Signal Mountain, TN Housing Affordability Index
Signal Mountain, Tennessee has an MBR Housing Affordability Index score of 117.2 (More Affordable Than Average) as of October 30, 2026, ranking 271st most affordable of 380 scored Tennessee cities, compared with 103.7 statewide and 97.4 nationally. On a median-priced $544,300 home with 20% down, the Tennessee average 30-year fixed rate of 7.18% means a monthly principal and interest payment of about $2,951, or 25% of the city’s $141,008 median household income.
The MBR Housing Affordability Index (MBR-HAI) for Signal Mountain is updated every night from live Tennessee mortgage rates and U.S. Census Bureau income, home value and housing cost data for the city. A score of 100 equals the national average; higher scores mean homeownership is more affordable.
Signal Mountain is 13.4 points above the Tennessee score. Scores as of October 30, 2026. See the Tennessee index
View Signal Mountain Mortgage RatesSee What You Can Afford in Signal Mountain, Tennessee
Use this Signal Mountain, Tennessee home affordability calculator to see how much house you can afford at today’s Tennessee average 30-year mortgage rate of 7.18%. A household earning the Signal Mountain median income of $141,008, with no other debts and $109,000 down, can afford a home of about $520,278, compared with a median home value of $544,300. Buying the median priced home with 20% down takes a household income of about $149,000 once property tax and insurance are counted.
| Loan amount | $411,278 |
| Principal & interest | $2,787/mo |
| Property tax | $286/mo |
| Home insurance | $217/mo |
| PMI | $0/mo |
| Total monthly payment | $3,290/mo |
How much house can you afford in Signal Mountain?
Most lenders use two limits. Your housing payment, including principal, interest, property tax, homeowners insurance and any PMI, should stay under about 28% of your gross monthly income, and all of your monthly debt payments together should stay under about 36%. The calculator takes whichever limit is lower, then works backward from that payment to the most expensive home it covers at the current rate.
In Signal Mountain, property taxes run about 0.66% of a home’s value each year, based on the Census median tax bill, which counts against the same monthly budget as the mortgage. Each quarter point move in mortgage rates changes the price you can afford by roughly $8,833 for a median income household. A larger down payment, paying down other debts, or a lower rate from a local lender all raise your budget.
What It Takes to Buy in Signal Mountain
Source: U.S. Census Bureau American Community Survey 5-Year Estimates (2024) for Signal Mountain, Tennessee. The rate is the Tennessee average 30-year fixed rate from MonitorBankRates, since lenders publish rates by state.
How Signal Mountain Ranks in Tennessee
Cite the Signal Mountain Score
Explore Further
Scores update each morning, computed from rate data captured the previous night. Score of 100 = national average at a 6.5% reference rate.
