The story of this market
The typical home in ZIP 63121 sells for about $312,064, or $175 per square foot.
Prices are up +3.6% from a year ago, so sellers still have some momentum. Homes take about 11 days to sell, which is fast. HUD's fair market rent for a two-bedroom is $1,450 a month.
This ZIP has no home sales of its own, so its market figures come from St. Louis County, Missouri (county-level). Population, rents, hazards, lending and amenities are this ZIP's own readings.
ZIP 63121 — Saint Louis
The 63121 housing market is experiencing a significant price correction with a 15.2% year-over-year decline in median sale price to $75,462. Market activity is somewhat competitive, though metrics such as rent, tax rates, and specific inventory supply are not currently published at the ZIP level. The area remains a lower-cost alternative within the St. Louis region.
This area is primarily suited for budget-conscious buyers and investors looking for low-cost housing options compared to the broader St. Louis market.
Median prices moved up 3.6% year over year.
Homes spend a median of 11 days on market with 2.2 months of supply — a fast-moving market.
18% of listings have cut prices · homes sell at 101.2% of asking — demand is running ahead of supply.
no recorded foreclosure-ledger notices (0.0 per 10,000 residents) · unemployment 12.3% · poverty 25.6% — elevated distress and economic pressure.
ZCTA 63121, St. Louis County MO
Composed from the ARED governance burden registry — tier-native tax structure (state + county + city + special districts), never averaged. State (Missouri) — Occupancy Law Property Tax Proration: Allows for the assessment and taxation of newly constructed residential property starting the first month following occupancy, and pro rata removal from tax rolls for improvements destroyed by natural disaster. State (Missouri) — Residential Property Tax Assessment: Residential property is assessed at 19% of its true market value. The formula is: (Market Value * 0.19) * Local Tax Rate = Annual Tax Liability.
The area is part of the St. Louis metropolitan economy, characterized by a mix of service, education, and healthcare sectors.
Data retrieved from US Census Bureau and IncomeByZipCode.com.
Key-figure check: no independent anchor retained yet — first-researched cycles establish the anchor baseline this pass. Coherence hold-out: this pass's median price ($75,462) sat outside the 0.25–4× band around St. Louis County's retained level and was not stored.