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Insights

Niche Market Focus Costello Sury & Rooney specializes in community association, real estate, landlord and tenant, and corporate law, positioning them to attract clients within local residential and commercial property management and business sectors.

Moderate Revenue Scale With an estimated revenue between 1 million and 10 million dollars, the firm offers growth opportunities through targeted services, possibly benefiting from expanding legal needs in its practice areas.

Technology Adoption Utilizing cloud-based solutions like Microsoft 365 and various web tools indicates a modern operational approach, providing opportunities to offer digital transformation or cybersecurity services to enhance their efficiency.

Competitive Positioning Operating in a competitive legal landscape, the firm can differentiate itself by emphasizing specialized expertise in community association and real estate law to attract local clients and small to mid-sized organizations.

Regional Expansion Potential Serving Illinois and Northwest Indiana gives the firm a strong regional presence with potential for expansion into adjacent markets or specialized legal services as client demand grows in those areas.

Costello Sury & Rooney, P.C. Tech Stack

Costello Sury & Rooney, P.C. uses 8 technology products and services including Cloudflare, Microsoft 365, Font Awesome, and more. Explore Costello Sury & Rooney, P.C.'s tech stack below.

  • Cloudflare
    Content Management System
  • Microsoft 365
    Email
  • Font Awesome
    Font Scripts
  • Google Fonts API
    Font Scripts
  • Punycode
    Font Scripts
  • jQuery Migrate
    Javascript Libraries
  • imagesLoaded
    Javascript Libraries
  • Slider Revolution
    Miscellaneous

Media & News

Costello Sury & Rooney, P.C.'s Email Address Formats

Costello Sury & Rooney, P.C. uses at least 3 format(s):
Costello Sury & Rooney, P.C. Email FormatsExamplePercentage
FLast@costellaw.comJDoe@costellaw.com
100%
First@keaycostello.comJohn@keaycostello.com
62%
FLast@keaycostello.comJDoe@keaycostello.com
30%
FirstL@keaycostello.comJohnD@keaycostello.com
8%

Frequently Asked Questions

Where is Costello Sury & Rooney, P.C.'s headquarters located?

Minus sign iconPlus sign iconCostello Sury & Rooney, P.C.'s main headquarters is located at 18w140 Butterfield Road 1670 Oakbrook Terrace, Illinois 60181 United States. The company has employees across 2 continents, including North AmericaEurope.

What is Costello Sury & Rooney, P.C.'s phone number?

Minus sign iconPlus sign icon You can contact Costello Sury & Rooney, P.C.'s main corporate office by phone at
+1-312-541-****
. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Costello Sury & Rooney, P.C.'s official website and social media links?

Minus sign iconPlus sign iconCostello Sury & Rooney, P.C.'s official website is csrlawfirm.com and has social profiles on LinkedIn.

What is Costello Sury & Rooney, P.C.'s SIC code NAICS code?

Minus sign iconPlus sign iconCostello Sury & Rooney, P.C.'s SIC code is 8111 - Legal Services NAICS code is 54111 - Offices of Lawyers.

How many employees does Costello Sury & Rooney, P.C. have currently?

Minus sign iconPlus sign iconAs of February 2026, Costello Sury & Rooney, P.C. has approximately 15 employees across 2 continents, including North AmericaEurope. Key team members include Managing Partner: D. C.Owner: J. C. E.Commercial Real Estate Attorney: R. S.. Explore Costello Sury & Rooney, P.C.'s employee directory with LeadIQ.

What industry does Costello Sury & Rooney, P.C. belong to?

Minus sign iconPlus sign iconCostello Sury & Rooney, P.C. operates in the Law Practice industry.

What technology does Costello Sury & Rooney, P.C. use?

Minus sign iconPlus sign iconCostello Sury & Rooney, P.C.'s tech stack includes CloudflareMicrosoft 365Font AwesomeGoogle Fonts APIPunycodejQuery MigrateimagesLoadedSlider Revolution.

What is Costello Sury & Rooney, P.C.'s email format?

Minus sign iconPlus sign iconCostello Sury & Rooney, P.C.'s email format typically follows the pattern of FLast@costellaw.com. Find more Costello Sury & Rooney, P.C. email formats with LeadIQ.

When was Costello Sury & Rooney, P.C. founded?

Minus sign iconPlus sign iconCostello Sury & Rooney, P.C. was founded in 1989.

Costello Sury & Rooney, P.C.

Law PracticeIllinois, United States11-50 Employees

Costello Sury & Rooney is an Oakbrook Terrace based law firm serving clients throughout Illinois and Northwest Indiana.  We provide legal services for individuals, businesses, community associations and other forms of business organizations in the following areas: 
•	Community Association Law 
•	Real Estates 
•	Landlord & Tenant Law 
•	Business & Corporate Law
•	Litigation

Section iconCompany Overview

Headquarters
18w140 Butterfield Road 1670 Oakbrook Terrace, Illinois 60181 United States
Phone number
+1-312-541-****
Website
csrlawfirm.com
SIC Code
8111 - Legal Services
NAICS Code
54111 - Offices of Lawyers
Founded
1989
Employees
11-50

Section iconMedia & News

Section iconFunding & Financials

  • $1M$10M

    Costello Sury & Rooney, P.C.'s revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $1M$10M

    Costello Sury & Rooney, P.C.'s revenue is estimated to be in the range of $1M$10M

Company Leadership

  • Stylized image of a person
    D. C.
    Managing Partner
    Phone icon
    Mobile Phone
  • Stylized image of a person
    J. C. E.
    Owner
    Phone icon
    Mobile Phone
  • Stylized image of a person
    R. S.
    Commercial Real Estate Attorney
    Phone icon
    Mobile Phone
  • Stylized image of a person
    J. B.
    Real Estate Litigation Attorney
    Phone icon
    Mobile Phone

Employee Directory

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