Cost to Own
United States › Missouri › St. Louis County › Webster Groves Population 23,771 Data vintage ACS 2023 5-Year Rates updated 2026-10-22
Before you budget for Webster Groves FEMA rates natural hazard risk in St. Louis County Relatively High, with heat wave its highest-ranked hazard against other US counties. It shapes what insurers charge here. See what threatens homes in this county

Total monthly cost of ownership

Cost to Own a Home in Webster Groves, Missouri

A $371,000 home here costs

$3,173

per month, all in, with 20% down at today's 7.32% 30-year fixed rate. By the 28% rule that takes a household income of about $136,000 a year.

P&I 64%Tax 13%Insurance 6%Utilities 7%Upkeep 10%

A standard mortgage calculator would have told you $2,039. The real number is $1,135 higher every month, 56% more than the payment most buyers budget for.

Compare St. Louis County with anywhere in America · full county breakdown

Webster Groves median: $371,400
Under 20% adds PMI
Freddie Mac PMMS
MO average household

Where every dollar goes

Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.

Principal & interest30-year fixed, $296,800 borrowed $2,039
Property tax1.306% effective rate for Webster Groves itself $404
Homeowners insuranceMissouri averages $1,340/yr (NAIC), or 0.625% of home value $193
Electricity16.02ยข/kWh, Missouri residential average, EIA $160
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $309
Total monthly $3,173

Webster Groves against St. Louis County and Missouri

MeasureWebster GrovesSt. Louis County
Median home value$371,400$260,700
Median property tax$4,850$3,193
Effective tax rate1.306%1.225%
Median gross rent$1,628$1,164
Population23,771996,618

The weather behind that power bill

Webster Groves sits in St. Louis County, which averages a high of 89.6°F in its hottest month and a low of 23.8°F in its coldest, with 41.7" of precipitation a year and 34% of it in a single three-month stretch. That climate drives 1,713 cooling and 4,433 heating degree days, which is what sets the $160 electricity line above.

See the full climate breakdown for St. Louis County , month by month temperatures, rainy season timing, snowfall and heating and cooling costs.

Other cities in St. Louis County

Full St. Louis County cost breakdown · Every county in Missouri

Talk to someone who works this market

These are Webster Groves averages. What one specific house costs to own, or what it would sell for today, depends on the street and the condition of the place. We will connect you with one licensed local agent who works Webster Groves every week. Free, no obligation, and we never sell your details to a list.

I'm looking to buy in Webster Groves I already own here and may sell

Common questions

How much does it cost to own a home in Webster Groves?

A $371,000 home in Webster Groves, Missouri costs approximately $3,173 per month with 20% down at 7.32%. That is $2,039 principal and interest, $404 property tax, $193 homeowners insurance, $228 utilities and $309 set aside for maintenance.

What is the property tax rate in Webster Groves?

Webster Groves has an effective property tax rate of 1.306%, based on a median home value of $371,400 and median real estate taxes of $4,850. That is higher than the St. Louis County average of 1.225%.

What is the average home price in Webster Groves?

The median owner-occupied home value in Webster Groves, Missouri is $371,400, against $260,700 across St. Louis County.

Is it cheaper to rent or buy in Webster Groves?

Median gross rent in Webster Groves is $1,628 a month, against $3,173 to own the median home all in. Renting costs less month to month here, though renting builds no equity.

What salary do you need to buy a home in Webster Groves?

Using the standard 28% rule, housing costs at no more than 28% of gross income, buying the median home in Webster Groves, Missouri at today's rate takes a household income of roughly $136,000 a year. That covers the full $3,173 monthly cost, not just the mortgage payment.

Sources & methodology

  • Median home value, real estate taxes, gross rent and population for Webster Groves, US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
  • Homeowners insurance, NAIC average premium for Missouri.
  • Electricity price, EIA Electric Power Monthly Table 5.6.A.
  • Mortgage rate, Freddie Mac PMMS, refreshed weekly.
  • Maintenance (1%/yr) and water and sewer ($68/mo) are national estimates. Every assumption above is editable.

Full methodology