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O'Sullivan & Zacchea works strategically to find constructive solutions to disputes between commercial and residential landlords and tenants.

We provide expert counsel for landlord and tenant disputes.

We represent landlords and tenants of residential and commercial properties in leasing transactions and litigation.


We strive to resolve issues between landlords and tenants by creating mutually agreeable solutions.

We understand that for a landlord, their rental property may be their most valuable asset or their sole source of income. Similarly, we appreciate that nothing is as important as having a safe and well-maintained place to live for tenants and their families.  With that in mind, we work to achieve prompt, effective results in difficult and dangerous circumstances. In cases where litigation is unavoidable, we strive to resolve the matter as quickly and efficiently as possible and obtain a reasonable, fair outcome that meets our clients' goals.

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