Rent in Castle Rock, WA
A 2-bedroom in Castle Rock, WA (ZIP 98611) typically rents for about $1,206 a month, with a range of $1,206–$1,398. Owner-occupied homes in Cowlitz County pay about 0.82% of their value a year in property tax, and the 30-year fixed mortgage rate averaged 7.32% in the week of Oct 22, 2026.
Rent by bedrooms
| Size | Typical | Range across ZIPs | ZIPs |
|---|---|---|---|
| Studio | $974 | $974 | 1 |
| 1 bed | $981 | $981–$1,124 | 1 |
| 2 beds | $1,206 | $1,206–$1,398 | 1 |
| 3 beds | $1,419 | $1,419–$1,936 | 1 |
| 4 beds | $2,337 | $2,337 | 1 |
Typical = median of each ZIP's best guess. Gross rent (rent plus tenant-paid utilities). Sources: Census ACS 5-year median gross rent (Dec 31, 2024) and HUD county Fair Market Rents (Oct 1, 2026).
Castle Rock ZIP codes
2 bedsFrequently asked questions
- What is the average rent for a 2-bedroom in Castle Rock, WA?
- About $1,206 a month: the median of the typical rents in 1 ZIP code, which range from $1,206–$1,398. Figures are gross rent (rent plus tenant-paid utilities).
- What is the average rent for a 1-bedroom in Castle Rock, WA?
- About $981 a month: the median of the typical rents in 1 ZIP code, which range from $981–$1,124. Figures are gross rent (rent plus tenant-paid utilities).
- What is the average rent for a 3-bedroom in Castle Rock, WA?
- About $1,419 a month: the median of the typical rents in 1 ZIP code, which range from $1,419–$1,936. Figures are gross rent (rent plus tenant-paid utilities).
- What is the average rent for a studio in Castle Rock, WA?
- About $974 a month: the median of the typical rents in 1 ZIP code, which range from $974. Figures are gross rent (rent plus tenant-paid utilities).
- What is the average rent for a 4-bedroom in Castle Rock, WA?
- About $2,337 a month: the median of the typical rents in 1 ZIP code, which range from $2,337. Figures are gross rent (rent plus tenant-paid utilities).
- What is the property tax rate in Castle Rock, WA?
- Owner-occupied homes in Cowlitz County pay a typical 0.82% of their value a year (Census ACS, median taxes paid ÷ median home value, Dec 31, 2024). Investors often pay more after a purchase: the home is reassessed at the sale price and there is no homestead exemption.
- What is the current 30-year mortgage rate?
- The 30-year fixed rate averaged 7.32% in the week of Oct 22, 2026 (Freddie Mac PMMS via FRED). It's a national average for owner-occupied loans; investment property loans usually cost more.
- Where do these Castle Rock rent figures come from?
- Census ACS 5-year median gross rent (Dec 31, 2024) and HUD county Fair Market Rents (Oct 1, 2026).