Updated: May 26, 2026
Location and Projects
Address
550 ANTHONY TRAIL, Northbrook, IL, 60062
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Aa Service Plumber
Aa Service Co, 550 Anthony Trl, Northbrook, IL (Owned by: William Del Principe) holds a Electrical Contractor (General) license and 9 other licenses according to the City of Chicago license board.
Their BuildZoom score of 112 ranks in the top 3% of 65,686 Illinois licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Aa Service Co, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Aa Service Co Contact Information
Phone Number: (847) 729-7889
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Address: 550 ANTHONY TRAIL, Northbrook, IL 60062
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Aa Service Co Northbrook
Quality
112
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Aa Service Co has a BuildZoom score of 112, which places them above 97% of 65,686 contractors in Illinois.
Activity
|
3 projects
|
2026 |
|
9 projects
|
2025 |
|
11 projects
|
2024 |
|
17 projects
|
2023 |
Our building permit records indicate that Aa Service Co has worked on at least
40.0 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
|
New Constructions |
|
16 projects
|
Plumbing projects |
|
11 projects
|
Sewer laterals |
Analyzing permits over the last 4 years shows that Aa Service Co mostly works on
plumbing project
and sewer lateral
projects.
Pricing
|
1 project
|
< $5k |
|
3 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
3 projects
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
|
9 projects
|
$1mil+ |
The typical size of their permits is approximately $352,000. 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 cbc interior alterations to include deconversion from 17 to 16 units in an existing apartment to convert unit into a gym for tenants in an existing high-rise residential apartment building. a-3 fitness center ia construction per plans **certified plans corrections: conditional permit subject to field inspections **
Valuation:
$352,000
Permit #:
101043770
Status:
complete
Fee:
$2,375
Permit Type:
N/A
Building Type:
N/A
2019 cbc self-cert: new construction of a fully sprinklered masonry and frame of a 3-story single-family residence with a detached 1-story two car masonry garage with a roof deck and another detached 1-story one car masonry garage as per plans. (construction type:iiia; occupancy: r-5 single family residence
Valuation:
$3,215,266
Permit #:
100997426
Status:
complete
Fee:
$6,417
Permit Type:
N/A
Building Type:
N/A
Self-cert: interior alterations to existing single-family home. to include full kitchen and main bathroom remodel and update of electrical service and panel. minor exterior window updates on the rear (west) and side (south) facade. no change to building footprint. (v-a construction r-5 occupancy)
Valuation:
$362,907
Permit #:
101029461
Status:
suspended
Fee:
$600
Permit Type:
N/A
Building Type:
N/A
(direct developer services 2019 cbc) new construction of a 3-story early childhood daycare facility and associated site work as per plans. (occupancy classification: i-4 construction type: iia) consultant reviewer: v3 companies of il
Valuation:
$3,500,000
Permit #:
100999856
Status:
complete
Fee:
$21,774
Permit Type:
N/A
Building Type:
N/A
(direct developer services 2019 cbc) new construction of a 3-story early childhood daycare facility to include masonry trash enclosure and associated site work as per plans. (occupancy classification: i-4 construction type: iia) consultant reviewer: v3 companies of il
Valuation:
$4,500,000
Permit #:
100960256
Status:
expired
Fee:
$21,036
Permit Type:
N/A
Building Type:
N/A
Self-certification 2019 cbrc: revision to original building permit #100933996 to addition a 1000 sq ft addition on the south facade of the existing building new exterior spiral stair from fourth floor to grade as per plans all to an existing single family residence per plans type iiia with addition as type va r5 occ
Valuation:
$400,000
Permit #:
100974435
Status:
complete
Fee:
$2,250
Permit Type:
N/A
Building Type:
N/A
Spr 2019 - interior renovation of existing residence. remove and rebuild non-original back entry and covered porch (290 sf); construct new masonry 3-car detached garage (950 sf)occupancy group r-5; type 3b construction (conditional permit subject to field inspections.)
Valuation:
$750,000
Permit #:
100945404
Status:
suspended
Fee:
$1,187
Permit Type:
N/A
Building Type:
N/A
Sc 2019 cbrc: proposed 1 story rear addition w/basement in-ground pool recessed well area leading to basement 5 front gate 6 rear garden wall south side fire pit and stoop for existing 3 story single family residence w/basement (no work on rear coach house garage) all per plans. type iii-b house with va addition r-5 use
Valuation:
$1,500,000
Permit #:
100948514
Status:
issued
Fee:
$5,797
Permit Type:
N/A
Building Type:
N/A
Self cert 2019 cbrc: interior remodel of a residential space as per plans on floors 14 15 and 16. work includes mechanical electrical and plumbing. structural peer review included. no change in use r2-residential and construction type 1a
Valuation:
$1,395,200
Permit #:
100995599
Status:
suspended
Fee:
$3,905
Permit Type:
N/A
Building Type:
N/A
Self cert 2019 cbrc: interior alterations to install a new private passenger elevator within duplexed dwelling units 701 and 801 in 36-story apartment with 66 units. no change to common areas no expansion of size no change of use (occ group r-2 construction type 1a)
Valuation:
$200,000
Permit #:
100993226
Status:
complete
Fee:
$875
Permit Type:
N/A
Building Type:
N/A
[self-certification 2019 cbrc and cbc:; no change in use. existing use to remain] new construction frame (v-a) non-sprinklered garage with additional dwelling unit and new masonry and aluminum glazing system enclosed porch per plans
Valuation:
$300,000
Permit #:
100959544
Status:
expired
Fee:
$4,300
Permit Type:
N/A
Building Type:
N/A
New single family home
Valuation:
$7,500,000
Permit #:
135442
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New single family home
Valuation:
$7,500,000
Permit #:
135441
Status:
issued
Fee:
$226,311
Permit Type:
N/A
Building Type:
N/A
Proposed 3 story single family residence w/basement side 6 masonry wall and rear 2 car garage w/roof deck and pergola per plans. administrative adjustment #23-044 approved 04.21.2023
Valuation:
$2,100,000
Permit #:
100961066
Status:
issued
Fee:
$3,650
Permit Type:
N/A
Building Type:
N/A
Repair/replacement affecting 1 systems : 1 rooftop packaged unit(york dl-10n24awaaa3a roof above offices). electrical work under this permit = no. locations: 0 residential unit(s) 1 non-residential unit(s) exterior work the roof located above offices
Valuation:
$31,000
Permit #:
B200010301
Status:
issued
Fee:
$100
Permit Type:
Mechanical work
Building Type:
N/A
Self cert 2019 cbrc: interior alterations to existing condo unit 2300. work to include demolish new partitions electrical plumbing and mechanical work as per plans. 1a construction. r2 residential
Valuation:
$400,000
Permit #:
100982549
Status:
expired
Fee:
$693
Permit Type:
N/A
Building Type:
N/A
Self cert 2019 cbrc: interior & exterior alterations to existing 3-story single family residence to include 65 sqft expansion of existing rear yard deck as per plans. (occupancy group r-5; type iii-a construction)
Valuation:
$258,000
Permit #:
100976865
Status:
expired
Fee:
$1,257
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbrc: revision to permit 100948514. no revisions affecting exterior/site. revision is to reflect conditions found in field affecting structural and mechanical design. no alteration to room arrangement configurations egress. no impact to previously permitted site coach house work under 100966596. structural peer review. (occupancy group r-5 type va construction)
Valuation:
$20,000
Permit #:
101013848
Status:
complete
Fee:
$2,451
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbc addition of a new residential unit over an existing attached garage with and attached 2 story stair enclosure and exteior stair to second floor addition to an existing single-family residence; including new electrical mechanical & plumbing per plans **certified plans corrections: conditional permit subject to field inspections **
Valuation:
$100,000
Permit #:
100916654
Status:
issued
Fee:
$2,301
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbc: full building permit for interior renovation of residential unit in existing 57 floor 356 dwelling unit apartment building (occupancy group r-2)
Valuation:
$627,800
Permit #:
100944273
Status:
suspended
Fee:
$2,189
Permit Type:
N/A
Building Type:
N/A
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Aa Service Co Reviews
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Verified License
BuildZoom confirmed this contractor's license
Aa Service Co License info
Verified License
| License # | ECC96558 |
| Status | Active |
| City | City Of Chicago |
| Type | Electrical Contractor (General) |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Aa Service Co at the City of Chicago Data Portal.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 22LIPL-0042 |
| Status | Active |
| City | Evanston |
| Type | Plumbing |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Aa Service Co 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
| License # | 201700116 |
| Status | Active |
| City | Oak Park |
| Type | Contractor |
- When BuildZoom last verified this license, it had an expiration date of January, 2018. Check the current license status of Aa Service Co with the Village of Oak Park
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| Town | Palatine |
| Type | Hvac |
- When BuildZoom last verified this license, it had an expiration date of December, 2021. Check the current license status of Aa Service Co with the Village of Palatine Registered Contractors
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 14-00004490 |
| Status | Active |
| City | Aurora |
| Type | Heating Contractor |
- When BuildZoom last verified this license, it had an expiration date of November, 2015. Check the current license status of Aa Service Co with the The City of Aurora, IL
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 22LICL-0054 |
| Status | Inactive |
| City | Evanston |
| Type | Electrical |
- 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 Aa Service Co 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
| Status | Inactive |
| County | Cook County |
| Type | Hvac |
- According to the Cook County Department of Building and Zoning, 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
| Status | Inactive |
| County | Cook County |
| Type | Hvac |
- According to the Cook County Department of Building and Zoning, 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
| Status | Inactive |
| County | Cook County |
| Type | Other |
- According to the Cook County Department of Building and Zoning, 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 # | 09LICH-0435 |
| Status | Inactive |
| City | Evanston |
| Type | Hvac |
- 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 Aa Service Co at the City of Evanston Building and Inspection Services.
This is a sample of licensing data; click here to access a complete history.
112
BuildZoom Score
493
Permits
- Building permit records show that Aa Service Co has worked on 493 permitted projects.
Aa Service Co Employees
KL
Kevin Lowe
Owner
SP
Steve Pawela
Owner
WP
William Del Principe
Owner