Updated: Jun 23, 2026
Location and Projects
Address
349 Marshall Avenue, Saint Louis, MO, 63119
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Gray Design Group of Louisiana Architect
Gray Design Group of Louisiana LLC, 349 Marshall Ave, Saint Louis, MO (Owned by: Tobias D Heddinghaus) holds a Architectural Corporation license and 12 other licenses according to the Missouri license board.
Their BuildZoom score of 107 ranks in the top 6% of 23,328 Missouri licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Gray Design Group of Louisiana LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Gray Design Group of Louisiana LLC Services
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Gray Design Group of Louisiana LLC Contact Information
Phone Number: (314) 646-0400
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Address: 349 Marshall Avenue, Saint Louis, MO 63119
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Gray Design Group of Louisiana LLC Saint Louis
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Gray Design Group of Louisiana LLC has a BuildZoom score of 107, which places them above 94% of 23,328 contractors in Missouri.
Activity
|
18 projects
|
2025 |
|
12 projects
|
2024 |
|
6 projects
|
2023 |
Our building permit records indicate that Gray Design Group of Louisiana LLC has worked on at least
36.0 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
|
12 projects
|
Commercial Renovations |
|
3 projects
|
Fences |
|
3 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Gray Design Group of Louisiana LLC mostly works on
commercial renovation
and home addition
projects.
Pricing
|
3 projects
|
< $5k |
|
5 projects
|
$5k-$20k |
|
5 projects
|
$20k-$50k |
|
6 projects
|
$50k-$100k |
|
6 projects
|
$100k-$250k |
|
7 projects
|
$250k-$500k |
|
7 projects
|
$500k-$1mil |
|
5 projects
|
$1mil+ |
The typical size of their permits is approximately $190,000. 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.
Building Permits by Gray Design Group of Louisiana LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Parent record the project description consists of an existing 39 800 sf building renovation with a 2 600-sf new addition that will house a premier post-collision service provider. the existing structure will be modified to fit the needs of the occupants to provide a unique appearance and modernize the facility to meet all codes: 24pac-00047 (bstreet collision center) child record 24bl... see more
Valuation:
$4,519,517
Permit #:
24BLD-06736
Status:
issued
Fee:
$20,389
Permit Type:
Alteration
Building Type:
N/A
Tenant finish for 2 970 sq ft restaurant. new kitchen bar dining area and restrooms. sushi ai
Valuation:
$900,000
Permit #:
BU25-000102
Status:
complete
Fee:
N/A
Permit Type:
Commercial altera...
Building Type:
N/A
***this project involves modifying an approved site development plan contact the planning department 314-615-2516 to inquire what is needed to initiate that review process. building or land disturbance permits cannot be applied for until the modified site plan has been approved. once approved the stamped approved site plan will need to be included in your permit submittal.***the exist... see more
Valuation:
$4,000,000
Permit #:
24BLD-03964
Status:
canceled
Fee:
N/A
Permit Type:
Alteration for a ...
Building Type:
N/A
18 300 square foot corporate office renovation caravus
Valuation:
$669,765
Permit #:
BU25-000029
Status:
complete
Fee:
N/A
Permit Type:
Commercial altera...
Building Type:
B business
Interior tenant finish forsyth conference center
Valuation:
$487,000
Permit #:
BU25-000127
Status:
complete
Fee:
N/A
Permit Type:
Commercial altera...
Building Type:
B business
Renovation of existing office. carmody macdonald
Valuation:
$2,329,596
Permit #:
BU25-000061
Status:
complete
Fee:
N/A
Permit Type:
Commercial altera...
Building Type:
B business
Interior finish - suite 800 one digital
Valuation:
$1,500,000
Permit #:
BU25-000097
Status:
complete
Fee:
N/A
Permit Type:
Commercial altera...
Building Type:
B business
Convert (3) office suites into one. includes addition of restrooms cafe offices and conference rooms. mep is design-build. dover development
Valuation:
$275,000
Permit #:
BU24-000086
Status:
issued
Fee:
N/A
Permit Type:
Commercial altera...
Building Type:
B business
Child record - parking lot (parent record 24bld-06736) 24pac-00047 (bstreet collision center)
Valuation:
$599,695
Permit #:
24BLD-09163
Status:
issued
Fee:
$3,606
Permit Type:
Addition
Building Type:
N/A
Interior renovations. ansira
Valuation:
$375,000
Permit #:
BU25-000221
Status:
complete
Fee:
N/A
Permit Type:
Commercial altera...
Building Type:
B business
Interior finish carevet
Valuation:
$650,000
Permit #:
BU24-000448
Status:
issued
Fee:
N/A
Permit Type:
Commercial altera...
Building Type:
B business
Demolition project to apply white box condition to existing office suites
Valuation:
$318,000
Permit #:
BU23-000512
Status:
complete
Fee:
N/A
Permit Type:
Commercial altera...
Building Type:
B business
Rest room remodel - 2nd floor
Valuation:
$190,000
Permit #:
BU25-000165
Status:
complete
Fee:
N/A
Permit Type:
Commercial altera...
Building Type:
B business
Interior tenant finish
Valuation:
$549,006
Permit #:
25-0905
Status:
issued
Fee:
$5,581
Permit Type:
N/A
Building Type:
N/A
Atrium remodel
Valuation:
$3,556,980
Permit #:
BU25-000063
Status:
issued
Fee:
N/A
Permit Type:
Commercial altera...
Building Type:
B business
Renovation to existing office suite. brown family wealth advisors
Valuation:
$200,000
Permit #:
BU25-000093
Status:
complete
Fee:
N/A
Permit Type:
Commercial altera...
Building Type:
B business
Interior renovations
Valuation:
$270,000
Permit #:
BU25-000212
Status:
issued
Fee:
N/A
Permit Type:
Commercial altera...
Building Type:
B business
Interior tenant finish apex oil company
Valuation:
$289,000
Permit #:
BU24-000043
Status:
issued
Fee:
N/A
Permit Type:
Commercial altera...
Building Type:
N/A
Interior office renovations
Valuation:
$115,000
Permit #:
BU25-000136
Status:
complete
Fee:
N/A
Permit Type:
Commercial altera...
Building Type:
B business
Bathroom fit-out for future retail tenant
Valuation:
$250,000
Permit #:
BU24-000243
Status:
complete
Fee:
N/A
Permit Type:
Commercial altera...
Building Type:
B business
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Gray Design Group of Louisiana LLC Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Gray Design Group of Louisiana LLC License info
Verified License
| License # | 000553 |
| Status | Active |
| State | Missouri |
| Type | Architectural Corporation |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Gray Design Group of Louisiana LLC 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 # | CA-1135 |
| Status | Active |
| State | Nebraska |
| Type | Architect |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Gray Design Group of Louisiana LLC at the Nebraska Board of Engineers and Architects.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 51535 |
| Status | Active |
| State | North Carolina |
| Type | Architect |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Gray Design Group of Louisiana LLC at the North Carolina Board of Architecture.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| City | Richmond Heights |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of Gray Design Group of Louisiana LLC with the City of Richmond Heights
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| City | Richmond Heights |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of Gray Design Group of Louisiana LLC with the City of Richmond Heights
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 8567 |
| Status | Active |
| State | South Carolina |
| Type | Architect |
- When BuildZoom last verified this license, it had an expiration date of January, 2016. Check the current license status of Gray Design Group of Louisiana LLC with 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 # | 0407003974 |
| Status | Active |
| State | Virginia |
| Type | Business Entity Registration Architect License |
- When BuildZoom last verified this license, it had an expiration date of January, 2016. Check the current license status of Gray Design Group of Louisiana LLC with the Virginia Board for Architects, Professional Engineers, Land Surveyors, Certified Interior Designers and Landscape Architects
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 102187 |
| Status | Active |
| State | Tennessee |
| Type | Architects |
- When BuildZoom last verified this license, it had an expiration date of January, 2016. Check the current license status of Gray Design Group of Louisiana LLC with the Tennessee Department of Commerce and Insurance
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 3099 |
| Status | Active |
| State | Tennessee |
| Type | Architectural Firms |
- When BuildZoom last verified this license, it had an expiration date of January, 2016. Check the current license status of Gray Design Group of Louisiana LLC with the Tennessee Department of Commerce and Insurance
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | LL0017 |
| Status | Active |
| State | Louisiana |
| Type | A Limited Liability Company |
- When BuildZoom last verified this license, it had an expiration date of December, 2025. Check the current license status of Gray Design Group of Louisiana LLC with the Louisiana Board of Architects
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | S3781 |
| Status | Inactive |
| County | St Louis County |
| Type | Structural |
- According to the Saint Louis County Department of Public Works, 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 Gray Design Group of Louisiana LLC at the Saint Louis County Department of Public Works.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 9057 |
| 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 Gray Design Group of Louisiana LLC 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 # | 5256 |
| Status | Inactive |
| State | Louisiana |
| Type | Architect |
- According to the Louisiana Board of Architects, 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 Gray Design Group of Louisiana LLC at the Louisiana Board of Architects.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
109
Permits
- Building permit records show that Gray Design Group of Louisiana LLC has worked on 109 permitted projects.
Gray Design Group of Louisiana LLC Employees
DF
Danielle Finch
Owner
GI
Gray Design Group Inc
Owner
GP
Gray Design Group Of North Carolina, P.L.L.C.
Owner
LC
Laurie Carson
Owner
LM
Lawrence Joseph Milles
Architect
MM
Mr Lawrence J Milles
Owner
MM
Mr. Lawrence J. Milles
Licensee
MH
Mr. Tobias D. Heddinghaus
SW
Sara Wellman
TH
Tobias D Heddinghaus
Owner
TH
Tobias Dereck Heddinghaus
Architect
TH
Tobias Heddinghaus
Owner