Mainstay
San Francisco, US · 3 known investors
Mainstay is a platform for residential real estate that unifies fragmented property data from sources like MLS listings, county records, HOA documents, tax assessments, and permits into a single system for buying, owning, and selling homes. It connects data, decisions, and execution across real estate workflows to provide reliable property information.
Data & InfrastructureEnterprise SoftwarePropTechSaaS
Founders & leadership
Investors · 3
Competitors · 2
by search overlapZillow45 shared keywordsZillow operates an online real estate marketplace where consumers can search homes for sale and rentals across US and Canadian cities, view mortgage rate information, and access home financing through Zillow Home Loans. It covers residential property listings, apartments and houses for rent, and mortgage services nationwide.
AvantStay29 shared keywordsAvantStay operates a collection of fully furnished, design-forward vacation rental homes in sought-after U.S. destinations, offering short- and long-term stays with amenities like concierge service, Wi-Fi, and smart locks. It also provides property management and real estate services for homeowners as well as corporate travel booking for groups and companies.
Companies competing with Mainstay for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Frequently asked questions
- What does Mainstay do?
- Mainstay is a platform for residential real estate that unifies fragmented property data from sources like MLS listings, county records, HOA documents, tax assessments, and permits into a single system for buying, owning, and selling homes. It connects data, decisions, and execution across real estate workflows to provide reliable property information.
- Who founded Mainstay?
- Mainstay was founded by Dod Fraser, J.D. Rasmussen, Michael Dulfer.
- Who are Mainstay's investors?
- Mainstay's investors include Era Ventures, Khosla Ventures, Inspired Capital.
- Where is Mainstay headquartered?
- Mainstay is headquartered in San Francisco, US.




