

Costello & Mains, LLC Information
Summary
Costello & Mains, LLC is a private company. The company currently specializes in the Law Practice area. Its headquarters is located at Mount Laurel, New Jersey, USA. The Costello & Mains, LLC annual revenue is estimated at < 1M. To connect with Costello & Mains, LLC employee register on SignalHire.
Organization Website | costellomains.com |
Social Links | |
Phone Number | 856-291-0642 |
Industries | |
Headquarters Location | 18000 Horizon Way, Mt. Laurel, NJ, 08054 US |
Employees Size | 1-10 employees |
DMA Code | Delaware Valley |
Founded | 1991 |
Operating Status | Independent Company |
Estimated Website Traffic
The chart shows a decline in traffic to the costellomains.com website. In December, traffic decreased to 2, compared to 51 in the previous month. The highest traffic in 2025 was recorded in July, reaching 10000 visits.
Employees Turnover 1 quarter 2026
Length of Employment
Employee tenure at Costello & Mains, LLC shows a diverse range of experience levels:
6% have been with the company for less than 1 year11% for 1–2 years17% for 3–4 years17% for 5–7 years17% for 8–10 years33% have over 11 years of service at Costello & Mains, LLCCompanies Similar to Costello & Mains, LLC
FAQ
Data Privacy
GDPR COMPLIANT
SignalHire complies with the General Data Protection Regulation (GDPR). SignalHire follows GDPR requirements, including but not limited to rights of data subjects to access, correct, or delete their personal information and supports the right to be forgotten.
CCPA COMPLIANT
SignalHire is CCPA-compliant and provides California residents the right to know, access, opt out, and request deletion of their personal data.




