Updated: Jun 23, 2026
Location and Projects
Address
401 South 18th Street, Saint Louis, MO, 63103
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Mackey, Eugene Joseph, III Architect
Mackey, Eugene Joseph, III, 401 S 18th St, Saint Louis, MO (Owned by: Horvath, Joseph Carl, Iii) holds a Landscape Architect license and 13 other licenses according to the Colorado license board.
Their BuildZoom score of 99 ranks in the top 15% of 23,328 Missouri licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mackey, Eugene Joseph, III, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mackey, Eugene Joseph, III Services
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Mackey, Eugene Joseph, III Contact Information
Phone Number: (314) 984-9887
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Address: 401 South 18th Street, Saint Louis, MO 63103
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Mackey, Eugene Joseph, III Saint Louis
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Mackey, Eugene Joseph, III has a BuildZoom score of 99, which places them above 85% of 23,328 contractors in Missouri.
Activity
|
2 projects
|
2025 |
|
2 projects
|
2024 |
Our building permit records indicate that Mackey, Eugene Joseph, III has worked on at least
4.0 projects over the past 2 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
|
1 project
|
$5k-$20k |
|
1 project
|
$50k-$100k |
|
1 project
|
$100k-$250k |
|
1 project
|
$1mil+ |
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.
Building Permits by Mackey, Eugene Joseph, III
This is a sample of this contractor's permits. Click here to access their complete permit history.
(b) phase b - mass excavation for future building earth retention deep sewers underground detention system and swppp: 25pac-00004 (wash u arts and science building (riney hall and mudd field)
Valuation:
N/A
Permit #:
25LND-00018
Status:
plancheck
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(b) phase b - mass excavation for future building earth retention deep sewers underground detention system and swppp: 25pac-00004 (wash u arts and science building (riney hall and mudd field)
Valuation:
N/A
Permit #:
25PRJ-00023
Status:
revisions requested
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New residential home with private drive sanitary sewer water gas etc
Valuation:
$500,000
Permit #:
23LND-00088
Status:
issued
Fee:
$1,813
Permit Type:
Grading
Building Type:
N/A
(a) child record - retaining wall (parent record 25bld-04687) 25pac-00166 (urban league plaza)
Valuation:
$103,685
Permit #:
25BLD-04687
Status:
filed
Fee:
N/A
Permit Type:
New construction
Building Type:
N/A
(a) child record - parking lot (parent record 25bld-00812) 25pac-00166 (urban league plaza)
Valuation:
$76,800
Permit #:
25BLD-04684
Status:
filed
Fee:
N/A
Permit Type:
New construction
Building Type:
N/A
Wash u - arts and science phase a sewer enabling - roughly 250 linear feet of storm sewer and 250 linear feet of sanitary sewer including 6 new manhole structures. 24pac-xxxxx (wash u arts & science building)
Valuation:
$2,000,000
Permit #:
24LND-00012
Status:
issued
Fee:
$5,336
Permit Type:
N/A
Building Type:
N/A
(a) child record - trash enclosure (parent record 25bld-00812) 25pac-00166 (urban league plaza)
Valuation:
$5,000
Permit #:
25BLD-04685
Status:
filed
Fee:
N/A
Permit Type:
New construction
Building Type:
N/A
(a) child record - water feature (parent record 25bld-00812) 25pac-00166 (urban league plaza)
Valuation:
$7,130
Permit #:
25BLD-04686
Status:
filed
Fee:
N/A
Permit Type:
New construction
Building Type:
N/A
Fenton fire 14ffpd-0231 - egress remodel - fenton family med. - alteration
Valuation:
N/A
Permit #:
14BLD-05256
Status:
complete
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Tenant remodel - fenton family medicine egress remodel
Valuation:
$25,000
Permit #:
14BLD-05685
Status:
complete
Fee:
$305
Permit Type:
Alteration
Building Type:
N/A
Fenton fire 14ffpd-0232 - blu a color salon - interior finish
Valuation:
N/A
Permit #:
14BLD-05257
Status:
complete
Fee:
N/A
Permit Type:
Interior finish
Building Type:
N/A
Fenton fire 12ffpd-0288 - interior finish - st francis building suregons offices
Valuation:
N/A
Permit #:
12BLD-04687
Status:
complete
Fee:
N/A
Permit Type:
Interior finish
Building Type:
N/A
Washington university new olin business school & associated improvements
Valuation:
$7,500
Permit #:
12PAC-00036
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Washington university new olin business school & associated improvements
Valuation:
$7,500
Permit #:
12LND-00022
Status:
complete
Fee:
$1,468
Permit Type:
Site improvement
Building Type:
N/A
Mep tenant remodel - jamba juice - show me smoothies
Valuation:
N/A
Permit #:
13MEC-04107
Status:
complete
Fee:
$260
Permit Type:
Interior finish
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
25ESC-00015
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
1840891
Status:
complete
Fee:
$832
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
2021001
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mld: stlco precinct #3 (19pac-00091)
Valuation:
$920,000
Permit #:
19LND-00094
Status:
canceled
Fee:
$182
Permit Type:
Advance-rough
Building Type:
N/A
Minor grading pavement removal & replace new parking striping & sidewalk
Valuation:
N/A
Permit #:
19PAC-00054
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Mackey, Eugene Joseph, III License info
Verified License
| Status | Active |
| State | Colorado |
| Type | Landscape Architect |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Mackey, Eugene Joseph, III at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 2007013280 |
| Status | Active |
| State | Missouri |
| Type | Landscape Architect |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Mackey, Eugene Joseph, III at the Board For Architects, Professional Engineers - Missouri .
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | FIRM.00050513 |
| Status | Active |
| State | Ohio |
| Type | Landscape Architect |
| Date Issued | 07-01-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Mackey, Eugene Joseph, III at the Ohio Architects Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 76754 |
| Status | Active |
| State | Arizona |
| Type | Landscape Architect |
- When BuildZoom last verified this license, it had an expiration date of September, 2025. Check the current license status of Mackey, Eugene Joseph, III with the Arizona Board of Technical Registration
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | LA.0000910 |
| Status | Active |
| State | Colorado |
| Type | Landscape Architect |
- When BuildZoom last verified this license, it had an expiration date of December, 2018. Check the current license status of Mackey, Eugene Joseph, III with the Colorado Division of Professions and Occupations
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 1291 |
| Status | Active |
| State | South Carolina |
| Type | Landscape Architect |
- BuildZoom has not verified this license since March, 2017.
Verify this license's status for Mackey, Eugene Joseph, III at the South Carolina Board of Architectural Examiners.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | FIRM.00050513-LA |
| Status | Active |
| State | Ohio |
| Type | Landscape Architectural Firm |
- When BuildZoom last verified this license, it had an expiration date of June, 2016. Check the current license status of Mackey, Eugene Joseph, III with the Ohio Architects Board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2004029446 |
| Status | Inactive |
| State | Missouri |
| Type | Landscape Architect Corp |
- According to the Board For Architects, Professional Engineers - Missouri , 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 Mackey, Eugene Joseph, III at the Board For Architects, Professional Engineers - Missouri .
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2004029446 |
| Status | Inactive |
| State | Missouri |
| Type | Architectural Corporation |
- According to the Board For Architects, Professional Engineers - Missouri , 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 Mackey, Eugene Joseph, III at the Board For Architects, Professional Engineers - Missouri .
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 001165 |
| Status | Inactive |
| State | Missouri |
| Type | Architectural Corporation |
- According to the Board For Architects, Professional Engineers - Missouri , 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 Mackey, Eugene Joseph, III at the Board For Architects, Professional Engineers - Missouri .
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 5206 |
| Status | Inactive |
| State | Arkansas |
- According to the Arkansas State Board of Architects, Landscape Architects, and Interior Designers, 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 Mackey, Eugene Joseph, III at the Arkansas State Board of Architects, Landscape Architects, and Interior Designers.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 002141 |
| Status | Inactive |
| State | Missouri |
| Type | Architect |
- According to the Board For Architects, Professional Engineers - Missouri , 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 Mackey, Eugene Joseph, III at the Board For Architects, Professional Engineers - Missouri .
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2007013280 |
| Status | Inactive |
| State | Missouri |
| Type | Landscape Architect |
- According to the Board For Architects, Professional Engineers - Missouri , 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 Mackey, Eugene Joseph, III at the Board For Architects, Professional Engineers - Missouri .
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2004029446 |
| Status | Inactive |
| State | Missouri |
| Type | Landscape Architect Corp |
- According to the Board For Architects, Professional Engineers - Missouri , 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 Mackey, Eugene Joseph, III at the Board For Architects, Professional Engineers - Missouri .
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
10
Permits
- Building permit records show that Mackey, Eugene Joseph, III has worked on 10 permitted projects.
Mackey, Eugene Joseph, III Employees
CI
Cole & Associates, Inc.
Owner
HI
Horvath, Joseph Carl, Iii
Owner
JR
Jeremy D. Roach
JR
Jeremy Don Roach
Owner
JH
Joseph Carl Horvath
JH
Joseph Horvath
Owner
MI
Mackey, Eugene Joseph, Iii
Owner