Updated: Jul 28, 2026
Location and Projects
Address
165 VALLEJO ST., Denver, CO, 80223
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Interior Alterations Electrician
Interior Alterations Inc, 165 Vallejo St, Denver, CO (Employees: Albert Cappella and Interior Alterations, Inc) holds a General license and 15 other licenses according to the Centennial license board.
Their BuildZoom score of 107 ranks in the top 6% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Interior Alterations Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Interior Alterations Inc Contact Information
Phone Number: (303) 893-9771
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Address: 165 VALLEJO ST., Denver, CO 80223
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Interior Alterations Inc Denver
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Interior Alterations Inc has a BuildZoom score of 107, which places them above 94% of 55,949 contractors in Colorado.
Activity
|
16 projects
|
2025 |
|
7 projects
|
2024 |
|
11 projects
|
2023 |
Our building permit records indicate that Interior Alterations Inc has worked on at least
34.0 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
|
14 projects
|
Commercial Renovations |
|
4 projects
|
Home Additions |
|
15 projects
|
Electrical projects |
Analyzing permits over the last 4 years shows that Interior Alterations Inc mostly works on
electrical project
and commercial renovation
projects.
Pricing
|
4 projects
|
$5k-$20k |
|
4 projects
|
$20k-$50k |
|
10 projects
|
$50k-$100k |
|
8 projects
|
$100k-$250k |
|
6 projects
|
$250k-$500k |
|
2 projects
|
$500k-$1mil |
|
3 projects
|
$1mil+ |
The typical size of their permits is approximately $100,000. 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.
Building Permits by Interior Alterations Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Existing suite to be expanded to include new entry reception larger conference room expanded break room new open work area (5) new offices and new work/copy room. existing mechanical conditions to be modified for new layout. electrical work to include new power and data locations and new lights in a new acoustical grid and tile ceiling. new finishes to be part of the scope of work
Valuation:
$205,388
Permit #:
2023-LOG-0004987
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel of existing tenant improvements. construction of metal stud partitions to underside of existing ceiling grid. relocation of existing lighting fixtures. installation of new electrical and data outlets. redistribution of existing hvac system. new breakroom millwork with plumbing work (sink disposal hot water heater). new carpet and paint
Valuation:
$300,000
Permit #:
CEN-22-00220
Status:
complete
Fee:
$8,018
Permit Type:
N/A
Building Type:
N/A
Conversion of three (3) large offices into six (6) small offices. note: all electrical and mechanical is relocate only. existing fixtures to be re-switched and power relocated
Valuation:
$94,500
Permit #:
2025-LOG-0007810
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1801 california st fl 32 - demolish only removal of interior non-structural walls finishes and infrastructure back to building core. demolish only. no build-back or tenant
Valuation:
$195,000
Permit #:
2024-LOG-0011054
Status:
approved
Fee:
$651
Permit Type:
N/A
Building Type:
N/A
600 n grant st 5th/7th flrs- co education assoc - tenant finish business office tenant improvement project in an existing building
Valuation:
$1,374,493
Permit #:
2025-LOG-0006616
Status:
approved
Fee:
$3,377
Permit Type:
N/A
Building Type:
N/A
Expansion of existing suite into adjacent vacant suite expanding two perimeter offices and interior open work area; addition of one new perimeter office to match existing. finishes mechanical and electrical updated to accommodate expansion and new office
Valuation:
N/A
Permit #:
2024-COMMCON-0000351
Status:
final
Fee:
$416
Permit Type:
N/A
Building Type:
N/A
Non-structural tenant remodel/expansion on 17th floor and minor work on 15th floor and 16th floor
Valuation:
$909,160
Permit #:
2024-LOG-0001206
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant finish of existing suite: regarding the scope: • full removal of all interior non-load bearing walls ceiling systems lighting. portions of exterior storefront to be removed and replaced with new roll-up doors. existing dock door to be removed and replaced with new store front glass. • construction of new office/huddle/conference rooms in occupancy b area. open deck plan with tu... see more
Valuation:
$4,000,000
Permit #:
CEN-20-00338
Status:
complete
Fee:
$84,552
Permit Type:
N/A
Building Type:
N/A
Remodel of existing suite into spec suite. new finishes in elevator lobby. non-structural
Valuation:
$1,586,563
Permit #:
2025-LOG-0010511
Status:
approved
Fee:
$3,884
Permit Type:
N/A
Building Type:
N/A
Minor non-structural tenant remodel
Valuation:
$206,000
Permit #:
2025-LOG-0002987
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Demolition of concrete slab and installation of new slab to accommodate hydraulic dock lift and associated electrical and plumbing work
Valuation:
$100,000
Permit #:
CEN-25-00317
Status:
filed
Fee:
$3,215
Permit Type:
N/A
Building Type:
N/A
Existing suite to be modified to accommodate additional offices and larger open work areas. demolish to include selective removal of partitions and associated electrical and finishes per documents
Valuation:
$59,029
Permit #:
2023-LOG-0004227
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Conversion of three (3) large offices into six (6) small offices. note: all electrical and mechanical is relocate only. existing fixtures to be re-switched and power relocated
Valuation:
N/A
Permit #:
2025-COMMCON-0001795
Status:
final
Fee:
$882
Permit Type:
N/A
Building Type:
N/A
Demolition of existing built improvements including ceiling lights and finishes. restrooms to be remodeled to ada-compliant building standard restroom. new construction to include new grid and tile ceiling in half of the floor; new lighting
Valuation:
$427,020
Permit #:
2021-LOG-0010678
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Construction of three offices reduction of break room size
Valuation:
$100,000
Permit #:
BLDG25-00495
Status:
final
Fee:
$3,101
Permit Type:
Tenant finish or ...
Building Type:
N/A
The project is a tenant finish for a retail bakery. the previous tenant was an ice cream shop and this project will use much of the previous tenant's building out. new architectural work is minimal and mostly involves new equipment (walk-in cooler and freezer and a replacement sink for instance). the restrooms are code compliant as existing and much of the mechanical electrical and pl... see more
Valuation:
N/A
Permit #:
2023-COMMCON-0000406
Status:
final
Fee:
$300
Permit Type:
N/A
Building Type:
N/A
1225 n santa fe dr - the molecules effect-chg of occupancy -tenant finish coffee house and wine bar tenant finish on the first floor of a mixed used multifamily new-build in the art district on santa fe of denver colorado. additional common storage and restrooms for first floor tenant spaces included in scope of work
Valuation:
N/A
Permit #:
2023-COMMCON-0000184
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Existing suite to be modified to accommodate new entrances larger open work areas new break and new conference. demolition to include selective removal of partitions and associated electrical and finishes. new finishes to be provided throughout the scope of work
Valuation:
$155,328
Permit #:
2021-LOG-0004768
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Existing suite to be modified to accommodate additional offices and larger open work areas. demolish to include selective removal of partitions and associated electrical and finishes per documents
Valuation:
N/A
Permit #:
2023-COMMCON-0000803
Status:
final
Fee:
$412
Permit Type:
N/A
Building Type:
N/A
205 n detroit st #110 - new office new office suite with entry office conference open work area and coffee counter. mechanical ductwork electrical lighting and receptacles plumbing and new finishes throughout. office suite for property management
Valuation:
N/A
Permit #:
2023-COMMCON-0000404
Status:
final
Fee:
$665
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Interior Alterations Inc License info
Verified License
| License # | CL-001069-2019 |
| Status | Active |
| City | Centennial |
| Type | General |
| Class | General - Class B |
| Date Issued | 07-08-2026 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Interior Alterations Inc at the Centennial Community Development Contractor Licensing.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | Building Contractor Class B2 |
- BuildZoom verified this license was active as of July 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | General Contractor Class A |
- BuildZoom verified this license was active as of July 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Aurora |
| Type | Commercial Building Contractor |
- BuildZoom verified this license was active as of July 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 060430001 |
| Status | Active |
| City | Westminster |
| Type | General Contractor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Interior Alterations Inc at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | A00005 |
| Status | Active |
| City | Littleton |
| Type | Contractor |
| Date Issued | 03-04-2026 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Interior Alterations Inc at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | LCC2015004457 |
| Status | Active |
| City | Thornton |
| Type | Class B Building Contractor Expires 2027 01 07 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Interior Alterations Inc at the Thornton City Development Contractor License.
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 January, 2021. Check the current license status of Interior Alterations 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 # | A98500 |
| Status | Active |
| County | Douglas County |
| Type | General A |
- When BuildZoom last verified this license, it had an expiration date of July, 2026. Check the current license status of Interior Alterations Inc with the Douglas County Building Division
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 27291 |
| Status | Active |
| City | Thornton |
| Type | Class B Building |
- When BuildZoom last verified this license, it had an expiration date of June, 2016. Check the current license status of Interior Alterations Inc with the Thornton City Development Contractor License
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 25305 |
| Status | Active |
| City | Thornton |
| Type | Class B Building |
- When BuildZoom last verified this license, it had an expiration date of June, 2016. Check the current license status of Interior Alterations Inc with the Thornton City Development Contractor License
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CEN-13-00013 |
| Status | Active |
| City | Centennial |
| Type | General Contractor Class B |
- When BuildZoom last verified this license, it had an expiration date of June, 2016. Check the current license status of Interior Alterations Inc with the Centennial Community Development Contractor Licensing
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 23298 |
| Status | Active |
| City | Thornton |
| Type | Class B Building |
- When BuildZoom last verified this license, it had an expiration date of June, 2016. Check the current license status of Interior Alterations Inc with the Thornton City Development Contractor License
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC8892 |
| 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 Interior Alterations 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 # | LIC-0001898-GENCB |
| Status | Inactive |
| City | Boulder |
| Type | General |
| Class | Class B |
- According to the Boulder Licensing 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 Interior Alterations Inc at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | Jefferson County |
| Type | Class A Contractor (Unrestricted) |
| Class | Unrestricted |
- According to the Jefferson County Licensed Contractors, 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.
107
BuildZoom Score
481
Permits
- Building permit records show that Interior Alterations Inc has worked on 481 permitted projects.
Interior Alterations Inc Employees
AC
Albert Cappella
II
Interior Alterations Inc
Owner
II
Interior Alterations, Inc
Owner
RC
Richard A Cardone
Co Owner
RC
Richard Cardone
Owner