Newest Homes for Sale in Collier Township, PA

• 

  

  

  /15

  $335,000

  • 2 Beds
  • 1.5 Baths
  • 1,080 Sq Ft

  20 S 18th St, Pittsburgh, PA 15203

  Welcome to 20 South 18th Street, a beautifully updated 2 bedroom, 1.5 bath townhouse located in the heart of Pittsburgh’s South Side. This charming home features a renovated kitchen with stainless steel appliances, sleek cabinetry, and plenty of counter space. The bright and open layout flows effortlessly into the living/dining area and private deck, perfect for entertaining or relaxing at home.

  Andrew Klima HOWARD HANNA REAL ESTATE SERVICES

  

  20 S 18th St, Pittsburgh, PA 15203
• 

  

  

  /30

  $469,000

  • 2 Beds
  • 2 Baths
  • 1,470 Sq Ft

  301 5th Ave Unit 719, Pittsburgh, PA 15222

  Residence 719 at Piatt Place offers luxury condominium living in the heart of Downtown Pittsburgh. This southeast-corner unit features an open floor plan, exceptional natural light, and expansive city skyline views through floor-to-ceiling windows. A rare highlight is the large private terrace with a gas grill hookup. The interior layout includes a spacious primary suite with an en-suite bath and

  Racheallee Lacek PIATT SOTHEBY'S INTERNATIONAL REALTY

  

  301 5th Ave Unit 719, Pittsburgh, PA 15222
• 

  

  

  /23

  $125,000

  • 2 Beds
  • 1 Bath
  • 1,000 Sq Ft

  2845 Glendale Ave, Pittsburgh, PA 15227

  Move-in ready 2 bed & 1 full bath brick townhome filled with charm, updates, and convenience. Spacious rooms throughout . Beautiful hardwood floors in the living and dining rooms . Stainless steel appliances in the kitchen . Nice size lower level with finishing potential. storage, and laundry . Large deck off the dining room with great views . BONUS: 2 off-street parking spaces . Close to the

  Susan Ulam COLDWELL BANKER REALTY

  

  2845 Glendale Ave, Pittsburgh, PA 15227
• 

  

  

  /30

  $259,900

  • 3 Beds
  • 1.5 Baths
  • 1,503 Sq Ft

  1151 Greentree Rd, Pittsburgh, PA 15220

  Discover this truly unique & beautifully crafted home featuring a stunning windowed atrium creating a warm, airy space full of natural light. Custom kitchen is chef’s dream: pro-grade gas stove, white shaker cabinets, granite counters, marble backsplash, mobile island & under-cabinet lighting was thoughtfully designed. Gleaming red oak hardwood floors flow through spacious LR & DR. ML powder room

  Angie Flowers COLDWELL BANKER REALTY

  

  1151 Greentree Rd, Pittsburgh, PA 15220
• 

  

  

  /6

  $27,500

  • 3 Beds
  • 1 Bath
  • 1,292 Sq Ft

  830 Frank St, Mc Kees Rocks, PA 15136

  Investor friendly. Home is in need a full-rehab.

  

  Yvette Carey

  VYLLA HOME

  (412) 725-2310

  

  830 Frank St, Mc Kees Rocks, PA 15136
• 

  

  /34

  $159,000

  • 3 Beds
  • 1 Bath
  • 1,179 Sq Ft

  400 Broadway Ave, Mc Kees Rocks, PA 15136

  Baby, it's cold outside! So step inside & fall in love with this beautifully refreshed 3-bedroom, 1 bath charmer serving up modern comfort with classic neighborhood convenience & just minutes from Downtown Pittsburgh. Check out the brand-new plank flooring, soft neutral color palette, & plush new carpeting that instantly make the space feel warm & inviting. The sparkling galley kitchen is

  Jessica Milko COLDWELL BANKER REALTY

  

  400 Broadway Ave, Mc Kees Rocks, PA 15136
• 

  

  /24

  $127,500

  839 Hober Ave, Mc Kees Rocks, PA 15136

  Duplex in Stowe Twp. Great Investment Property and cash flow potential. Tenants pay gas and electric. Both units are occupied and building will cashflow from day one. Large covered front porch. Rear covered porches for both units overlooking the Level yard with a 2 car detached garage. Great corner lot with lots of additional parking. Close to public transportation, shopping, downtown Pittsburgh

  Alex Deacon DEACON & HOOVER REAL ESTATE ADVISORS LLC

  

  839 Hober Ave, Mc Kees Rocks, PA 15136
• 

  

  /29

  $25,000

  • 3 Beds
  • 1.5 Baths
  • 1,986 Sq Ft

  3061 Chartiers Ave, Pittsburgh, PA 15204

  Investor Special! This Chartiers property offers a full rehab opportunity with great potential. Built in 1880, the home needs complete renovation and is ideal for investors or buyers looking to customize. Convenient location near downtown and major routes. Sold as-is. Buyer to perform all due diligence.

  Daniel Demers SELL YOUR HOME SERVICES

  

  3061 Chartiers Ave, Pittsburgh, PA 15204
• 

  

  /50

  $310,000

  • 4 Beds
  • 3 Baths
  • 1,772 Sq Ft

  102 Secane Ave, Pittsburgh, PA 15211

  Welcome to this bright, spacious, stylish 3-story historic home in the heart of Mt. Washington! You will love the beautiful hardwood floors, trim accents and additional side porches to connect to large yard and outdoors. Just about 2 miles from Downtown Pittsburgh, you’ll enjoy easy access to the city’s top attractions, Grandview Avenue overlooks and the Duquesne/Monongahela Inclines. This

  Caroline Barrett Douglass REALTY ONE GROUP PLATINUM

  

  102 Secane Ave, Pittsburgh, PA 15211
• 

  

  /50

  $548,880 Open Sun 2PM - 4PM

  • 3 Beds
  • 3.5 Baths
  • 1,740 Sq Ft

  118 Bailey Ave, Pittsburgh, PA 15211

  Live the Mt Washington lifestyle in this newly renovated three-bedroom, four-bathroom, home on Bailey Ave with multiple partial views of the city. The home has a one car garage and additional off-street parking in the driveway. The main level has a stylish foyer, hardwood & tile floors, large living room and dining room, modern kitchen with quartz counter tops and lots of natural light from the

  Jeremy Mulder REALTY CONNECT

  

  118 Bailey Ave, Pittsburgh, PA 15211
• 

  

  /17

  $189,900

  1720 Broadway Ave, Pittsburgh, PA 15216

  High demand area of Beechview. Located right on the trolly line for easy transportation. This 2 unit has stable tenants in place and is under rented. All brick construction and conveniently located close to Downtown Pittsburgh and the Airport. Walking distance to shops and entertainment. This Beechview Duplex is a great investment opportunity for an owner occupant to live in one unit and let the

  Alex Deacon DEACON & HOOVER REAL ESTATE ADVISORS LLC

  

  1720 Broadway Ave, Pittsburgh, PA 15216
• 

  

  /20

  $250,000

  505 Broadway Ave, Mc Kees Rocks, PA 15136

  Well maintained 4-Unit building in McKees Rocks. Good Investment Property.

  Alex Deacon DEACON & HOOVER REAL ESTATE ADVISORS LLC

  

  505 Broadway Ave, Mc Kees Rocks, PA 15136
• 

  

  /14

  $39,900

  • 3 Beds
  • 2 Baths
  • 1,670 Sq Ft

  2912 Merwyn Ave, Pittsburgh, PA 15204

  Looking for a project? Well you just found it!? Don't wait to come see this one! This property isn’t pretending to be anything it’s not — it needs work... a lot of work. The home is a true “bring your vision, tools and a dumpster” special, perfect for anyone ready to roll up their sleeves, renovate, or start fresh. the back yard is absolutely full of potential and would be a great space for a

  Nathan Miller REALTY ONE GROUP LANDMARK

  

  2912 Merwyn Ave, Pittsburgh, PA 15204
• 

  

  /26

  $475,000

  • 4 Beds
  • 2.5 Baths
  • 1,860 Sq Ft

  5202 Keystone St, Pittsburgh, PA 15201

  Welcome Home To 5202 Keystone St! This Beautifully Updated 3-Story Home Is Located In Pittsburgh’s Popular Lawrenceville Neighborhood! Inside You’ll Notice Sleek, Contemporary Flooring Throughout The Main Living Areas, Fresh Neutral Paint, And Abundant Natural Light From Large Windows. The Kitchen Has Been Thoughtfully Renovated With Modern Cabinetry, Quartz Countertops, Stainless Steel

  Giovanni Fedele KELLER WILLIAMS STEEL CITY

  

  5202 Keystone St, Pittsburgh, PA 15201
• 

  

  /25

  $265,000

  • 3 Beds
  • 2 Baths
  • 1,420 Sq Ft

  253 Southern Ave, Pittsburgh, PA 15211

  Welcome Home To 253 Southern Avenue! This Colonial-Style Home Is In A Prime Location In Pittsburgh’s Popular Mt. Washington Neighborhood. You Are Just Minutes From The Iconic Overlooks, Local Restaurants, Coffee Shops, And The Inclines, Offering Quick Access To Downtown Pittsburgh. Inside, The Living And Dining Areas Feature Generous Room Sizes And Large Windows That Fill The Space With Natural

  Giovanni Fedele KELLER WILLIAMS STEEL CITY

  

  253 Southern Ave, Pittsburgh, PA 15211
• 

  

  /35

  $379,000

  • 3 Beds
  • 2 Baths
  • 2,058 Sq Ft

  2201 Parklyn St, Pittsburgh, PA 15234

  Welcome to this beautiful 3 bed, 2 full bath, stone ranch, minutes from Downtown. Refreshed from top to bottom, this home offers modern style, with indoor/outdoor living spaces that are hard to find. Step inside to discover fresh paint, new light fixtures, new doors with hardware, new trim and baseboards. The updated kitchen has ceramic tile flooring, new backsplash, stainless appliances, and

  Beth Ali COLDWELL BANKER REALTY

  

  2201 Parklyn St, Pittsburgh, PA 15234
• 

  

  /42

  $225,000

  • 3 Beds
  • 2.5 Baths
  • 1,466 Sq Ft

  3704 Grant St, Pittsburgh, PA 15234

  Ever dreamed of having Castle Shannon's biggest playground and park as your neighbor? Make that dream a reality by moving just two doors down from Hamilton Park! 3704 Grant is located mere yards from the newly installed playground. But that’s not all—this delightful 1 1/2 story home offers so much more! Enjoy the convenience of single-floor living with the main bedroom, laundry, full bath, and

  Jacob Cofini REALTY ONE GROUP PLATINUM

  

  3704 Grant St, Pittsburgh, PA 15234
• 

  

  /22

  $274,900

  • 3 Beds
  • 2.5 Baths

  33 Pius St, Pittsburgh, PA 15203

  Welcome Home To 33 Pius St! This Charming Three-Story Home In Pittsburgh’s Southside Slopes Offers A 3 Bedroom, 2.5 Bath Layout With Stylish Updates Throughout. Inside, You’ll Find An Updated Kitchen With Sleek Cabinetry, Granite Countertops, And Stainless Steel Appliances. The Bathrooms Feature Fresh Tilework And Contemporary Fixtures, Creating A Clean, Refreshed Look. Natural Light Flows

  Giovanni Fedele KELLER WILLIAMS STEEL CITY

  

  33 Pius St, Pittsburgh, PA 15203
• 

  

  /23

  $475,000

  • 3 Beds
  • 2 Baths
  • 1,725 Sq Ft

  5208 Keystone St, Pittsburgh, PA 15201

  Welcome to this beautifully renovated 3 bed 2 full bath home! Just a stones throw from the Lawrenceville action, this 3 story home offers modern amenities, comfort and convenience. Upon entry, you will be greeted with a spacious yet comfy living space, sleek chefs kitchen with quartzite counters, stainless steel appliances and a large pantry. Entertain seamlessly in a private dining room just off

  Nettie Moore HOWARD HANNA REAL ESTATE SERVICES

  

  5208 Keystone St, Pittsburgh, PA 15201
• 

  

  /33

  $499,999 Open Sun 12PM - 2PM

  • 3 Beds
  • 4 Baths
  • 1,650 Sq Ft

  415 Serpentine Dr, Pittsburgh, PA 15243

  Welcome to 415 Serpentine Drive, a beautifully preserved Tudor Revival home blending timeless character with modern updates. Set on one of Mt. Lebanon’s most picturesque streets, this home features classic steep rooflines, rich detailing, hardwood floors, and a warm, inviting atmosphere. The bright, open layout includes 3 bedrooms and 4 bathrooms, an expansive great room, and an updated kitchen

  Jackie Horvath HOWARD HANNA REAL ESTATE SERVICES

  

  415 Serpentine Dr, Pittsburgh, PA 15243
• 

  

  /48

  $299,500

  1524 Froman St, Pittsburgh, PA 15212

  Spacious triplex in a quiet part of the beautiful Pittsburgh neighborhood of Troy Hill! The front entrance of the original construction leads to a 1BR/1B on the first floor with a huge kitchen and basement access. Up the stairs from the entrance takes you to a HUGE 3BR/1B unit with its own laundry, soaring ceilings, and original features. Both units have side decks. Around back you'll find a

  James Lanigan COMPASS PENNSYLVANIA, LLC

  

  1524 Froman St, Pittsburgh, PA 15212
• 

  

  /22

  $179,900

  • 3 Beds
  • 1 Bath
  • 1,080 Sq Ft

  20 Haberman Ave, Pittsburgh, PA 15211

  Welcome to this charming 3-bedroom, 1-bath home in the heart of Mt. Washington! Ideally located within walking distance of Shiloh Street’s restaurants, shops, and local attractions, this home offers comfort and convenience. Step into a cozy living room that flows naturally into the dining area and kitchen, creating an inviting layout. Relax on the spacious front porch—perfect for porch sitting—or

  Madison Korn COMPASS PENNSYLVANIA, LLC

  

  20 Haberman Ave, Pittsburgh, PA 15211
• 

  

  /31

  $299,000

  • 3 Beds
  • 2 Baths
  • 1,152 Sq Ft

  510 Augusta St, Pittsburgh, PA 15211

  Welcome Home To 510 Augusta St! This Three Bedroom Brick Home Is Located On A Quiet Residential Street In Pittsburgh’s Mt. Washington Neighborhood. This Property Features An Integral Garage And The Rear Yard Is Fully Fenced In With A Brick Patio And Additional Fencing Around The Front Yard And Porch. Inside, The Finished Basement Offers A Family Room Feel With Recessed Lighting And A Full

  Giovanni Fedele KELLER WILLIAMS STEEL CITY

  

  510 Augusta St, Pittsburgh, PA 15211
• 

  

  /43

  $305,000

  • 4 Beds
  • 2.5 Baths
  • 1,700 Sq Ft

  92 Skyvue Dr, Pittsburgh, PA 15234

  Located in Whitehall & serviced by Baldwin/Whitehall School District, this spacious 4 bedroom home offers bright & open living spaces with a flexible floorplan. The spacious great room features a fireplace & dining area. The step saving eat-in kitchen offers wood cabinetry & ample prep space. The larger family room provides additional living space on the main level along with access to the back

  Amanda Gomez RE/MAX SELECT REALTY

  

  92 Skyvue Dr, Pittsburgh, PA 15234
• 

  

  /26

  $180,000

  • 2 Beds
  • 2.5 Baths

  714 Cherokee St, Pittsburgh, PA 15219

  Located just 1 mile from Pitt's campus, this completely renovated and hyper-convenient city residence is the East End's best buy. Boasting 2 bedrooms—each with a private full bath—and one half bath, enjoy a flexible living arrangement attractive to roommates, investors, or owner-occupants alike. The main living room features broad-appeal finishes, while the adjoining dining room hosts access to

  Emily Fraser PIATT SOTHEBY'S INTERNATIONAL REALTY

  

  714 Cherokee St, Pittsburgh, PA 15219
• 

  

  /32

  $175,000

  • 4 Beds
  • 2 Baths

  216 Suncrest St, Pittsburgh, PA 15210

  This SOLID brick home offers timeless character with original woodwork, hardwood floors throughout, and beautiful stained-glass windows. A spacious foyer leads to a bright living room with two built-in shelving nooks, a large dining room, and a flexible den or office! The kitchen provides great workspace with lots of cabinetry, a decorative backsplash, a bright window over the sink, and new

  Ariel Harat RE/MAX REAL ESTATE SOLUTIONS

  

  216 Suncrest St, Pittsburgh, PA 15210
• 

  

  /30

  $625,000

  • 3 Beds
  • 2.5 Baths
  • 2,280 Sq Ft

  159 44th St, Pittsburgh, PA 15201

  Welcome to 159 44th Street, an impeccably maintained home in the in the heart of Lawrenceville! This four level home offers three stories of private decks, open concept dining, abundance of natural light, high ceilings and modern updates. The second floor provides a spacious primary suite, walk-in closet, full bath, den and aforementioned private deck. The lower level boasts a finished laundry

  Annie Mastriano HOWARD HANNA REAL ESTATE SERVICES

  

  159 44th St, Pittsburgh, PA 15201
• 

  

  /50

  $223,000

  223 Natchez St, Pittsburgh, PA 15211

  Excellent opportunity for investors, owner-occupants seeking rental income, or those looking to return it to an Airbnb. This well-kept up-down duplex features first floor, 1-bedroom, 1-bath unit, while the second floor offers a spacious 2-bed, 1-bath layout. A shared laundry room with a coin-operated washer and dryer is conveniently located at the back of the second-floor unit. The property has

  Michele Leone PIATT SOTHEBY'S INTERNATIONAL REALTY

  

  223 Natchez St, Pittsburgh, PA 15211
• 

  

  /10

  $399,000

  5154 Butler St, Pittsburgh, PA 15201

  Fantastic opportunity to own a versatile mixed-use property in the heart of Lawrenceville’s Butler Street corridor. The ground floor offers a leased commercial storefront occupied by a long-term civic tenant, providing immediate and reliable income. The upper level features a renovated one-bedroom apartment of approximately 1,000 sq ft, showcasing modern finishes, abundant natural light, and a

  shay dalal COMPASS PENNSYLVANIA, LLC

  

  5154 Butler St, Pittsburgh, PA 15201
• 

  

  /26

  $199,900

  • 3 Beds
  • 1.5 Baths
  • 1,333 Sq Ft

  614 Ridgemont Dr, Pittsburgh, PA 15220

  Adorable, entry level cape cod with welcoming front porch. Hardwood floors, neutral colors. Updated kitchen with quartz counter tops and stainless steel appliances. First floor bedroom with hallway full bathroom. Flexible floor space - could be a den or 4th bedroom. Upstairs are two bedrooms and a half bath. Basement has large storage area and oversized garage. Fenced in yard. Conveniently

  Kassie Cable HOWARD HANNA REAL ESTATE SERVICES

  

  614 Ridgemont Dr, Pittsburgh, PA 15220
• 

  

  /36

  $290,000

  1809 Rialto St, Pittsburgh, PA 15212

  Located in the heart of Troy Hill, just minutes to Downtown, Rt 28, 279, the Strip District, and Allegheny General Hospital, this duplex offers two separate 2-bedroom units with strong rental potential. Unit 1 is fully updated and occupied by a long-term tenant. Unit 2 is vacant, clean, and ready for a new tenant. The property features a rear deck, fenced backyard, and easy street parking, making

  Yaron Feldberg COLDWELL BANKER REALTY

  

  1809 Rialto St, Pittsburgh, PA 15212
• 

  

  /13

  $55,000

  • 2 Beds
  • 1 Bath
  • 1,088 Sq Ft

  1030 Grand Ave, Pittsburgh, PA 15212

  Solid 2 bedroom 1 Bath Property in Marshal Shadeland. Potential to add 3rd bedroom and half bath. Bring this property back to life as your next rental or flip.Great location just minutes from Downtown, North Shore and Riverview Park. AS-IS

  Jason Zalin REALTY CO LLC

  

  1030 Grand Ave, Pittsburgh, PA 15212
• 

  

  /25

  $225,000 Open Sun 2PM - 4:30PM

  • 3 Beds
  • 1 Bath
  • 1,242 Sq Ft

  1237 Tennessee Ave, Pittsburgh, PA 15216

  Beautifully updated 3-bedroom, 1-bath brick home in the heart of Dormont! From the moment you arrive, the inviting covered front porch sets the tone. Step inside to a bright and welcoming living room filled with natural light. The decorative fireplace & updated flooring create a warm, cozy atmosphere. The spacious dining room features another decorative fireplace and a lovely stained-glass

  Ahmed Mansour BERKSHIRE HATHAWAY THE PREFERRED REALTY

  

  1237 Tennessee Ave, Pittsburgh, PA 15216
• 

  

  /28

  $285,000

  • 3 Beds
  • 2 Baths
  • 1,284 Sq Ft

  235 Cherrydell Dr, Pittsburgh, PA 15220

  Welcome to this beautifully maintained 3-bedroom, 2-bath home in desirable Scott Township, located in the Chartiers Valley School District! This move-in ready home features brand new carpeting, an updated kitchen with modern finishes, and beautifully renovated bathrooms. Bright and inviting throughout, it offers both comfort and functionality. Conveniently situated just minutes from major

  Afrah Abdulkader HOWARD HANNA REAL ESTATE SERVICES

  

  235 Cherrydell Dr, Pittsburgh, PA 15220
• 

  

  /11

  $19,850

  • 3 Beds
  • 1 Bath
  • 2,363 Sq Ft

  619 Frederick St, Mc Kees Rocks, PA 15136

  Discover the potential in this spacious 3-bedroom home located at 619 Frederick St in McKees Rocks. Perfect forinvestors or buyers looking for a project, this property offers a solid layout and great opportunity to add value with someTLC. The main level includes a living room, dining area, and kitchen with access to the rear yard. Upstairs features threenicely sized bedrooms and a

  Myles Mazzanti MILESTONE REALTY

  

  619 Frederick St, Mc Kees Rocks, PA 15136
• 

  

  /25

  $260,000

  • 3 Beds
  • 1.5 Baths

  1140 Arkansas Ave, Pittsburgh, PA 15216

  Discover this adorable three-bedroom, one-and-a-half bath brick home that blends classic charm with modern updates. The newly renovated kitchen boasts stunning white cabinetry, quartz countertops, a spacious island, and brand-new appliances— ideal for both everyday living and entertaining.Enjoy the fresh new flooring and contemporary paint throughout, while the beautifully tiled bathroom adds

  Viktor Sizov COLDWELL BANKER REALTY

  

  1140 Arkansas Ave, Pittsburgh, PA 15216
• 

  

  /38

  $425,000

  1117 Freyburg St, Pittsburgh, PA 15203

  Bolster your rental portfolio in 2026 with this amazing triplex located right in the heart of South Side. Blocks away from E Carson St and 1 mile from Duquesne University, this well cared for and updated property will be sure to take your real estate portfolio to the next level. Each unit has its own personality with specific features that will attract any renter looking for quality city living.

  Luke O'Brien CARLSON & ASSOCIATES, INC.

  

  1117 Freyburg St, Pittsburgh, PA 15203
• 

  

  /31

  $245,000

  3226-3228 Richardson Ave, Pittsburgh, PA 15212

  Whether you're looking to add to your investment portfolio, or you're looking to owner-occupy your space with the added bonus of a tenant in the second unit, you've arrived at the right place! This side-by-side duplex has a brand-new roof and the vacant unit at 3226 has been totally renovated top to bottom with the inclusion of a new full bathroom, updated kitchen with resurfaced cabinets, new

  

  Erica Newport

  NULF REAL ESTATE

  (412) 754-7348

  

  3226-3228 Richardson Ave, Pittsburgh, PA 15212
• 

  

  /33

  $249,900 Open Sun 2PM - 4PM

  • 3 Beds
  • 1 Bath
  • 1,232 Sq Ft

  1213 McNeilly Ave, Pittsburgh, PA 15216

  Completely renovated and beautifully updated, this stunning two-story colonial welcomes you with a level-entry design and a spacious covered front porch. Step inside and fall in love with the bright, airy living room featuring gleaming hardwood floors, a white-washed fireplace accented by an authentic barn-beam mantle, and an eye-catching staircase. Perfect for holiday gatherings, the open and

  John Adair COLDWELL BANKER REALTY

  

  1213 McNeilly Ave, Pittsburgh, PA 15216
• 

  

  /9

  $18,000

  • 2 Beds
  • 1 Bath
  • 1,130 Sq Ft

  240 Noblestown Rd, Carnegie, PA 15106

  Investor Special! This 2 Bed 1 Bath row house has great investment potential. Perfect opportunity for someone looking to acquire property for a full restoration, or someone looking for the lot value. Conveniently located right off of interstate 376 and a quick 10 minute drive into downtown Pittsburgh. Located in Chartiers Valley School District.

  Kevin Walton EXP REALTY LLC

  

  240 Noblestown Rd, Carnegie, PA 15106

Showing Results 81 - 120, Page 3 of 18