On its age, its old homes and the National Register, Clearlake Riviera is more historic than 5% of U.S. towns, #768 of 847 in California. Its National Register listings hold the grade up; its share of homes from before 1940 pulls it down.
D−
HistoryA character grade: shown, never part of Clearlake Riviera’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 Clearlake Riviera’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 two of the three inputs, so a change in either one moves the letter more than it would with three. The pre-1940 share (±0.7 points) is firm at this size.
Founding year: our sources. 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 Clearlake Riviera’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Wikipedia doesn’t have a history of Clearlake Riviera yet. The photos, dates and memories neighbors add here are how it gets written.
Kelseyville Riviera is a planned community in Lake County, California, United States. In 2021, its name was changed from Clear Lake Riviera by its homeowners association. The population was 3,410 at the 2020 census.
Between the 2010 and 2020 censuses its population grew from 3,090 to 3,410 (+10%).
Intro from Wikipedia. Population: U.S. Census Bureau.
By decade
No old photos in the archives yet
Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Be the first to add onePhotograph a print flat, in daylight, no flash.
Every edition of the U.S. Geological Survey’s map of Clearlake Riviera. Tap a year, or press play to watch the town change.
1945Lower Lake sheet · 1:62,500
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Clearlake Riviera.
Famous people
Famous people close to Clearlake Riviera
Nobody well known was born in Clearlake Riviera itself, so here are the best known from just nearby.
Old hamlets and crossroads still carry their names on the map.
Hamlets and corners on the map
Clear Lake Riviera
Places and cemeteries from the USGS Geographic Names Information System (2021).
Questions about Clearlake Riviera’s history
How does Clearlake Riviera rank for history?
Clearlake Riviera is more historic than 5% of U.S. towns, #768 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.
How old are the homes in Clearlake Riviera?
0.0% of Clearlake Riviera’s homes were built before 1940 (Census estimate), against a typical 3.4% for a California town; the median home was built in 1987.
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 U.S. Geological Survey historical maps and the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.
