Updated: Feb 10, 2026
Location and Projects
Address
22736 Worthington Ct., Harbor Springs, MI, 49740
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Mas Contracting Construction
Mas Contracting LLC, 22736 Worthington Ct, Harbor Springs, MI (Owned by: Struble, Michael Anthony) holds a Electrical Contractor license and 17 other licenses according to the Michigan license board.
Their BuildZoom score of 103 ranks in the top 10% of 167,179 Michigan licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mas Contracting LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mas Contracting LLC Services
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Mas Contracting LLC Contact Information
Phone Number: (586) 744-6382
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Address: 22736 Worthington Ct., Harbor Springs, MI 49740
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Complete hvac system to include exhaust fans & gas piping new construction of single family home 3320 sq ft with attached 3 car garage and deck full unfinished walk out basement simulated performance r19 walls r38 ceiling foundation r11 drape slab r10 2 perimeter. 12x12 detached deck with 1 set of stairs
Valuation:
N/A
Permit #:
PMEC2025-02562
Status:
issued
Fee:
$160
Permit Type:
N/A
Building Type:
N/A
Complete hvac to include gas piping & exhaust fans new 1 story single family home on a unfinished basement foundation attached 2 car garage front covered porch rear covered deck 3 bed rooms 2 bathroom rooms. foundation: 12 block wall on 8"x24 footing. insulation: above grade walls r20 foundation r13 attic r38 (prescriptive)
Valuation:
N/A
Permit #:
PMEC2025-01552
Status:
issued
Fee:
$140
Permit Type:
N/A
Building Type:
N/A
New single family residential
3335 Merrow Ln, Howell, MI, 48843
2024-02-15
Complete hvac systems to include finished basement bathroom fans & kitchen vent. two story single family dwelling attached four car garage covered porches deck gym partial finished walkout basement. foundation: 10 poured concrete basement walls spread & trench footings. insulation: prescriptive; r-38 ceiling r-20 above grade walls r-10 foundation walls. property is within a flood plai...
Valuation:
N/A
Permit #:
PMEC2024-00665
Status:
issued
Fee:
$245
Permit Type:
N/A
Building Type:
N/A
Complete hvac system to include gas piping & exhausting of bathroom fans. for: one story single family dwelling attached two car garage covered porch no deck unfinished walkout basement. foundation: 10 poured concrete basement walls form-a-drain footings. insulation: rem/rate; r-38 ceiling r-13 above grade walls r-11 foundation walls
Valuation:
N/A
Permit #:
PMEC2024-00648
Status:
issued
Fee:
$135
Permit Type:
N/A
Building Type:
N/A
Complete hvac system to include gas piping & exhaust fans. for: one story single family dwelling attached three car garage two covered porches unfinished basement. foundation: 10 poured concrete basement walls spread & trench footings. insulation: rescheck; r-49 ceiling r-19 above grade walls r-11 full height foundation walls. revision mjs remove 2 posts rear porch addition beam
Valuation:
N/A
Permit #:
PMEC2024-00518
Status:
issued
Fee:
$145
Permit Type:
N/A
Building Type:
N/A
Complete hvac system to include gas piping & exhaust fans. for: new 1 story single family home on a unfinished basement foundation 3 car garage front covered porch rear covered deck 3 bed rooms 3 bathroom rooms. foundation: 10 poured wall on 10"x20"footing. insulation: above grade walls r20 foundation r10 full height attic r38 (pesciptive)
Valuation:
N/A
Permit #:
PMEC2024-00408
Status:
issued
Fee:
$150
Permit Type:
N/A
Building Type:
N/A
Complete hvac system to include gas piping & exhausting of bathroom fans. for: two story single family dwelling attached two car garage covered porch no deck unfinished basement. foundation: 10 poured concrete basement walls form-a-drain footings. insulation: rem/rate; r-38 ceiling r-13 above grade walls r-11 in basement
Valuation:
N/A
Permit #:
PMEC2024-00410
Status:
issued
Fee:
$140
Permit Type:
N/A
Building Type:
N/A
Complete hvac system to include gas piping & exhausting of bathroom fans. for: two story single family dwelling attached two car garage covered porch no deck unfinished basement. foundation: 10 poured concrete basement walls form-a-drain footings. insulation: rem/rate; r-38 ceiling r-13 above grade walls r-11 in basement
Valuation:
N/A
Permit #:
PMEC2024-00409
Status:
issued
Fee:
$140
Permit Type:
N/A
Building Type:
N/A
Complete hvac system to include gas piping & exhaust fans. new 1 story single family home on a unfinished basment foundation 2 car garage front coverd porch rear covered deck 3 bed rooms 2 bathroom rooms. foundation: 10 poured wall on 8"x20"footing. insulation: above grade walls r20 foundation r10 full height attic r38 (prescriptive) revision addition retaining wall at rear of home
Valuation:
N/A
Permit #:
PMEC2024-00308
Status:
issued
Fee:
$140
Permit Type:
N/A
Building Type:
N/A
Complete hvac system including gas pipe and venting of bathroom fans. continuation of bld2023-03973. one story single family dwelling attached three car garage covered porch no deck. foundation: trench footings with 2 courses of cmu's slab on grade with radiant heat. insulation: prescriptive; r-38 ceiling r-20 above grade walls r-10 continuous entire house slab
Valuation:
N/A
Permit #:
PMEC2024-00300
Status:
issued
Fee:
$145
Permit Type:
N/A
Building Type:
N/A
Complete hvac system to include gas piping & exhausting of bathroom fans. for:new 1 story single family home on a unfinished basement foundation 2 car garage front covered porch no decks 3 bed rooms 2 1/2 bathroom rooms. foundation: 10 poured wall on a 6"x20 footing. insulation: above grade walls r13 foundation r11 full height attic r38 (rem/rate)
Valuation:
N/A
Permit #:
PMEC2023-04740
Status:
issued
Fee:
$140
Permit Type:
N/A
Building Type:
N/A
Complete hvac system including basement venting of bathroom fans and gas pipe for: new 1 story single family attached condo in a 2 unit building (building 15) 2 car garage with a unfinished basement front covered porch rear deck 2 bedrooms with 2 baths. foundation: 10 poured wall on a 10"x20 poured footing insulation: r19 in walls r11 full height drape in basement r38 in attic (ekotrope)
Valuation:
N/A
Permit #:
PMEC2023-04291
Status:
issued
Fee:
$140
Permit Type:
N/A
Building Type:
N/A
Complete hvac system including basement venting of bathroom fans and gas pipe for: new 1 story single family attached condo in a 2 unit building (building 15) 2 car garage with a unfinished basement front covered porch rear deck 2 bedrooms with 2 baths. foundation: 10 poured wall on a 10"x20 poured footing insulation: r19 in walls r11 full height drape in basement r38 in attic (ekotrope)
Valuation:
N/A
Permit #:
PMEC2023-04290
Status:
issued
Fee:
$140
Permit Type:
N/A
Building Type:
N/A
Complete hvac system to include gas piping & exhausting of bathroom fans. two story single family dwelling attached two car garage covered porch no deck unfinished basement. foundation: 10 poured concrete basement walls form-a-drain footings. insulation: rem/rate; r-38 ceiling r-13 above grade walls r-11 in basement
Valuation:
N/A
Permit #:
PMEC2023-03527
Status:
issued
Fee:
$140
Permit Type:
N/A
Building Type:
N/A
Complete hvac to include gas piping & exhausting of bathroom fans. for: two story single family dwelling attached two car garage with finished closet above covered porch no deck unfinished basement. foundation: 10 poured concrete basement walls form-a-drain footings. insulation: rem/rate; r-38 ceiling r-13 above grade walls r-11 in basement
Valuation:
N/A
Permit #:
PMEC2023-03285
Status:
issued
Fee:
$140
Permit Type:
N/A
Building Type:
N/A
Complete hvac system to include gas piping & exhaust fans. new 2 story single family home on a unfinished basment foundation 3 car garage front covered porch rear deck 3 bed rooms 3 1/2 bathroom rooms. foundation: 10 pored wall on a 10 x 20 trench footing. insulation: above grade walls r19 foundation wall r 11 full height attic r 38 (rescheck) revision 9/28/2022 jgb. a sub footing bei... see more
Valuation:
N/A
Permit #:
PMEC2023-00618
Status:
issued
Fee:
$140
Permit Type:
N/A
Building Type:
N/A
Complete hvac system to include exhaust fans & gas piping new single family home on full unfinished basement 3 car attached garage covered front and rear porches. prescriptive energy method r38 ceiling r20 walls r10 continuous or r13 stud cavity foundation r30 floors
Valuation:
N/A
Permit #:
PMEC2023-00172
Status:
issued
Fee:
$140
Permit Type:
N/A
Building Type:
N/A
Complete hvac system to include venting of bathroom fans & gas piping. one story single family dwelling attached three car garage covered porch no decks unfinished basement. foundation: 10 poured concrete basement walls form-a-drain footings. insulation: rem/rate; r-38 ceiling r-13 above grade walls r-11 foundation walls
Valuation:
N/A
Permit #:
PMEC2023-00924
Status:
issued
Fee:
$140
Permit Type:
N/A
Building Type:
N/A
Complete hvac system to include gas piping exhaust fans & kitchen vent. one story single family dwelling attached four car garage covered porches unfinished daylight basement. foundation: 10 poured concrete basement walls spread & trench footings. insulation: prescriptive; r-38 ceiling r-20 above grade walls r-13 or r-10 foundation walls
Valuation:
N/A
Permit #:
PMEC2023-01323
Status:
issued
Fee:
$165
Permit Type:
N/A
Building Type:
N/A
Complete hvac system to include gas piping & venting of exhaust fans. - new 1 story single family home on a unfinished basement foundation 2 car garage front covered porch no decks 3 bed rooms 2 bathroom rooms. foundation: 10 poured wall on a 6"x19 footing. insulation: above grade walls r13 foundation r11 full height attic r38 (rem/rate)
Valuation:
N/A
Permit #:
PMEC2023-01232
Status:
issued
Fee:
$140
Permit Type:
N/A
Building Type:
N/A
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Mas Contracting LLC Reviews
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Verified License
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Mas Contracting LLC License info
Verified License
| License # | 6108457 |
| Status | Active |
| State | Michigan |
| Type | Electrical Contractor |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Mas Contracting LLC at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CONT-2243 |
| Status | Active |
| City | Ann Arbor |
| Type | Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2025. Check the current license status of Mas Contracting LLC with the The City of Ann Arbor, MI
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CONT-130276 |
| Status | Active |
| City | Ann Arbor |
- When BuildZoom last verified this license, it had an expiration date of August, 2019. Check the current license status of Mas Contracting LLC with the The City of Ann Arbor, MI
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | EL.47212 |
| Status | Active |
| City | Ohio Professional |
| Type | Electrical Contractors |
- When BuildZoom last verified this license, it had an expiration date of September, 2015. Check the current license status of Mas Contracting LLC with the Ohio Professional License Center
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | EL-0000047212 |
| Status | Active |
| State | Ohio |
| Type | Electrician |
- When BuildZoom last verified this license, it had an expiration date of September, 2015. Check the current license status of Mas Contracting LLC with the Ohio Department of Commerce
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 2103177530 |
| Status | Active |
| State | Michigan |
| Type | M & A - Individual, Roofing M, Siding K |
- When BuildZoom last verified this license, it had an expiration date of May, 2014. Check the current license status of Mas Contracting LLC with the Michigan Department of Licensing & Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 2102177672 |
| Status | Active |
| State | Michigan |
| Type | Builder - Company |
- When BuildZoom last verified this license, it had an expiration date of May, 2017. Check the current license status of Mas Contracting LLC with the Michigan Department of Licensing & Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2102177672 |
| Status | Inactive |
| State | Michigan |
| Type | Residential Builder Company |
- According to the Michigan Department of Licensing & Regulatory Affairs, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Mas Contracting LLC at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 4100292 |
| Status | Inactive |
| State | Michigan |
| Type | Electrical Reciprocal Registration |
- According to the Michigan Department of Licensing & Regulatory Affairs, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Mas Contracting LLC at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 6109240 |
| Status | Inactive |
| State | Michigan |
| Type | Electrical Contractor |
- According to the Michigan Department of Licensing & Regulatory Affairs, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Mas Contracting LLC at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 7115592 |
| Status | Inactive |
| State | Michigan |
| Type | Mechanical Contractor |
- According to the Michigan Department of Licensing & Regulatory Affairs, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Mas Contracting LLC at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 6109240 |
| Status | Inactive |
| State | Michigan |
| Type | Electrical Contractor |
- According to the Michigan Department of Licensing & Regulatory Affairs, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Mas Contracting LLC at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 7115592 |
| Status | Inactive |
| State | Michigan |
| Type | Mechanical Contractor |
- According to the Michigan Department of Licensing & Regulatory Affairs, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Mas Contracting LLC at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 4100470 |
| Status | Inactive |
| State | Michigan |
| Type | Electrical Reciprocal Registration |
- According to the Michigan Department of Licensing & Regulatory Affairs, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Mas Contracting LLC at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 4100292 |
| Status | Inactive |
| State | Michigan |
| Type | Electrical Reciprocal Registration |
- According to the Michigan Department of Licensing & Regulatory Affairs, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Mas Contracting LLC at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 6105126 |
| Status | Inactive |
| State | Michigan |
| Type | Electrical Contractor |
- According to the Michigan Department of Licensing & Regulatory Affairs, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Mas Contracting LLC at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 7115592 |
| Status | Inactive |
| State | Michigan |
- According to the Michigan Department of Licensing & Regulatory Affairs, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Mas Contracting LLC at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CONT-1463 |
| Status | Inactive |
| City | Ann Arbor |
| Type | Contractor |
- According to the The City of Ann Arbor, MI, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Mas Contracting LLC at the The City of Ann Arbor, MI.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
951
Permits
- Building permit records show that Mas Contracting LLC has worked on 951 permitted projects.
Mas Contracting LLC Employees
JM
John William Marhofer
MS
Mark Schuknecht
Owner
MS
Mark A Schuknecht
MI
Mas Electric Inc
Owner
MS
Mas Electrical Services
MS
Michael Struble
Owner
MS
Michael A Struble
MS
Michael Anthony Struble
SJ
Sheats, Mark Allen Jr
Owner
SA
Struble, Michael Anthony
Owner