Shipyard Acres, California

Basalt Rock Company was a multifaceted industrial operation that was founded in 1920. The company started as a rock quarrying operation located a few miles south of Napa, California near Rocktram adjacent to the Napa River. It later branched out into the ship building business in 1941 when it started building ships for the U.S. Navy for use during World War II. Following the war, the plant built 30 miles of pipe for the City of Napa's pipeline from Lake Hennessey. In 1950, the company took title of a cement plant formerly owned by Standard Portland Cement Company in what is now American Canyon, California. The cement plant remained in operation until 1978. As of 2001, the city was evaluating the plant for future use.

Napa Valley College, formerly Napa Junior College and Napa Community College, is a public community college in Napa, California. The tree-lined main campus is on 160 acres (65 ha) overlooking the Napa River and includes a performing arts center, a child development center, a business development center, a Visual Arts Center including a Gallery and Ceramics Studio, and the Napa Valley Vintners Teaching Winery. An Upper Valley Campus in St. Helena includes the Napa Valley Cooking School, training aspiring chefs. In 2014–2015, the total enrollment was about 8,559.

Napa State Hospital is a psychiatric hospital in Napa, California, founded in 1875. It is located along California State Route 221, the Napa-Vallejo Highway, and is one of California's five state mental hospitals. Napa State Hospital holds civil and forensic mental patients in a sprawling 138-acre campus. According to a hospital spokesperson, there were 2,338 people employed at the facility during the 2016 to 2017 fiscal year, making it one of the region's largest employers. The Napa Valley Cricket Club played a number of their matches at McGrath Field, a multi-use sports field, at the eastern end of the hospital campus for the 2017 season.

Imola was an unincorporated community in Napa County, California. It lies at an elevation of 7 feet (2 m). Imola was located on the Southern Pacific Railroad, 1.25 miles (2.0 km) south of Napa.The Imola post office opened in 1920, and closed in 1953.  Imola was the site of the Napa State Hospital (originally housing people diagnosed "insane"). Imola was named for Imola in Italy, which also hosted an insane asylum. In 1948, Imola was described as a "house of hope" in which patients were able to build skills working in the agricultural and industrial activities supported by the hospital. Imola was later annexed to the city of Napa.

The Cayetano Juárez Adobe, often called locally the Old Adobe, is the oldest building in Napa, California. Built in 1845 by early Californio settler Cayetano Juárez, the structure was originally a family house and was later converted to a restaurant and bar. After an ownership change in 2014, it underwent an extensive restoration which was completed in 2019. The building was added to the National Register of Historic Places in 2015. It is currently the home of a Mexican restaurant.

Rancho Entre Napa was a 7,000-acre (28 km2) Mexican land grant in present-day Napa County, California given in 1836 by Governor Mariano Chico to Nicholas Higuera. The grant extended along the west bank of the Napa River from present-day Napa south to Carneros Creek.

The George E. Goodman Mansion, at 1120 Oak St. in Napa, California, was built in 1873. It was listed on the National Register of Historic Places in 1993.It was designed by architects McDougall and Marquis of San Francisco in Second Empire style.

The George E. Goodman Jr. House, at 492 Randolph St. in Napa, California, was built in 1891. It was listed on the National Register of Historic Places in 1993.It is a two-and-a-half-story Queen Anne-style building built upon a raised basement. It has a corner tower.Its National Register nomination calls it "one of Napa's most successfully executed examples of late nineteenth-century residential architecture. It embodies the aesthetic ideals of the Queen Anne style through its design and detailing and shows the type of house that attracted prosperous Napans at the end of the Victorian era. It also indicates the growing importance of family rather than personal wealth. When compared with the hundreds of other residences from the period in Napa, the Goodman House emerges as one of the ten or twelve most significant."

The Capt. N. H. Wulff House, at 549 Brown St. in Napa, California, was built in 1885. It was listed on the National Register of Historic Places in 1992.It is a two-story wood frame Italianate-style house. In 1992 it was "virtually unaltered" since its original construction, and retained its architectural integrity.It was deemed significant as one of few surviving buildings associated with Napa's maritime history. The navigable Napa River flows 20 miles (32 km) from Napa to the San Francisco Bay, and early in Napa's history was essentially the only way to transport produce and passengers to San Fran, and assorted goods and passengers back. River traffic did not decline until the 1920s. Captain N. H. Wulff was "one of the city's most important steamboat owners and masters during the last half of the nineteenth century. Because Wulff was engaged in carrying goods and passengers vital to the growth of the town, the building is also significant in the areas of commerce and transportation.... Wulff had the house erected at the height of his career in 1885 and lived in it until his death in 1911."The house was designed by William H. Corlett and built by Thomas Derry.

The Eliza G. Yount House, at 423 Seminary St. in Napa, California, was built in 1884. It was listed on the National Register of Historic Places in 1992.

Tulocay Cemetery is a cemetery located in Napa, California originally established in 1859 following Governor pro tem Manuel Jimeno to Cayetano Juárez's 1853 donation of approximately 48 acres (0.2 km2) of land to the people of Napa.

Acacia Winery, also known as Acacia Vineyard or simply Acacia, is a winery in the Carneros Valley appellation in Napa County, California, United States. Acacia Winery was founded in 1979 by co-founder Michael Richmond and others on Las Amigas Road. The winery primarily produced pinot noir and Chardonnay wines including the following lines: Reserve, SVS Wines, Carneros Blend, A, From Acacia (fruit from the central coast), and Estate Pinot (2001-2002). Paul Perret became the sole general partner of Lakeside Winery, the owner of Acacia, and sold the winery to Chalone in July, 1986.