Updated: Jul 03, 2026
Location and Projects
Address
320 REDWOOD AVENUE, Redwood City, CA, 94061
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Gtz Construction
Gtz Construction, 320 Redwood Ave, Redwood City, CA (Owned by: Mario Gutierrez) holds a General Building, Landscaping license and 1 other license according to the California license board.
Their BuildZoom score of 94 ranks in the top 24% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Gtz Construction, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Gtz Construction Services
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Gtz Construction Contact Information
Phone Number: (650) 520-8894
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Address: 320 REDWOOD AVENUE, Redwood City, CA 94061
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Hall way like for like bathroom remodel. includes replacement of bathtub and fixture wall tiles exhaust fan floor tiles and electrical switches
Valuation:
$9,600
Permit #:
BLD2021-07177
Status:
complete
Fee:
$725
Permit Type:
Alteration reside...
Building Type:
N/A
# scanned # new scope of work see revision #1 12/11/12 scanned. response to swn2007-00040: demolish permit to remove unpermitted work. 11/16/12 bcc luis barbosa came in and described the work as two offices were built in commercial space revision #1 rmm 12/11/12 - legalize 2 offices built without permits (1 upstairs & 1 downstairs); close up the roll-up door at front left of building ... see more
Valuation:
$30,000
Permit #:
BLD2012-00289
Status:
final
Fee:
$7,982
Permit Type:
N/A
Building Type:
N/A
Upstair hallway bathroom partial remodel replace bathtub & vani
Valuation:
$11,000
Permit #:
B21-0674
Status:
final
Fee:
$476
Permit Type:
Residential
Building Type:
N/A
Kitchen remodel- remove & replace counter top cabinets kitchen appliances. relocate gas range. bathroom remodel- remove & replace toilet fixtures. replace windows in bedrooms & modify 1 window to be smaller. extend gas line to garage. upgrade panel to 200 amp. re-wire electrical lines in whole house. remove (e) wall between kitchen & living room
Valuation:
$20,000
Permit #:
BLD2016-44669
Status:
final
Fee:
$897
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel- remove & replace counter top cabinets kitchen appliances. relocate gas range. bathroom remodel- remove & replace toilet fixtures. replace windows in bedrooms & modify 1 window to be smaller. extend gas line to garage. upgrade panel to 200 amp. re-wire electrical lines in whole house. remove (e) wall between kitchen & living room
Valuation:
$20,000
Permit #:
BLD2016-44668
Status:
final
Fee:
$897
Permit Type:
N/A
Building Type:
N/A
A 91 square feet addition and 715 square feet interior alteration to a single family one story residence stop work issued on 10/28/15 by r. bunje photos emailed house gutted
Valuation:
$93,500
Permit #:
BLD2015-01523
Status:
final
Fee:
$5,987
Permit Type:
Addition
Building Type:
N/A
Bathroom remodel hall bathroom and guest bathroom interior only
Valuation:
$6,500
Permit #:
BLD2016-43982
Status:
final
Fee:
$439
Permit Type:
N/A
Building Type:
N/A
Alteration
Valuation:
N/A
Permit #:
BLD20-00857
Status:
final
Fee:
$302
Permit Type:
Other
Building Type:
N/A
Butcher shop wall repair. remove (e) tile and drywall
Valuation:
N/A
Permit #:
BLDG2018-0271
Status:
final
Fee:
$240
Permit Type:
Commercial
Building Type:
N/A
Install new backflow device
Valuation:
N/A
Permit #:
B12-2204
Status:
final
Fee:
$50
Permit Type:
Bf preventor
Building Type:
N/A
Addition of office and covered porch and re-roof house
Valuation:
N/A
Permit #:
B06-0928
Status:
final
Fee:
$369
Permit Type:
Addition/res
Building Type:
N/A
Kitchen remodel remove walls
Valuation:
$10,000
Permit #:
B08-0237
Status:
final
Fee:
$334
Permit Type:
Alter/res
Building Type:
N/A
Two new bathrooms
Valuation:
$17,000
Permit #:
B05-1493
Status:
final
Fee:
$601
Permit Type:
Alter/res
Building Type:
N/A
New detached garage
Valuation:
$38,000
Permit #:
BLD2016-00020
Status:
expired
Fee:
$1,924
Permit Type:
New
Building Type:
N/A
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Gtz Construction License info
Verified License
| License # | 1002420 |
| Status | Active |
| State | California |
| Type | General Building, Landscaping |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Gtz Construction 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-F152862-2 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation, Evaluation (Dust Sampling Technician) |
| 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 Gtz Construction at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Norguard Insurance Company |
10
Permits
- Building permit records show that Gtz Construction has worked on 10 permitted projects.
Gtz Construction Employees
MG
Mario Gutierrez
Sole Owner
MG
Mario Gutierrez
Owner