Most of Kaser was built recently: 1% of its homes predate 1940 and the median home dates from 1999. Below: maps from 1910 on and the census since 2000.
On its age, its old homes and the National Register, Kaser is among the newest of U.S. towns. Its National Register listings hold the grade up; its age pulls it down.
D−
HistoryA character grade: shown, never part of Kaser’s overall grade.
New York towns list more on the Register than most of the country (a typical New York town has 12.3 per 10,000 residents, the U.S. 2.4), so Kaser’s 0.0 sits below most of its state (10% of New York towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.
NoteThe founding year comes from Wikidata alone; no second source gives 1990.
How sure. Graded on any two of the three inputs instead, the letter would range from D− to D. The pre-1940 share (±2.3 points) is firm at this size.
Founding year: Wikidata (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 Kaser’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Members of Viznitz, a Hasidic denomination, established Kaser in 1990 so they could build denser housing. Herbert Reisman, the supervisor of the town of Ramapo, cooperated in the creation of Kaser because the town leaders also wanted to create more housing.
In 1990, according to Wikidata. the census of 2000 counted 3,316 people here.
How does Kaser rank for history?
Kaser is among the newest 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 Kaser?
1% of Kaser’s homes were built before 1940 (Census estimate, ±2.3 points), against a typical 27% for a New York town; the median home was built in 1999.
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 (1), Wikipedia, U.S. Geological Survey historical maps and U.S. Census counts (via Wikipedia). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.