Updated: Jun 09, 2026
Location and Projects
Address
1001 SE 12th Ct, Cape Coral, FL, 33990
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DSI Marine Photos
DSI Marine Construction
DSI Marine Construction is a family owned and operated business that has constructed many of the finest and most complex outdoor structures in South West Florida over the years. With offices in Fort Myers & Marco Island, we are able to efficiently cover the needs of SW Florida.
We realize our reputation rests with our ability to deliver projects on time, on budget, and exceed customer expectations.
Our friendly employees always place the customer first, and you can always depend upon a hands-on approach from our owner. We perform both commercial and residential work and no project is too large… or too small.
DSI Marine Construction is a leading residential, commercial, and resort marine contractor with hundreds of dock and seawall projects to our credit.
From BuildZoom: DSI Marine, 1001 SE 12th Ct, Cape Coral, FL (Employee: Stephan, William J) holds a Certified General Class license and 5 other licenses according to the Highlands County license board.
Their BuildZoom score of 108 ranks in the top 5% of 191,428 Florida licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring DSI Marine, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
DSI Marine Services
Start a project today:
Custom Home Build
New Home Construction
Medium Multi-Family New Con...
Other Residential New Const...
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Medium Multi-Family Remodel...
Other Residential Remodel
Office Renovation
Restaurant Renovation
Retail Renovation
Other Commercial Renovation
Roofing
Boiler/Water Heater
Fire Sprinkler Systems
Gas and Piping
Electrical Work
Solar Installation
Hardwood Flooring
Carpets
Laminate Flooring
Other Flooring
Siding
Stucco and Exterior Plastering
Other Exteriors
HVAC
Painting
Decks and Porches
Doors and Windows
Framing
Wood Fences
Other Carpentry
Backsplash and Countertops
DSI Marine Contact Information
Phone Number: (239) 204-3010
Address: 1001 SE 12th Ct, Cape Coral, FL 33990
DSI Marine Cape Coral
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
DSI Marine has a BuildZoom score of 108, which places them above 95% of 191,428 contractors in Florida.
Activity
|
45 projects
|
2025 |
|
2 projects
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that DSI Marine has worked on at least
50.0 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
|
21 projects
|
Fences |
|
3 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that DSI Marine mostly works on
fences
and home addition
projects.
Pricing
|
21 projects
|
< $5k |
|
5 projects
|
$5k-$20k |
|
13 projects
|
$20k-$50k |
|
11 projects
|
$50k-$100k |
|
1 project
|
$100k-$250k |
The typical size of their permits is approximately $13,750. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Noc - install 80ft vinyl seawall replace 80ft concrete seawall cap install 80ft french drain
Valuation:
$58,000
Permit #:
SEAW-25-04198
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Noc - install new 51ft vinyl seawall 51ft concrete cap and 2x2x51ft french drain
Valuation:
$48,000
Permit #:
SEAW-25-03435
Status:
complete
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Noc - demolish existing lift and dock install new 570 sf dock and used lift
Valuation:
$48,000
Permit #:
DOCK-25-03823
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Noc - demolish and rebuild 476 sf dock. addition used 10 000lb capacity boat lift and used jet ski swivel lift
Valuation:
$30,000
Permit #:
DOCK-25-05136
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Noc - demolish existing dock rebuild new dock in exact footprint. existing boat lift to remain
Valuation:
$36,000
Permit #:
DOCK-25-04941
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Noc - new 80ft vinyl seawall 80ft concrete cap 80ft french drain
Valuation:
$60,000
Permit #:
SEAW-25-05023
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Noc - install new 50ft vinyl seawall 50ft new seawall cap 50ft new french drain
Valuation:
$34,000
Permit #:
SEAW-25-05021
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Not for pool - new fence
Valuation:
$2,450
Permit #:
BLDA25-005460
Status:
complete
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Not for pool - new fence
Valuation:
$2,250
Permit #:
BLDA25-005449
Status:
complete
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Repairing broken dock. code case# cemis20230011106 2298 anchorage ln wet slip from 1 - 13
Valuation:
N/A
Permit #:
PRMAR20231252443
Status:
final
Fee:
N/A
Permit Type:
Alteration/remodel
Building Type:
Utility miscellan...
Noc - replace kitchen cabinets install new island flooring
Valuation:
$70,000
Permit #:
SF-22-02072
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
To construct 200 sq ft wood dock and boat lift (7k)
Valuation:
$22,500
Permit #:
BLDM25-001087
Status:
applied
Fee:
$20
Permit Type:
N/A
Building Type:
N/A
New fence
Valuation:
$2,250
Permit #:
FNC2025-01984
Status:
complete
Fee:
$80
Permit Type:
Fence
Building Type:
N/A
New dock with 16000lb used boat lift
Valuation:
$40,000
Permit #:
BLDM25-000984
Status:
issued
Fee:
$260
Permit Type:
N/A
Building Type:
N/A
Replace damaged dock to existing footprint. slips 1 thru 6
Valuation:
$70,000
Permit #:
233953
Status:
fire fees to be paid
Fee:
$333
Permit Type:
Dock
Building Type:
N/A
Noc - remove existing loading deck and replace with 30x4 wood loading deck in same location
Valuation:
$21,200
Permit #:
SITE-25-06499
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Noc demolish and rebuild new dock in same footprint
Valuation:
$14,500
Permit #:
DOCK-25-05149
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Noc - new dock with 2 used boat lifts rev 1 - adjust dock dimensions 56'x24 instead of 60'x20. no square footage added or taken away
Valuation:
$40,000
Permit #:
DOCK-25-04938
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Restoration of dock
Valuation:
$25,920
Permit #:
232301
Status:
final
Fee:
$573
Permit Type:
Boathouse and dock
Building Type:
N/A
Sidewalk construction permit|building line and grade survey
Valuation:
N/A
Permit #:
BD17-018286-001-PW001
Status:
final
Fee:
N/A
Permit Type:
New construction
Building Type:
N/A
DSI Marine Reviews
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Verified License
BuildZoom confirmed this contractor's license
DSI Marine License info
License Not Verified
| License # | HC03942 |
| Status | Active |
| County | Highlands County |
| Type | Certified General Class |
- When BuildZoom last verified this license, it had an expiration date of September, 2018. Check the current license status of DSI Marine with the Highlands County Board of County Commissioners
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CGC1528799 |
| Status | Active |
| State | Florida |
| Type | Certified General Contractor |
- BuildZoom verified this license was active as of July 2025.
Verify this license's status for DSI Marine at the Florida Department of Business & Professional Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| State | Florida |
| Type | Construction Business Information |
- When BuildZoom last verified this license, it had an expiration date of December, 2025. Check the current license status of DSI Marine with the Florida Department of Business & Professional Regulation
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CGC1511928 |
| Status | Inactive |
| County | Orange County |
| Type | B General Class A |
- According to the Orange County Public Schools, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for DSI Marine at the Orange County Public Schools.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 12328 |
| Status | Inactive |
| Town | Miami Lakes |
| Type | Contractor |
- According to the The Town of Miami Lakes, FL, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for DSI Marine at the The Town of Miami Lakes, FL.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 0050172 |
| 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.
Check this license's status for DSI Marine at the Florida Department of Business & Professional Regulation.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
Insured
| Insurer | Cna Insurance |
Insured
| Workers Comp Provider | Lions Ins Co |
158
Permits
- Building permit records show that DSI Marine has worked on 158 permitted projects.
DSI Marine Employees
SJ
Stephan, William J