Founding year: the first Summerland post office (Blevins & Helbock, CC0).The full story ↓
History grade
What drives Summerland’s History grade
On its age, its old homes and the National Register, Summerland is more historic than 50% of U.S. towns. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.
B−
HistoryA character grade: shown, never part of Summerland’s overall grade.
Few California towns list much on the Register (a typical California town has 0.0 per 10,000 residents, the U.S. 2.4), so Summerland’s 0.0 sits below most of its state (31% of California towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from C− to B. The pre-1940 share is a Census survey estimate (±20.3 points). The founding year is the first post office, not a stated founding date.
Founding year: the first post office (other dates in Quick answers). Homes: Census ACS 2020–24. National Register: National Park Service, May 2026 list; each listing counted once (boundary changes and added documentation belong to their listing), and a historic district counts its contributing buildings. How TownRatings grades history →
What stands out about Summerland’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Tar from natural oil seeps in the Summerland area was used for sealing their ocean-going tomols by the Chumash people and for the Mission Santa Barbara as waterproofing for the roof.
In 1883, spiritualist and real estate speculator H.L. Williams founded the town of Summerland. In 1888 he divided his land tract, on a moderately sloping hill facing the ocean, into numerous parcels. He promoted the tiny lots – 25 x 60 – to fellow Spiritualists, who bought them in quantity and moved to the area. The spiritual center of the town was a Spiritualist Church, with séance room, demolished when Highway 101 was put through in the 1950s.
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
The Summerland post office opened in 1889, the earliest record of the town by name (U.S. post office records).
How does Summerland rank for history?
Summerland is more historic than 50% of U.S. towns. The History grade combines the town’s founding era, the share of homes built before 1940 and its National Register listings. It’s a character grade, so it isn’t part of the overall grade. How it works.
How old are the homes in Summerland?
30% of Summerland’s homes were built before 1940 (Census estimate, ±20.3 points), against a typical 3.4% for a California town; the median home was built in 1973.
Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021).
From Wikimedia Commons (3), the Library of Congress (3), Wikipedia, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock), the USGS Geographic Names Information System and Sanborn fire insurance maps (Library of Congress). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.