Updated: May 06, 2026
Location and Projects
Address
550 East Union Street, West Chester, PA, 19382
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Alliance Environmental Sys Site Work Contractor
Alliance Environmental Sys Inc, 550 E Union St, West Chester, PA (Employees: Robert M. Casciato and Senya D Isayeff) holds a Non Resident Contractor license and 3 other licenses according to the New Castle County license board.
Their BuildZoom score of 100 ranks in the top 13% of 125,106 Pennsylvania licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Alliance Environmental Sys Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Alliance Environmental Sys Inc Contact Information
Phone Number: (610) 701-9000
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Address: 550 East Union Street, West Chester, PA 19382
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Alliance Environmental Sys Inc West Chester
Quality
100
87th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Alliance Environmental Sys Inc has a BuildZoom score of 100, which places them above 87% of 125,106 contractors in Pennsylvania.
Activity
|
2 projects
|
2024 |
Our building permit records indicate that Alliance Environmental Sys Inc has worked on at least
2.0 projects over the past 2 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
|
1 project
|
$50k-$100k |
|
1 project
|
$100k-$250k |
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 Alliance Environmental Sys Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
For the complete demolition of existing structures by mechanical equipment per approved plans. no disturbance allowed within the flood zone. pedestrian protection to be in place prior to start of work and to be maintained during all demolition activities. * a covered walkway or sidewalk closure shall be required in accordance with section 3306 of the ibc. separate building and/or stre... see more
Valuation:
$225,000
Permit #:
DP-2024-000199
Status:
issued
Fee:
N/A
Permit Type:
Minor demolition
Building Type:
N/A
For an additions and alterations to the existing vacant old sears building. scope of work includes a facade renovation and landlord improvements for new tenants space including a new vestibule modifications to the existing loading dock new egress stairs demising walls toilet rooms elevator and communicating stair as per plans. amendment (7/1/2021) new demising wall to split suite 114 ... see more
Valuation:
$3,693,000
Permit #:
CP-2020-005010
Status:
complete
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
For the complete demolition of a one (1) story existing detached structure. demolition to be done with mechanical equipment. all permitted demolition activity to be in accordance with site safety demolition plan and such plan to be maintained on site at all times in accordance with philadelphia administrative code. asbestos abatement required prior to start of work. any deviation will... see more
Valuation:
$52,000
Permit #:
DP-2024-000929
Status:
complete
Fee:
N/A
Permit Type:
Major demolition
Building Type:
N/A
Partial demolition of 1 story masonry structure. structural to be demolished by both hand and mechanical. pedestrian protection to be in place prior to start of work and to be maintained during all demolition activities. separate streets department approval required for sidewalk closure
Valuation:
$25,000
Permit #:
CP-2021-000691
Status:
complete
Fee:
N/A
Permit Type:
Addition and/or a...
Building Type:
N/A
Ez interior demolition- for the interior demolition on non-bearing partition wall and ceilings as per attached standard. deviations from these standards require submission of construction and site plans. department of streets is required for any sidewalk and street closures. all means of pedestrian protection required at the site in accordance with the philadelphia building code chapt... see more
Valuation:
$100,000
Permit #:
GM-2021-002429
Status:
complete
Fee:
N/A
Permit Type:
Ez interior non-l...
Building Type:
N/A
For the complete demolition of all structures on the same lot to create a fully vacant lot. (site plan not submitted)
Valuation:
N/A
Permit #:
ZP-2024-008666
Status:
issued
Fee:
N/A
Permit Type:
Full demolition
Building Type:
N/A
Complete demolition of one (1) story of detached garage building of masonry bearing wall & steel frame construction per approved demolition site safety plan via handheld & mechanical means including partial sitework for removal of exist. slab-on-grade/asphalt paving for future building construction. demolition work to be performed in accordance w all applicable provisions of the phila... see more
Valuation:
N/A
Permit #:
950728
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Complete demolition of four (4) one story masonry concrete & wood accessory pool buildings by mechanical methods. all permitted demolition activity to be in accordance with approved site safety demolition plan & such plan to be maintained on site at all times in accordance with philadelphia administrative code. no sidewalk closure required. any deviation will require an amended buildi... see more
Valuation:
N/A
Permit #:
796017
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior demolition as per plans submitted
Valuation:
$1,440,000
Permit #:
BLDG018970
Status:
issued
Fee:
$36,031
Permit Type:
N/A
Building Type:
N/A
Ez interior demolition- for the interior demolition of non load-bearing partition walls and ceilings as per attached standard. deviations from this standard will result in permit revocation and require submission of construction plans
Valuation:
N/A
Permit #:
823946
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
For the complete demolition of an existing building on site (one (1)- one (1) story building portion) as shown per approved plans and submitted documentation. work must comply with code bulletin b-1032.if field conditions vary contact structural engineer prior to the start of any work. safety plan must be on site at all times
Valuation:
N/A
Permit #:
524312
Status:
COMPLETED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
For the complete demolition of four (4) existing detached accessory structures. size and location as shown in application. **see a/p 796017 for plans**
Valuation:
N/A
Permit #:
796014
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Make safe permit - remove debris from collapsed retaining wall to comply case #578895. no other work on this permit. *permit received from downstairs 7/17/17*
Valuation:
N/A
Permit #:
800504
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Selective demolition/upgrade building and passageways into new additionnew science building 1650 palm st
Valuation:
$261,240
Permit #:
21783
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Other
Perform selective interior demolition of ceilings walls and flooring
Valuation:
N/A
Permit #:
515671
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior demolition of non bearing partitions on fire rated assemblies to be disturbed
Valuation:
N/A
Permit #:
168125
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior demolish of non load bearing partitions and plaster throughout
Valuation:
N/A
Permit #:
178475
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior demolish to retail store
Valuation:
N/A
Permit #:
328579
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove concrete floor slab located on 1st floor
Valuation:
N/A
Permit #:
168327
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior demolition building #2 - 3rd floor
Valuation:
$58,000
Permit #:
BLDG013854
Status:
issued
Fee:
$1,479
Permit Type:
N/A
Building Type:
N/A
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Alliance Environmental Sys Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Alliance Environmental Sys Inc License info
Verified License
| HIC # | 1995110562 |
| Status | Active |
| State | New Castle County |
| Type | Non Resident Contractor |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Alliance Environmental Sys Inc at the State of Delaware Department of Finance: Division of Revenue.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| HIC # | PA059891 |
| Status | Inactive |
| State | Pennsylvania |
- According to the Pennsylvania Office of the Attorney General, 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 Alliance Environmental Sys Inc at the Pennsylvania Office of the Attorney General.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| HIC # | 47401 |
| Status | Inactive |
| City | Philadelphia |
| Type | Demolition |
- According to the City of Philadelphia 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.
Check this license's status for Alliance Environmental Sys Inc at the City of Philadelphia Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| HIC # | 21618 |
| Status | Inactive |
| City | Philadelphia |
| Type | Contractor |
- According to the City of Philadelphia 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.
Check this license's status for Alliance Environmental Sys Inc at the City of Philadelphia Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
Insured
| Insurer | Nautilus Insurance Company |
| Insured up to | $100,000 |
21
Permits
- Building permit records show that Alliance Environmental Sys Inc has worked on 21 permitted projects.
Alliance Environmental Sys Inc Employees
RC
Robert M. Casciato
President
SI
Senya D Isayeff
Vice President