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Newcastle, CA
Generally Investor Friendly
Local STR Agent

Executive overview: Yes—short‑term rentals (STRs) are allowed in Newcastle, CA. Newcastle is an unincorporated community in Placer County, and STRs are regulated under the Placer County Short‑Term Rental Ordinance (county‑wide). Operating requires a Placer County STR permit, a Transient Occupancy Tax (TOT) certificate, and compliance with fire life safety and defensible space inspections. Local contact person requirements, posting rules, occupancy caps, and a 30‑night minimum stay condition apply as detailed below. Links to all authoritative sources are included.
How to start a STR business in Newcastle (step‑by‑step)
Required documents, permits, licenses, and guidelines
Placer County STR regulations for Newcastle (city/county level)
Fire inspection requirements and scheduling (district‑specific)
California state context and constraints (applied locally)
Key contacts and official resources
Links to official source pages (for verification and full details)
Notes for investors


Newcastle is an unincorporated community and census-designated place (CDP) in Placer County, California. Nestled in the Sierra Nevada foothills, Newcastle is located 8 miles (12.9 km) northeast of Rocklin and 31 miles northeast of Sacramento. Newcastle generally has moderate winters and warm summers. The latitude of Newcastle is 38.874N, the longitude is -121.132W, and an elevation of 945 ft (288 m). The town's zip code is 95658 and is in area codes 916 and 279. The population of the CDP as of the 2010 U.S. Census is 1,224.
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