St. Louis new construction, explained
Become smarter before you buy.
HomeBuildSTL is a free library for anyone thinking about a new home in the St. Louis area: the communities, the builders and how building works, explained before you talk to anyone who’s selling.
How HomeBuildSTL helps
Compare communities side by side
Builders, collections, base prices and school districts in one place, so you can narrow the list before you drive out.
Know what’s included
What comes standard, what’s an upgrade and what a homesite premium adds, builder by builder.
Know how paying for a build works
Deposits, rate locks, the builder’s lender and the appraisal, in plain English. Read Financing
Know what to ask at the model
And why many builders want your agent registered at your very first visit.
How a new home gets built
Six stages, from homesite to keys. Timelines vary by builder, plan and season.
- Homesite & contractPick the lot, then sign the builder’s purchase agreement.
- SelectionsChoose finishes and options at the design center.
- FoundationPermits and site work, then footings and foundation.
- Framing & rough-insWalls and roof, then plumbing, electrical and HVAC. Walk it before drywall.
- Drywall & finishesDrywall, cabinets, flooring, paint and fixtures.
- Final walk & keysWalk the finished home, close and move in. The warranty begins.
Communities in the library
Four communities today, with more added as builders open new sections.
Harvest
O’Fallon · St. Charles County
Consort Homes from $399,000
Majestic Lakes
Moscow Mills · Lincoln County
From $276,900
Birdie Hills Crossing
St. Peters · St. Charles County
From $329,900
See every community with its builders and school district
Base prices are each builder’s starting price for a plan, before homesite premium, options and upgrades: Villages at Post Farms as of October 14, 2026; the other communities as of October 3, 2026. Builder prices, plans, features and incentives change often; confirm with the builder.
Before you visit a model: many builders ask that your agent register you before your first visit. If you’d like your own representation, it’s easiest to set it up before you go. Talk to Nick
Watch: Nick’s New Construction Minute
Short videos, one new-construction question at a time. Start with Episode 1: bring your agent on your first model visit and Episode 2: move-in ready new construction vs. resale. Community tours and articles are next.