Most active commercial contractors in San Diego

2,000 contractors are named on 3 or more commercial and multifamily building permits in San Diego’s records, ranked by permit count. Bycor General Contractor leads with 242.

Source: building permit records from San Diego's daily open-data file, checked daily. Data through October 30, 2026. How we count

1. 1Bycor General Contractor242 permits · latest Sep 22
2. 2Aquinas Hvac240 permits · latest Oct 8
3. 3McCarthy Solar239 permits · latest Sep 19
4. 4scott plumbing220 permits · latest Aug 26
5. 5California Mechanical219 permits · latest Aug 26
6. 6ASI Hastings184 permits · latest Sep 10
7. 7RBCI, Inc.183 permits · latest Oct 7
8. 8Walter Anderson Plumbing182 permits · latest Sep 9
9. 9Archon Energy Solutions174 permits · latest Sep 10
10. 10Power Plus166 permits · latest Sep 10
11. 11Stan Ideker150 permits · latest Sep 4
12. 12Kennedy Electric148 permits · latest Aug 31
13. 13Lockrul Construction145 permits · latest Sep 30
14. 14Sara Mariana144 permits · latest Sep 3
15. 15Nova Security143 permits · latest Sep 1
16. 16Lennar Homes of California, LLC122 permits · latest Jun 29
17. 17Symons Fire Protection121 permits · latest Aug 26
18. 18Ideal Fire Protection117 permits · latest Aug 24
19. 19Bright Company Inc113 permits · latest May 5
20. 20Juan Rosales111 permits · latest May 20
21. 21Toll West Coast, LLC111 permits · latest Jan 7
22. 22Russell Warner110 permits · latest Aug 28
23. 23Sky Ziv109 permits · latest Aug 27
24. 24Staples Energy109 permits · latest Sep 10
25. 25Western Fire Protection106 permits · latest Sep 4
26. 26Titan Fire Protection Inc.105 permits · latest Sep 5
27. 27A R S American Residential Services Of California Inc101 permits · latest Sep 15
28. 28Cami OKelly97 permits · latest Mar 24
29. 29Dexcore Restoration95 permits · latest Sep 9
30. 30Umair Sheikh95 permits · latest Sep 3
31. 31Juan Larios91 permits · latest Mar 18
32. 32Bright Restoration89 permits · latest Apr 13
33. 33JJJ Enterprises87 permits · latest Sep 10
34. 34JB Pacific86 permits · latest Oct 22
35. 35Bill Howe78 permits · latest Aug 26
36. 36Mascari Electric74 permits · latest Aug 25
37. 37Matrix Construction Services74 permits · latest Sep 15
38. 38Ivy Venegas73 permits · latest Sep 5
39. 39Rick Oriol73 permits · latest Aug 10
40. 40Cuesta Construction70 permits · latest Aug 10
41. 41Justin Espinoza68 permits · latest Jan 12
42. 42West Coast Heating Air Conditioning and Solar68 permits · latest Sep 9
43. 43Hiller67 permits · latest Aug 18
44. 44Burger Construction64 permits · latest Aug 31
45. 45Hiller Fire62 permits · latest Aug 14
46. 46S&L Specialty Construction Inc.59 permits · latest Sep 8
47. 47Low Voltage Integrated Systems58 permits · latest Sep 9
48. 48Schmidt Fire Protection58 permits · latest Sep 2
49. 49Jericho Martin57 permits · latest Mar 27
50. 50Action Air55 permits · latest May 8
51. 51American Home Remodeling Inc55 permits · latest Aug 11
52. 52Monarch Group55 permits · latest Jan 13
53. 53ASI Hastings HVAC Dept53 permits · latest Sep 4
54. 54Cosco Fire Protection52 permits · latest Sep 9
55. 55DPR Construction52 permits · latest Sep 10
56. 56Pronto Plumbing & Drains, Inc.51 permits · latest Jul 13
57. 57HCI Systems50 permits · latest Aug 21
58. 58Pacific Building Group50 permits · latest Sep 23
59. 59Premier Interior Development50 permits · latest Jan 8
60. 60Jeremy Murphy49 permits · latest Sep 3
61. 61T-Mobile49 permits · latest Jun 4
62. 62Aquatic Technologies48 permits · latest Sep 23
63. 63Licata Electric Inc.48 permits · latest May 21
64. 64Baker Electric47 permits · latest Jul 30
65. 65MC Contracting47 permits · latest Jul 13
66. 66Turner-Flatiron A Joint Venture47 permits · latest Aug 26
67. 67Alyson Jines45 permits · latest Sep 9
68. 68Douglas Daniels45 permits · latest Sep 2
69. 69Johnson Controls Fire Protection45 permits · latest Sep 4
70. 70William Lefever44 permits · latest May 14
71. 71Arrow Automatic Fire Sprinkler Inc.43 permits · latest Sep 22
72. 72Dialcom Systems Group43 permits · latest Aug 24
73. 73URC West Inc43 permits · latest Jul 30
74. 74Anthony Kaspar42 permits · latest Mar 26
75. 75National Air & Energy42 permits · latest Jul 31
76. 76Tristrux42 permits · latest Sep 3
77. 77Bycor Construction40 permits · latest Apr 21
78. 78Dynalectric40 permits · latest Aug 17
79. 79Innovative Fire Protection40 permits · latest Aug 20
80. 80Carini Heating & Air conditioning39 permits · latest May 28
81. 81Hollis Liebe39 permits · latest Jun 16
82. 82Premier Fire Corp38 permits · latest Sep 22
83. 83Refael Amar38 permits · latest Aug 24
84. 84Z Lightning Inc. dba Zed Electric38 permits · latest Aug 10
85. 85A-1 Fire Protection, Inc.37 permits · latest Sep 1
86. 86Ashley Hochstadt37 permits · latest Jul 20
87. 87Integrated Sign Associates37 permits · latest Aug 20
88. 88D & N Electric, Inc.36 permits · latest Sep 4
89. 89Dempsey Construction36 permits · latest Aug 21
90. 90Everon36 permits · latest Sep 8
91. 91Hiller Companies36 permits · latest Sep 8
92. 92Sygnal Systems36 permits · latest Apr 2
93. 93Better Earth Electric Inc35 permits · latest Dec 10
94. 94Dreamstyle Remodeling Of California35 permits · latest Oct 9
95. 95Rowan Electric35 permits · latest Sep 9
96. 96Bright Power34 permits · latest Aug 26
97. 97Dreamstyle Remodel of California34 permits · latest Oct 17
98. 98Ickler Electric34 permits · latest May 21
99. 99Jeff Bingham34 permits · latest Nov 12
100. 100kustom.us34 permits · latest Sep 10

Data through October 30, 2026.