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Advertise here →Mongaup Valley, NY · Census-designated place
Mongaup Valley, New York houses and real estate market data.
Houses in Mongaup Valley, NY (Sullivan County) — market data for Mongaup Valley houses and the whole local market.
Census-designated place · Census GEOID 3647977
FEATURED LISTING: WATERFRONT LAKE HOME FOR SALE
Clearlake Oaks Canal-Front Oasis
$425,000 • 3 Beds • 2 Baths • 1,204 Sq Ft
554 Keys, Clearlake Oaks, CA 95423
Luxury Living Lake Lifestyle – Deep Water Access to Clear Lake: PAID-OFF SOLAR • 10-Ft Concrete Seawall • Double Boat Lifts & Private Dock • Hot Tub • Mini-Split HVAC • Close to SF Bay / Wine Country • Cleanest Air in America (Lake County CA) • Spacious Patio and Deck • Open Floor Plan • RV/Boat Parking • Want the Boats? • Make Offer ASAP This Lake Home For Sale in California won't last!
*Listed by Scott Brown, eXp Realty of California, Inc. DRE #01956840. Inquiries delivered directly to listing agent. Search.USAHouses.com*
Contact Agent Direct:
Scott Brown - eXp Realty
Scott@USAHouses.com
Call/Text (707) 474-8855
Click Anywhere on Ad for More Info / Listing Page
Mongaup Valley, NY is a Census-designated place in Sullivan County, New York — this guide covers houses in Mongaup Valley and the whole local market: resale homes, condos, land, and new construction.
Info from government sites and builders may have provided source info.
Open map pin ↗ · 41.680325, -74.779887
At a glance
Mongaup Valley market snapshot
Place type
Census-designated place
County
Sullivan County
Map pin
41.680325, -74.779887
Census GEOID
3647977
Land area
5.02 sq mi
Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. Full source list ↗
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Advertise here →Why Mongaup Valley
What makes Mongaup Valley different
Census-designated place
The U.S. Census Bureau lists Mongaup Valley as a Census-designated place in Sullivan County, New York — a settled community that is not an incorporated city, town, or village. This page uses the same /new-york/mongaup-valley/ guide pattern as incorporated places.
Nearby
Places around Mongaup Valley
County guide: Sullivan County — cities, market context, and local resources for the county that includes Mongaup Valley.
USAHouses.com also lists other Sullivan County places in New York. Each linked guide uses the same Census place geography.
Nearby communities include Smallwood, Kauneonga Lake, White Lake, Monticello, Swan Lake, Kiamesha Lake, Hurleyville, South Fallsburg.
Smallwood market data
Nearby city · ~2.2 mi
Kauneonga Lake market data
Nearby city · ~2.8 mi
White Lake market data
Nearby city · ~3.0 mi
Monticello market data
Nearby city · ~5.1 mi
Swan Lake market data
Nearby city · ~5.6 mi
Kiamesha Lake market data
Nearby city · ~5.7 mi
Hurleyville market data
Nearby city · ~6.9 mi
South Fallsburg market data
Nearby city · ~7.8 mi
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Common questions
Mongaup Valley FAQ
What kind of place is Mongaup Valley, NY?
The U.S. Census Bureau lists Mongaup Valley as a Census-designated place in Sullivan County, New York — a settled community that is not an incorporated city, town, or village.
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🔥 Paid Advertisement: NEW HOME FOR SALE BY OWNER (Builder)
Northern California Luxury Home
3+ Beds • 4 Baths • 2,964 Sq Ft
17867 Deer Hill Rd, Hidden Valley Lake, CA 95467
Brand New 2026 Construction with LAKE VIEWS:
SPACIOUS LOT • Open Floor plan • Chef's kitchen • Interior aquarium • Dual fireplaces • Solar • EV-ready 3-car garage • Waterfall fountain • Great Views • Gated & Guarded Community • Golf Course • Driving Range • Community Pool • Private Lake
📩 Contact Owner Direct
Michael@Fonestream.net
*USA Houses LLC provides paid advertising space only. Property is listed with an outside MLS brokerage. Inquiries are delivered directly to the advertiser.*