Updated: Jun 23, 2026
Location and Projects
Address
6732 W COAL MINE AVE#444, Littleton, CO, 80123
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National Home Improvement Roofer
National Home Improvement, Inc, 6732 W Coal Mine Ave, Littleton, CO (Owned by: Steve Becker) holds a D Custom Size Window Replacement license and 23 other licenses according to the Denver license board.
Their BuildZoom score of 110 ranks in the top 4% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring National Home Improvement, Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
National Home Improvement, Inc Contact Information
Phone Number: (720) 476-7780
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Address: 6732 W COAL MINE AVE#444, Littleton, CO 80123
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National Home Improvement, Inc Littleton
Quality
110
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
National Home Improvement, Inc has a BuildZoom score of 110, which places them above 96% of 55,949 contractors in Colorado.
Activity
|
27 projects
|
2025 |
|
44 projects
|
2024 |
|
30 projects
|
2023 |
Our building permit records indicate that National Home Improvement, Inc has worked on at least
101.0 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 |
|
79 projects
|
Roofing projects |
Analyzing permits over the last 4 years shows that National Home Improvement, Inc mostly works on
roofing project
and home addition
projects.
Pricing
|
7 projects
|
< $5k |
|
46 projects
|
$5k-$20k |
|
28 projects
|
$20k-$50k |
|
3 projects
|
$50k-$100k |
The typical size of their permits is approximately $17,338. 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.
Building Permits by National Home Improvement, Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Lohi eye care and eyewear - connect sign installed by fastsigns to existing sign circuit wiring
Valuation:
$300
Permit #:
2025-ELEC-0005186
Status:
final
Fee:
$20
Permit Type:
N/A
Building Type:
Commercial
400 amp (320 continuous) overhead service upgrade and wiring for new water heater
Valuation:
$18,500
Permit #:
2025-ELEC-0005321
Status:
final
Fee:
$171
Permit Type:
N/A
Building Type:
Single family res...
Electrical circuits and wiring for elevator being installed by others
Valuation:
$3,500
Permit #:
2025-ELEC-0005184
Status:
final
Fee:
$51
Permit Type:
N/A
Building Type:
Single family res...
Drain in basement.floor plumbing for basement
Valuation:
$25,000
Permit #:
RES-24-01368
Status:
issued
Fee:
$1,099
Permit Type:
N/A
Building Type:
N/A
Comments: tear off 1 layer and reroof with asphalt 35 squares
Valuation:
$31,584
Permit #:
1850975
Status:
issued
Fee:
$233
Permit Type:
Roofing-rt2
Building Type:
N/A
Comments: tear off 1 layer and reroof with asphalt 35 squares
Valuation:
$25,460
Permit #:
1825129
Status:
issued
Fee:
$233
Permit Type:
Roofing-rt2
Building Type:
N/A
Primary residence - composition
Valuation:
$24,720
Permit #:
25-01017
Status:
issued
Fee:
$391
Permit Type:
Primary residence...
Building Type:
N/A
Comments: tear off 1 layer and reroof with asphalt 22 squares
Valuation:
$17,703
Permit #:
1864646
Status:
issued
Fee:
$233
Permit Type:
Roofing-rt2
Building Type:
N/A
Comments: tear off 1 layer and reroof with asphalt 23 squares
Valuation:
$17,230
Permit #:
1835376
Status:
issued
Fee:
$233
Permit Type:
Roofing-rt2
Building Type:
N/A
Comments: tear off 1 layer and reroof with asphalt 30 squares
Valuation:
$23,650
Permit #:
1811749
Status:
issued
Fee:
$233
Permit Type:
Roofing-rt2
Building Type:
N/A
Remove existing siding on exterior walls. supply & install house wrap tape seams & install 14 sq vinyl siding
Valuation:
$17,845
Permit #:
2024-ROOFSIDE-0004270
Status:
final
Fee:
$163
Permit Type:
N/A
Building Type:
Single family res...
Primary residence - composition
Valuation:
$22,285
Permit #:
25-03867
Status:
complete
Fee:
$363
Permit Type:
Primary residence...
Building Type:
N/A
Comments: tear off 1 layer and reroof with asphalt 19 squares
Valuation:
$10,115
Permit #:
1846431
Status:
issued
Fee:
$233
Permit Type:
Roofing-rt2
Building Type:
N/A
Comments: tear off 1 layer and reroof with asphalt squares
Valuation:
$12,597
Permit #:
1822880
Status:
issued
Fee:
$233
Permit Type:
Roofing-rt2
Building Type:
N/A
Comments: tear off 1 layer and reroof with asphalt 27 squares
Valuation:
$10,670
Permit #:
1813720
Status:
issued
Fee:
$233
Permit Type:
Roofing-rt2
Building Type:
N/A
Primary residence - composition
Valuation:
$12,527
Permit #:
25-03964
Status:
complete
Fee:
$223
Permit Type:
Primary residence...
Building Type:
N/A
Residential one stop - electrical service change
2025-05-14
200 amp service upgrade
Valuation:
$5,000
Permit #:
RONE-25-01535
Status:
complete
Fee:
$305
Permit Type:
N/A
Building Type:
N/A
200 amp service upgrade
Valuation:
$7,800
Permit #:
2025-ELEC-0000896
Status:
final
Fee:
$83
Permit Type:
N/A
Building Type:
Single family res...
Install vinyl shake siding in all gables of house. install vented soffit
Valuation:
$10,841
Permit #:
RONE-25-02566
Status:
issued
Fee:
$344
Permit Type:
N/A
Building Type:
N/A
Comments: tear off 1 layer and reroof with asphalt 24 squares
Valuation:
$26,105
Permit #:
1905387
Status:
issued
Fee:
$244
Permit Type:
Roofing-rt2
Building Type:
N/A
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BZ Score
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National Home Improvement, Inc Reviews
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Recent Buildzoom Projects
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Verified License
BuildZoom confirmed this contractor's license
National Home Improvement, Inc License info
Verified License
| Status | Active |
| City | Denver |
| Type | D Custom Size Window Replacement |
- BuildZoom verified this license was active as of June 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | D Siding |
- BuildZoom verified this license was active as of June 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | Electrical |
- BuildZoom verified this license was active as of June 2026.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 4206 |
| Status | Active |
| State | Colorado |
| Type | Electrical Contractor |
- When BuildZoom last verified this license, it had an expiration date of September, 2017. Check the current license status of National Home Improvement, Inc with the Colorado Division of Professions and Occupations
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC4858 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for National Home Improvement, Inc at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC1115 |
| Status | Active |
| City | Arvada |
| Type | Contractor |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for National Home Improvement, Inc at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | C090532 |
| Status | Active |
| County | Douglas County |
| Type | General C |
- BuildZoom verified this license was active as of October 2025.
Verify this license's status for National Home Improvement, Inc at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | E00040 |
| Status | Active |
| County | Douglas County |
| Type | Electrical |
- BuildZoom verified this license was active as of July 2025.
Verify this license's status for National Home Improvement, Inc at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| County | Jefferson County |
| Type | Class C Contractor (1 2 Family Dwellings) |
| Class | 1-2 Family Dwellings |
- When BuildZoom last verified this license, it had an expiration date of December, 2023. Check the current license status of National Home Improvement, Inc with the Jefferson County Licensed Contractors
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| City | Denver |
- When BuildZoom last verified this license, it had an expiration date of October, 2020. Check the current license status of National Home Improvement, Inc with the City and County of Denver Community Planning and Development
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 3788 |
| Status | Active |
| County | Douglas County |
| Type | Master Electrical |
- When BuildZoom last verified this license, it had an expiration date of November, 2017. Check the current license status of National Home Improvement, Inc with the Douglas County Building Division
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CEN-13-01730 |
| Status | Active |
| City | Centennial |
| Type | Electrical Contractor |
- BuildZoom has not verified this license since July, 2015.
Verify this license's status for National Home Improvement, Inc at the Centennial Community Development Contractor Licensing.
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | 17-2547 |
| Status | Unable To Verify |
| Town | Castle Rock |
| Type | Residential Contractor Class C |
- BuildZoom was not able to verify this license with the licensing board
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | 09-0277 |
| Status | Unable To Verify |
| Town | Castle Rock |
| Type | General Unlimited Class A |
- BuildZoom was not able to verify this license with the licensing board
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | CR25-0635 |
| Status | Unable To Verify |
| Town | Castle Rock |
| Type | Residential Contractor Class C |
| Date Issued | 09-03-2025 |
- BuildZoom was not able to verify this license with the licensing board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC4858 |
| Status | Inactive |
| City | Arvada |
| Type | Contractor |
- According to the The City of Arvada, Colorado, 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 National Home Improvement, Inc at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 0014349 |
| Status | Inactive |
| Pueblo | |
| Type | Electrical |
- According to the Pueblo regional Building Department, 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 National Home Improvement, Inc at the Pueblo regional Building Department.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Denver |
- According to the City and County of Denver Community Planning and Development, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 090831052 |
| Status | Inactive |
| City | Westminster |
| Type | Electrical Contractor |
- According to the City of Westminster, Colorado, 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 National Home Improvement, Inc at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | E00867 |
| Status | Inactive |
| City | Littleton |
| Type | Contractor |
- According to the The City of Littleton, CO, 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 National Home Improvement, Inc at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | C00374 |
| Status | Inactive |
| City | Littleton |
| Type | Contractor |
- According to the The City of Littleton, CO, 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 National Home Improvement, Inc at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-37709-2 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- 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 National Home Improvement, Inc at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LCC2015058369 |
| Status | Inactive |
| City | Thornton |
| Type | Class C Residential Contractor |
- According to the Thornton City Development Contractor License, 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 National Home Improvement, Inc at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LCC2015058918 |
| Status | Inactive |
| City | Thornton |
| Type | Class D Electrical |
- According to the Thornton City Development Contractor License, 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 National Home Improvement, Inc at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
110
BuildZoom Score
Insured
| Insurer | Owners Insurance Company |
Insured
| Workers Comp Provider | Pinnacol |
480
Permits
- Building permit records show that National Home Improvement, Inc has worked on 480 permitted projects.
National Home Improvement, Inc Employees
DD
Duplicate Account Deactivate
Co Owner
EI
Electric Doctor Inc
Owner
EI
Electric Doctor, Inc.
JB
James Bisgard
Owner
NI
National Home Improvement
Owner
NI
National Home Improvement Inc
Owner
RB
Royce Bisgard
RB
Royce C Bisgard
Owner
RB
Royce Craig Bisgard
Contact
SB
Steve Becker
Owner
SB
Steve Berker
Owner
WI
Welsh Electric Inc
Owner