New Construction Homes for Sale in Sullivan County, NY

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  $5,000 Lot/Land

  0 Park Ave, Mamakating, NY 12790

  • 20,037 Sq Ft
  • $10,870 per Acre

  Recreational lot near Masten lake. make an offer

  

  Alla Sienitsky

  Resort Realty

  0 Park Ave, Mamakating, NY 12790
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  $169,000 Lot/Land

  592 Proctor Rd, Glen Spey, NY 12737

  • 5.1 Acres
  • $33,137 per Acre

  Perfect property to build the home of your dreams! Private drive leads to Gorgeous cleared 5+ acre parcel in the Lake Lochada area! Beautiful level land overlooking a charming private pond and shared lake rights to Lochada Lake for fishing, swimming, sailing and canoeing. Electric at the site, driveway is in, Drilled well and septic already in place. Lochada Lake is a private, spring fed lake

  

  Donna Geba

  Century 21 Geba Realty

  592 Proctor Rd, Glen Spey, NY 12737
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  $69,000 Lot/Land

  55 State St, Liberty, NY 12754

  • 5.22 Acres
  • $13,218 per Acre

  5.22 acre building lot in Liberty school district off of route 55 and muhlig road. Lot is level at consists of light woods. Seller is cutting in driveway along with opening up spot for a home site. Short drive to town for shopping or head down 55 toward the neversink for fishing along with other activities down 55 in the state park area. Hiking, fishing, parks and more.

  

  Jason Grossman

  KW Hudson Valley United

  55 State St, Liberty, NY 12754
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  $625,000 Lot/Land

  1433 County Route 56 Ln, Mountain Dale, NY 12779

  • 45.45 Acres
  • $13,751 per Acre

  Discover the ultimate off-grid retreat in this stunning 45-acre woodland property, perfectly situated just outside of Mountaindale. This idyllic haven features two functional off-grid cabins, each equipped with solar and generator power, full kitchens, bathrooms, and bedrooms. Enjoy the convenience of a carport and ample storage sheds. Imagine building your dream home on the southern slope,

  

  Alla Sienitsky

  Resort Realty

  1433 County Route 56 Ln, Mountain Dale, NY 12779
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  $39,900 Lot/Land

  Lot 303 Old Tacy Rd, Bethel, NY 12720

  • 2 Acres
  • $19,950 per Acre

  This Property Is Mostly Level And Wooded With 297' Of Road Frontage And A Nice Stream That Winds Through One Side Of The Land. Located In The Town Of Bethel, Close To Rt 17B And Bethel Woods Center For The Arts, This Is A Great Place To Build Your Dream Home! Priced To SELL! Come Take A Look Today!

  

  Dawn Curreri

  EAGLE VALLEY REALTY

  Lot 303 Old Tacy Rd, Bethel, NY 12720
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  $120,000 Lot/Land

  0 Mongaup Rd Unit KEY977951, Thompson, NY 12701

  • 9.46 Acres
  • $12,685 per Acre

  Exceptional Lakefront Opportunity in Monticello!Rare chance to own lakefront property on a beautiful private fishing lake of approximately 8 acres, ideally located between Sackett Lake and Swinging Bridge Lake in the Monticello area. The offering includes two dry parcels with direct lake access, providing exceptional flexibility for future use.Whether you envision building two homes to

  

  Alla Sienitsky

  Resort Realty

  0 Mongaup Rd Unit KEY977951, Thompson, NY 12701
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  $37,500 Lot/Land

  Unlisted Address

  • 3.7 Acres
  • $10,135 per Acre

  Tucked away on scenic Ski Run Road in the Town of Mamakating, this exceptional parcel offers a rare blend of natural beauty, privacy, and dramatic topography. Boasting expansive road frontage, the property provides excellent access and flexibility for future development. A picturesque stream winds through the lower portion of the land, creating a peaceful ravine setting that enhances the

  

  Alla Sienitsky

  Resort Realty

  Unlisted Address
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  $625,000 Lot/Land

  Lot 2 Woodstone Trail, Smallwood, NY 12737

  • 5.65 Acres
  • $110,619 per Acre

  This stunning home site, adjacent to Lot 1, consists of lush forests full of evergreens and hardwoods. However, the change in elevation allows for 2 home sites. The first site is close to the 413’ of Lake Frontage that is facing north to the mountains and surrounded by mature trees. The second site, much higher, allows for longer views with a gravel driveway to the water below. An old carriage

  

  Christine Vande Vrede

  Chapin Sotheby's Intl Rlty

  Lot 2 Woodstone Trail, Smallwood, NY 12737
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  $275,000 Manufactured Home

  23 Spring St, Monticello, NY 12701

  • 3 Beds
  • 2 Baths
  • 1,421 Sq Ft

  NEW CONSTRUCTION RANCH IN MONTICELLO!!! Discover this brand new, fully built 3 bedroom, 2 bathroom Ranch home, ideally located in the Town of Thompson and within the Monticello School District. Conveniently situated just minutes from local shops, dining, parks, and major routes including Route 17, making commuting and travel simple and accessible. The location is just the beginning, this

  

  Richard Baxter

  Keller Williams Realty

  23 Spring St, Monticello, NY 12701
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  $1,550,000 Custom Home

  55 Chapin Trail, Bethel, NY 12720

  • 4 Beds
  • 4 Baths
  • 3,569 Sq Ft

  Just 90 minutes from New York City, this custom 4-bedroom, 4-bathroom ranch residence set on 5+ private acres offers a rare balance of craftsmanship, scale, and pastoral beauty. Designed to capture both light and landscape, the home welcomes you with towering windows in the kitchen and main living spaces, where expansive views of open land and sky become part of the daily experience. Inside, the

  

  Elizabeth Bernitt

  Century 21 Geba Realty

  55 Chapin Trail, Bethel, NY 12720
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  $275,000 Manufactured Home

  165 Park Ave, Monticello, NY 12701

  • 3 Beds
  • 2 Baths
  • 1,421 Sq Ft

  NEW CONSTRUCTION RANCH IN MONTICELLO!!! Discover this brand new, fully built 3 bedroom, 2 bathroom Ranch home, ideally located in the Town of Thompson and within the Monticello School District. Conveniently situated just minutes from local shops, dining, parks, and major routes including Route 17, making commuting and travel simple and accessible. The location is just the beginning, this

  

  Richard Baxter

  Keller Williams Realty

  165 Park Ave, Monticello, NY 12701
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  $275,000 Manufactured Home

  43 Pinehurst Dr, Liberty, NY 12754

  • 3 Beds
  • 2 Baths
  • 1,421 Sq Ft

  NEW CONSTRUCTION RANCH IN LIBERTY SCHOOLS!!! Discover this brand new, fully built 3 bedroom, 2 bathroom Ranch home, ideally located in the Town of Liberty and within the Liberty School District. Conveniently situated just minutes from local shops, dining, parks, and major routes including Route 52 and Route 17 for easy commuting. The location is just the beginning, this beautiful home is packed

  

  Richard Baxter

  Keller Williams Realty

  43 Pinehurst Dr, Liberty, NY 12754
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  $275,000 Manufactured Home

  45 Pinehurst Dr, Liberty, NY 12754

  • 3 Beds
  • 2 Baths
  • 1,342 Sq Ft

  NEW CONSTRUCTION RANCH IN LIBERTY SCHOOLS!!! Discover this brand new, fully built 3 bedroom, 2 bathroom Ranch home, ideally located in the Town of Liberty and within the Liberty School District. Conveniently situated just minutes from local shops, dining, parks, and major routes including Route 52 and Route 17 for easy commuting. The location is just the beginning, this beautiful home is packed

  

  Richard Baxter

  Keller Williams Realty

  45 Pinehurst Dr, Liberty, NY 12754
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  $1,050,000 Custom Home

  57 Haddock Rd, Monticello, NY 12701

  • 4 Beds
  • 3.5 Baths
  • 3,156 Sq Ft

  Luxury Colonial Retreat in the Countryside the Catskills in MonticelloStep into timeless elegance with this newly built Colonial-style estate, nestled in a serene country setting on 5 cares, paved estate driveway. Designed to blend classic charm with modern sophistication, this home offers the perfect escape from city life while delivering upscale comfort.Home Features: 4 spacious

  

  Alla Sienitsky

  Resort Realty

  57 Haddock Rd, Monticello, NY 12701
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  $12,000 Lot/Land

  0 Fourth Cir Unit KEY972501, Rock Hill, NY 12775

  • 11,425 Sq Ft
  • $45,749 per Acre

  An excellent investment opportunity in Rock Hill, NY to own a .24-acre paper lot within the highly desirable Emerald Green community in Sullivan County. The adjacent lot is available to enhance investment opportunity . Buyers have the flexible option to join the Emerald Green HOA, providing access to premier amenities such as three lakes, a newly renovated pool complex, a clubhouse, a fitness

  

  Alla Sienitsky

  Resort Realty

  0 Fourth Cir Unit KEY972501, Rock Hill, NY 12775
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  $99,900 Lot/Land

  0 Hall Rd, Neversink, NY 12740

  • 1 Acre
  • $99,900 per Acre

  This is your chance to build exactly what you want—from front porch to floor plan—on a clear 1-acre lot in Grahamsville, Town of Neversink, Sullivan County. Start from scratch, put light where it matters, and build a home that truly fits you.The land is open and inviting—easy to imagine where the morning sun will spill across your kitchen, how a great room can slide to a deck for golden-hour

  

  Brian Caplicki

  KW Hudson Valley United

  0 Hall Rd, Neversink, NY 12740
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  $99,000 Lot/Land

  0 Wolf Pond Rd, Mamakating, NY 12790

  • 35,283 Sq Ft
  • $122,222 per Acre

  At 0.81 acres, this is one of the larger vacant lots available within the Wolf Lake community, meaningfully above the community average, giving a buyer real flexibility in how a home is positioned, how privacy is created, and what the footprint of the project looks like. Percolation testing completed by licensed engineer in June 2025 returned results within NYSDOH-acceptable parameters,

  

  Matthew Morreale

  J. Morreale, LTD

  0 Wolf Pond Rd, Mamakating, NY 12790
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  $150,000 Lot/Land

  42 Concord Rd, Kiamesha Lake, NY 12751

  • 2 Acres
  • $75,000 per Acre

  Prime Kiamesha Lake Location – Endless Possibilities Location truly matters, and this 2-acre level parcel across the road from Kiamesha Lake offers exceptional opportunity. Ideally positioned directly across from the lake and adjacent to the new Garnet Health Urgent Care, this property sits in one of the area’s most active and rapidly developing corridors. The land is level and Prime Kiamesha

  

  Alla Sienitsky

  Resort Realty

  42 Concord Rd, Kiamesha Lake, NY 12751
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  $49,000 Lot/Land

  0 Taylor Rd Unit KEY1021055, Mountain Dale, NY 12763

  • 1.9 Acres
  • $25,789 per Acre

  Build Your Catskills Dream: 1.9 Acres in Vibrant Mountaindale!Escape to Sullivan County and bring your architectural vision to life on this beautiful 1.90-acre parcel located on peaceful Taylor Road. Offering the quintessential Catskills experience, this property features its own private, small pond near edge of property—creating a serene focal point for a possible future home, wrap-around

  

  Donna Reese

  KW Hudson Valley United

  0 Taylor Rd Unit KEY1021055, Mountain Dale, NY 12763
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  $20,000 Lot/Land

  0 New York 42 Unit KEY993227, Fallsburg, NY 12733

  • 19,998 Sq Ft
  • $43,563 per Acre

  Build your dream home on this desirable 0.45 -acre vacant lot with municipal water and sewer available but needs to be verified. The property is upland and then level , offering an excellent building site with open views overlooking state-owned fields, providing privacy and a scenic backdrop. A large, established subdivision lies beyond, adding long-term value while preserving the open

  

  Alla Sienitsky

  Resort Realty

  0 New York 42 Unit KEY993227, Fallsburg, NY 12733
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  $59,900 Lot/Land

  Lot 1.35 W Shore Rd, Bethel, NY 12720

  • 2.64 Acres
  • $22,689 per Acre

  Bethel: 2.64+/- acres of raw land. A private road leads to the top of the hill, where you will find this lovely property, lightly wooded with mature trees, set in a very private setting with some countryside views. Deed restrictions for a single-family home and a garage. Deed restrictions are available upon request. Hard-to-find property, so please do not drive by.

  

  Dawn Curreri

  Eagle Valley Realty

  Lot 1.35 W Shore Rd, Bethel, NY 12720
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  $650,000 Lot/Land

  X Wilderness Trail, Forestburgh, NY 12777

  • 84.95 Acres
  • $7,652 per Acre

  This 84.95 acre property can be your own private secluded oasis, surrounded by 6,580 acres of New York State DEC protected land known as the Neversink River Unique Area. Perfect for hiking, hunting, four wheeling, or just enjoying nature in peace and privacy. Take a relatively short hike down the Wilderness Trail to the Fish Hatchery Trail leading to the Neversink River. Gated entrance from

  

  Joseph Paoli

  Howard Hanna Rand Realty

  X Wilderness Trail, Forestburgh, NY 12777
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  $59,500 Lot/Land

  0 Chelsea Ln Unit KEY937861, Thompson, NY 12775

  • 12,148 Sq Ft
  • $213,338 per Acre

  Beautiful lot is a prime opportunity to build your dream home or vacation retreat. The lot offers a flat, buildable footprint surrounded by mature trees. Modern infrastructure is already in place, ensuring a clean aesthetic and ease of development. Located in the Emerald Green is a 1,400-acre private lake community designed for year-round enjoyment.

  

  Alla Sienitsky

  Resort Realty

  0 Chelsea Ln Unit KEY937861, Thompson, NY 12775
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  $49,999 Lot/Land

  0 Highview Dr Unit KEY957110, Bethel, NY 12720

  • 26,240 Sq Ft
  • $83,000 per Acre

  Build Your Dream Home in Bethel! This .60-acre lot is tucked into an established residential neighborhood with a Bethel address, offering a great opportunity to bring your home plans to life. Located just minutes from Mountain Lake, you’ll enjoy easy access to swimming, boating, fishing, and year-round outdoor activities. A perfect spot for those looking for a peaceful setting while still being

  

  Karen Briscoe-Reed

  KW MidHudson

  0 Highview Dr Unit KEY957110, Bethel, NY 12720
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  $95,000 Lot/Land

  0 Marsh Rd Unit KEY1010465, Fallsburg, NY 12738

  • 3.07 Acres
  • $30,945 per Acre

  Discover the perfect blend of natural beauty, privacy, and ready-to-build convenience on this stunning 3.07-acre parcel in the desirable Eagle View Estates community of Glen Wild, New York. A private dirt road leads you into this secluded property, where a tranquil pond reflects the dramatic mountainous rock formations that create a breathtaking backdrop year-round. Offering a diverse landscape,

  

  Joy Romano

  Joy Romano Realty

  0 Marsh Rd Unit KEY1010465, Fallsburg, NY 12738
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  $35,000 Lot/Land

  14 James Place, Kiamesha Lake, NY 12751

  • 2,178 Sq Ft
  • $700,000 per Acre

  A unique opportunity to build a new townhouse on a property where the previous structure was demolished. The foundation has already been laid, and the sale includes approved engineering plans for the new build. The parcel is located in kiamesha lake Patio homes development with amenities like the club, pool , playgrounds etc Centrally located near shopping centers, medical facilities, lakes and

  

  Alla Sienitsky

  Resort Realty

  14 James Place, Kiamesha Lake, NY 12751
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  $115,000 Lot/Land

  Lot 32 Woodstone Trail, Bethel, NY 12720

  • 5.26 Acres
  • $21,863 per Acre

  Here is surely the best opportunity to build your dream home on 5.26 private acres within the elegant sanctuary of Chapin Estates — a premier gated residential preserve celebrated for some of the East Coast’s most breathtaking natural beauty.Residents enjoy exceptional amenities, including a private lake club, sparkling lakes, trout streams, fishing, and miles of scenic hiking trails. Imagine

  

  Elizabeth Bernitt

  Century 21 Geba Realty

  Lot 32 Woodstone Trail, Bethel, NY 12720
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  $185,000 Lot/Land

  Lot 68 Shore Rd, Swan Lake, NY 12783

  • 1.21 Acres
  • $152,893 per Acre

  Beautiful lakefront parcel on Swan Lake perfect for swimming, fishing, and recreational use. Nearly 400' of lake frontage and only 2 Hours NYC. Close to area amenities and within 30 minutes to Bethel Woods for music venues, Sullivan Catskills, Katrite water park, snow skiing, farmers markets and area lakes and streams. A beautiful spot on the Lake to spend the day fishing, kayaking, canoeing or

  

  Donna Geba

  Century 21 Geba Realty

  Lot 68 Shore Rd, Swan Lake, NY 12783
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  $1,297,500 Custom Home

  123 Wildwood Way, Forestburgh, NY 12777

  • 5 Beds
  • 5 Baths
  • 3,885 Sq Ft

  Overlooking a crystal-clear spring-fed pond and bordering hundreds of acres of New York State land, this exceptional mini-estate offers privacy, flexibility, and an unparalleled lifestyle in the Sullivan County Catskills. Thoughtfully designed and beautifully appointed, the property includes a recently completed 3,800+ square-foot residence, a large outbuilding with studio apartment and workshop,

  Carol Malek Malek Properties, Inc.

  123 Wildwood Way, Forestburgh, NY 12777
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  $989,000 Custom Home

  32 Long Farm Way, Callicoon, NY 12723

  • 4 Beds
  • 3.5 Baths
  • 2,544 Sq Ft

  Welcome to ''Long Farm''. Begging to be the backdrop of your most memorable moments, this newly constructed custom designed home is your country house dream come true. Perfectly set back off a quiet country road and perched on a knoll on 5+ acres with fabulous meadow and mountain views from nearly every room, this one checks all the boxes. 4 BR's 3.5 BA's, primary bedroom with gorgeous bath and

  Carol Malek Malek Properties, Inc.

  32 Long Farm Way, Callicoon, NY 12723
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  $735,000 Custom Home

  140 Country Rd, Callicoon, NY 12723

  • 3 Beds
  • 2 Baths
  • 1,540 Sq Ft

  There is new construction to make a quick buck, and there is new construction that is thoughtfully designed and pridefully constructed to create a home that can last a lifetime. This modern home with an elegant, rustic twist is certainly the latter and just what you are looking for if you want a home combining simplicity with soul. That blend is difficult to get right but here that marriage of

  Travis O'Dell Land and Water Realty LLC

  140 Country Rd, Callicoon, NY 12723
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  $679,000 Custom Home

  129 Nelson Rd, Hankins, NY 12741

  • 3 Beds
  • 3 Baths
  • 3,000 Sq Ft

  New Construction on 5.58 Private Acres with Mountain ViewsIf you've been looking for privacy without sacrificing modern comfort, this home deserves a look. Set on 5.58 acres in the Catskills, it offers beautiful mountain views, quality craftsmanship, and the peace that comes with owning your own piece of the countryside.Inside, the open floor plan is bright and inviting with vaulted

  William Williams Century 21 Geba Realty

  129 Nelson Rd, Hankins, NY 12741
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  $949,000 Custom Home

  53 Land and Lakes Trail, Cochecton, NY 12726

  • 4 Beds
  • 3 Baths
  • 2,100 Sq Ft

  Welcome to Kenoza Hollow, a serene and stylish haven sited privately within the gated community of Kenoza Lake Estates. This newly constructed home offers a peaceful sanctuary nestled among mature trees, just a minutes from your deeded lake access. Vaulted ceilings and expansive picture windows flood the home with natural light, giving the space a warm glow even on grey days. Thoughtful

  Megan Kinealy Country House Realty, Inc.

  53 Land and Lakes Trail, Cochecton, NY 12726
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  $949,000 Custom Home

  53 Land and Lakes Trail, Kenoza Lake, NY 12750

  • 4 Beds
  • 3 Baths
  • 2,100 Sq Ft

  Welcome to Kenoza Hollow, a serene and stylish haven sited privately within the gated community of Kenoza Lake Estates. This newly constructed home offers a peaceful sanctuary nestled among mature trees, just a minutes from your deeded lake access. Vaulted ceilings and expansive picture windows flood the home with natural light, giving the space a warm glow even on grey days. Thoughtful

  Megan Kinealy Country House Realty Inc

  53 Land and Lakes Trail, Kenoza Lake, NY 12750
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  $1,120,000 Custom Home

  167 Timber Lake Dr, Eldred, NY 12732

  • 3 Beds
  • 3 Baths
  • 2,815 Sq Ft

  Summer camp, all grown up. A new construction release from Beyond the Black Box, Timber Lake is a contemporary residence inspired by the relaxed optimism of classic midcentury lake houses. The home balances modern architecture with natural materials, handcrafted details, and a warm, collected aesthetic that feels established from day one. Arriving beneath a generous roofline, a welcoming entry

  Erica Keberle Anatole House LLC

  167 Timber Lake Dr, Eldred, NY 12732
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  $849,900 Custom Home

  1227 Gulf Rd, Callicoon Center, NY 12724

  • 3 Beds
  • 3 Baths
  • 3,720 Sq Ft

  Welcome to Stonegate House. Set back from the road at the end of a strikingly gated driveway, this delightful home is perched on a knoll overlooking its own private pond. The spacious interior offers that sought-after chalet vibe with a modern flair. Open and airy, with expansive windows that showcase the surrounding scenery, this property certainly checks all the boxes for the discerning buyer.

  Carol Malek Malek Properties, Inc.

  1227 Gulf Rd, Callicoon Center, NY 12724
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  $789,000 Custom Home

  204 Country Rd, Callicoon, NY 12723

  • 3 Beds
  • 2 Baths
  • 1,664 Sq Ft

  Are you tired of every house in this area looking the same-old, same-old dark color? Well, this brand-new build is a breath of fresh air! Gorgeous 3 BR/2bath custom contemporary sits on 5.25 acres in Callicoon, white in color with black trim. It really pops, and looks so different than those cookie-cutters, yet thoroughly modern! Constructed by one of the premiere builders in our area, JIT

  Lynne Freda Matthew J Freda Real Estate

  204 Country Rd, Callicoon, NY 12723
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  $294,000 Manufactured Home

  317 Debruce Rd, Livingston Manor, NY 12758

  • 3 Beds
  • 2 Baths
  • 1,166 Sq Ft

  BRAND NEW DOUBLE WIDE MOBILE HOME on beautiful half acre+ of land only minutes to downtown Livingston Manor. Beautiful neutral palette choices and an extremely calming layout. 3 bedrooms and 2 full bathrooms including a primary en suite. Dedicated laundry area. Natural beauty surrounds this home with seasonal views of the Willowemoc River. Public parking and fly fishing access to the Willowemoc

  David Elder Carole Edwards Realty

  317 Debruce Rd, Livingston Manor, NY 12758
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  $1,250,000 Custom Home

  301 Reyer Rd, Narrowsburg, NY 12764

  • 4 Beds
  • 3 Baths
  • 4,700 Sq Ft

  The Preserve House is a custom timber-frame residence completed in 2025, set on five private acres bordering more than 1,300 acres of protected land just minutes from Narrowsburg. Encompassing 4,700 square feet, this architect-designed home features four bedrooms, three full bathrooms, a dedicated office, home theater, high-end golf simulator, and covered carport, combining exceptional

  Jill Borenstein Anatole House LLC

  301 Reyer Rd, Narrowsburg, NY 12764
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  $949,900 Custom Home

  39 Woodstone Trail, Mongaup Valley, NY 12762

  • 3 Beds
  • 2.5 Baths
  • 2,450 Sq Ft

  *New Construction Let us bring your vision to life—your home, your way.Nestled within the prestigious Swinging Bridge section of Chapin Estates, this exceptional property offers a rare blend of rustic elegance and refined luxury. Located just two hours from New York City and minutes from Bethel Woods Center for the Arts, Resorts World Catskills, the Kartrite Indoor Waterpark and Award-winning

  Jennifer Dunn Keller Williams Realty

  39 Woodstone Trail, Mongaup Valley, NY 12762

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