Updated: Mar 20, 2026
Location and Projects
Address
5500 Military Trail, Jupiter, FL, 33458
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Coast Seawall Dock & Boatlifts, Inc Photos
Coast Seawall Dock & Boatlifts Construction
Whether you need a seawall, dock, boat lift, rock revetment (rip-rap), or a retaining wall, Coast Seawall Dock & Boatlifts is here to meet all your needs. Serving customers since 1979, Mike Duncan (owner/contractor) has the knowledge, experience, and expertise needed to tackle any marine construction project.
Coast Seawall Dock & Boatlifts will answer questions and guide you step-by-step through your waterfront project, from permitting to the finished product. You can trust that we are committed to using the highest quality materials available, at the best possible value. We have high standards and brand integrity. We use time-tested, proven processes, and settle for nothing less than impeccability. Above all, we recognize that it is a privilege to assist you in making your marine construction dreams a reality.
From BuildZoom: Coast Seawall Dock & Boatlifts, Inc, 5500 Military Trl, Jupiter, FL (Employees: Coggin Duncan, Eli Mathews, and Heidi Duncan) holds a Palm Beach County - Marine Construction license according to the Florida license board.
Their BuildZoom score of 120 ranks in the top 1% of 191,428 Florida licensed contractors.
BuildZoom has not yet reviewed this license for verification. If you are thinking of hiring Coast Seawall Dock & Boatlifts, Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Coast Seawall Dock & Boatlifts, Inc Contact Information
Phone Number: (561) 400-4328
Address: 5500 Military Trail, Jupiter, FL 33458
Coast Seawall Dock & Boatlifts, Inc Jupiter
Quality
120
99th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Coast Seawall Dock & Boatlifts, Inc has a BuildZoom score of 120, which places them above 99% of 191,428 contractors in Florida.
Activity
|
30 projects
|
2025 |
|
27 projects
|
2024 |
|
27 projects
|
2023 |
Our building permit records indicate that Coast Seawall Dock & Boatlifts, Inc has worked on at least
84.0 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
|
30 projects
|
New Constructions |
Analyzing permits over the last 4 years shows that Coast Seawall Dock & Boatlifts, Inc mostly works on
new construction
projects.
Pricing
|
17 projects
|
$5k-$20k |
|
25 projects
|
$20k-$50k |
|
18 projects
|
$50k-$100k |
|
1 project
|
$100k-$250k |
The typical size of their permits is approximately $27,010. 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.
Coast Seawall Dock & Boatlifts, Inc Reviews
5 out of 5 stars, based on
1
review
-
By Jim M.April 24, 2023
Building Permits by Coast Seawall Dock & Boatlifts, Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Raise existing retaining wall stipulations: **permit to raise the existing retaining wall only. any other work requires a separate permit** **final survey required before final inspection**
Valuation:
$15,780
Permit #:
PB24-0045
Status:
suspended
Fee:
$396
Permit Type:
N/A
Building Type:
N/A
Install upland retaining wall **need application w owner notarized signature or
Valuation:
$24,740
Permit #:
23060126
Status:
complete
Fee:
$734
Permit Type:
N/A
Building Type:
N/A
Install new dock and boat lifts
Valuation:
$107,314
Permit #:
BLD2025030979
Status:
awaiting resubmittals
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install a new seawall within 18 of the existing seawall. current seawall is failing and must be replaced immediately. fdep and corp of engineers approvals are processing but meet all exemption criteria
Valuation:
$148,550
Permit #:
BLD2021060084
Status:
complete
Fee:
$494
Permit Type:
N/A
Building Type:
N/A
Install new seawall
Valuation:
$114,986
Permit #:
BLD2025030981
Status:
issued
Fee:
$869
Permit Type:
N/A
Building Type:
N/A
Construct new seawall in front of existing seawall
Valuation:
$57,110
Permit #:
25021100-RES-BLDG
Status:
complete
Fee:
$1,573
Permit Type:
N/A
Building Type:
N/A
Construct new dock and install new boat lift
Valuation:
$59,820
Permit #:
BLD2025011393
Status:
complete
Fee:
$452
Permit Type:
N/A
Building Type:
N/A
Construct new dock (4 x 15 walkway and 5 x 32 terminal platform) install two new boatlifts
Valuation:
$60,550
Permit #:
BLD2022111136
Status:
complete
Fee:
$245
Permit Type:
N/A
Building Type:
N/A
Construct new seawall
Valuation:
$57,110
Permit #:
25021101-RES-BLDG
Status:
complete
Fee:
$1,573
Permit Type:
N/A
Building Type:
N/A
Install new boat lift in existing location
Valuation:
$22,990
Permit #:
BLD2025011397
Status:
complete
Fee:
$117
Permit Type:
N/A
Building Type:
N/A
Construct new dock with 4 x 86 boardwalk 4 x 57 walkway and 4 x 37 terminal platform
Valuation:
$93,420
Permit #:
BLD2024080629
Status:
complete
Fee:
$707
Permit Type:
N/A
Building Type:
N/A
Construct new seawall directly in front of old wall (approximately 100 linear feet)
Valuation:
$76,520
Permit #:
BLD2024090792
Status:
complete
Fee:
$579
Permit Type:
N/A
Building Type:
N/A
Install 6 x 40 marginal dock and new boat lift
Valuation:
$45,680
Permit #:
PB24-0089
Status:
suspended
Fee:
$1,002
Permit Type:
N/A
Building Type:
N/A
Install 30, 000lb boatlift in existing slip #b-18 electrical installation of boat lift as per master permit no. 20241129
Valuation:
N/A
Permit #:
20241129
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new 20, 000lb boatlift in existing boat slip a-16 electrical installation of boat lift as per master permit
Valuation:
N/A
Permit #:
20241284
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove and rebuild the existing dock and boatlifts in the same footprint. dock is being rebuilt in place so it is exempt from army corps permitting
Valuation:
$67,790
Permit #:
BLD2021030005
Status:
complete
Fee:
$162
Permit Type:
N/A
Building Type:
N/A
Re-deck existing dock and secure existing pilings with concrete reinforcements
Valuation:
$34,050
Permit #:
BLD2022080937
Status:
complete
Fee:
$129
Permit Type:
N/A
Building Type:
N/A
Install 15, 000lb elevator lift. note: home property is in unincorporated pbc but canal is in toj
Valuation:
$33,655
Permit #:
24-079388-MARS
Status:
final
Fee:
$690
Permit Type:
N/A
Building Type:
N/A
Construct new upland deck and dock install new boat lift
Valuation:
$73,800
Permit #:
BLD2023060667
Status:
complete
Fee:
$258
Permit Type:
N/A
Building Type:
N/A
Install new boat lift
Valuation:
$19,780
Permit #:
BLD2025030131
Status:
complete
Fee:
$114
Permit Type:
N/A
Building Type:
N/A
Coast Seawall Dock & Boatlifts, Inc License info
License Not Verified
| License # | U-21680 |
| Status | Active |
| Type | Palm Beach County - Marine Construction |
| Class | Marine Construction |
| Date Issued | 09-30-2025 |
| Business Type | Corporation |
- BuildZoom has not yet reviewed this license for verification.
This is a sample of licensing data; click here to access a complete history.
120
BuildZoom Score
Insured
| Insurer | ISU Coast to Coast Insurance |
| Insured up to | $1,000,000 |
Insured
| Workers Comp Provider | ISU Coast to Coast Insurance |
| Workers Comp Value | $1,000,000 |
260
Permits
- Building permit records show that Coast Seawall Dock & Boatlifts, Inc has worked on 260 permitted projects.
Coast Seawall Dock & Boatlifts, Inc Employees
CD
Coggin Duncan
Owner/Project Manager
EM
Eli Mathews
Project Manager
HD
Heidi Duncan
Office Manager/Permit Tech
MD
Mike Duncan
Owner/President
NM
Noah Mathews
Director Of Business Development
The Coast Seawall crew is extremely knowledgeable and helpful in planning our waterfront project. They were able to get a permit for my dock and boatlift where others were not able to. I highly recommend them for your projects.