A typical Castle Rock home is worth roughly $447,000
Builders were permitted 2 new homes in 2025.
What kind of housing town is Castle Rock?
Read from the numbers below. The page puts what stands out first.
What it takes to buy in Castle Rock
Try your own numbers below.
That’s $168K short of a typical Castle Rock home.
A two-bedroom rents for about $980 a month here, $1,900 less than owning.
An estimate, not a loan offer: payments of up to 28% of income, a 30-year fixed loan, the Wisconsin typical property tax (1.42% of value a year, from the Census) and insurance of about 0.35%. Mortgage insurance, HOA fees and other debts aren’t included.
92% of Castle Rock households own their home
Half of Castle Rock’s homes were built before 1991.
Wisconsin: 68% own.
U.S. Census Bureau, American Community Survey 2020-2024 · figures for a place this size carry wide margins of error.
A two-bedroom rents for about $980
Renters already here pay a median of $775, so moving in tends to cost more than staying put.
Fair Market Rent a month, utilities included
U.S. Department of Housing and Urban Development, Fair Market Rents by ZIP code (Iowa County, WI HUD Metro FMR Area): the 40th-percentile rent plus utilities for a standard unit. Median rent and renters: U.S. Census Bureau, American Community Survey.
2 new homes permitted in 2025
Builders were permitted 2 new homes in Castle Rock in 2025, all single-family houses. Over the past 10 years, Castle Rock has permitted 11 homes in all.
Every year as a table
| Year | New homes | Single-family | 2+ per building | Value |
|---|---|---|---|---|
| 2026 (Jan–Aug) | 1 | 1 | 0 | $250,000 |
| 2025 | 2 | 2 | 0 | $700,000 |
| 2024 | 2 | 2 | 0 | $500,000 |
| 2023 | 3 | 3 | 0 | $980,000 |
| 2022 | 0 | 0 | 0 | — |
| 2021 | 0 | 0 | 0 | — |
| 2020 | 1 | 1 | 0 | $100,000 |
| 2019 | 0 | 0 | 0 | — |
| 2018 | 0 | 0 | 0 | — |
| 2017 | 1 | 1 | 0 | $120,000 |
| 2016 | 2 | 2 | 0 | $400,000 |
| 2015 | 2 | 2 | 0 | $400,000 |
| 2014 | 0 | 0 | 0 | — |
| 2013 | 2 | 2 | 0 | $400,000 |
Homes authorized by building permits, counted in the year the permit was issued. U.S. Census Bureau, Building Permits Survey.
Castle Rock vs. its neighbors
Castle Rock is the priciest of 4 neighboring towns. Tap one to see its housing page.
Compare more
| Town | Typical value | 1-yr change | 2-bed rent | New homes 2025 | Median income |
|---|---|---|---|---|---|
| Castle Rock | $447K* | — | $980 | 2 | $106,667 |
| Highland | $297K | +7.6% | $990 | — | $83,646 |
| Muscoda | $174K* | — | $970 | — | $78,000 |
| Hickory Grove | $311K* | — | $970 | — | $104,375 |
Typical value: Zillow Home Value Index; * Census median home value where Zillow has none. † FHFA price index change where Zillow has none. Rent: HUD Fair Market Rent. New homes: Census building permits.
Neighbors talk housing
What Castle Rock buyers, sellers and renters are saying.
Your answer becomes a post in Town Square.
Home values: Zillow Home Value Index (ZHVI), Zillow Research. Sales, days on market and supply: Redfin Data Center. Income, ownership, taxes and rent: U.S. Census Bureau, American Community Survey. New homes: U.S. Census Bureau, Building Permits Survey. Fair Market Rents: U.S. Department of Housing and Urban Development. Listings link to their publishers. The calculator is an estimate, not a loan offer.