About Hills Flat Lumber
Hills Flat Lumber is a locally run hardware store in Grass Valley, California, found at 380 Railroad Avenue. The store is open Monday to Friday from 7 am to 7 pm; Sunday from 8 am to 5 pm; Saturday from 8 am to 7 pm. It is a practical local stop for Grass Valley gardeners who would rather get plants and know-how from people nearby than from a national chain.
What the store stocks
The store generally stocks tools and fasteners, paint and plumbing and electrical supplies, and a garden section with soil, plants, hoses, fertiliser and outdoor-power basics, with the mix rotating by season.
Growing conditions in Grass Valley
California’s climate ranges from cool coastal fog belts to hot inland valleys, but most of the state sits in a mild Mediterranean pattern (broadly USDA zones 9 to 10) with dry summers and wet winters. That makes a nearby store genuinely useful, because its stock leans toward citrus, succulents, California natives such as ceanothus and salvia, and drought-tolerant Mediterranean plants that actually do well here. It is worth asking staff about right-plant, right-place choices for your specific spot, soil and sun.
Visiting and hours
Hills Flat Lumber is at 380 Railroad Avenue, Grass Valley, California 95945. It is open Monday to Friday from 7 am to 7 pm; Sunday from 8 am to 5 pm; Saturday from 8 am to 7 pm. To confirm current stock or hours you can call +1 530 273 6171, or reach the store through its website and social pages linked on this listing. Hours can change on public holidays, so a quick check before a special trip is wise.
Frequently asked questions
What are Hills Flat Lumber’s opening hours?
The store is open Monday to Friday from 7 am to 7 pm; Sunday from 8 am to 5 pm; Saturday from 8 am to 7 pm. Holiday hours may vary.
Where is Hills Flat Lumber located?
380 Railroad Avenue, Grass Valley, California 95945.
How do I contact the store?
You can call +1 530 273 6171, or use the website and social links on this page.



