St. Peters, Missouri
Sell your home and stay in St. Peters.
St. Peters is planned-growth St. Charles County at its most family-friendly: subdivisions built largely from the 1980s through the 2000s, with 370 Lakeside Park and Mid Rivers at the center of daily life.
Mainstay buys St. Peters homes for 80–95% of their value, pays off your mortgage, and leases the home right back to you — so you unlock your equity without leaving your home, your schools, or your neighbors. We serve all of St. Charles County.
How it works in St. Peters
We bring you our best offer
Built from real nearby comps — no haggling, no pressure.
We buy and clear your mortgage
Sale proceeds pay off your mortgage and any liens in full.
Six months of rent, prepaid
From your own proceeds — so no rent checks for six months.
You get a check and stay put
Keep your home, your schools, your neighbors — as a renter.
Your number, backed by St. Peters comps
Your estimate isn’t a number we made up. St. Charles County publishes real sale prices, so your St. Peters estimate is built on what comparable homes near you actually sold for — recently and verifiably. It’s a sale plus a lease — not a loan, mortgage, or refinance — and the price is set transparently, with no negotiation games.
See what staying put could look like in St. Peters
A transparent, no-obligation estimate in minutes — cash at closing, your monthly rent, and your mortgage paid off.
We also serve
St. Peters is one of our St. Charles County submarkets — see the full St. Louis & St. Charles service area.