Sullivan County TN Houses for Sale

• 

  

  

  /51

  $695,000

  • 1 Bed
  • 1 Bath
  • 625 Sq Ft

  455 Okey Mowell Rd, Kingsport, TN 37660

  Rustic Charm Meets Outdoor Paradise - One-Bedroom Custom Brick Cabin on 84 Acres Backing National ForestTucked away in a serene, storybook setting, this one-of-a-kind custom brick cabin offers the perfect blend of rustic elegance and modern comfort—situated on a breathtaking 83+ acre tract that borders the National Forest. Whether you're looking for a private getaway, a peaceful homestead, or a

  Shana Wilcox CENTURY 21 LEGACY

  455 Okey Mowell Rd, Kingsport, TN 37660
• 

  

  

  /49

  $399,900

  • 4 Beds
  • 2.5 Baths
  • 3,024 Sq Ft

  206 Windmere Place, Kingsport, TN 37664

  **** PRICE IMPROVEMENT! ****Welcome to this distinctive 4 Bedroom, 2 1/2 Bath home in one of the most desirable, well-established neighborhoods in Colonial Heights. This spacious, well-maintained home offers the rare blend of retro character and classic charm. From the moment you enter, you will appreciate the thoughtful layout that sets this home apart. The beautiful flagstone entry will

  DONNA STONE Greater Impact Realty Kingsport

  206 Windmere Place, Kingsport, TN 37664
• 

  

  

  /83

  $449,000

  • 4 Beds
  • 3 Baths
  • 3,152 Sq Ft

  1236 Nassau Dr, Kingsport, TN 37660

  Welcome to this beautifully remodeled 4 bedroom, 3 bathroom home, ideally located in the heart of Kingsport! With 3,100 sq ft of living space, this home offers a perfect blend of modern updates and comfort. All updates within the last 2 years include a new roof, new gutters, new windows, new heat pump, new plumbing, and a complete interior remodel.Upstairs, you'll find 3 spacious bedrooms,

  Heather Gardner Southern Dwellings

  1236 Nassau Dr, Kingsport, TN 37660
• 

  

  

  /60

  $500,000

  • 3 Beds
  • 2 Baths
  • 1,972 Sq Ft

  3321 Cottage Green Ct, Kingsport, TN 37664

  This Ranch home sits at the top of the hill in the cul-de-sac of Edinburgh. Edinburgh S/D features sidewalks and an elementary school and pavilion with a pool. The home features a nice open layout with Dining room, living room and a kitchen with a granite island. Off the living room is a covered patio perfect for relaxing. The primary bedroom and bath have a large walk in closet. On the

  Aaron Taylor Highlands Realty Bristol

  3321 Cottage Green Ct, Kingsport, TN 37664
• 

  

  

  /51

  $230,000

  • 2 Beds
  • 2 Baths
  • 1,281 Sq Ft

  515 Aesque St, Kingsport, TN 37665

  This two-bedroom cottage is an absolute gem! Sitting on a little over half an acre, this home offers privacy with city amenities! You will love this practically brand new home (built in 2023)! The open concept design creates a spacious and welcoming atmosphere, perfect for relaxing or entertaining guests. And let's talk about those bedrooms and bathrooms! They're large and comfortable, giving you

  Amy Duncan Century 21 Legacy Fort Henry

  515 Aesque St, Kingsport, TN 37665
• 

  

  /67

  $855,000

  • 5 Beds
  • 4.5 Baths
  • 4,307 Sq Ft

  2001 Springfield Ave, Kingsport, TN 37664

  Discover the ultimate retreat in this stunning 5-bedroom, 4.5-bathroom home, perfectly situated in the prestigious Tellico Hills community. Meticulously updated with impeccable attention to detail, this home boasts: Master suite on the main level with cozy fireplace, Second master suite on the upper level, Convenient main-level office Gourmet kitchen with island, top-of-the-line stainless

  Amy Duncan Century 21 Legacy Fort Henry

  2001 Springfield Ave, Kingsport, TN 37664
• 

  

  /38

  $352,900

  • 3 Beds
  • 3 Baths
  • 2,225 Sq Ft

  125 Amhurst Ln, Bristol, TN 37620

  OPEN HOUSE THIS SATURDAY JULY 19 1-3 PM ASK ABOUT FREE 1 YEAR HOME WARRANTY FOR PEACE OF MIND *MOTIVATED SELLER* *PRICE DROP* Immaculate well maintained brick home in desirable Collingwood Subdivision. Conveniently located to Steele Creek Park, Hard Rock Casino, Pinnacle, Hospital and downtown Bristol TN/VA. The long covered Front Porch features attractive lighting and creates great curb appeal.

  Michael Dillow CENTURY 21 DIAMOND REAL ESTATE

  125 Amhurst Ln, Bristol, TN 37620
• 

  

  /35

  $265,000

  • 3 Beds
  • 2 Baths
  • 1,688 Sq Ft

  484 Pleasant Hill Rd, Blountville, TN 37617

  Charming 3-Bedroom Home on a Wooded 0.4-Acre Lot Near Tri-Cities Airport and West Ridge High School.Welcome to this peaceful retreat nestled on a quiet, wooded lot just minutes from Tri-Cities Airport. This inviting 3-bedroom, 2-bathroom home offers over 1,600 square feet of comfortable living space, perfect for those seeking a blend of privacy and convenience.Situated on a gently

  Whitney Estepp KW Johnson City

  484 Pleasant Hill Rd, Blountville, TN 37617
• 

  

  /28

  $399,900

  • 3 Beds
  • 2 Baths
  • 1,625 Sq Ft

  171 Brighton Place, Bristol, TN 37620

  Welcome to this stunning modern turn-key home nestled on a beautifully landscaped corner lot in the highly sought-after Brighton Place subdivision! Built in 2021 and impeccably maintained by one owner, this 3-bedroom, 2-bathroom residence offers all the ease of one-level living with upscale finishes and custom touches throughout. Step inside to find hardwood floors flowing seamlessly through the

  Randy Rose The Addington Agency Bristol

  171 Brighton Place, Bristol, TN 37620
• 

  

  /37

  $245,000

  • 3 Beds
  • 2 Baths
  • 1,801 Sq Ft

  1700 Ridgeway Dr, Kingsport, TN 37664

  Beautiful 3 bedroom, 2 bath adorable cottage with over 1,800 finished square feet centrally located and convenient to Kingsport or Blountville. Walk in the back door to an oversized living room with soaring ceilings and then a spacious kitchen and dining room. Three bedrooms on the main level along with a convenient hallway bathroom and a master bedroom with a master bath. Go downstairs and

  Michael Adkins Blue Ridge Properties Col Hgts

  1700 Ridgeway Dr, Kingsport, TN 37664
• 

  

  /32

  $349,900

  • 3 Beds
  • 2.5 Baths
  • 1,930 Sq Ft

  524 Robindale Ln, Kingsport, TN 37663

  Recently updated one level brick ranch home in great location. The property features a large living room with dining room attached. The kitchen has new LVP that opens into a large den with an oversized fireplace. Down the hallway are two bedrooms and a large bath with double vanity. Additionally, you will find a third bedroom with an attached bathroom. Off the den is a mudroom with a half

  Andrew Poe East TN Real Estate & Appraisal

  524 Robindale Ln, Kingsport, TN 37663
• 

  

  /89

  $485,000

  • 5 Beds
  • 3 Baths
  • 2,430 Sq Ft

  28 Kingsbridge, Bristol, TN 37620

  **Open House June 21st 1pm - 3pm** This beautifully maintained lakefront 5-bedroom, 3-bathroom ranch-style home offers 2,430 sq ft of single-level living. Situated on a 0.44-acre lot in the sought-after Middlebrook subdivision that offers an assortment of amenities and just minutes from downtown Bristol Tennessee. The home features an open-concept layout with a double-sided fireplace,

  DAN WALLACE KW Bristol

  28 Kingsbridge, Bristol, TN 37620
• 

  

  /52

  $730,000

  • 5 Beds
  • 3.5 Baths
  • 2,769 Sq Ft

  145 Grande Harbor Way, Blountville, TN 37617

  Experience the perfect blend of modern updates and luxurious outdoor living in this stunning 5-bedroom, 4-bathroom home located in the prestigious Grande Harbor community. Situated on a spacious 0.44-acre lot, this residence boasts 2,750 square feet of thoughtfully designed living space.Key Features: • Recent Upgrades: Enjoy peace of mind with a brand-new roof, energy-efficient windows, and a

  Eric Kistner Bridge Pointe Real Estate Jonesborough

  145 Grande Harbor Way, Blountville, TN 37617
• 

  

  /50

  $479,000

  • 3 Beds
  • 2.5 Baths
  • 2,676 Sq Ft

  390 Springdale Dr, Bristol, TN 37620

  Welcome to this beautifully maintained ONE LEVEL 3bd/2.5 ba home set on a 1.03 acre peaceful stretch of rolling fields w/stunning mountain views. From the moment you arrive, the large porch invites you to sit back, relax and take in the serene East Tennessee landscape! Step inside to find hardwood floors throughout w/ceramic tile in baths, a spacious LR w/gas log FP and a formal DR w/ built-in

  Erika Santucci Coldwell Banker Security Real Estate

  390 Springdale Dr, Bristol, TN 37620
• 

  

  /45

  $899,900

  • 4 Beds
  • 4.5 Baths
  • 3,587 Sq Ft

  5541 Hester Ct, Piney Flats, TN 37686

  Welcome to your dream home where luxury, comfort, and nature meet. Offering over 4500 sq. ft. quality, This 4 to 5 bedroom, 4.5 bath home is nestled on a peaceful and private 1.07 acres with beautiful mature trees. This home offers a perfect blend of modern living with serene countryside charm and is move in ready. Step inside to find an open-conceptfloor plan flooded with natural light. The

  Pam Addington-Wagner A Team Real Estate Professionals

  5541 Hester Ct, Piney Flats, TN 37686
• 

  

  /50

  $589,900

  • 3 Beds
  • 3.5 Baths
  • 4,437 Sq Ft

  144 Windmere Place, Kingsport, TN 37664

  Welcome to Windmere Place, where this spacious, custom-built gem is hitting the market for the very first time! Nestled on a large 3/4-acre lot with a circle driveway and oversized, side-entry two-car garage, this 4,500 sq. ft. homehas been thoughtfully designed for both everyday living and entertaining.Conveniently located in Kingsport, this home offers easy access to downtown, Colonial

  Jim Griffin LPT Realty - Griffin Home Group

  144 Windmere Place, Kingsport, TN 37664
• 

  

  /96

  $865,000

  • 6 Beds
  • 5.5 Baths
  • 6,250 Sq Ft

  246 Worthington Dr, Kingsport, TN 37663

  Sitting on just under 2.5 acres, this all brick custom built 1 owner home has lots to offer! A ranch style home with beautiful hardwood floors running throughout the main level. The main level also includes 4 bedrooms, 4.5 bathrooms, laundry room/mud room, foyer, large formal dining room, family room, office/sunroom, kitchen, and a 3 car garage. The spacious primary suite has a fireplace, 2

  Billy Miller Property Executives Johnson City

  246 Worthington Dr, Kingsport, TN 37663
• 

  

  /30

  $365,000

  • 3 Beds
  • 2.5 Baths
  • 1,924 Sq Ft

  5821 Seneca Dr, Kingsport, TN 37664

  Welcome to this beautifully maintained 3 bedroom, 2.5 bathroom home that is truly move-in ready and turn-key! Located in the heart of the Tri-Cities, this home offers the perfect blend of modern updates and everyday comfort, just minutes from Tri-Cities Airport, Johnson City, and Bristol. Step inside to find a stylish updated kitchen featuring newer appliances, an eat-in dining area, and

  Kathryn Boggs Metcalf Conservus Homes

  5821 Seneca Dr, Kingsport, TN 37664
• 

  

  /27

  $220,995

  • 3 Beds
  • 1 Bath
  • 1,130 Sq Ft

  1318 Willow St, Kingsport, TN 37664

  This 3 bedroom 1 bath home is move in ready in Downtown Kingsport, TN. It is updated and ready for you! With newer flooring, an updated bathroom and kitchen, newer plumbing, and an oversized primary bedroom. It has a fully gated yard, covered front porch with a front storm door. The living room and dining are open concept and the kitchen is updated with granite counter tops, new cabinets and

  KEVIN BEAR Weichert Realtors Saxon Clark KPT

  1318 Willow St, Kingsport, TN 37664
• 

  

  /52

  $225,000

  • 2 Beds
  • 2 Baths
  • 1,560 Sq Ft

  153 Columbine Rd, Kingsport, TN 37660

  Live Like You're on Vacation Every DayEnjoy resort-style living with an impressive array of community amenities, including an Olympic-sized swimming pool, clubhouse, tennis courts, driving range, basketball and pickleball courts, a playground, fitness center, scenic lakes, and open green spaces with ponds, benches, a gazebo, and tranquil walking trails.This charming two-bedroom,

  Donna Lampkins KW Kingsport

  153 Columbine Rd, Kingsport, TN 37660
• 

  

  /49

  $399,000

  • 4 Beds
  • 3 Baths
  • 2,514 Sq Ft

  4534 Brookridge Dr, Kingsport, TN 37664

  Immerse yourself in the peaceful ambiance of Preston Hills as you approach this charming home nestled at the end of Brookridge Drive. Offering a serene and secluded setting in this walkable neighborhood, this residence provides a tranquil retreat from the hustle and bustle of everyday life. Step out onto the screened porch from the eat-in kitchen, ideal for enjoying al fresco dining and soaking

  Tiara Szczepan KW Johnson City

  4534 Brookridge Dr, Kingsport, TN 37664
• 

  

  /33

  $274,900

  • 3 Beds
  • 2.5 Baths
  • 1,608 Sq Ft

  441 Merman Rd, Kingsport, TN 37663

  This charming family home is nestled in a well-established neighborhood in Colonial Heights, offering both convenience and comfort. Just minutes away from everyday amenities and major highways, it's ideally located for easy living. The main level features spacious living areas, while the partially finished basement provides extra storage and potential. Step outside to a large back deck, perfect

  Rachel Lyons Century 21 Legacy Fort Henry

  441 Merman Rd, Kingsport, TN 37663
• 

  

  /29

  $235,000

  • 3 Beds
  • 1.5 Baths
  • 1,443 Sq Ft

  1228 Harrison Ave, Kingsport, TN 37665

  Completely remodeled from the studs up, this stunning home at 1228 Harrison Avenue offers all the benefits of new construction while preserving its classic charm! Featuring brand new windows, roof, doors, electrical, plumbing, and more—every detail has been thoughtfully updated. The main level includes 2 bedrooms, 1 full bath, a gorgeous kitchen, and a welcoming living room, while the lower level

  Makenna Hoffman Property Executives Johnson City

  1228 Harrison Ave, Kingsport, TN 37665
• 

  

  /52

  $545,000

  • 3 Beds
  • 2 Baths
  • 1,829 Sq Ft

  3329 Cottage Green Ct, Kingsport, TN 37664

  Perched atop the summit of Edinburgh subdivision at the back of a cul-de-sac with no one behind you, this is the spot you want. The single-level home features an efficient open-concept, split-bedroom floor plan with a full unfinished basement for future expansion below. The main level has luxury vinyl plank flooring throughout the living areas and bedrooms with 24'' ceramic tile in the

  Seth Jervis eXp Realty, LLC

  3329 Cottage Green Ct, Kingsport, TN 37664
• 

  

  /29

  $434,900

  • 3 Beds
  • 3 Baths
  • 2,430 Sq Ft

  861 Cedar Branch Rd, Kingsport, TN 37664

  This beautifully maintained 3-bedroom, 3 full bath split-level home, built in 2020, sits on a generous 1.52-acre lot. Inside, you'll find a spacious open-concept layout with engineered hardwood flooring on the main level and durable LVP downstairs—perfect for modern living. The covered back porch overlooks a fully fenced backyard, ideal for entertaining, pets, or play. With contemporary finishes

  Brett Williams Matt Smith Realty

  861 Cedar Branch Rd, Kingsport, TN 37664
• 

  

  /66

  $519,900

  • 4 Beds
  • 3 Baths
  • 2,932 Sq Ft

  3493 Weaver Pike, Bristol, TN 37620

  This custom-built 4BR/3BA home sits on a scenic 1.32-acre corner lot in the county, just minutes from Holston River, South Holston Lake, and Hwy 394. You'll love living with all four seasons—spring blooms, fall color, peaceful winters, and summer nights lit by fireflies. The open kitchen connects seamlessly to flexible living and dining spaces, with room to tailor areas for formal or casual

  Henry Denton The Addington Agency Bristol

  3493 Weaver Pike, Bristol, TN 37620
• 

  

  /37

  $299,000

  • 3 Beds
  • 2 Baths
  • 1,500 Sq Ft

  420 Gustavis Ave, Kingsport, TN 37664

  Remodeled Kitchen • 2 Full Bathrooms • Versatile Basement Living SpaceThis move-in-ready home is full of charm and modern updates! The main level features 3 comfortable bedrooms, a remodeled bathroom, a spacious living room, and a bright kitchen with new granite countertops, new stainless steel appliances, new cabinetry and hardware, and a large stainless farmhouse sink—great for everyday use and

  Kelsey Bartley Weichert Realtors Saxon Clark KPT

  420 Gustavis Ave, Kingsport, TN 37664
• 

  

  /33

  $259,000

  • 3 Beds
  • 1.5 Baths
  • 1,350 Sq Ft

  416 Ridgefields Rd, Kingsport, TN 37660

  Great opportunity to own a home in Ridgefields. 3 bedroom 1 full bathroom and a 1/2 bath large back deck and an out building setting on .60 +- acre.

  Edward Grindstaff Integrity Property Group

  416 Ridgefields Rd, Kingsport, TN 37660
• 

  

  /79

  $369,990

  • 3 Beds
  • 3 Baths
  • 2,644 Sq Ft

  513 Woodmere Dr, Kingsport, TN 37663

  Charming 3 Bedroom, 3 Bath Home in Desirable Colonial Heights!Welcome to this beautifully maintained home located in the heart of Colonial Heights. Featuring 3 spacious bedrooms and 3 full baths, this move-in ready gem offers both comfort and style.You'll love the added primary suite, complete with a stunning bathroom and a generously sized walk-in closet—a perfect private retreat. The home is

  TYLER RAMEY The Property Experts JC

  513 Woodmere Dr, Kingsport, TN 37663
• 

  

  /52

  $1,100,000 Open Thu 4PM - 6PM

  • 5 Beds
  • 6 Baths
  • 6,326 Sq Ft

  651 Rangewood Rd, Piney Flats, TN 37686

  Framed by dense East Tennessee forestry on one side and open water on the other, this nearly three-acre estate offers a rare balance of privacy, presence, and possibility. Level, cleared land provides room to grow, while its location, just minutes from Johnson City and Winged Deer Park, delivers everyday convenience without city taxes or restrictions. The home is thoughtfully designed to blur the

  Elizabeth Snyder Weichert Realtors Saxon Clark JC

  651 Rangewood Rd, Piney Flats, TN 37686
• 

  

  /111

  $329,900

  • 4 Beds
  • 2.5 Baths
  • 2,282 Sq Ft

  15 Crown Cir, Kingsport, TN 37660

  Welcome to 15 Crown Circle, a peaceful and well-maintained home nestled in a private courtyard in the highly desirable Crown Colony community.This move-in ready property features a main-level primary suite, large upstairs bedrooms, and an inviting layout that balances comfort and functionality. The home offers plenty of natural light, a cozy den with a fireplace, and scenic wooded views

  Alan McInturff THE BROKERS REALTY & AUCTION, INC.

  15 Crown Cir, Kingsport, TN 37660
• 

  

  /49

  $589,000

  • 3 Beds
  • 3.5 Baths
  • 3,615 Sq Ft

  2021 Westwind Dr, Kingsport, TN 37660

  Welcome to this truly wonderful home in the heart of Ridgefields, one of Kingsport's most desirable neighborhoods. Just minutes from the golf course and offering full city amenities, this home blends timeless design with thoughtful updates throughout.Step inside the front door to a marble foyer that sets the tone for the quality you'll find throughout the home. The newly enclosed garage

  Jessica Brooks Epique Realty

  2021 Westwind Dr, Kingsport, TN 37660
• 

  

  /75

  $450,000

  • 5 Beds
  • 3 Baths
  • 2,842 Sq Ft

  629 Buffalo Rd, Blountville, TN 37617

  Two Homes in One — Income-Producing Airbnb with nearby Boone Lake Access!This fully updated brick ranch offers two complete living spaces under one roof—ideal for house hacking, multi-generational living, or investment. Live on one level while the other helps pay your mortgage, or turn both into either long/mid/short-term rentals to further your investment portfolio. The main level

  Alexa Hicks True North Real Estate

  629 Buffalo Rd, Blountville, TN 37617
• 

  

  /77

  $560,000

  • 4 Beds
  • 3 Baths
  • 2,856 Sq Ft

  319 Hickory Tree Rd, Bristol, TN 37620

  Discover your perfect retreat with this first-time-on-the-market solid brick ranch home, nestled on 5 picturesque acres featuring breathtaking mountain views. This charming property offers a peaceful country lifestyle with modern conveniences and nearby amenities.Highlights include: Spacious 4 Bedrooms & 3 Bathrooms - ample room for family and guests, Bright Sunroom - perfect for relaxing and

  Kevin Sheffield Vylla Home

  319 Hickory Tree Rd, Bristol, TN 37620
• 

  

  /39

  $289,000

  • 3 Beds
  • 2.5 Baths
  • 1,704 Sq Ft

  4524 June Dr, Kingsport, TN 37664

  JUST REDUCED!!!Fantastic move in ready 3 bedroom, 2.5 bath home in the heart of Kingsport sitting on over 1/2 acre. Walk in the front door to a good size sunken living room and go straight into a nice size dining area which joins the kitchen and leads to a covered concrete patio out back. 3 carpeted bedrooms on the main level and a good size primary bedroom and bath. You will find on the lower

  Michael Adkins Blue Ridge Properties Col Hgts

  4524 June Dr, Kingsport, TN 37664
• 

  

  /6

  $74,999

  • 1,767 Sq Ft

  222 Emmett St, Kingsport, TN 37665

  Attention Investors! Perfect opportunity for a flip or rental investments. Block walls and concrete slab, this is a blank canvas for your imagination. Bring your toolbelt and make it shine! All information is taken from seller or third party, buyer/buyer's agent to verify.

  Scott Albright KW Johnson City

  222 Emmett St, Kingsport, TN 37665
• 

  

  /48

  $240,000

  • 4 Beds
  • 2 Baths
  • 1,950 Sq Ft

  1583 Rock Springs Rd, Kingsport, TN 37664

  New Roof just installed by Vanderpool Roofing. Come check out this this 4 bd 2 bath home in the Rock Springs community. Home is being sold to settle estate. Carrier 3.5ton HVAC installed in 2023. Buyer to verify all information. Home being sold as is. Old motorhome and car will be removed prior to closing. Information deemed reliable but not guaranteed. Buyer or Buyers agent to verify all

  Aaron Taylor Highlands Realty Bristol

  1583 Rock Springs Rd, Kingsport, TN 37664
• 

  

  /79

  $399,899

  • 3 Beds
  • 2.5 Baths
  • 2,546 Sq Ft

  137 Columbine Rd, Kingsport, TN 37660

  Summer is here folks and it's 1000 degrees out there! You could be lounging by the pool with your friends like you are living at a resort. This home has custom cabinetry by Bennie Van Der Berg in the kitchen, keeping room/breakfast area, and living room! . The living room floods light with tons of windows and features soaring ceilings and a working wood burning fireplace which can easily be

  Pete Adams Coldwell Banker Security Real Estate

  137 Columbine Rd, Kingsport, TN 37660
• 

  

  /60

  $849,900

  • 3 Beds
  • 2.5 Baths
  • 2,570 Sq Ft

  2114 Bloomingdale Rd, Kingsport, TN 37660

  Take advantage of the great PRICE IMPROVEMENT!! This property is rare opportunity indeed! The chance to own a beautiful, custom built, very well cared for home and have an income generated business literally in your front door rarely comes along! This single-level, all brick 3 Bedroom, 2 1/2 Bath home was custom built and treasured by the current owners family and has been meticulously

  DONNA STONE Greater Impact Realty Kingsport

  2114 Bloomingdale Rd, Kingsport, TN 37660
• 

  

  /35

  $182,500

  • 4 Beds
  • 2 Baths
  • 1,456 Sq Ft

  1689 Jefferson Ave, Kingsport, TN 37664

  PRICE IMPROVEMENT! Conveniently located Kingsport location situated on a very large lot with plenty room for expansion. This 4-bedroom ,2 bath home is ideal for the growing family. Some owner financing available.

  Bob Quillen Bob Quillen Realtors

  1689 Jefferson Ave, Kingsport, TN 37664

Showing Results 321 - 360, Page 9 of 13