Licensed plumbers in Chesapeake, VA

107 plumbers hold an active licence on the Virginia Board for Contractors (DPOR) register in Chesapeake, checked 4 Nov 2026: 78 licensed 10 years or more and 6 with a complaint or board disclosure on record. Ranked by a published formula; nobody pays to move up.

Active licences
107
Median time licensed
19.2 yrs
Lead-Safe certified
1
Google reviews
4,715

Filled tags sit at the business's Google location; hollow tags show its mailing ZIP code only. Each tag is the theoPros score.

Ranked list

Showing 107 of 107

  1. 1

    Richardson Plumbing Co Inc

    Chesapeake, VA · Virginia DPOR PLB #2705073599 · licensed 24 yrs

    • Licence active
    • No complaints
    1005.0(361)Full report
  2. 2

    Smith and Keene Electric Service LLC

    Chesapeake, VA · Virginia DPOR ELE #2701005782 · licensed 66 yrs

    • Licence active
    • No complaints
    944.7(870)Full report
  3. 3

    Academy Enterprises Construction LLC

    Chesapeake, VA · Virginia DPOR PLB #2705111172 · licensed 20 yrs

    • Licence active
    • No complaints
    915.0(11)Full report
  4. 4

    Premier Plumbing LLC

    Chesapeake, VA · Virginia DPOR PLB #2705031020 · licensed 31 yrs

    • Licence active
    • No complaints
    884.4(195)Full report
  5. 5

    It S Electric Inc

    Chesapeake, VA · Virginia DPOR ELE #2705068701 · licensed 24 yrs

    • Licence active
    • No complaints
    885.0(6)Full report
  6. 6

    Affordable Luxuries LLC

    Chesapeake, VA · Virginia DPOR ELE #2705088982 · licensed 22 yrs

    • Licence active
    • No complaints
    885.0(6)Full report
  7. 7

    Comfort Systems of Virginia Inc

    Chesapeake, VA · Virginia DPOR PLB #2705107231 · licensed 20 yrs

    • Licence active
    • No complaints
    864.4(26)Full report
  8. 8

    Mechtech Services Inc

    Chesapeake, VA · Virginia DPOR ELE #2705074301 · licensed 24 yrs

    • Licence active
    • No complaints
    824.2(5)Full report
  9. 9

    One Stop Plumbing Co L.l.c.

    Chesapeake, VA · Virginia DPOR PLB #2705149070 · licensed 14 yrs

    • Licence active
    • No complaints
    814.6(153)Full report
  10. 10

    Rbh Plumbing & Heating Company Inc

    Chesapeake, VA · Virginia DPOR PLB #2705015614 · licensed 34 yrs

    • Licence active
    • No complaints
    814.0(4)Full report
  11. 11

    Jt Plumbing & Improvement Inc

    Chesapeake, VA · Virginia DPOR PLB #2705081194 · licensed 23 yrs

    • Licence active
    • No complaints
    814.0(5)Full report
  12. 12

    The Davishar Group Inc

    Chesapeake, VA · Virginia DPOR PLB #2701026645 · licensed 44 yrs

    • Licence active
    • No complaints
    773.4(5)Full report
  13. 13

    Hampton Roads Mechanical of Virginia LLC

    Chesapeake, VA · Virginia DPOR PLB #2705137037 · licensed 16 yrs

    • Licence active
    • No complaints
    774.4(5)Full report
  14. 14

    Get Lit Electrical LLC

    Chesapeake, VA · Virginia DPOR ELE #2705174202 · licensed 7 yrs

    • Licence active
    • No complaints
    764.9(2,433)Full report
  15. 15

    Choice Builders of Virginia Inc

    Chesapeake, VA · Virginia DPOR ROC #2705138907 · licensed 16 yrs

    • Licence active
    • No complaints
    755.0(1)Full report
  16. 16

    Coastal Breeze Heating and Cooling LLC

    Chesapeake, VA · Virginia DPOR PLB #2705182296 · licensed 5 yrs

    • Licence active
    • No complaints
    745.0(156)Full report
  17. 17

    Jr Plumbing & Mechanical Services LLC

    Chesapeake, VA · Virginia DPOR PLB #2705178536 · licensed 6 yrs

    • Licence active
    • No complaints
    704.7(248)Full report
  18. 18

    Craig Plumbing Co Ltd

    Chesapeake, VA · Virginia DPOR PLB #2705177836 · licensed 6 yrs

    • Licence active
    • No complaints
    705.0(19)Full report
  19. 19

    Piedmont Service Group LLC

    Chesapeake, VA · Virginia DPOR PLB #2705144357 · licensed 15 yrs

    • Licence active
    • No complaints
    703.7(6)Full report
  20. 20

    Byler Plumbing Inc.

    Chesapeake, VA · Virginia DPOR PLB #2705144563 · licensed 15 yrs

    • Licence active
    • No complaints
    703.8(11)Full report
  21. 21

    Jrc Mechanical LLC

    Chesapeake, VA · Virginia DPOR PLB #2705159585 · licensed 11 yrs

    • Licence active
    • No complaints
    704.3(33)Full report
  22. 22

    Guardian Sewer & Drain Inc

    Chesapeake, VA · Virginia DPOR PLB #2701027042 · licensed 41 yrs

    • Licence active
    • 1 complaint on record

    1 disciplinary action on the Virginia DPOR record

    674.3(11)Full report
  23. 23

    Curtis W Key Plumbing Contractors Inc

    Chesapeake, VA · Virginia DPOR PLB #2701026791 · licensed 41 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  24. 24

    Southeastern Mechanical Inc

    Chesapeake, VA · Virginia DPOR ELE #2701033217 · licensed 38 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  25. 25

    You Got It Inc

    Chesapeake, VA · Virginia DPOR PLB #2701036389 · licensed 37 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  26. 26

    David W Deffenbaugh

    Chesapeake, VA · Virginia DPOR ELE #2701037638 · licensed 36 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  27. 27

    Key Service Inc

    Chesapeake, VA · Virginia DPOR PLB #2701038867 · licensed 35 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  28. 28

    Tom Schlosser

    Chesapeake, VA · Virginia DPOR PLB #2705001485 · licensed 35 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  29. 29

    Sam Alston

    Chesapeake, VA · Virginia DPOR PLB #2705002502 · licensed 35 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  30. 30

    Jay S Ayers Jr & Jay S Ayers

    Chesapeake, VA · Virginia DPOR PLB #2705004111 · licensed 35 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  31. 31

    Raymond C Stutz

    Chesapeake, VA · Virginia DPOR PLB #2705005634 · licensed 35 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  32. 32

    Thomas Garland Stanton III

    Chesapeake, VA · Virginia DPOR PLB #2705010195 · licensed 35 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  33. 33

    Thomas Wayne Brooks

    Chesapeake, VA · Virginia DPOR PLB #2705013357 · licensed 34 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  34. 34

    Wyatt & Co of Virginia Inc

    Chesapeake, VA · Virginia DPOR PLB #2705038273 · licensed 30 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  35. 35

    Waterway Plumbing Incorporated

    Chesapeake, VA · Virginia DPOR ELE #2705040961 · licensed 29 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  36. 36

    Larry W Bice

    Chesapeake, VA · Virginia DPOR PLB #2705048775 · licensed 28 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  37. 37

    Conner Mechancial Inc

    Chesapeake, VA · Virginia DPOR PLB #2705049085 · licensed 28 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  38. 38

    Bumann Construction Inc

    Chesapeake, VA · Virginia DPOR ELE #2705049660 · licensed 27 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  39. 39

    Stephen Anthony Lex

    Chesapeake, VA · Virginia DPOR PLB #2705072438 · licensed 24 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  40. 40

    John Davis Hughes

    Chesapeake, VA · Virginia DPOR ELE #2705074297 · licensed 24 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  41. 41

    Mccormick-core Inc

    Chesapeake, VA · Virginia DPOR PLB #2705074654 · licensed 24 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  42. 42

    Charles N Mciver

    Chesapeake, VA · Virginia DPOR PLB #2705081031 · licensed 23 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  43. 43

    James L Bentley

    Chesapeake, VA · Virginia DPOR PLB #2705085085 · licensed 22 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  44. 44

    Starling Guttering & Associates of Southside Inc

    Chesapeake, VA · Virginia DPOR PLB #2705086100 · licensed 22 yrs

    • Licence active
    • No complaints
    • EPA Lead-Safe
    61No Google reviews yetFull report
  45. 45

    Allied Contracting LLC

    Chesapeake, VA · Virginia DPOR PLB #2705088257 · licensed 22 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  46. 46

    Better Electric Inc

    Chesapeake, VA · Virginia DPOR ELE #2705094501 · licensed 22 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  47. 47

    Quality Plumbing & Mechanical Inc

    Chesapeake, VA · Virginia DPOR PLB #2705097049 · licensed 21 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  48. 48

    Stephen Patrick Doane

    Chesapeake, VA · Virginia DPOR ELE #2705098707 · licensed 21 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  49. 49

    David Neil Andrews

    Chesapeake, VA · Virginia DPOR PLB #2705101264 · licensed 21 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  50. 50

    Dennis Wilfred Midgette III

    Chesapeake, VA · Virginia DPOR PLB #2705101544 · licensed 21 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  51. 51

    Bryant-ritter Electric LLC

    Chesapeake, VA · Virginia DPOR ELE #2705102555 · licensed 21 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  52. 52

    Freedom Electric Inc

    Chesapeake, VA · Virginia DPOR ELE #2705105893 · licensed 20 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  53. 53

    Design Plumbing & Mechanical Inc

    Chesapeake, VA · Virginia DPOR PLB #2705107750 · licensed 20 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  54. 54

    Garner Construction LLC

    Chesapeake, VA · Virginia DPOR PLB #2705108759 · licensed 20 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  55. 55

    Charles K Ragland

    Chesapeake, VA · Virginia DPOR PLB #2705110095 · licensed 20 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  56. 56

    Sheppard Quality Homes Inc

    Chesapeake, VA · Virginia DPOR PLB #2705106423 · licensed 20 yrs

    • Licence active
    • No complaints
    61No Google reviews yetFull report
  57. 57

    Skyline Plumbing Inc

    Chesapeake, VA · Virginia DPOR PLB #2705113227 · licensed 19 yrs

    • Licence active
    • No complaints
    60No Google reviews yetFull report
  58. 58

    Steve Lex Plumbing Co

    Chesapeake, VA · Virginia DPOR PLB #2705118916 · licensed 19 yrs

    • Licence active
    • No complaints
    60No Google reviews yetFull report
  59. 59

    Price Right Plumbing & Drain Cleaning Inc

    Chesapeake, VA · Virginia DPOR PLB #2705121323 · licensed 19 yrs

    • Licence active
    • No complaints
    59No Google reviews yetFull report
  60. 60

    Chesapeake Custom Plumbing Inc

    Chesapeake, VA · Virginia DPOR PLB #2705122988 · licensed 18 yrs

    • Licence active
    • No complaints
    58No Google reviews yetFull report
  61. 61

    Two Hands Plumbing Inc

    Chesapeake, VA · Virginia DPOR PLB #2705124402 · licensed 18 yrs

    • Licence active
    • No complaints
    57No Google reviews yetFull report
  62. 62

    Robert A Smith Jr

    Chesapeake, VA · Virginia DPOR PLB #2705129260 · licensed 17 yrs

    • Licence active
    • No complaints
    57No Google reviews yetFull report
  63. 63

    On Time Plumbing Inc

    Chesapeake, VA · Virginia DPOR PLB #2705130670 · licensed 17 yrs

    • Licence active
    • No complaints
    56No Google reviews yetFull report
  64. 64

    Acms LLC

    Chesapeake, VA · Virginia DPOR PLB #2705131881 · licensed 17 yrs

    • Licence active
    • No complaints
    56No Google reviews yetFull report
  65. 65

    Breey S Plumbing Service LLC

    Chesapeake, VA · Virginia DPOR PLB #2705133176 · licensed 17 yrs

    • Licence active
    • No complaints
    55No Google reviews yetFull report
  66. 66

    Robert N Tolbert

    Chesapeake, VA · Virginia DPOR PLB #2705136575 · licensed 16 yrs

    • Licence active
    • No complaints
    55No Google reviews yetFull report
  67. 67

    Spruill S Plumbing LLC

    Chesapeake, VA · Virginia DPOR PLB #2705140342 · licensed 16 yrs

    • Licence active
    • No complaints
    54No Google reviews yetFull report
  68. 68

    Kpm Heating and Air Conditioning Incorporated

    Chesapeake, VA · Virginia DPOR PLB #2705142019 · licensed 15 yrs

    • Licence active
    • No complaints
    53No Google reviews yetFull report
  69. 69

    Raymond H Mcpherson

    Chesapeake, VA · Virginia DPOR PLB #2705142589 · licensed 15 yrs

    • Licence active
    • No complaints
    53No Google reviews yetFull report
  70. 70

    Ctc Services of Va LLC

    Chesapeake, VA · Virginia DPOR PLB #2705146302 · licensed 14 yrs

    • Licence active
    • No complaints
    52No Google reviews yetFull report
  71. 71

    Ali - Cor Plumbing LLC

    Chesapeake, VA · Virginia DPOR PLB #2705149684 · licensed 14 yrs

    • Licence active
    • No complaints
    51No Google reviews yetFull report
  72. 72

    Maxwell Plumbing Inc

    Chesapeake, VA · Virginia DPOR PLB #2705150899 · licensed 13 yrs

    • Licence active
    • No complaints
    50No Google reviews yetFull report
  73. 73

    J&p Enterprize LLC

    Chesapeake, VA · Virginia DPOR ELE #2705152774 · licensed 12 yrs

    • Licence active
    • No complaints
    48No Google reviews yetFull report
  74. 74

    Michael Loar

    Chesapeake, VA · Virginia DPOR PLB #2705159194 · licensed 11 yrs

    • Licence active
    • No complaints
    46No Google reviews yetFull report
  75. 75

    Lester Deberry

    Chesapeake, VA · Virginia DPOR PLB #2705057802 · licensed 26 yrs

    • Licence active
    • 1 complaint on record

    1 disciplinary action on the Virginia DPOR record

    44No Google reviews yetFull report
  76. 76

    Community First Colonial Inc

    Chesapeake, VA · Virginia DPOR PLB #2705081074 · licensed 23 yrs

    • Licence active
    • 1 complaint on record

    1 disciplinary action on the Virginia DPOR record

    44No Google reviews yetFull report
  77. 77

    Thomasson Enterprises Inc

    Chesapeake, VA · Virginia DPOR ELE #2705081656 · licensed 23 yrs

    • Licence active
    • 1 complaint on record

    1 disciplinary action on the Virginia DPOR record

    44No Google reviews yetFull report
  78. 78

    Proficient Plumbing LLC

    Chesapeake, VA · Virginia DPOR PLB #2705161392 · licensed 10 yrs

    • Licence active
    • No complaints
    44No Google reviews yetFull report
  79. 79

    Integrity Plumbing and Cooling Inc

    Chesapeake, VA · Virginia DPOR PLB #2705112007 · licensed 20 yrs

    • Licence active
    • 1 complaint on record

    1 disciplinary action on the Virginia DPOR record

    44No Google reviews yetFull report
  80. 80

    Porter Plumbing LLC

    Chesapeake, VA · Virginia DPOR PLB #2705164596 · licensed 9 yrs

    • Licence active
    • No complaints
    43No Google reviews yetFull report
  81. 81

    Causeway Plumbing LLC

    Chesapeake, VA · Virginia DPOR PLB #2705167685 · licensed 9 yrs

    • Licence active
    • No complaints
    42No Google reviews yetFull report
  82. 82

    Pioneer Industries LLC

    Chesapeake, VA · Virginia DPOR PLB #2705168227 · licensed 9 yrs

    • Licence active
    • No complaints
    42No Google reviews yetFull report
  83. 83

    Mechanical Source Solutions LLC

    Chesapeake, VA · Virginia DPOR ELE #2705175376 · licensed 7 yrs

    • Licence active
    • No complaints
    39No Google reviews yetFull report
  84. 84

    Jack Keith Sizemore

    Chesapeake, VA · Virginia DPOR PLB #2705175741 · licensed 6 yrs

    • Licence active
    • No complaints
    39No Google reviews yetFull report
  85. 85

    Home Repair Specialists LLC

    Chesapeake, VA · Virginia DPOR PLB #2705176101 · licensed 6 yrs

    • Licence active
    • No complaints
    38No Google reviews yetFull report
  86. 86

    Ccs Developers LLC

    Chesapeake, VA · Virginia DPOR PLB #2705174186 · licensed 6 yrs

    • Licence active
    • No complaints
    38No Google reviews yetFull report
  87. 87

    Excellence Services LLC

    Chesapeake, VA · Virginia DPOR PLB #2705177547 · licensed 6 yrs

    • Licence active
    • No complaints
    38No Google reviews yetFull report
  88. 88

    Ames Plumbing Company LLC

    Chesapeake, VA · Virginia DPOR PLB #2705178848 · licensed 6 yrs

    • Licence active
    • No complaints
    37No Google reviews yetFull report
  89. 89

    J & S Mechanical Inc

    Chesapeake, VA · Virginia DPOR PLB #2705179258 · licensed 6 yrs

    • Licence active
    • No complaints
    37No Google reviews yetFull report
  90. 90

    Tidewater Plumbing Solutions LLC

    Chesapeake, VA · Virginia DPOR PLB #2705182718 · licensed 5 yrs

    • Licence active
    • No complaints
    36No Google reviews yetFull report
  91. 91

    Commercial Plumbing Inc

    Chesapeake, VA · Virginia DPOR PLB #2705183773 · licensed 4 yrs

    • Licence active
    • No complaints
    35No Google reviews yetFull report
  92. 92

    Acta LLC

    Chesapeake, VA · Virginia DPOR ELE #2705185054 · licensed 4 yrs

    • Licence active
    • No complaints
    35No Google reviews yetFull report
  93. 93

    Just in Time Plumbing and Gas LLC

    Chesapeake, VA · Virginia DPOR PLB #2705186504 · licensed 4 yrs

    • Licence active
    • No complaints
    34No Google reviews yetFull report
  94. 94

    Wet Plumbing Company LLC

    Chesapeake, VA · Virginia DPOR PLB #2705187137 · licensed 3 yrs

    • Licence active
    • No complaints
    33No Google reviews yetFull report
  95. 95

    Miller Oil Co Inc

    Chesapeake, VA · Virginia DPOR ELE #2701026617 · licensed 41 yrs

    • Licence active
    • 2 complaints on record

    2 disciplinary actions on the Virginia DPOR record

    33No Google reviews yetFull report
  96. 96

    Dixie Plumbing LLC

    Chesapeake, VA · Virginia DPOR PLB #2705187949 · licensed 3 yrs

    • Licence active
    • No complaints
    33No Google reviews yetFull report
  97. 97

    Luna Enterprise LLC

    Chesapeake, VA · Virginia DPOR PLB #2705185884 · licensed 3 yrs

    • Licence active
    • No complaints
    33No Google reviews yetFull report
  98. 98

    Harrisons Plumbing

    Chesapeake, VA · Virginia DPOR PLB #2705187875 · licensed 3 yrs

    • Licence active
    • No complaints
    33No Google reviews yetFull report
  99. 99

    Sac Plumbing and Construction LLC

    Chesapeake, VA · Virginia DPOR PLB #2705191047 · licensed 3 yrs

    • Licence active
    • No complaints
    32No Google reviews yetFull report
  100. 100

    Bufford Mechanical LLC

    Chesapeake, VA · Virginia DPOR PLB #2705195884 · licensed 1 yr

    • Licence active
    • No complaints
    30No Google reviews yetFull report
  101. 101

    White Oak Plumbing Inc

    Chesapeake, VA · Virginia DPOR PLB #2705196367 · licensed 1 yr

    • Licence active
    • No complaints
    30No Google reviews yetFull report
  102. 102

    Nicholas Modlin

    Chesapeake, VA · Virginia DPOR PLB #2705197753 · licensed 1 yr

    • Licence active
    • No complaints
    30No Google reviews yetFull report
  103. 103

    Ricardo Francois

    Chesapeake, VA · Virginia DPOR PLB #2705196798 · licensed <1 yr

    • Licence active
    • No complaints
    29No Google reviews yetFull report
  104. 104

    Dr. Plumber LLC

    Chesapeake, VA · Virginia DPOR PLB #2705198180 · licensed <1 yr

    • Licence active
    • No complaints
    29No Google reviews yetFull report
  105. 105

    Flomasters Plumbing and Drain LLC

    Chesapeake, VA · Virginia DPOR PLB #2705199874 · licensed <1 yr

    • Licence active
    • No complaints
    28No Google reviews yetFull report
  106. 106

    A & B Propane Inc

    Chesapeake, VA · Virginia DPOR PLB #2705006003 · licensed 35 yrs

    • Licence active
    • No complaints
    864.3(143)Full report
  107. 107

    Hydrologix Inc

    Chesapeake, VA · Virginia DPOR PLB #2705026700 · licensed 31 yrs

    • Licence active
    • No complaints
    845.0(2)Full report

Questions people ask about plumbers in Chesapeake

How many licensed plumbers are in Chesapeake?

107 plumbers hold an active Virginia Board for Contractors (DPOR) licence with a mailing address in Chesapeake, checked on 4 November 2026. 78 of them have been licensed for 10 years or more.

Does a plumber need a licence in Virginia?

Yes, when the job is worth over $1,000, and the licence class caps the job size: C up to $30,000, B up to $150,000, A above that. Below $1,000 no contractor licence is needed (Code of Virginia § 54.1-1100). Look for an active PLB licence.

How do I check a plumber's licence in Chesapeake?

Ask for the licence number and look it up on the Virginia DPOR website, or search this page. Every plumber listed here was matched to an active licence on the Virginia DPOR register.

Which plumbers rank highest in Chesapeake?

By our published formula (years licensed, complaint record, bond and insurance, and Google reviews), the top three are Richardson Plumbing Co Inc (100), Smith and Keene Electric Service LLC (94), Academy Enterprises Construction LLC (91). Paying or claiming a listing never changes the order.

How much do plumbers charge in Chesapeake?

Plumbers in the Virginia Beach-Chesapeake-Norfolk metro earn a median $29.75 an hour (BLS, May 2025); contractors typically bill about twice the wage to cover insurance, overhead and profit.

Do I need a lead-safe certified plumber in Chesapeake?

If your home was built before 1978 and the work disturbs paint, yes: the law requires a firm certified lead-safe by the US Environmental Protection Agency. 34% of homes here were built before 1980 (US Census, ACS 2024 1-year), and 1 of the 107 licensed plumbers listed are certified.