Updated: Apr 24, 2026
Location and Projects
Address
8325 FONTANA AVE, Downey, CA, 90241
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M G C Construction
M G C Construction, 8325 Fontana Ave, Downey, CA (Employees: Carlos Medrano, Michael Gabriel Candelario, and Thomas Joseph Conforti) holds a General Building license and 3 other licenses according to the California license board.
Their BuildZoom score of 103 ranks in the top 10% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring M G C Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
M G C Construction Services
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M G C Construction Contact Information
Phone Number: (916) 470-6736
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Address: 8325 FONTANA AVE, Downey, CA 90241
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M G C Construction Downey
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
M G C Construction has a BuildZoom score of 103, which places them above 90% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
5 projects
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that M G C Construction has worked on at least
9.0 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
|
3 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that M G C Construction mostly works on
home addition
projects.
Pricing
|
4 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
The typical size of their permits is approximately $17,152. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Re-roof with class a or b material weighing less than 6 pounds per sq. ft. over existing solid sheathing 20 squares. class a roof covering is required within very high fire hazard severity zone (vhfhsz). for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required for non-resid... see more
Valuation:
$15,000
Permit #:
24016-10000-15434
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(e) 372sf garage to be converted into adu with 232sf addition
Valuation:
$88,543
Permit #:
BLD-24-01082
Status:
final
Fee:
$7,543
Permit Type:
N/A
Building Type:
N/A
# scanned # lower floor - new bathroom at current den location. reconfigure portion of master bedroom to create new closet. reconfigure existing master bedroom closet & laundry room to create larger laundry room
Valuation:
$18,000
Permit #:
BLD2009-01372
Status:
final
Fee:
$1,936
Permit Type:
N/A
Building Type:
N/A
(n) 300 sqft block wall at rear. comon wall agreement on file
Valuation:
$5,151
Permit #:
BLD-24-00456
Status:
complete
Fee:
$246
Permit Type:
N/A
Building Type:
N/A
# scanned # remodel bathroom - all new counter tops cabinets & fixtures elliminating tub & existing vanity to create new double vanity
Valuation:
$5,000
Permit #:
BLD2009-01219
Status:
final
Fee:
$1,153
Permit Type:
N/A
Building Type:
N/A
5000sf comparable shingle reroof (1) bathroom sink c/o
Valuation:
N/A
Permit #:
RES2024-00358
Status:
issued
Fee:
N/A
Permit Type:
Remodel
Building Type:
N/A
Supplemental permit to pcis#17016-10000-32749 to remove the urinal in men's bathroom and change to unisex bathroom for both bathroom from original permit. - no project valuation is increased. -- no fee --
Valuation:
N/A
Permit #:
17016-10001-32749
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Conversion of an existing carport into an adu at 239 s/f
Valuation:
$29,392
Permit #:
BLD-23-01499
Status:
expired
Fee:
$2,607
Permit Type:
N/A
Building Type:
N/A
Park point: replace (1) window like for like
Valuation:
$6,160
Permit #:
B-BP23-0520
Status:
final
Fee:
$1,135
Permit Type:
Other structures
Building Type:
N/A
Tenant improvement to existing retail commercial building
Valuation:
$150,000
Permit #:
17016-10000-32749
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Replace (2) floor drains (2) toilets and (1) urinal. (permit #2 of 2)
Valuation:
N/A
Permit #:
17042-70000-28429
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplimental to 17016-10000-32749 to revise restroom layout
Valuation:
N/A
Permit #:
17016-10002-32749
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install subpanel for 2-gang service @ 2221 wall street
Valuation:
N/A
Permit #:
17041-70001-41330
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Install 10 outlets and 4 light fixtures. (permit #1 of 2)
Valuation:
N/A
Permit #:
17041-70000-41333
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install 2-gang meter service. (permit #1 of 2)
Valuation:
N/A
Permit #:
17041-70000-41330
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Install 12 new circuits
Valuation:
N/A
Permit #:
17041-70000-46217
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemenatl permit for permit #15016-70000-00377 to addition re-roof with class a or b material weighing less than 6 pound per sq. ft. 3.05 squares in garage. and to addition fire damage repair for residential building only (maximum 10% of replacement cost of building). at garage
Valuation:
$1,100
Permit #:
15016-70001-00377
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(1)window out (same size & type) for residential buildings. dual glazing labeled and certified by national fenestration rating council (nfrc) is required for doors and windows replaced in all residential buildings three stories or less per section 152(b) of title 24.fire damage repair for residential buildings only (maximum 10% of replacement cost of building). repair garage door and ... see more
Valuation:
$3,800
Permit #:
15016-70000-00377
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Change out (4) windows same size and location dual glazing labeled and certified by national fenestration rating council (nfrc) is required for doors and windows replaced in all residential buildings three stories or less per section 152(b) of title 24
Valuation:
N/A
Permit #:
14016-70000-22213
Status:
applied
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
T-24 pc for energy only. tenant improvement to an existing retail commercial building. scope includes new lights and receptacles. total affected area is 5015 sq. ft. b# 17016-10000-32749 note: permit is pulled under express permit
Valuation:
N/A
Permit #:
17041-10000-45960
Status:
plancheck
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
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M G C Construction Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
M G C Construction License info
Verified License
| License # | 797630 |
| 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 M G C Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 851652 |
| Status | Active |
| City | South San Francisco |
| Type | Contractor |
| Business Type | Sole Ownership |
- When BuildZoom last verified this license, it had an expiration date of July, 2017. Check the current license status of M G C Construction with the The City of South San Francisco, CA
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 851652 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- According to the California Contractors State License 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 M G C 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 # | 560453 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- According to the California Contractors State License 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 M G C Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
Bonded
| Bonded Agent | State National Insurance Company Inc |
| Bond Value | $15,000 |
74
Permits
- Building permit records show that M G C Construction has worked on 74 permitted projects.
M G C Construction Employees
CM
Carlos Medrano
Sole Owner
MC
Michael Gabriel Candelario
Sole Owner
TC
Thomas Joseph Conforti
Qualify Partner