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Advertise here →Lake Seneca, OH · Census-designated place
Lake Seneca, Ohio houses and real estate market data.
Houses in Lake Seneca, OH (Williams County) — market data for Lake Seneca houses and the whole local market.
Census-designated place · Census GEOID 3941500
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
Lake Seneca, OH is a Census-designated place in Williams County, Ohio — this guide covers houses in Lake Seneca 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 ↗ · 41.665792, -84.647154
At a glance
Lake Seneca market snapshot
Place type
Census-designated place
County
Williams County
Map pin
41.665792, -84.647154
Census GEOID
3941500
Land area
1.42 sq mi
Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. Full source list ↗
Local resources
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Rough estimate only (28% of income toward housing, ~6.5% illustrative rate, 30-year term) — not a loan offer or pre-qualification. Connect with a lender for real numbers →
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Advertise here →Why Lake Seneca
What makes Lake Seneca different
Census-designated place
The U.S. Census Bureau lists Lake Seneca as a Census-designated place in Williams County, Ohio — a settled community that is not an incorporated city, town, or village. This page uses the same /ohio/lake-seneca/ guide pattern as incorporated places.
Nearby
Places around Lake Seneca
County guide: Williams County — cities, market context, and local resources for the county that includes Lake Seneca.
USAHouses.com also lists other Williams County places in Ohio. Each linked guide uses the same Census place geography.
Nearby communities include Nettle Lake, Pioneer, Holiday City, Montpelier, Kunkle, Edon, Blakeslee, Alvordton.
Nettle Lake market data
Nearby city · ~4.2 mi
Pioneer market data
Nearby city · ~5.1 mi
Holiday City market data
Nearby city · ~6.3 mi
Montpelier market data
Nearby city · ~6.3 mi
Kunkle market data
Nearby city · ~8.2 mi
Edon market data
Nearby city · ~9.9 mi
Blakeslee market data
Nearby city · ~10.7 mi
Alvordton market data
Nearby city · ~11.0 mi
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Common questions
Lake Seneca FAQ
What kind of place is Lake Seneca, OH?
The U.S. Census Bureau lists Lake Seneca as a Census-designated place in Williams County, Ohio — 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.*