Updated: Jul 07, 2026
Location and Projects
Address
6090 MARKHAM RD SANFORD, FL 32771, Sanford, FL, 32771
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William Corso and Associates Construction
Serving clients in Sanford, Florida, William Corso and Associates Inc offers over four decades of experience in architecture and related project services. The company specializes in designing commercial buildings, educational institutions, municipal facilities, and residential properties. Projects in their portfolio include libraries, public safety facilities, schools, and churches. William Corso and Associates provides architectural design, planning, and project management for both public and private sector clients throughout Central Florida. Their approach encompasses site analysis, design development, construction documents, and coordination with engineers and consultants as needed for each project. The firm addresses a broad range of property types, ensuring code compliance and tailored solutions for each client’s requirements.
William Corso and Associates Inc Services
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William Corso and Associates Inc Contact Information
Phone Number: (407) 688-6744
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Address: 6090 MARKHAM RD SANFORD, FL 32771, Sanford, FL 32771
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William Corso and Associates Inc Sanford
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
William Corso and Associates Inc has a BuildZoom score of 106, which places them above 93% of 191,428 contractors in Florida.
Activity
|
6 projects
|
2025 |
|
8 projects
|
2024 |
|
6 projects
|
2023 |
Our building permit records indicate that William Corso and Associates Inc has worked on at least
20.0 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
|
Commercial Renovations |
|
3 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that William Corso and Associates Inc mostly works on
home addition
and commercial renovation
projects.
Pricing
|
4 projects
|
< $5k |
|
2 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
5 projects
|
$100k-$250k |
|
1 project
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
The typical size of their permits is approximately $115,000. 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 William Corso and Associates Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Pexp-remove and replace existing bathroom with new fixtures/ada compliant. replace old electrical panel and wiring with new panel. replace old plumbing with new including tankless water heater remove and replace all drywall. remove and replace old hvac with new system. app recv'd 6/14/23
Valuation:
$20,000
Permit #:
BLD2023-16734
Status:
final
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
App rcvd 6/13/2023 pexp interior alterations for pastry bakery zoning ac-2/w
Valuation:
$500,000
Permit #:
BLD2023-16649
Status:
final
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
No Description Available
Valuation:
$150,000
Permit #:
BLD2025-13338
Status:
issued
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Site development permit for multi-tenant permit shell units 101;103;105;107;109;111;113. electric; plumbing; svc work sidewalk dumpster pad enclosure revision 1 -revised to remove the following: natural gas to units installation of secondary electric feeds and new service to 6 interior space (on permit elec-0002-2024) and exclude generator on roof for future use
Valuation:
$300,000
Permit #:
BLDC-00070-2024
Status:
complete
Fee:
$5,313
Permit Type:
N/A
Building Type:
N/A
Single family home residential alteration. this scope of work invovles interior-only demolition of non-structural elements. in order to complete the engineering for the house renovations alteration certain elements need to be removed to reveal overhead structural elements and support systems behind drywall covered walls. this scope of work focuses on removal of a drywall ceiling syste... see more
Valuation:
$225,000
Permit #:
BLD2023-23958
Status:
final
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Change letter received: (3) fryer 120 000 e/a. (1) fryer for future use.) total btus: 360 000 charboiler: 66 000 btus griddle: 60 000 btus. convention oven: 54 000 btus. deliver pressure 2 lbs. # of gas outlets 8. total btus 930 000. 11-01-22 br gas install for stove fryer char boiler convection oven griddle and water heater
Valuation:
N/A
Permit #:
X22001369
Status:
complete
Fee:
$74
Permit Type:
Commercial
Building Type:
Alteration
Commercial permit peach valley cafe restaurant-p20-011749 shell building
Valuation:
$550,000
Permit #:
P23-007718
Status:
final
Fee:
$24,127
Permit Type:
N/A
Building Type:
N/A
*application received on 2/16/23 via email* pexp - interior alterations plumbing electric and hvac. zoning: ac-3a/t hp
Valuation:
$50,000
Permit #:
BLD2023-12041
Status:
final
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Plumbing: there are plumbing stub-ups centrally located in the slab. plumbing changes are proposed to account for the (2) new restrooms and breakroom kitchen fixtures. a refrigerator and a kitchen sink will be added to serve the kitchen functions. the new fixtures in the restrooms will consist of 1 toilet and 1 sink per restroom. a water heater will be added along with an accessible h... see more
Valuation:
N/A
Permit #:
P21007250
Status:
complete
Fee:
$121
Permit Type:
Commercial
Building Type:
Alteration
Verified change letter to amend permit to reselect second ceiling mounted rest room exhaust fan shown on permit plans. there is no price difference in job the $1 200. reflected (2) exhaust fans. 11-3-21 br install a 14seer package unit inculding duct work job valuation $13300.00
Valuation:
N/A
Permit #:
H21006986
Status:
complete
Fee:
$194
Permit Type:
Commercial
Building Type:
Alteration
Install 5 new rooftop package units 5 curbs and new duct. this permit is for the structural work associated with the mechanical work. see provided plans z: ig
Valuation:
$10,000
Permit #:
BLD2022-13953
Status:
final
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Install 5 new rooftop package units 5 curbs and new duct. this permit is for the structural work associated with the mechanical work. see provided plans z: ig
Valuation:
$10,000
Permit #:
BLD2022-13953
Status:
final
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Instal new lights and addition plugs for kilns and general purpose outlets
Valuation:
N/A
Permit #:
E24014123
Status:
complete
Fee:
$104
Permit Type:
Commercial
Building Type:
Alteration
*application received on 8/23/24 via email* pexp - interior demolish work per plan by level up architectural ac-3a/t/hp dt cra
Valuation:
$2,300
Permit #:
BLD2024-18229
Status:
final
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Building #1 - 2 warehouse buildings w small individual units. site work: parking underground utilities ***route to addressing (2 different parcels)*** zoning:i-g noc exp 1/18/2020
Valuation:
$1,500,000
Permit #:
BLD2018-23009
Status:
final
Fee:
N/A
Permit Type:
New
Building Type:
N/A
Interior alteration. no change of use units 101 & 103
Valuation:
$140,000
Permit #:
BLDC-00258-2023
Status:
complete
Fee:
$2,682
Permit Type:
N/A
Building Type:
N/A
Existing restaurant interior remodel relocate bar relocate waitress station remodel existing kitchen new cooking and preparation equipment and work tables.rearrange dish was station addition new hvac units to existing system existing kitchen hood to remain and be checked and balanced. existing rest rooms to remain no change plans indicate changes to:seating egress plumbing electrical
Valuation:
$300,000
Permit #:
P17-004873
Status:
final
Fee:
$3,580
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$190,000
Permit #:
22-1451/000 000 GP 00
Status:
issued
Fee:
$80
Permit Type:
Additions alterat...
Building Type:
Commercial centra...
Addition 2 restroom and connect them to the existing line and kitchen drain on grease lines. total fixture: 2-wc 2-lav 5-flor drain 1-dw 4-hub drain 2-floor sink(s) 4-hand sink(s) 1-3 comparable sink 1-mopsink. 2-tankless heater
Valuation:
N/A
Permit #:
P20005957
Status:
complete
Fee:
$231
Permit Type:
Commercial
Building Type:
New construction
*application received on 9/15/20 via email* unit c - addition of back door and window. re-configure sidewalk for ada ramp. addition of exit and em lights. zoning: mu-2/t
Valuation:
N/A
Permit #:
ENG2020-12766
Status:
final
Fee:
N/A
Permit Type:
Other
Building Type:
N/A
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William Corso and Associates Inc License info
License Not Verified
| License # | CBC015288 |
| Status | Active |
| City | Clermont |
| Type | Contractor |
- When BuildZoom last verified this license, it had an expiration date of August, 2022. Check the current license status of William Corso and Associates Inc with the The City of Clermont, FL
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CBC015288 |
| Status | Active |
| City | Ocala |
| Type | Certified Contractor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for William Corso and Associates Inc at the The City of Ocala, Florida.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CBC015288 |
| Status | Active |
| County | Orange County |
| Type | B Building Class B |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for William Corso and Associates Inc at the Orange County Public Schools.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CBC015288 |
| Status | Active |
| State | Florida |
| Type | Certified Building Contractor |
- BuildZoom has not verified this license since July, 2025.
Verify this license's status for William Corso and Associates Inc at the Florida Department of Business & Professional Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CBC015288 |
| Status | Inactive |
| City | Daytona Beach |
| Type | Contractor |
- According to the The City of Daytona Beach, FL, 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 Corso and Associates Inc at the The City of Daytona Beach, FL.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| State | Florida |
| Type | Construction Business Information |
- According to the Florida Department of Business & Professional Regulation, 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 # | 0015288 |
| Status | Inactive |
| State | Florida |
| Type | Certified Building Contractor |
- According to the Florida Department of Business & Professional Regulation, 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 Corso and Associates Inc at the Florida Department of Business & Professional Regulation.
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
Insured
| Insurer | Evanston Insuranco Co |
Insured
| Workers Comp Provider | State |
335
Permits
- Building permit records show that William Corso and Associates Inc has worked on 335 permitted projects.
William Corso and Associates Inc Employees
CT
Corso William Thomas
Owner
CT
Corso, William Thomas
WC
William Thomas Corso
Owner