Updated: Jul 10, 2026
Location and Projects
Address
12280 w mississippi ave, Lakewood, CO, 80228
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A to Z Basements Construction
A to Z Basements, Inc. specializes in basement finishing and remodeling for homeowners throughout Lakewood, Colorado, and nearby communities. With 27 years in business, the company focuses exclusively on transforming unfinished or outdated basements into functional living spaces. Services include framing, insulation, drywall installation, electrical and plumbing work, custom carpentry, and flooring. Project examples range from entertainment rooms and guest suites to home gyms and offices, all tailored to client needs. A to Z Basements, Inc. manages projects from design through construction, emphasizing clear timelines and organized workflows. The company works primarily with residential clients and is experienced with a variety of property types and design preferences within Jefferson County and the greater Denver metro area.
A to Z Basements, Inc Services
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A to Z Basements, Inc Contact Information
Phone Number: (720) 629-6247
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Address: 12280 w mississippi ave, Lakewood, CO 80228
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A to Z Basements, Inc Lakewood
Quality
109
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
A to Z Basements, Inc has a BuildZoom score of 109, which places them above 95% of 55,949 contractors in Colorado.
Activity
|
9 projects
|
2025 |
|
6 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that A to Z Basements, Inc has worked on at least
17.0 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.
Pricing
|
11 projects
|
< $5k |
The typical size of their permits is approximately $2,500. 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.
A to Z Basements, Inc Reviews
5 out of 5 stars, based on
1
review
-
By Tracy V.May 17, 2023Egress windows
Building Permits by A to Z Basements, Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install two egress windows 30"x48 cutting vertical only on the back of the house and on north side of the house | 2"x8 pressure treated per irc and attached engineering. 0.25 u factor and 0.34 shgc factor jobsite contact: adam kenyon 9703885809
Valuation:
$2,500
Permit #:
B2505716
Status:
issued
Fee:
$185
Permit Type:
N/A
Building Type:
N/A
Installing egress window cutting vertical only 30x48
Valuation:
$2,500
Permit #:
RES-25-00553
Status:
complete
Fee:
$172
Permit Type:
N/A
Building Type:
N/A
Two egress windows cutting vertical only 30x48
Valuation:
$4,000
Permit #:
BRX2506-0272
Status:
issued
Fee:
$184
Permit Type:
Addition
Building Type:
N/A
30x48 egress window cutting vertical only
Valuation:
N/A
Permit #:
BLDG25-1177
Status:
issued
Fee:
$166
Permit Type:
Building
Building Type:
N/A
Installing two egress windows on the back of the house cutting vertical only units u - factor = 0.27
Valuation:
$2,500
Permit #:
24NGN-00882
Status:
issued
Fee:
$133
Permit Type:
N/A
Building Type:
N/A
One egress installation cutting vertical only on the south side of the house
Valuation:
$1,500
Permit #:
RONE-23-01506
Status:
complete
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
One egress install on a existing small window cutting vertical only
Valuation:
$1,500
Permit #:
RES-23-00248
Status:
expired
Fee:
$110
Permit Type:
N/A
Building Type:
N/A
One egress window 48 x 48 slider
Valuation:
$2,500
Permit #:
RES-24-01319
Status:
expired
Fee:
$172
Permit Type:
N/A
Building Type:
N/A
One egress window install on the south side cutting vertical on a existing small window
Valuation:
$3,500
Permit #:
22NGN-01105
Status:
complete
Fee:
$167
Permit Type:
N/A
Building Type:
N/A
One egress 30 x 48 cutting vertical on a existing small window front of the house
Valuation:
$1,500
Permit #:
RONE-21-03861
Status:
complete
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
Installation of a egress window 30"x48"cutting vertical only
Valuation:
$2,500
Permit #:
RES-24-00859
Status:
complete
Fee:
$172
Permit Type:
N/A
Building Type:
N/A
One egress window cutting at the bottom and 17 on the sizes
Valuation:
$2,500
Permit #:
RES-24-00546
Status:
complete
Fee:
$172
Permit Type:
N/A
Building Type:
N/A
30x48 egress window install. cutting vertical only
Valuation:
$1,900
Permit #:
BLD-2022-01093
Status:
expired
Fee:
$166
Permit Type:
N/A
Building Type:
N/A
Cutting vertical on both 30x48
Valuation:
$5,000
Permit #:
RES25-0981
Status:
issued
Fee:
$306
Permit Type:
Remodel
Building Type:
N/A
Buildingonline | install egress window by means of vertical cut only
Valuation:
$1,800
Permit #:
1535470
Status:
issued
Fee:
$89
Permit Type:
Residential misce...
Building Type:
N/A
One egress catting vertical only on a existing small window
Valuation:
$1,500
Permit #:
RONE-21-04248
Status:
complete
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
2 egress windows cutting vertical only
Valuation:
N/A
Permit #:
BLDG24-1494
Status:
final
Fee:
$253
Permit Type:
Building
Building Type:
N/A
Two egress windows
Valuation:
N/A
Permit #:
BLDG22-3101
Status:
final
Fee:
$175
Permit Type:
Building
Building Type:
N/A
3 egress windows new in basement
Valuation:
$1,500
Permit #:
RES-24-00402
Status:
expired
Fee:
$110
Permit Type:
N/A
Building Type:
N/A
Egress window
Valuation:
$1,500
Permit #:
BRX2208-0077
Status:
final
Fee:
$87
Permit Type:
Remodel
Building Type:
N/A
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BZ Score
$12.5K
Avg Project
-
Projects
179
BZ Score
$27.3K
Avg Project
-
Projects
166
BZ Score
$135K
Avg Project
-
Projects
Recent Buildzoom Projects
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Verified License
BuildZoom confirmed this contractor's license
A to Z Basements, Inc License info
Verified License
| License # | LCC202600120 |
| Status | Active |
| City | Thornton |
| Type | Class C Residential Contractor Expires 2027 03 02 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for A to Z Basements, Inc at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC6257 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for A to Z Basements, Inc at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Aurora |
| Type | Residential 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 # | 110831062 |
| Status | Active |
| City | Westminster |
| Type | General Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for A to Z Basements, Inc at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | C120540 |
| Status | Active |
| County | Douglas County |
| Type | General C |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for A to Z Basements, Inc at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CON-12-0247 |
| Status | Active |
| County | Boulder County |
| Type | One And Two Family Residential |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for A to Z Basements, Inc at the Boulder County Land Use Department.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 2B-1163 |
| Status | Active |
| City | Arvada |
| Type | Bid Contractor, Limited B |
- When BuildZoom last verified this license, it had an expiration date of May, 2016. Check the current license status of A to Z Basements, Inc with the The City of Arvada, Colorado
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CEN-13-06341 |
| Status | Active |
| City | Centennial |
| Type | General Contractor Class C |
- When BuildZoom last verified this license, it had an expiration date of May, 2016. Check the current license status of A to Z Basements, Inc with the Centennial Community Development Contractor Licensing
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 14-0633 |
| Status | Inactive |
| Town | Castle Rock |
| Type | Residential Contractor Class C |
- According to the Castle Rock Town, 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 A to Z Basements, Inc at the Castle Rock Town, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CL-25872 |
| Status | Inactive |
| City | Centennial |
| Type | General |
| Class | General - Class C |
- According to the Centennial Community Development Contractor Licensing, 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 A to Z Basements, Inc at the Centennial Community Development Contractor Licensing.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | GCB0376247 |
| Status | Inactive |
| City | Lafayette |
| Type | General Class B |
- According to the City of Lafayette, 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 A to Z Basements, Inc at the City of Lafayette.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | C00029 |
| Status | Inactive |
| City | Littleton |
| Type | Contractor |
| Date Issued | 05-24-2026 |
- 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 A to Z Basements, Inc at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | Jefferson County |
| Type | Class C Contractor (1 2 Family Dwellings) |
| Class | 1-2 Family Dwellings |
- 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.
Inactive License
| License # | D070057 |
| Status | Inactive |
| County | Douglas County |
| Type | General D |
- According to the Douglas County Building Division, 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 A to Z Basements, Inc at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LCC2015059119 |
| 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 A to Z Basements, Inc at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
109
BuildZoom Score
Insured
| Insurer | Manor Insurance |
184
Permits
- Building permit records show that A to Z Basements, Inc has worked on 184 permitted projects.
A to Z Basements, Inc Employees
AB
A To Z Basements
Owner
AN
Alejandro Nieto
Owner
AT
Alejandro Tadeo
Owner
AN
Alejandro Tadeo Nieto
Owner
AZ
Arnost Zeman
Owner
CS
Carl Sturm
Owner
A to Z Basements was very good to work with. They did an excellent job installing my egress windows. Alejandro and his crew were very professional and nice. They finished ahead of schedule! Also, they came out to add additional backfill due to earth settling due to the big rains we just experienced. I highly recommend this company!