Updated: Mar 25, 2026
Location and Projects
Address
PO BOX 516, Newbury Park, CA, 91319
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G N R Building Specialists Construction
G N R Building Specialists, Newbury Park, Po Box 516, Newbury Park, CA (Owned by: Gale George Gruen) holds a General Building license and 2 other licenses according to the California license board.
Their BuildZoom score of 93 ranks in the top 27% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring G N R Building Specialists, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
G N R Building Specialists Services
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G N R Building Specialists Contact Information
Phone Number: (805) 480-3355
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Address: PO BOX 516, Newbury Park, CA 91319
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Building Permits by G N R Building Specialists
This is a sample of this contractor's permits. Click here to access their complete permit history.
7'1-3/4"x11'8-1/2 & 9'4"x30'5 irregular shaped additions and rear 10'6-3/8"x7'8 patio addition with deck above and remodel to (e) single family dwelling
Valuation:
$250,000
Permit #:
18014-20000-06200
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Tenant improvement to existing restaurant
Valuation:
$140,000
Permit #:
19016-10000-38906
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Unit 5 - remodel existing master bathroom room replace shower tub cabinets lights and floors
Valuation:
$25,000
Permit #:
BS2002660
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Manufactured hi d...
Unit 5 - remodel existing master bathroom room replace shower tub cabinets lights and floors
Valuation:
$25,000
Permit #:
BS2002659
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Manufactured hi d...
Instlall ipe deck covering over existing waterproff decking the installation will not penetrate existing waterproffing or restrict the flow of water
Valuation:
$1,600
Permit #:
BS2005255
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Manufactured hi d...
Interior/exterior alteration and re-roofing to remove and replace fire damage to (e) 2 story single family dwelling w attached garage
Valuation:
$10,000
Permit #:
18016-10000-18301
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
[eplan] plan check for energy only. scope of work includes new lighting and receptacles to an (e) bakery space. total sq. ft. 2027
Valuation:
N/A
Permit #:
20041-10000-12069
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement
Valuation:
$778,697
Permit #:
17-2990/000 000 B 00
Status:
complete
Fee:
$12,250
Permit Type:
Office building a...
Building Type:
Industrial park
Unit 5 - remodel existing master bathroom room replace shower tub cabinets lights and floors. (no change to floor layout)
Valuation:
$25,000
Permit #:
BS2002658
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Manufactured hi d...
Supplemental permit to 18014-20000-06200 to revise structural framing plans
Valuation:
N/A
Permit #:
18014-20001-06200
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
No Description Available
Valuation:
$778,697
Permit #:
17-2990/000 000 P 00
Status:
complete
Fee:
$12,250
Permit Type:
Office building a...
Building Type:
Industrial park
No Description Available
Valuation:
$778,697
Permit #:
17-2990/000 000 MR 00
Status:
complete
Fee:
$12,250
Permit Type:
Office building a...
Building Type:
Industrial park
No Description Available
Valuation:
$778,697
Permit #:
17-2990/000 000 ER 00
Status:
complete
Fee:
$12,250
Permit Type:
Office building a...
Building Type:
Industrial park
Misc. permit to addition suite number to the permit. ti: general hvac 2 type ii hoods and oven
Valuation:
N/A
Permit #:
20044-20001-04095
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
1500 sq ft foundation repair on 10 (n) piles
Valuation:
$80,000
Permit #:
1907080025
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant improvement
Valuation:
$778,697
Permit #:
2017-2990-P-0-0-0
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant improvement
Valuation:
$778,697
Permit #:
2017-2990-MR-0-0-0
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant improvement
Valuation:
$778,697
Permit #:
2017-2990-ER-0-0-0
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant improvement
Valuation:
$778,697
Permit #:
2017-2990-B-0-0-0
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Window replacement for unit 1 3 and 5 (pl2000234)
Valuation:
N/A
Permit #:
BS2003857
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Manufactured hi d...
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Verified License
BuildZoom confirmed this contractor's license
G N R Building Specialists License info
Verified License
| License # | 746376 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for G N R Building Specialists at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-F158915-2 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Sole Ownership |
- According to the United States Environmental Protection Agency, 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 G N R Building Specialists at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-F158915-1 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Sole Ownership |
- According to the United States Environmental Protection Agency, 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 G N R Building Specialists at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
47
Permits
- Building permit records show that G N R Building Specialists has worked on 47 permitted projects.
G N R Building Specialists Employees
GG
Gale George Gruen
Owner