★★★★★
Excellence and professionalism. Mr. Sirianni was by far the smartest decision I made in a great time of need. He went above and beyond for my family and helped when we needed it the most. I can never be grateful enough.
LARRY A.
Google Review
Admitted to NY Bar 1999 · Nassau & Suffolk County
Long Island Attorney for Foreclosure Defense, Real Estate, Landlord–Tenant & Firearms Law
27 Years Defending Long Island Homeowners and Families
Client Reviews
What Long Island Clients Say
★★★★★
Reviews from Google · 5.0 average rating · 38 verified reviews
View all on Google →Who I Help
Long Island clients I represent
Long Island homeowners facing foreclosure in Nassau or Suffolk County Supreme Court have specific statutory defenses under RPAPL § 1304 and CPLR § 3408 that must be raised within strict deadlines. I help homeowners stop foreclosure sales, challenge lender standing, and negotiate loan modifications.
Learn about Foreclosure Defense →Buyers and sellers closing on Long Island real estate need an attorney who handles contract review, title issues, and closing logistics from start to finish. I represent clients across Nassau and Suffolk County in residential and commercial transactions.
Learn about Real Estate Law →Landlords pursuing evictions and tenants defending against them in Nassau and Suffolk County District Courts face strict procedural requirements under RPAPL Article 7. I represent both sides in holdover, nonpayment, and lease enforcement matters.
Learn about Landlord–Tenant Law →New York pistol permit applicants and holders facing denials, suspensions, or revocations have constitutional and procedural rights that require experienced counsel. I represent clients in Nassau and Suffolk County licensing matters and Second Amendment defense.
Learn about Firearms Law →Frequently Asked Questions
Long Island legal questions, answered
Who is Thomas A. Sirianni?
Thomas A. Sirianni, Esq. is a Long Island attorney admitted to the New York State Bar in 1999 after earning his Juris Doctor from Touro Law Center in 1998. He has practiced continuously for 27 years across Nassau and Suffolk County, focusing on foreclosure defense, real estate, landlord-tenant, and firearms law. Clients work directly with Tom from first call through resolution.
What areas of Long Island does Thomas Sirianni serve?
The firm serves clients throughout Nassau County and Suffolk County, New York, including Brookville, Massapequa, Huntington, Garden City, Hempstead, Babylon, Smithtown, and the surrounding Long Island communities. The office is located at 1 Pine Valley Road, Brookville, NY 11747. Court appearances cover all New York State trial and appellate courts on Long Island.
Does Thomas Sirianni offer free consultations?
Yes. Initial case consultations are free and confidential. You can reach Tom directly at (516) 314-1343, seven days a week from 6:00 AM to 8:00 PM. Tom answers his own phone — there is no intake service or paralegal screening.
How long has Thomas A. Sirianni been practicing law?
Thomas A. Sirianni was admitted to the New York State Bar in 1999 and has practiced for 27 years as of 2026. His entire career has been spent representing Long Island clients in Nassau and Suffolk County.
Do I need a real estate attorney to close on a house in New York?
Yes. New York is one of a small number of states that requires an attorney to represent each party in a residential real estate closing. Buyers and sellers in Nassau and Suffolk County should have counsel review the contract before signing and represent them at the closing table.
How much does a foreclosure defense lawyer cost in New York?
Foreclosure defense fees vary based on case complexity, lender, and stage of proceedings. Many Long Island foreclosure defense matters are handled on flat-fee or hybrid arrangements rather than hourly billing. Tom discusses fee structure transparently during the free initial consultation before any engagement.
Credentials
Admitted to the New York State Bar, 1999. Juris Doctor, Touro Law Center, 1998. Twenty-seven years of continuous practice in Nassau and Suffolk County, New York. Office located at 1 Pine Valley Road, Brookville, NY 11747.
About Tom
27 Years. One Attorney. Direct Line. Real Results.
With 27 years of experience, there is almost nothing he hasn't seen and virtually no problem he hasn't tackled before. Clients work directly with him from start to finish — they have his cell phone number, they get answers immediately, and they are guided through every step with the kind of steady reassurance that turns a stressful legal matter into a manageable one. No client of Mr. Sirianni's is ever left to wonder what happens next.
Read Full BioTouro Law Center, J.D. 1998 · NY Bar Admitted 1999
Recent Notable Result
$2.7M Reduced to $600,000
Client retained over $2 million in equity
Tom uncovered a fatal procedural defect in a four-year foreclosure — the bank's affidavit of service named a person who had died a decade earlier. Combined with the leverage created by the Foreclosure Abuse Prevention Act, Tom negotiated a $2.7 million payoff demand down to $600,000, saving the client's home and securing over $2 million in equity.
View Other Outstanding Results →Attorney Advertising. Prior results do not guarantee a similar outcome.
From the Blog
Legal Insights for Long Island
Foreclosure Defense
How to Stop a Foreclosure Sale in Nassau County: A Step-by-Step Guide from a Long Island Foreclosure Defense Attorney
A foreclosure sale date is not the end of the road. New York gives homeowners multiple legal tools to stop, delay, or dismiss a foreclosure — but timing is everything. Here's what every Nassau and Suffolk County homeowner needs to know.
May 6, 2026
Read More →Real Estate Law
What to Look for in a Long Island Real Estate Closing: A Lawyer's Checklist
A real estate closing on Long Island is one of the largest financial transactions most people ever complete — and one of the most legally complex. Here's what every Nassau and Suffolk County buyer and seller needs to know before closing day.
May 6, 2026
Read More →Firearms & Second Amendment
Pistol Permit Denied in Suffolk County? Here's How to Appeal Under the CCIA
A pistol permit denial in Suffolk or Nassau County is not the end of the road. New York law allows applicants to appeal — but the process is governed by strict deadlines and procedural requirements that demand experienced legal representation.
May 6, 2026
Read More →About the author
Thomas A. Sirianni, Esq.
Thomas A. Sirianni, Esq. has practiced law on Long Island since 1999. He represents Nassau and Suffolk County clients in foreclosure defense, real estate, landlord-tenant, and firearms matters from his office at 1 Pine Valley Road, Brookville, NY 11747.
Read the full bio →