Updated: Mar 18, 2026
Location and Projects
Address
P O BOX 78297, Corona, CA, 92877
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Calcom Roofing
Calcom Roofing, Corona, Po Box 78297, Corona, CA (Employee: William Carlyle Leinenweaver) holds a Roofing license and 1 other license according to the California license board.
Their BuildZoom score of 108 ranks in the top 5% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Calcom Roofing, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Calcom Roofing Contact Information
Phone Number: (951) 277-3886
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Address: P O BOX 78297, Corona, CA 92877
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Calcom Roofing Corona
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Calcom Roofing has a BuildZoom score of 108, which places them above 95% of 336,931 contractors in California.
Activity
|
12 projects
|
2025 |
|
8 projects
|
2024 |
|
7 projects
|
2023 |
Our building permit records indicate that Calcom Roofing has worked on at least
27.0 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
|
26 projects
|
Roofing projects |
Analyzing permits over the last 4 years shows that Calcom Roofing mostly works on
roofing project
projects.
Pricing
|
4 projects
|
$5k-$20k |
|
3 projects
|
$20k-$50k |
|
3 projects
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
The typical size of their permits is approximately $25,000. 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.
Permit to install gaf timberline reflector shingles over 1-layer astm 30# felt over existing single layer of shingles. install new edge metal and pipe flashings esr #3267 crrc #0676-0130; 83 squares
Valuation:
N/A
Permit #:
REROOF-25-00007
Status:
complete
Fee:
$244
Permit Type:
N/A
Building Type:
N/A
Permit to install gaf timberline reflector shingles over 1-layer astm 30# felt over existing single layer of shingles. install new edge metal and pipe flashings esr #3267 crrc #0676-0130; 97 squares
Valuation:
N/A
Permit #:
REROOF-25-00006
Status:
complete
Fee:
$246
Permit Type:
N/A
Building Type:
N/A
Permit to install gaf timberline reflector shingles over 1-layer astm 30# felt over existing single layer of shingles. install new edge metal and pipe flashings esr #3267 crrc #0676-0130; 90 squares
Valuation:
N/A
Permit #:
REROOF-25-00005
Status:
complete
Fee:
$245
Permit Type:
N/A
Building Type:
N/A
Permit to install gaf timberline reflector shingles over 1-layer astm 30# felt over existing single layer of shingles. install new edge metal and pipe flashings esr #3267 crrc #0676-0130; 82 squares
Valuation:
N/A
Permit #:
REROOF-25-00004
Status:
complete
Fee:
$244
Permit Type:
N/A
Building Type:
N/A
Permit to install gaf timberline reflector shingles over 1-layer astm 30# felt over existing single layer of shingles. install new edge metal and pipe flashings esr #3267 crrc #0676-0130; 82 squares
Valuation:
N/A
Permit #:
REROOF-25-00003
Status:
complete
Fee:
$244
Permit Type:
N/A
Building Type:
N/A
Permit to install gaf timberline reflector shingles over 1-layer astm 30# felt over existing single layer of shingles. install new edge metal and pipe flashings esr #3267 crrc #0676-0130; 97 squares
Valuation:
N/A
Permit #:
REROOF-25-00001
Status:
complete
Fee:
$246
Permit Type:
N/A
Building Type:
N/A
Permit to install gaf timberline reflector shingles over 1-layer astm #30 felt over existing single layer of shingles. install new edge metal and pipe flashings. esr #3267; crrc #0676-0130a. - 100 squares
Valuation:
N/A
Permit #:
REROOF-24-00031
Status:
complete
Fee:
$292
Permit Type:
N/A
Building Type:
N/A
Re-roof with class a or b roof covering material weighing less than 6 pounds per sq. ft. over existing solid sheathing 72 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... see more
Valuation:
$14,400
Permit #:
23016-90000-06272
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
No tear off reroof main structure w 22 sq flat. this is for the flat roofs only. there is one layer of built-up roofing existing. we will be using 60mil tpo over 1/2 fanfold radiant barrier cover board. all materials will be mechanically attached and the tpo seams heat welded. tpo on the parapet walls will be fully adhered. the other addresses in this building are: 12731 1273 12721 12... see more
Valuation:
N/A
Permit #:
22-2900
Status:
final
Fee:
$456
Permit Type:
N/A
Building Type:
N/A
No tear off reroof main structure w 16 sq flat. this is for the flat roofs only. there is one layer of built-up roofing existing. we will be using 60mil tpo over 1/2 fanfold radiant barrier cover board. all materials will be mechanically attached and the tpo seams heat welded. tpo on the parapet walls will be fully adhered. the other addresses in this building are: 10960 10956 10950 1... see more
Valuation:
N/A
Permit #:
22-2896
Status:
final
Fee:
$361
Permit Type:
N/A
Building Type:
N/A
No tear off reroof main structure w 19 sq flat. this is for the flat roofs only. there is one layer of built-up roofing existing. we will be using 60mil tpo over 1/2 fanfold radiant barrier cover board. all materials will be mechanically attached and the tpo seams heat welded. tpo on the parapet walls will be fully adhered. the other addresses in this building are: 12710 12724 12720 1... see more
Valuation:
N/A
Permit #:
22-2895
Status:
final
Fee:
$429
Permit Type:
N/A
Building Type:
N/A
No tear off reroof main structure w 22 sq flat. this is for the flat roofs only. there is one layer of built-up roofing existing. we will be using 60mil tpo over 1/2 fanfold radiant barrier cover board. all materials will be mechanically attached and the tpo seams heat welded. tpo on the parapet walls will be fully adhered. the other addresses in this building are: 10950 10966 10960 1... see more
Valuation:
N/A
Permit #:
22-2894
Status:
final
Fee:
$456
Permit Type:
N/A
Building Type:
N/A
No tear off reroof main structure w 22 sq flat. this is for the flat roofs only. there is one layer of built-up roofing existing. we will be using 60mil tpo over 1/2 inch fanfold radiant barrier cover board. all materials will be mechanically attached and the tpo seams heat welded. tpo on the parapet walls will be fully adhered the other addresses in this building are: 10906 10916 109... see more
Valuation:
N/A
Permit #:
22-2893
Status:
final
Fee:
$456
Permit Type:
N/A
Building Type:
N/A
No tear off reroof main structure w 25 sq flat. this is for the flat roofs only. there is one layer of built-up roofing existing. we will be using 60mil tpo over 1/2 inch fanfold radiant barrier cover board. all materials will be mechanically attached and the tpo seams heat welded. tpo on the parapet walls will be fully adhered. the other addresses in this building are: 12742 12740 12... see more
Valuation:
N/A
Permit #:
22-2891
Status:
final
Fee:
$495
Permit Type:
N/A
Building Type:
N/A
Reroof with 4 sqrs built up roofing. existing solid sheathing. re-roof with class a or b material weighing less than 6 pounds per sq. ft. 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-residential buildings per title 24 part 6 section 149(b)
Valuation:
$800
Permit #:
21016-90000-47066
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Reroof with 8 sqrs built up roofing. existing solid sheathing. re-roof with class a or b material weighing less than 6 pounds per sq. ft. 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-residential buildings per title 24 part 6 section 149(b)
Valuation:
$1,600
Permit #:
21016-90000-47070
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Reroof with 8 sqrs built up roofing. existing solid sheathing. re-roof with class a or b material weighing less than 6 pounds per sq. ft. 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-residential buildings per title 24 part 6 section 149(b)
Valuation:
$1,600
Permit #:
21016-90000-47067
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Reroof with 8 sqrs built up roofing. existing solid sheathing. re-roof with class a or b material weighing less than 6 pounds per sq. ft. 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-residential buildings per title 24 part 6 section 149(b)
Valuation:
$1,600
Permit #:
21016-90000-47065
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Reroof with 4 sqrs built up roofing. existing solid sheathing. re-roof with class a or b material weighing less than 6 pounds per sq. ft. 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-residential buildings per title 24 part 6 section 149(b)
Valuation:
$800
Permit #:
21016-90000-47068
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Reroof with 8 sqrs built up roofing. existing solid sheathing. re-roof with class a or b material weighing less than 6 pounds per sq. ft. 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-residential buildings per title 24 part 6 section 149(b)
Valuation:
$1,600
Permit #:
21016-90000-47079
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
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Calcom Roofing Reviews
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Verified License
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Calcom Roofing License info
Verified License
| License # | 971035 |
| Status | Active |
| State | California |
| Type | Roofing |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Calcom Roofing 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 # | 971035 |
| Status | Active |
| State | California |
| Type | C39 - ROOFING |
- When BuildZoom last verified this license, it had an expiration date of March, 2022. Check the current license status of Calcom Roofing with the California Contractors State License Board
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $25,000 |
Insured
| Workers Comp Provider | Praetorian Insurance Company |
245
Permits
- Building permit records show that Calcom Roofing has worked on 245 permitted projects.
Calcom Roofing Employees
WL
William Carlyle Leinenweaver
Rmo / Ceo / Pres