Updated: Jul 07, 2026
Location and Projects
Address
1125 S LAKE ST, Montgomery, IL, 60538
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R.J. One Construction
R.J. One, Inc, 1125 S Lake St, Montgomery, IL (Owned by: Alyson Watson) holds a General Contractor (Class E) license and 14 other licenses according to the City of Chicago license board.
Their BuildZoom score of 100 ranks in the top 13% of 65,686 Illinois licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring R.J. One, Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
R.J. One, Inc Services
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R.J. One, Inc Contact Information
Phone Number: (630) 906-1300
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Address: 1125 S LAKE ST, Montgomery, IL 60538
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R.J. One, Inc Montgomery
Quality
100
87th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
R.J. One, Inc has a BuildZoom score of 100, which places them above 87% of 65,686 contractors in Illinois.
Activity
|
7 projects
|
2025 |
|
1 project
|
2023 |
Our building permit records indicate that R.J. One, Inc has worked on at least
8.0 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.
Pricing
|
3 projects
|
$500k-$1mil |
|
3 projects
|
$1mil+ |
The typical size of their permits is approximately $750,000. 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.
Elf-cert 2019 cbrc: construct new interior elevator shaft interior alterations to existing classrooms conference room storage rooms and office spaces on lower level 1st 2nd and 3rd floors to an existing public school per plans and structural peer review report. (use group e1 construction type iib)
Valuation:
$3,000,000
Permit #:
101067594
Status:
issued
Fee:
$1,567
Permit Type:
N/A
Building Type:
N/A
Educational e-1 c-3. remodeling of existing boys and girls toilets first floor including ada requirements second addition and upgrading existing single stall toilet to all -gender toilet at first floor first addition
Valuation:
$550,000
Permit #:
101064630
Status:
issued
Fee:
$975
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbrc: 3 story existing cps school. scope includes: 2 van accessible parking spaces; new concrete flatwork & accessible ramp at door 2; replace existing ramp fence and gate at parking lot; new interior doors at door 2; keyless access at main entry door; various interior alterations to office and toilet rooms; new vertical platform lift. occupancy group e-1; type iia cons... see more
Valuation:
$750,000
Permit #:
101063536
Status:
issued
Fee:
$2,474
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbrc: construct new 3 story elevator and stair enclosure addittion to an existing public school per plans and structural peer review reprt. (use group e1 construction type iib) **conditional permit subject to field inspections**
Valuation:
$1,200,000
Permit #:
101063551
Status:
issued
Fee:
$2,425
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbrc: chicago public school facility. no change in use. office area renovation. new finishes
Valuation:
$2,500,000
Permit #:
101067798
Status:
issued
Fee:
$13,808
Permit Type:
N/A
Building Type:
N/A
Remodeling of existing student toilets for ada use including existing teacher toilet into all gender toilet
Valuation:
$650,000
Permit #:
101064638
Status:
issued
Fee:
$975
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbrc: remodel existing toilet rooms on 1st 2nd & 3rd floors of elementary school. (occ. e-1)
Valuation:
$500,000
Permit #:
101064636
Status:
issued
Fee:
$875
Permit Type:
N/A
Building Type:
N/A
Erect new 2 story commercial building as per plans.retail space on 1st floor and new daycare center on 1st and all of 2nd floor as per plans
Valuation:
$2,239,950
Permit #:
100692657
Status:
complete
Fee:
$10,144
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$4,000,000
Permit #:
15-4365/000 000 CMTP 00
Status:
issued
Fee:
$171,112
Permit Type:
N/A
Building Type:
Planned develop dist
Plumbing permit
Valuation:
N/A
Permit #:
22-00001512|WMU00
Status:
applied
Fee:
N/A
Permit Type:
Water meter upgrade
Building Type:
N/A
Plumbing permit
Valuation:
N/A
Permit #:
22-00001512|SEW00
Status:
applied
Fee:
N/A
Permit Type:
Sewer/water repai...
Building Type:
N/A
Plumbing permit
Valuation:
N/A
Permit #:
23-00002723|WMU00
Status:
applied
Fee:
N/A
Permit Type:
Water meter upgrade
Building Type:
N/A
No Description Available
Valuation:
$95,000
Permit #:
000 000 CSTH 00
Status:
complete
Fee:
$5,497
Permit Type:
N/A
Building Type:
Downtown core
No Description Available
Valuation:
$50,000
Permit #:
18-4299/000 000 CMTP 00
Status:
issued
Fee:
$1,621
Permit Type:
N/A
Building Type:
Park - open space...
No Description Available
Valuation:
N/A
Permit #:
18-3810/000 000 CMTH 00
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Downtown core
No Description Available
Valuation:
$1,500
Permit #:
16-4740/000 000 RMTP 00
Status:
complete
Fee:
$332
Permit Type:
N/A
Building Type:
Single family dwe...
No Description Available
Valuation:
$14,327
Permit #:
15-3755/000 000 CSTH 00
Status:
complete
Fee:
$429
Permit Type:
N/A
Building Type:
Office district (s)
No Description Available
Valuation:
$536,600
Permit #:
18-7566/000 000 CMTP 00
Status:
issued
Fee:
$10,911
Permit Type:
N/A
Building Type:
Downtown core
No Description Available
Valuation:
$115,083
Permit #:
15-1829/000 000 CMTH 00
Status:
issued
Fee:
$9,997
Permit Type:
N/A
Building Type:
Genl retail bus d...
No Description Available
Valuation:
$200,444
Permit #:
15-6471/000 000 CMTP 00
Status:
complete
Fee:
$5,204
Permit Type:
N/A
Building Type:
Planned develop dist
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R.J. One, Inc Reviews
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Verified License
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R.J. One, Inc License info
Verified License
| License # | TGC145899 |
| Status | Active |
| City | City Of Chicago |
| Type | General Contractor (Class E) |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for R.J. One, Inc at the City of Chicago Data Portal.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CR0004689 |
| Status | Active |
| County | Dupage County |
| Type | Sub Contractor, Hvac Mechanical Piping Plumbing |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for R.J. One, Inc at the County of Dupage Contractor Registration Information.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| County | Cook County |
| Type | Plumbing |
| Date Issued | 01-02-2026 |
- BuildZoom verified this license was active as of July 2026.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 15-00000441 |
| Status | Active |
| City | Aurora |
| Type | Heating Contractor |
- When BuildZoom last verified this license, it had an expiration date of April, 2016. Check the current license status of R.J. One, Inc with the The City of Aurora, IL
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 15-00000440 |
| Status | Active |
| City | Aurora |
| Type | Plumbing Contractor |
- When BuildZoom last verified this license, it had an expiration date of April, 2016. Check the current license status of R.J. One, Inc with the The City of Aurora, IL
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CR5101 |
| Status | Active |
| County | Dupage County |
| Type | Sub Contractor (Per Trade) |
- When BuildZoom last verified this license, it had an expiration date of December, 2014. Check the current license status of R.J. One, Inc with the County of DuPage
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 2013-CR5101 |
| Status | Active |
| County | Dupage County |
| Type | Sub Contractor (Per Trade) |
- When BuildZoom last verified this license, it had an expiration date of December, 2014. Check the current license status of R.J. One, Inc with the County of DuPage
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 2014-CR5101 |
| Status | Active |
| County | Dupage County |
| Type | Sub Contractor (Per Trade) |
- When BuildZoom last verified this license, it had an expiration date of December, 2014. Check the current license status of R.J. One, Inc with the County of DuPage
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CR5101 |
| Status | Inactive |
| County | Dupage County |
| Type | Hvac |
- 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 R.J. One, Inc at the County of Dupage Contractor Registration Information.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CR5101 |
| Status | Inactive |
| County | Dupage County |
| Type | Sub Contractor, Hvac, 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 R.J. One, Inc at the County of Dupage Contractor Registration Information.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CL-20-25812 |
| Status | Inactive |
| Town | Orland Park |
| Type | Hvac/Mechanical Contractor |
- According to the Village of Orland Park Contractor License, 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 R.J. One, Inc at the Village of Orland Park Contractor License.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | Cook County |
| Type | Water |
- 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 | Sewer |
- 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 |
| 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.
100
BuildZoom Score
23
Permits
- Building permit records show that R.J. One, Inc has worked on 23 permitted projects.
R.J. One, Inc Employees
AW
Alyson Watson
Owner