Protecting Families and Businesses Since 1989
Over 25 years of experience in real estate, estate planning, guardianships, probate, trusts, municipal law, and business & corporate law. Clarendon Hills, Illinois.
Practice Areas
Comprehensive legal services for families and businesses across DuPage County and the western suburbs.
Estate Planning & Trusts
Protect your family's future with wills, trusts, and comprehensive estate plans tailored to your specific needs and goals.
volunteer_activismReal Estate Law
Residential and commercial closings, title review, contract negotiation, and dispute resolution handled with precision.
Guardianships
Compassionate legal guidance when a loved one needs protection. We handle adult and minor guardianship proceedings.
Business & Corporate Law
Entity formation, contracts, governance, and succession planning for businesses of all sizes across Illinois.
35+
Years in Practice
5000+
Clients Served
Clarendon Hills' Trusted Legal Partners
Allan C. Alongi, Attorney
Founding attorney since 1989. Dedicated to providing the highest quality legal services with a focus on effective advocacy and integrity.
Referral Network
Strong relationships with title companies, real estate firms, CPAs, and financial professionals to deliver complete client services.
Clarendon Hills Office
Conveniently located at 3 Golf Avenue. Serving Clarendon Hills, Hinsdale, Westmont, Downers Grove, and Oak Brook families.
Built on Referrals Since 1989
Our valued clients refer family, friends, and associates — the highest compliment a law firm can receive.
"Allan has handled our family's estate planning and real estate closings for over 20 years. His attention to detail and integrity are unmatched."
Long-Time Client
Hinsdale, IL
"The Alongi firm helped us structure our business and plan for succession. They treat every client like family and always go above and beyond."
Business Owner
Downers Grove, IL
"Was referred by my CPA and now I understand why. Allan made the guardianship process manageable and kept us informed every step of the way."
Referred Client
Westmont, IL
Book Your Free Consultation
Pick a time that works. We'll call you to discuss your needs.
Or call us directly at 630-920-0300
Protect what you've built. Start today.
Schedule a free consultation. We'll review your situation and outline a clear path forward.