Long Island, New York
Long Island landlord software
Manage your Long Island rentals with confidence.
RentMouse keeps leases, rent, maintenance, documents and tenant communication for your Long Island rentals in one workspace, with New York rules built into every lease it drafts.
Start free · New York rules and sources
Renting in Long Island
Long Island spans Nassau and Suffolk Counties with 2.9 million residents. The rental market varies from dense urban areas near Queens to beach communities in the Hamptons, suburban single-family homes, and rural eastern properties.
Neighbourhoods landlords here manage: Nassau County, Suffolk County, North Shore (Gold Coast), South Shore (Beach), The Hamptons, Central LI.
New York rules that apply in Long Island
- Security deposit limit
- 1 month's rent (GOL 7-108)
- Deposit return / claim rule
- 14 days
- Deposit interest
- Buildings with 6+ units: interest-bearing account at prevailing rate
- Notice before entry
- No state statute; local rules apply — check your jurisdiction
- Ending a month-to-month
- 30, 60 or 90 days by length of occupancy (RPL 226-c)
- Notice before a rent increase
- Increase of 5% or more: 30/60/90 days by occupancy (RPL 226-c)
- Late fees
- Lesser of $50 or 5% of monthly rent, after 5 days late (RPL 238-a)
- Rent control
- Rent control/stabilization in NYC and ETPA localities; Good Cause opt-in
General information from Real Property Law Art. 7 and GOL 7-103/7-108; HSTPA of 2019, last reviewed 2026-08-21; not legal advice. Municipal bylaws can add requirements. Sources are listed on the New York guide.
What RentMouse does for Long Island landlords
- Properties & units — Each building and suite in one portfolio view, with occupancy, unit details and photos.
- Tenants & leases — Tenant records and lease terms attached to the right unit, with renewals surfaced before they arrive.
- Rent tracking — Monthly invoices, recorded payments, balances, overdue flags and reminders. Tenants keep paying you the way they already do.
- Maintenance — Requests with photos, priorities, vendors, dates and costs linked to the unit.
- Documents & e-signing — Jurisdiction-aware lease drafts from guided templates, sent for electronic signature and filed with the tenancy.
- Tenant portal — Optional, free for tenants: their tenancy details, invoices, shared documents and maintenance requests.
Other New York cities
Albany · Buffalo · New York City · Rochester · Syracuse · White Plains · Yonkers