Long Island, New York
Long Island, New York 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 lease guidance linked to New York jurisdiction records. Review the applicable sources before relying on a draft.
Start free · New York rules and sources
Renting in Long Island
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.
- Landlord website — A branded page at rentmouse.com/your-business that advertises vacant units, collects rental inquiries and doubles as the tenant sign-in.
Other New York cities
Albany · Buffalo · New York City · Rochester · Syracuse · White Plains · Yonkers