Updated: May 02, 2026
Location and Projects
Headquarters Address
Brooklyn, NY, 11201
Local address
10277 WETHERBURN ROAD, Ellicott City, MD, 21042
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Heidi L. Blau Architect
Heidi L. Blau, 10277 Wetherburn Rd, Ellicott City, MD (Owned by: Jeryong Oh) holds a Architects license and 2 other licenses according to the Maryland license board.
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
Their license was verified as active when we last checked. If you are thinking of hiring Heidi L. Blau, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Heidi L. Blau Services
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Heidi L. Blau Contact Information
Headquarters Address: Brooklyn, NY, 11201
Local Address: 10277 WETHERBURN ROAD, Ellicott City, MD 21042
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Residential electrical addition alteration permit
2014-05-20
Single family dwelling install (2) smoke detectors (4) switches (14) receptacles (12) fixtures; area light and (2) low voltage devices (1) phone and (1) tv cable 410-916-1553 b14001178
Valuation:
N/A
Permit #:
E14002596
Status:
complete
Fee:
$105
Permit Type:
N/A
Building Type:
N/A
Residential interior alteration single family dwelling permit
2016-08-25
Single family dwelling finish basement to include: full bathroom recreation room entertainment room seaing area unfinished mechanical room & unfinished storage room approximately 900 sq ft
Valuation:
N/A
Permit #:
B16003731
Status:
complete
Fee:
$135
Permit Type:
N/A
Building Type:
N/A
Residential plumbing addition alteration permit
2016-09-14
Single family dwelling install plumbing fixtures 1-shower 1-lav 1-water closet - hmo
Valuation:
N/A
Permit #:
P16004375
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Single family dwelling wire new 200 amp service 120v *rec'd amendment on 08/07/14: install 4 phone & 4 4 tv/cable* 410-916-1553 b13004587
Valuation:
N/A
Permit #:
E14002783
Status:
complete
Fee:
$265
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Heidi L. Blau License info
Verified License
| License # | 12706 |
| Status | Active |
| State | Maryland |
| Type | Architects |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Heidi L. Blau at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 12706 |
| Status | Active |
| State | Maryland |
| Type | Electricians |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Heidi L. Blau at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 12706 |
| Status | Inactive |
| State | Maryland |
| Type | Electricians |
- According to the Maryland Department of Labor, Licensing & Regulation, 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 Heidi L. Blau at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
Heidi L. Blau Employees
HB
Heidi L. Blau
Owner
JO
Jeryong Oh
Owner