Chattanooga's Zillow snapshot shows a typical home value of $324,364 and typical observed market rent of $1,505 monthly. That implies a 5.6% gross yield before every operating cost, financing expense and vacancy allowance. Home value was down 1.1% year over year while rent was up 2.1%, a current divergence, not a forecast. Price is 5.0x city median household income, and annual Zillow rent is 28.0% of that income, signaling affordability pressure but not borrower or tenant qualification.
City tenure is 47.6% renter-occupied among occupied units; 10.1% of all housing units are vacant. ACS occupied-housing measures report a $283,200 median owner-reported home value and $1,256 median gross rent, including contract rent plus selected utilities. These ACS measures differ in concept and period from Zillow ZHVI and ZORI; do not average them or treat them as transaction prices.
Direct city depth is mixed: 46.4% of renter households are rent-burdened, while 62.9% of housing units are single-family and 14.6% are in large multifamily buildings. Among vacant units, 21.2% are classified for rent; neither that reason share nor the structure mix identifies available investment inventory or proves a specific rental will lease quickly. Population increased 3.4% between overlapping ACS five-year vintages, not at an annual rate, and boundary changes may contribute. Median household income is $64,523, with a 19.1% poverty rate and 5.4% unemployment rate; these describe demand constraints, not causes of housing outcomes.
At the county scope, Hamilton County listings show 58 median days on market and a 23.9% price-reduced share. Those county measures support testing seller flexibility but do not measure Chattanooga alone. At the county scope, Hamilton County's 0.62% property-tax rate is only a baseline pending parcel confirmation. The Chattanooga, TN metro had jobs down 0.5% year over year and recorded 3,388 permits in the supplied period; metro context cannot establish city rental absorption. The national 30-year mortgage rate is 6.58%, framing financing conditions rather than a Chattanooga borrower quote.
Underwriting remains limited by citywide and wider-area aggregates, differing Zillow and ACS definitions, overlapping survey vintages, and gross yield's omission of taxes, insurance, repairs, management, utilities, financing, turnover and physical vacancy. Next, verify the target property's purchase basis, achievable lease rent and concessions; inspect condition and capital needs; obtain parcel tax and insurance quotes; check hazard exposure, title, zoning and permit status; and model operating expenses, debt terms and downside occupancy. These checks, not city averages, determine property-level cash flow.