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Newcastle, CA
Generally Investor Friendly
Local STR Agent
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 hosts earn a median $40,350/year with $201 ADR and 60% occupancy.
Top performers pull in $65,507+ per year.
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Newcastle is a small unincorporated community nestled in the Sierra Nevada foothills of Placer County, California. With a population of roughly 1,200 residents, it has retained the quiet, semi-rural character of a former Gold Rush-era settlement while functioning as a convenient stopover for travelers moving between the Central Valley and the high Sierra. The community sits along the historic Lincoln Highway and Interstate 80, and serves as a gateway to the river canyons, foothill reservoirs, and Gold Country towns of the surrounding region. Sacramento, the nearest major city, lies roughly 30 miles to the southwest.
A short drive east of Newcastle leads to Auburn State Recreation Area, a sprawling foothill reserve that follows the North and Middle Forks of the American River. The park offers swimming holes, hiking and mountain biking trails, and seasonal white-water rafting during the spring snowmelt, drawing visitors year-round for picnicking and casual gold panning in the same riverbeds that fueled the 1849 Gold Rush. It is one of the most popular outdoor destinations in the greater Sacramento area.
To the south of Newcastle lies Folsom Lake State Recreation Area, a large reservoir ringed by pine-covered hills. The lake is about 20 minutes from Newcastle by car and offers boating, fishing, swimming, and lakeside hiking within a landscape of oak woodlands and chaparral. Its multiple marinas and developed day-use areas make it a favorite escape for Sacramento-area residents seeking water-based recreation within easy striking distance of the city.
A few minutes east along Interstate 80, the city of Auburn, California anchors the region with a walkable Old Town district of preserved Gold Rush-era brick buildings, antique shops, and tasting rooms representing the surrounding Placer County wine region. Auburn is also the finish line of the Western States Endurance Run each summer and home to the Old Auburn Courthouse, an 1890s building now operated as a local history museum. The town's network of foothill trails connects visitors to the broader Western States Trail system threading the Sierra.
With its mild four-season climate, central location along the I-80 corridor, and proximity to Auburn, Folsom Lake, the American River canyons, and the greater Sierra Nevada, Newcastle offers short-term rental guests a peaceful foothill base from which to explore both Northern Gold Country and the Sacramento region.
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