Updated: Jun 09, 2026
Location and Projects
Address
Columbus, OH, 43215
Use our bidding system to
request a quote
Hellmuth, Obata & Kassabaum, Pc Architect
Hellmuth, Obata & Kassabaum, Pc, Columbus, OH (Employees: Alicia Konstantinovich and Lavonne Byers) holds a Architect license and 4 other licenses according to the Ohio license board.
Their BuildZoom score of 95 ranks in the top 22% of 52,717 Ohio licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Hellmuth, Obata & Kassabaum, Pc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Hellmuth, Obata & Kassabaum, Pc Services
Start a project today:
Hellmuth, Obata & Kassabaum, Pc Contact Information
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Hellmuth, Obata & Kassabaum, Pc Columbus
Quality
95
78th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Hellmuth, Obata & Kassabaum, Pc has a BuildZoom score of 95, which places them above 78% of 52,717 contractors in Ohio.
Activity
|
1 project
|
2024 |
Our building permit records indicate that Hellmuth, Obata & Kassabaum, Pc has worked on at least
1.0 project 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
|
$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 Hellmuth, Obata & Kassabaum, Pc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Renovation of 4 story 140 000 sq ft building and addition of roof deck per approved plans. special inspector required. permits required for plumbing hvac electrical and fire protection systems
Valuation:
$1,500,000
Permit #:
B19031776
Status:
final
Fee:
$22,068
Permit Type:
Alteration
Building Type:
N/A
Building/commercial/plans examination/plan revision
2016-07-06
400 west nationwide blvd. (43215) - nationwide office building - revision to previously approved # cbld1531632 in response to tenant improvements (via separate permitting) the attached core and shell drawings revise the location of corridor 104 and addition corridor 211 - revision approved as submitted for g. saw (retired) - 7/08/2016 - rjschutz
Valuation:
N/A
Permit #:
PLRE1618572
Status:
filed
Fee:
$300
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
License # FIRM.23314736
Columbus, OH
139
BZ Score
$250K
Avg Project
-
Projects
License # A-5239
Powell, OH
137
BZ Score
$38K
Avg Project
-
Projects
License # FIRM.20314296
Columbus, OH
133
BZ Score
$200K
Avg Project
-
Projects
Hellmuth, Obata & Kassabaum, Pc Reviews
BuildZoom hasn't received any reviews for Hellmuth, Obata & Kassabaum, Pc. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Hellmuth, Obata & Kassabaum, Pc License info
Verified License
| License # | FIRM.00122630 |
| Status | Active |
| State | Ohio |
| Type | Architect |
| Date Issued | 07-01-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Hellmuth, Obata & Kassabaum, Pc at the Ohio Architects Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | FIRM.00122630-ARC |
| Status | Active |
| State | Ohio |
| Type | Architectural Firm |
- When BuildZoom last verified this license, it had an expiration date of June, 2015. Check the current license status of Hellmuth, Obata & Kassabaum, Pc with the Ohio Architects Board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | APP-000372829 |
| Status | Inactive |
| State | Ohio |
| Type | Architect |
- According to the Ohio Architects Board, 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 Hellmuth, Obata & Kassabaum, Pc at the Ohio Architects Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 21-0188 |
| Status | Inactive |
| County | Cuyahoga County |
| Type | Contractor |
- According to the Cuyahoga County Agency of Inspector General, 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 Hellmuth, Obata & Kassabaum, Pc at the Cuyahoga County Agency of Inspector General.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | APP-000171420 |
| Status | Inactive |
| State | Ohio |
| Type | Architect |
- According to the Ohio Architects Board, 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 Hellmuth, Obata & Kassabaum, Pc at the Ohio Architects Board.
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
Hellmuth, Obata & Kassabaum, Pc Employees
AK
Alicia Konstantinovich
HP
Hellmuth, Obata & Kassabaum, Pc
Owner
LB
Lavonne Byers
PM
Peter Mosanyi
SC
Sarajane Clark