Johnson County

Johnson County sits at a gross rent multiplier that translates to a 0.45% rent-to-price ratio, well below the 0.8–1.0% threshold most cash-flow investors use as a floor. The estimated cap rate of 2.93% confirms what that ratio implies: at a $459,391 median purchase price against $1,728 in monthly rent, the income simply does not cover the carry. The model underwrites to negative $1,285 per month in cash flow and a cash-on-cash return of -14.59% at a 20% down payment and 6.85% financing. Those aren't rounding errors; they're structural. Where Johnson compensates is on the appreciation side, scoring 85 out of 100 on that dimension and posting 4.58% year-over-year home price growth. This is an appreciation market, not an income market, and the numbers say so without ambiguity.

That profile narrows the buyer universe considerably. A pure cash-flow investor has no business here at current prices; the negative carry is too deep to paper over with optimistic vacancy assumptions or rent growth projections. The appreciation buyer, specifically someone with a long hold horizon, patient capital, and a willingness to subsidize carry costs out of pocket, can find a credible thesis. A $610,742-person county with a $103,644 median household income and an affordability index of 64 suggests a tenant base that earns well but is priced out of ownership at $459,000, which creates persistent rental demand even at premium rent levels. The value-add operator faces the same cap-rate ceiling as everyone else; forced appreciation through renovation is harder to execute when the base price is already pushing $460,000 and the exit cap rate isn't going to move. The play here is hold-for-appreciation, accept the negative cash flow as a cost of participation, and underwrite to a multi-year exit.

The tax and insurance picture deserves attention when you're already running negative. The combined monthly tax and insurance load comes to $762, which is a significant line item inside the $605 estimated monthly expenses figure. Kansas's state-average effective property tax rate is 1.41%, flagged here as normal relative to the national range, meaning it's not an outsized drag by state standards, but at a $459,000 purchase price that rate produces $6,477 in annual property taxes. Add $2,664 in annual insurance and you're at $9,141 before you touch mortgage, maintenance, or vacancy. Keep in mind this uses a state-average estimate; actual Johnson County and township-level rates may differ, so pull the county assessor data before closing. The insurance rate of 0.58% is worth noting in the context of Kansas weather exposure, though the combined figure is already baked into the underwrite.

On the risk side, the concentration concern is real. Johnson County's investment thesis is tightly coupled to the economic health of the Kansas City metropolitan area. A county of 610,000 people with a $103,644 median income almost certainly draws its employment base from a handful of large healthcare, financial services, and government employers in the KC metro. If that employment base softens, rent growth stalls and appreciation moderates quickly. The affordability index of 64 means the market is meaningfully less accessible than a neutral baseline, which limits the buyer pool on exit and can compress appreciation upside if rates stay elevated. There is no vacancy or regulatory data provided here, so those risks cannot be quantified, but any investor underwriting this county should stress-test the rent assumption and model a 6–12 month vacancy before committing.

Compared to the neighboring counties in the dataset, Johnson is the outlier on price and the laggard on income. Leavenworth County comes in at $334,681 median price and a 0.406% rent-to-price ratio, slightly weaker on yield but $125,000 cheaper per door. Ellis County at $241,381 matches Johnson almost exactly on rent-to-price ratio (0.454% vs. 0.451%) but at roughly half the purchase price, meaning the absolute dollar loss per month is far more manageable. Ford County ($204,156), Sumner County ($140,857), and Bourbon County ($125,434) are all substantially cheaper, though without rent data for those three it's impossible to compare yield directly. The overall scores across all five neighbors cluster tightly between 56 and 60, with Johnson at 58, so there's no meaningful quality gap separating these markets at the composite level. The investor who chooses Johnson over a neighbor like Ellis is explicitly betting on the metro demand and income demographics supporting appreciation, and is paying a large premium for that bet. If the goal is cash flow or even cash-flow-neutral operation, Ellis or Leavenworth deserves a harder look before committing to a market where the monthly carry runs $1,285 negative from day one.