Mainstay operates a market intelligence and transaction platform that provides data-driven insights and tools for managing single-family rental properties. The platform streamlines the buying, selling, and management processes, enabling users to optimize transactions and maximize property tax savings across a portfolio of over 240,000 managed properties.
Funding
Funding not disclosed

Founders
Product
Problem
Managing single-family rental (SFR) properties involves complex processes for buying, selling, and optimizing property taxes, often requiring disparate tools and data sources. Inefficient workflows and incomplete market intelligence can lead to missed opportunities and suboptimal financial performance for SFR portfolios.
Solution
Mainstay provides a market intelligence and transaction platform designed to streamline the entire SFR lifecycle, from acquisition to disposition and property tax optimization. The platform offers comprehensive market data, automated workflows, and proprietary analytics to facilitate informed decision-making. By integrating buying, selling, and property tax management tools into a single platform, Mainstay enables users to optimize transactions, maximize tax savings, and improve overall portfolio performance. The platform's features are designed to transform SFR businesses at any scale, providing a single source of truth for residential real estate.
Target Audience
Mainstay targets businesses and residents involved in the single-family rental market, including property managers, investors, and homeowners.
Features
- Frictionless transaction process for buying, including lead management, underwriting, and closing workflows.
- Listing workflows and access to a proprietary leads channel for optimizing home-selling strategies.
- County-level data model for maximizing property tax savings.
- HOA management solution for streamlining underwriting decisions and enhancing resident experiences.
- Market Advisor tool for uncovering housing opportunities for both renting and buying.
- Professional-grade tools for tracking over 3 million single-family rental homes.