Updated: Jun 13, 2026
Location and Projects
Address
1116 N MEADOW LN, Mount Prospect, IL, 60056
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Mar Plumbing LLC
Mar Plumbing LLC, 1116 N Meadow Ln, Mount Prospect, IL (Owned by: Mariusz Kozik) holds a Contractor Registration license and 9 other licenses according to the Illinois license board.
Their BuildZoom score of 106 ranks in the top 7% of 65,686 Illinois licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mar Plumbing LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mar Plumbing LLC Services
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Mar Plumbing LLC Contact Information
Phone Number: (773) 510-3253
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Address: 1116 N MEADOW LN, Mount Prospect, IL 60056
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Mar Plumbing LLC Mount Prospect
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Mar Plumbing LLC has a BuildZoom score of 106, which places them above 93% of 65,686 contractors in Illinois.
Activity
|
20 projects
|
2025 |
|
13 projects
|
2024 |
|
14 projects
|
2023 |
Our building permit records indicate that Mar Plumbing LLC has worked on at least
47.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
7 projects
|
Home Additions |
|
5 projects
|
Commercial Renovations |
|
45 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Mar Plumbing LLC mostly works on
plumbing project
and home addition
projects.
Pricing
|
6 projects
|
< $5k |
|
2 projects
|
$5k-$20k |
|
4 projects
|
$20k-$50k |
|
6 projects
|
$50k-$100k |
|
4 projects
|
$100k-$250k |
|
4 projects
|
$250k-$500k |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $80,000. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Spr 2019 cbrc: the project consists of minor interior renovation to an existing retail space including lighting cabinetry finishes and partition work. electrical will be modified for new lighting and power. low voltage systems will be installed. hvac will be existing and re-used. no work to the building facade is proposed. there is no change in occupancy. no structural work is propose... see more
Valuation:
$497,000
Permit #:
101064435
Status:
issued
Fee:
$1,825
Permit Type:
N/A
Building Type:
N/A
Scope: nonstructural interior basement remodel with plumbing and electrical updates to two bathrooms and laundry room at second floor.locations: 1 residential unit(s) 0 non-residential unit(s) basement and 2nd floor
Valuation:
$239,505
Permit #:
B200427591
Status:
issued
Fee:
$575
Permit Type:
Nonstructural int...
Building Type:
N/A
Scope: nonstructural interior replacement of water damaged drywall replace plumbing piping and electrical. locations: 1 residential unit(s) 0 non-residential unit(s) basement
Valuation:
$20,913
Permit #:
B200422596
Status:
issued
Fee:
$575
Permit Type:
Nonstructural int...
Building Type:
N/A
Interior alterations on 1st 2nd and 3rd floors to an existing 3 story 3a construction r-5 occupancy single family residence w/basement per plans. **certified plans corrections: conditional permit subject to field inspections **
Valuation:
$500,000
Permit #:
101052940
Status:
issued
Fee:
$765
Permit Type:
N/A
Building Type:
N/A
Self cert 2019 crbc: interior gut remodel of existing 2-story va frame 25 ht. single-family residence including structural repairs basement dig down and new (158) sq. ft. rear deck (occupancy group r-5; type va construction)
Valuation:
$345,000
Permit #:
101060557
Status:
complete
Fee:
$1,074
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbrc: interior demolition of non-load bearing structures remove all plumbing fixtures electrical and hvac system on the 1st 2nd and 3rd floors per plans ( constructiontype iiia use group r-5)
Valuation:
$500,000
Permit #:
101050707
Status:
phased permitting
Fee:
$1,875
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbrc: complete renovation of first floor interior building out for office with design showroom and small venue space (occupancy group b;construction type iiib)(conditional permit subject to field inspections)
Valuation:
$300,000
Permit #:
100976902
Status:
issued
Fee:
$5,525
Permit Type:
N/A
Building Type:
N/A
Self certified interior non-structural renovation of existing residential condominium unit
Valuation:
$250,000
Permit #:
101064734
Status:
issued
Fee:
$675
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbrc: removal of an existing wood balcony at third floor for a third story room addition to an existing detached single family residence. addition 2 new additional windows in the primary bedroom. occupancy group r-5 and type v-a construction type.building type is single family detached residentialproposed building is 2 092 sfconstruction type is v-a
Valuation:
$19,036
Permit #:
101069836
Status:
issued
Fee:
$975
Permit Type:
N/A
Building Type:
N/A
Scope: nonstructural interior alteration to include reconfiguration of kitchen electrial and plumbing remove/replace drywall ceiling and cabinets. locations: 1 residential unit(s) 0 non-residential unit(s) unit 1704 kitchen renovation
Valuation:
$22,960
Permit #:
B200435308
Status:
issued
Fee:
$325
Permit Type:
Nonstructural int...
Building Type:
N/A
Scope: nonstructural interior alteration to unit 3lm on floors: 3 and 4 new plumbing fixtures and assocated piping to be tied to existing plumbing no mechanical work electrical updates on both levels. replacement of finishes throughtout. locations: 1 residential unit(s) 0 non-residential unit(s) lower level bathroom and upper level primary suite
Valuation:
$100,000
Permit #:
B200404251
Status:
issued
Fee:
$575
Permit Type:
Nonstructural int...
Building Type:
N/A
Fire damage repair to apts 208 108 & 308:.trim.finishes. patch/repair drywall. cabinets. replace plumbing fixtures with associated piping in apartment 208 only. electrical permit # 100970203 (no changes to layout/no alterations no structural work)(no hvac under this permit)-all work same as existing; subject to field inspections
Valuation:
$329,950
Permit #:
100970838
Status:
issued
Fee:
$750
Permit Type:
N/A
Building Type:
N/A
Spr - 2019 cbc - interior alterations to existing first floor live/work unit with m.e.p. for a total of 3 dwelling units install new furnaces at 2nd & 3rd floor units and repair rear wood porch in existing 3 story brick building w basement per plans (occupancy class r5 construction type iiia) **certified plans corrections: conditional permit subject to field inspections **
Valuation:
$80,000
Permit #:
101046971
Status:
issued
Fee:
$657
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbrc: interior alterations including new mechanical electrical and plumbing systems; exterior cladding new windows and doors in new locations. (occupancy classification r-5; construction classification va)
Valuation:
$200,000
Permit #:
101019016
Status:
suspended
Fee:
$899
Permit Type:
N/A
Building Type:
N/A
Self certified 2019 chicago rehab codes. renovate rear of first floor new wexterior wall and new 2nd floor addition with rear deck above first floor to existing 1.5 story single family residence. r-5 occ type v-a const
Valuation:
$100,000
Permit #:
100982775
Status:
expired
Fee:
$875
Permit Type:
N/A
Building Type:
N/A
Interior alterations to deconvert from a 2 story/3 unit mixed use residence to 2 dwelling units per plans.(conditional permit subject to field inspections)
Valuation:
$200,000
Permit #:
101058960
Status:
issued
Fee:
$925
Permit Type:
N/A
Building Type:
N/A
Spr - 2019 cbc - interior alterations to existing 2-story masonry building to duplex (1) d.u. to basement. no exterior work to be performed. new hvac system to be installed. (occupancy class r-5 construction type iii-a)
Valuation:
$65,000
Permit #:
101059286
Status:
issued
Fee:
$691
Permit Type:
N/A
Building Type:
N/A
Repair or in-kind replacement of 0 plumbing fixtures as described in permit application. includes repair or replacment of plumbing piping. includes repair or replacement of plumbing risers in existing chases. locations: 3 residential unit(s) 0 non-residential unit(s) second floor: studio 2n 2w
Valuation:
$2,000
Permit #:
B200012867
Status:
issued
Fee:
$1,025
Permit Type:
plumbing work
Building Type:
N/A
Self-cert project. elevator + rear stair addition to an existing two-story outpatient medical facility. architectural plumbing electrical and structural work. no mechanical work. no changes in building height nor building use. total area of work = 359 gsf addition to a an existing 6 898 gsf facility (7 257 total). pin# 25-17-418-035. zone b3-1
Valuation:
$150,000
Permit #:
100959316
Status:
expired
Fee:
$830
Permit Type:
N/A
Building Type:
N/A
Primary suite addition with interior bathroom remodel **conditional permit subject to field inspections**
Valuation:
$76,812
Permit #:
101064460
Status:
issued
Fee:
$975
Permit Type:
N/A
Building Type:
N/A
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Mar Plumbing LLC Reviews
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Verified License
BuildZoom confirmed this contractor's license
Mar Plumbing LLC License info
Verified License
| License # | CR-11263 |
| Status | Active |
| Type | Contractor Registration |
| Date Issued | 12-09-2025 |
- BuildZoom verified this license was active as of February 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | SBC197841 |
| Status | Active |
| City | City Of Chicago |
| Type | Plumbing Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Mar Plumbing LLC at the City of Chicago Data Portal.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CR0003341 |
| Status | Active |
| County | Dupage County |
| Type | Sub Contractor, Plumbing |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Mar Plumbing LLC at the County of Dupage Contractor Registration Information.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 18LIPL-0075 |
| Status | Active |
| City | Evanston |
| Type | Plumbing |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Mar Plumbing LLC at the City of Evanston Building and Inspection Services.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| Town | Palatine |
| Type | Multiple |
- When BuildZoom last verified this license, it had an expiration date of December, 2021. Check the current license status of Mar Plumbing LLC with the Village of Palatine Registered Contractors
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| Town | Palatine |
| Type | Plumbing |
- When BuildZoom last verified this license, it had an expiration date of December, 2021. Check the current license status of Mar Plumbing LLC with the Village of Palatine Registered Contractors
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 201706260 |
| Status | Inactive |
| City | Oak Park |
| Type | Contractor |
- According to the Village of Oak Park, 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 Mar Plumbing LLC at the Village of Oak Park.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | City Of Chicago |
| Type | Bonded Contractor |
- According to the City of Chicago Data Portal, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 055-044218 |
| Status | Inactive |
| City | Evanston |
| Type | Plumbing |
- According to the City of Evanston Building and Inspection Services, 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 Mar Plumbing LLC at the City of Evanston Building and Inspection Services.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CR7874 |
| Status | Inactive |
| County | Dupage County |
| Type | Plumbing |
- According to the County of Dupage Contractor Registration Information, 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 Mar Plumbing LLC at the County of Dupage Contractor Registration Information.
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
128
Permits
- Building permit records show that Mar Plumbing LLC has worked on 128 permitted projects.
Mar Plumbing LLC Employees
MI
Mar Plumbing, Inc.
Licensee
MK
Mariusz Kozik
Owner
MK
Mariusz Zbigniew Kozik