Each edition grades its towns against each other only.
More historic than 26% of U.S. towns · #382 of 847 in California. What drives it
Most of Pismo Beach was built recently: 4% of its homes predate 1940 and the median home dates from 1986. Below: 5 old photos and papers, maps from 1897 on, and the census since 1950.
The Pismo Beach post office opened in 1923, the earliest record of the town by name. Wikidata gives 1946. Two smaller post offices, Pismo (1894) and Shell Beach (1939), opened inside today’s city and later closed.
More historic than 26% of U.S. towns, on its age, its old homes and the National Register.
On its age, its old homes and the National Register, Pismo Beach is more historic than 26% of U.S. towns, #382 of 847 in California. Its National Register listings hold the grade up; its age pulls it down.
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 Pismo Beach’s 1.2 sits above most of its state (77% of California towns have fewer) while its 1 listings outnumber those of 51% of U.S. towns.
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 →
Read from the archive, the National Register and the record. The page puts what stands out first.
Every edition of the U.S. Geological Survey’s map of Pismo Beach. Tap a year, or press play to watch the town change.
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Pismo Beach.
Pismo Beach’s post office has been open since 1923. Two other post offices opened and closed inside today’s town.
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
From Wikipedia’s history of Pismo Beach.
The Chumash people are the historic inhabitants of the region, with indigenous peoples having lived along the California coast for at least 11,000 years.
Text from Wikipedia, licensed CC BY-SA 4.0.
Woven from the archive, old maps, post office records, the National Register and the people born here.
On the mapFirst mapped by the U.S. Geological Survey
In the archiveOilport refinery, CA
In the archiveHotel Pismo (91122)
In the archiveSantaMariaDistrictOilGasFields3 decades in the archive, from the 1910s to the 1940s. Scroll each row; tap a photo for its story.
Fire insurance maps drew every building, what it was made of and what it was used for, so insurers could price the risk of fire. Pick a sheet.
1924Sheet 1 of 6Sanborn Map Company, via the Library of Congress. Editions published in 1930 or earlier, which are in the public domain.
No then-and-now pairs yet. Take a photo from the same spot as an old one and they appear here side by side.
Find the spot, match the angle, and add your photo. It becomes the first then-and-now pair on Pismo Beach’s page.
Retake this view · +15The country’s official list of buildings and places worth saving.
National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.
Between 1,425 and 8,551 people in every census since 1950.
8 censuses, 1950–2020.
U.S. Census Bureau decennial counts, from the census table on Pismo Beach’s Wikipedia page.
Most archives stop around 1920. The photos from after that are in family albums, not libraries.
Each neighbor’s History grade, on the same three inputs.
The Pismo Beach post office opened in 1923, the earliest record of the town by name (U.S. post office records). Wikidata gives 1946.
Pismo Beach is more historic than 26% of U.S. towns, #382 of 847 in California. 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.
One place: the John Price House (listed 1988).
4% of Pismo Beach’s homes were built before 1940 (Census estimate, ±1.8 points), against a typical 3.4% for a California town; the median home was built in 1986.
What the archives can’t tell you, neighbors can.
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 (9), Wikidata (1), the National Register of Historic Places (1), 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.
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