Updated: Jun 12, 2026
Location and Projects
Address
8450 Madrid Avenue, Baton Rouge, LA, 70814
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William Allen Constructors
Serving Baton Rouge, Louisiana, William Allen Constructors focuses on commercial construction and renovation projects. The company’s portfolio includes building out office spaces, retail suites, and medical facilities, as well as performing interior remodels for businesses throughout the Baton Rouge area. William Allen Constructors works with a range of commercial clients to deliver projects designed for functionality and efficiency, drawing from experience with both new construction and tenant improvements. The contractor is experienced in collaborating with other professionals, such as architects and engineers, to complete projects that meet specific client requirements. With six years in business, William Allen Constructors offers knowledge of local codes and regulatory requirements in Baton Rouge and surrounding communities.
William Allen Constructors Services
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William Allen Constructors Contact Information
Phone Number: (225) 315-6852
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Address: 8450 Madrid Avenue, Baton Rouge, LA 70814
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William Allen Constructors Baton Rouge
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
William Allen Constructors has a BuildZoom score of 99, which places them above 85% of 31,948 contractors in Louisiana.
Activity
|
2 projects
|
2025 |
|
3 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that William Allen Constructors has worked on at least
7.0 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 William Allen Constructors mostly works on
home addition
projects.
Pricing
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
4 projects
|
$100k-$250k |
The typical size of their permits is approximately $125,745. 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 William Allen Constructors
This is a sample of this contractor's permits. Click here to access their complete permit history.
The interior renovations to 860 s.f. of business office space. the renovations include replacement of floor ceiling doors and light fixtures. the existing egress corridors remain unchanged
Valuation:
$200,000
Permit #:
24-02-1104-BC
Status:
issued
Fee:
$2,041
Permit Type:
Commercial regist...
Building Type:
N/A
Demolition frame carpentry drywall trim carpentry acoustic ceiling commercial doors cabinetry floor covering painting
Valuation:
$193,101
Permit #:
25-08-5900-BCS
Status:
issued
Fee:
$1,666
Permit Type:
Commercial regist...
Building Type:
N/A
Paint flooring cabinets vanityelectrical (switches and receptacles)mechanical (new system)plumbing (relocate toilet addition shower)
Valuation:
$35,000
Permit #:
173000
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family dwelling used as a rental property
Valuation:
$149,490
Permit #:
159251
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building permit, electrical permit, mechanical permit, plumbing permit
2020-12-03
Setbacks: 30 front 25 sides 10 rear zoned c 1.2plans - see building #1 permit (2020-1187) plans reviewed 10/20/20site plan -complete utilities and sewer- pending fire marshall - n/a see letter confirming (see permit #2020-1187)
Valuation:
N/A
Permit #:
2020-1381
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential swimm...
Remodel/repair - tree damage-damage assessment -per contractor 80% of the gypsum board was removed - located in the ae flood zone
Valuation:
$76,963
Permit #:
127738
Status:
issued
Fee:
$137
Permit Type:
N/A
Building Type:
N/A
(expedited) residential addition
Valuation:
$102,000
Permit #:
153142
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building permit, electrical permit, mechanical permit, plumbing permit
2020-12-03
Setbacks: 30 front 10 sides 10 rearzoned c 1.2plans reviewed 10/20/20site plan -complete utilities and sewer- 9/28/21 jvhfire marshall - n/a see letter confirming
Valuation:
N/A
Permit #:
2020-1187
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential swimm...
Renovation
Valuation:
$81,960
Permit #:
162077
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Circuit each 120v, commercial remodel/addition, fixture (add to first), fixture air conditioning dra
2023-08-01
Remodel
Valuation:
N/A
Permit #:
7339
Status:
applied
Fee:
N/A
Permit Type:
Remodel
Building Type:
Single family dwe...
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BZ Score
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William Allen Constructors Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
William Allen Constructors License info
Verified License
| License # | NAT-F239943-1 |
| Status | Active |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for William Allen Constructors at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LBP-F239943-1 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Lead Abatement, 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 William Allen Constructors at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | 886676 |
| Status | Unable To Verify |
| State | Louisiana |
| Type | Building Construction, Residential Construction |
| Class | Residential License Certificate |
- 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 # | 70371 |
| Status | Unable To Verify |
| State | Louisiana |
| Type | Building Construction, Residential Construction |
| Class | Commercial License Certificate |
- 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.
99
BuildZoom Score
10
Permits
- Building permit records show that William Allen Constructors has worked on 10 permitted projects.
William Allen Constructors Employees
JJ
Joseph Allen Lane Jr.