Ron Brien’s family has a meaningful connection to the American legal tradition. Attorney Brien’s aunt’s father served as Chief Justice of the United States Supreme Court from 1953 – 1969,

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Years of Trusted Legal Experience

Real Estate Law Firm Serving Connecticut and New York

The firm’s clients include first time home buyers, sellers, tenants intending to lease office or retail space; landlords and tenants experiencing difficulties; individuals in need of zoning approvals; condominium associations, cooperative corporations, and residential and commercial lenders. 

Real Estate Transactions

Buying or selling a home in Greenwich or Stamford? Ron Brien guides you through every step — contracts, closings, and title reviews — so your investment is fully protected.

Landlord & Tenant Disputes

Facing a lease disagreement or eviction issue in Connecticut? Attorney Brien represents both landlords and tenants with clear, practical legal strategy to resolve disputes efficiently.

Lease Review & Commercial Space

Opening a new store or office? Before you sign, let Ron Brien review your commercial lease to protect your rights and avoid costly surprises down the road.

Real Estate Law

Lease Review

Landlord & Tenant Disputes

Residential Closings

Commercial Real Estate

Connecticut Property Law

Serving Connecticut Clients With Focused Legal Experience

Whether you’re buying your first home in Greenwich, resolving a landlord dispute in Stamford, or reviewing a commercial lease — Ron Brien provides straightforward legal guidance tailored to your situation. No complicated jargon, just clear answers and dependable results.

Landlord / Tenant / Evictions / Breach of Lease

Representing landlords and tenants in Greenwich and Stamford — from evictions to lease disputes, Attorney Brien resolves it efficiently.

Closings, Residential and Commercial Real Estate

From contract to closing, Attorney Brien handles every detail of your Connecticut property transaction with precision and care.

Leasing, Drafting,
and Negotiations

Attorney Brien drafts and negotiates commercial leases that protect your interests — so you can focus on your business.

Zoning / Land Use

Ron Brien helps homeowners and developers navigate Connecticut zoning laws, variances, and permit processes with confidence.

Condominium Associations

Attorney Brien advises condo boards and co-op members on governance, disputes, and compliance.

Trusts & Estates

Ron Brien helps Connecticut families create clear, legally sound trusts and estate plans for a secure future.

500+ happy clients

We Are Committed To Protecting Your Property & Rights

With decades of experience in Connecticut real estate and property law, Attorney Brien provides honest, straightforward legal guidance – no unnecessary delays, no confusing jargon.

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COMMUNITY INVOLVEMENT

The Law Office of Ronald J. Brien LLC is involved in its local communities throughout New York and Connecticut.

The Greenwich Business Club

The Greenwich Business Club

Ron Brien with Lynn Brien and U.S. Congressman Michael Lawler.

Attorney Brien with Justin Brasch, Mayor of the City of White Plains

When You Need Legal Help, We’re Here for You

Whether you’re buying a home, dealing with a landlord dispute, or reviewing a lease – Attorney Ron Brien is ready to help. Serving Greenwich, Stamford, and all of Connecticut.

Our Satisfied Clients

Our clients trust us with their most important legal matters. Here’s what they have to say about working with Attorney Ron Brien.

LAURIE AND STEVE HARRISON

Ron Brien provided exceptional legal services regarding a residential lease agreement and the purchase of a single-family home in Greenwich CT. He is professional, responsible and a pleasure to do business with.

YENNY KEVELIER

A friend of mine recommended Attorney Brien. It was a pleasure working with him during the process of purchasing my new home. He patiently explained the process of the closing costs and answered all of my questions and addressed all of my concerns.

WILL KANG AND EUNNA CHO

Ron represented us in the purchase of our first home. Ron came highly recommended by a colleague and we could not have been happier with his work. He was knowledgeable and responsive and made sure that the contract negotiation and closing went smoothly

JUSTIN ROSZKOWSKI

As you now know I am your neighbor, an entrepreneur graduate from the class of 1999 of Greenwich High school. I would highly recommend your services to all my friends and family. I look forward to working with you in the future.

HORACIO B

Our landlord tried to take advantage of me by keeping my security and fabricating reasons to retain it. The landlord also claimed that my family caused damages beyond normal wear and tear. I hired Ron and he brought a breach of lease cause of action against the landlord