buildings Foothills lab 1, 2, 3 and 4
    Fire systems
    Apr 3, 2000$3,200
  66. Relocating heads for a fire sprinkler system
    Fire systems
    Mar 29, 2000$3,500
  67. Remove existing computer room HVAC and replace with new
    Plumbing
    Jan 12, 2000$750
  68. Remove existing computer room HVAC and replace with new
    Mechanical (HVAC)
    Jan 12, 2000$18,840
  69. Remove existing computer room HVAC and replace with new
    Electrical
    Jan 12, 2000$15,387
  70. Remove existing computer room HVAC and replace with new
    Alteration or repair
    Jan 12, 2000$56,073
  71. Remove EPDM roof and re-roof with 2 ply and SBS cap
    Roofing
    Sep 8, 1999$30,250
  72. Fire install fire sprinkler system
    Fire systems
    Apr 12, 1999$890
  73. Mechanical mechanical for tenant finish × 2 permits
    Mechanical (HVAC)
    Jan 28, 1999 to Mar 29, 1999$31,358
  74. Electrical electrical for tenant finish
    Electrical
    Mar 29, 1999$4,375
  75. Tenant remodel the original general permit number is 992527
    Alteration or repair
    Mar 29, 1999$65,000
  76. Electrical wiring for tenant finish
    Electrical
    Dec 22, 1998$21,109
  77. Fire install fire sprinkler system
    Fire systems
    Dec 18, 1998$4,000
  78. Mechanical replace 2000 mbh @ 840 btu cu FT low pressure boil
    Mechanical (HVAC)
    Dec 3, 1998$145,788
  79. Tenant finish the original general permit number is 988180
    Alteration or repair
    Dec 1, 1998$97,000
  80. Install satellite antenna the original general permit number is 986498
    New building
    Sep 24, 1998$7,600
  81. Install 3 satellites the original general permit number is 984296
    New building
    Jul 13, 1998$1,500
  82. Mechanical move condenser unit
    Mechanical (HVAC)
    Nov 21, 1997$2,658
  83. Electrical electrical wiring
    Electrical
    Oct 28, 1997$850
  84. Install 2 roof hatches the original general permit number is 976459
    Alteration or repair
    Oct 21, 1997$8,000
  85. Demolition interior demo & prep work for roof hatches
    Demolition
    Oct 9, 1997not listed
  86. Mechanical NEW A/C
    Mechanical (HVAC)
    Aug 28, 1997$1,100
  87. Electrical electrical tenant finish
    Electrical
    Aug 20, 1997$1,500
  88. Tenant finish - conference room the original general permit number is 974818
    Alteration or repair
    Aug 18, 1997$14,000
  89. Mechanical relocate diffusers
    Mechanical (HVAC)
    Aug 12, 1997$900
  90. Electrical electrical wiring
    Electrical
    Jul 15, 1997$3,500
  91. Office remodel the original general permit number is 974087
    Alteration or repair
    Jul 9, 1997$10,000
  92. Fire replace a fire sprinkler system
    Fire systems
    Jun 12, 1997$1,000
  93. Electrical electrical on remodel
    Electrical
    May 29, 1997$14,000
  94. Mechanical four vav boxes & ductwork
    Mechanical (HVAC)
    Feb 7, 1997$7,500
  95. Room renovation the original general permit number is 970503
    Alteration or repair
    Jan 30, 1997$42,500
  96. Fire fire sprinkler system 2 heads
    Fire systems
    Jan 6, 1997$450
  97. Remodel the original general permit number is 968381
    Alteration or repair
    Dec 26, 1996$20,000
  98. Reinforce floor the original general permit number is 966444
    Alteration or repair
    Oct 1, 1996$25,000
  99. Mechanical replace boiler,new fan coil unit,2 preheat coils,d
    Mechanical (HVAC)
    Aug 23, 1996$69,600
  100. Installation of ground mounted satellite the original general permit number is
    New building
    Nov 6, 1995$2,500
  101. Fence erect a 7 FT wood trash enclosure (7 FT max hgt)
    Fence, wall or deck
    Oct 30, 1995$2,900
  102. Electrical install outlets and switches
    Electrical
    Jun 23, 1993$250
  103. Tenant remodel the original general permit number is 933723
    Alteration or repair
    May 28, 1993$37,389
  104. Electrical temp control wiring
    Electrical
    Nov 14, 1991$40,000
  105. Fire rmdl fire spklr sys
    Fire systems
    Nov 9, 1990not listed
  106. Plumbing int fnsh plbg
    Plumbing
    Sep 28, 1990$10,000
  107. Electrical RMDL WIRING
    Electrical
    Sep 28, 1990$45,000
  108. Ten fnsh. The original general permit number is r3525
    Alteration or repair
    Sep 28, 1990$261,710
  109. Fire add to fire spklr sys
    Fire systems
    Sep 26, 1990not listed
  110. Mechanical INT FNSH HVAC
    Mechanical (HVAC)
    Sep 20, 1990$125,000
  111. Electrical ten rmdl wiring
    Electrical
    Sep 18, 1990$85,000
  112. Ten fnsh. The original general permit number is r3150
    Alteration or repair
    Sep 18, 1990$261,710
  113. Electrical rewire low voltage temp
    Electrical
    Sep 14, 1990$30,000

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Boulder Planning and Development Services updated its data Oct 5, 2026. We checked it Oct 6, 08:06 UTC. See the city's official records.

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