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Costello Construction Employee Directory

ConstructionMaryland, United States51-200 Employees

Costello Construction has about 51 employees across 2 continents, most of them in North America. By country, the largest groups are United States Of America (93%), Ireland (4%) and Canada (2%). Civil Engineering & Construction and Accounting make up over half of the profiles with a known department. Costello Construction's workforce held steady between January 2026 and November 2026.

Find Costello Construction employees' phone numbers or email addresses

Costello Construction Global Highlights

Location
Employees

North America
43

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  • United States Of America
    42
  • Canada
    1

Europe
2

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  • Ireland
    2

North America accounts for 96% of Costello Construction's workforce, followed by Europe (4%).

Costello Construction's Leadership

  • President at Costello Construction
    W. C.
    President
    Mobile Phone
  • Independent Contractor at Costello Construction
    J. C.
    Independent Contractor
    Mobile Phone
  • Skilled Laborer at Costello Construction
    J. D.
    Skilled Laborer
    Mobile Phone
  • Construction Coordinator at Costello Construction
    M. C.
    Construction Coordinator
    Mobile Phone

Costello Construction Employee Metrics

100%
50%
0%
2026
2025
  • Civil Engineering & Construction
  • Accounting
  • Business
  • Other
  • Program & Project Management

Civil Engineering & Construction is the largest department at 50% of profiles with a known department, unchanged since January 2026, followed by Accounting (25%, unchanged) and Business (25%, unchanged).

Contact profiles from Costello Construction

Name
Title
Contact
Location
Last Update
  • President at Costello Construction
    W. C.
    President
    Mobile Phone
    Oct 18, 2024
  • Independent Contractor at Costello Construction
    J. C.
    Independent Contractor
    Mobile Phone
    Oct 24, 2026
  • Skilled Laborer at Costello Construction
    J. D.
    Skilled Laborer
    Mobile Phone
    Oct 27, 2026
  • Construction Coordinator at Costello Construction
    M. C.
    Construction Coordinator
    Mobile Phone
    Sep 10, 2026

Frequently Asked Questions

What are the largest departments at Costello Construction?

Minus sign iconPlus sign iconCivil Engineering & Construction is the largest department at 50% of profiles with a known department, unchanged since January 2026, followed by Accounting (25%, unchanged) and Business (25%, unchanged).

Where are Costello Construction's employees located?

Minus sign iconPlus sign iconCostello Construction has about 51 employees across 2 continents, most of them in North America. North America accounts for 96% of Costello Construction's workforce, followed by Europe (4%). By country, the largest groups are United States Of America (93%), Ireland (4%) and Canada (2%).

How has Costello Construction's workforce changed over the past year?

Minus sign iconPlus sign iconCostello Construction's workforce held steady between January 2026 and November 2026. Civil Engineering & Construction has stayed at 50% of profiles with a known department.

How many employees does Costello Construction have currently?

Minus sign iconPlus sign iconCostello Construction has approximately 51 employees as of November 2026. These team members are located across 2 continents, including North America and Europe.

Who are Costello Construction's key employees and leadership?

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As of November 2026, Costello Construction's key employees include:

  • President: W. C.
  • Independent Contractor: J. C.
  • Skilled Laborer: J. D.
  • Construction Coordinator: M. C.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

What is Costello Construction's most common email format?

Minus sign iconPlus sign iconCostello Construction employees' email format typically follows the pattern of FLast@costelloconstruction.com. Trying to find reliable and up-to-date employee contact data? Find more Costello Construction email formats with LeadIQ.

What is Costello Construction known for?

Minus sign iconPlus sign iconCostello Construction was founded in 1993 and operates in the Construction industry. You can contact Costello Construction's main corporate office by phone at
+1-410-740-****
. Explore Costello Construction's company overview page for more information.

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