Duplex for Sale in California

• 

  

  

  /20

  $949,000

  Open Tue 11AM - 2PM

  • 2 Beds
  • 2 Baths
  • 1,426 Sq Ft

  1560 Morton Ave, Los Angeles, CA 90026

  In the heart of Echo Park, this charming Spanish duplex sits on a dream corner lot, stepped up from the street and gated for privacy amid mature landscaping and hedging. One unit is delivered vacant and is a great opportunity for an owner-user, offering rich period details including hardwood floors, original molding, beautiful built-ins, and cottage-style picture windows. The kitchen features

  Tracy Do Coldwell Banker Realty

  1560 Morton Ave, Los Angeles, CA 90026
• 

  

  

  /25

  $349,999

  • 4 Beds
  • 2 Baths
  • 1,300 Sq Ft

  3439 Arthur Ave, Mojave, CA 93501

  Solid investment opportunity in Mojave. This well maintained duplex sits on a 5,662 square foot lot with 1,300 square feet of living space and offers two 2 bedroom, 1 bath units featuring granite countertops, newer shaker style cabinets, updated tile flooring, and central heat and air throughout. One unit is currently leased and generating income, while the second is vacant, giving a buyer

  Joanna Garcia Segovia Real Estate Group

  3439 Arthur Ave, Mojave, CA 93501
• 

  

  

  /40

  $1,499,000

  $301K PRICE DROP

  • 6 Beds
  • 4 Baths
  • 2,758 Sq Ft

  1950 Oak Grove Rd, Walnut Creek, CA 94598

  *DUPLEX: 2 UNITS: 1950 & 1952: Rare opportunity to own a spacious, 2-STORY DUPLEX in one of Walnut Creek's most desirable neighborhoods with *NO HOA*. Both units are 2-story, sharing only ONE WALL. One vacant residence and one tenant-occupied residence, this versatile property presents an exceptional opportunity for both owner-occupants and investors seeking flexibility, rental income, and

  Lisa Caldwell Re/max Accord

  1950 Oak Grove Rd, Walnut Creek, CA 94598
• 

  

  /2

  $875,000

  • 4 Beds
  • 2 Baths
  • 1,904 Sq Ft

  13526 28 Sunshine Ave, Whittier, CA 90605

  Pictures coming Soon! PROPERTY TO BE SOLD CONCURRENTLY WITH ADJACENT DUPLEX AT 13530-32 SUNSHINE AVE. MLS PTP2606033 SELLER INTENDS TO SELL BOTH PROPERTIES TOGETHER. PURCHASE OF THIS PROPERTY IS CONDITIONED UPON THE CONCURRENT PURCHASE AND CLOSING OF THE ADJACENT PROPERTY. BOTH TRANSACTIONS MUST CLOSE CONCURRENTLY. Buyer and Buyer's Agent to independently verify all information, including but not

  Christina Rounds Encore Realty

  13526 28 Sunshine Ave, Whittier, CA 90605
• 

  

  

  /4

  $300,000

  • 5 Beds
  • 3 Baths
  • 2,217 Sq Ft

  3705 E Iowa Ave, Fresno, CA 93702

  A unique investment opportunity awaits at 3705 E Iowa Avenue! This established income-producing property features two separate homes situated on one large lot, offering flexibility and excellent potential for an investor seeking multiple rental streams.Originally built in 1910, the property offers approximately 2,217 square feet of combined living space on an expansive lot of approximately

  Crystal Ansay DIAMOND REALTORS

  3705 E Iowa Ave, Fresno, CA 93702
• 

  

  /12

  $48,500

  $21K PRICE DROP

  • Land
  • 4,791 Sq Ft
  • $440,909 per Acre

  126 Neptune Dr, Shelter Cove, CA 95589

  Embrace the potential of this conveniently located property that presents an exciting opportunity for those seeking a development opportunity in a prime location. Tranquil ocean views create a serene atmosphere, perfect for relaxation and inspiration. Situated on 1/10 of an acre, this lot is centrally located and in close proximity to Shelter Cove's eateries and beaches! It is zoned multifamily

  Kristina Deloury TOP Properties

  

  126 Neptune Dr, Shelter Cove, CA 95589
• 

  

  /10

  $369,999

  • 645 Sq Ft

  7709 Florence St, Lamont, CA 93241

  Amazing investment opportunity or live in one unit and rent the other. 2 houses on one lot located in the city of Lamont, Ca. The back unit was recently constructed and is a 2 bedroom one bath featuring new ROOF, WINDOWS, kitchen, flooring, bath central AC/Heat, and OWNED solar. The back unit is rented out for $1450. The front unit is a 3 bedroom one bath that is already producing income at

  Francisco Martinez LPT Realty, Inc.

  7709 Florence St, Lamont, CA 93241
• 

  

  /41

  $1,540,000

  $110K PRICE DROP

  • 5 Beds
  • 4 Baths
  • 1,970 Sq Ft

  5454/5456 Russo Dr, San Jose, CA 95118

  Exceptional investment opportunity to own a well-maintained duplex in an ideal location. Tucked on a neighborhood street, yet close to major freeways and shopping, this versatile duplex features two thoughtfully designed units with great floor plans. The rear "owner's unit" feels more like a single family home with approximately 1150 square feet of living space plus an expansive, private

  Julie Ann Hedrick Cal-western Realty

  5454/5456 Russo Dr, San Jose, CA 95118
• 

  

  /22

  $1,299,000

  • 7 Beds
  • 4 Baths
  • 2,532 Sq Ft

  5112 N Sunflower Ave, Covina, CA 91724

  Covina Duplex Investment Opportunity! Exceptional opportunity to own a well-maintained duplex in one of Covina's most desirable neighborhoods, just walking distance to the popular Glendora Public Market. Conveniently located within the highly sought-after Charter Oak Unified School District, this income-producing property also offers easy access to shopping, dining, parks, and major freeways,

  Art Acosta THE ASSOCIATES REALTY GROUP

  5112 N Sunflower Ave, Covina, CA 91724
• 

  

  /15

  $1,850,000

  • Studio
  • 3,086 Sq Ft

  341 Dumbarton Ave, Redwood City, CA 94063

  Rarely available newer-construction duplex in Redwood City, offering two spacious 3-bedroom, 2-bath residences with approximately 3,086 square feet of total living space on a 5,000sf lot. Built in 2009, this well-maintained property features comfortable, house-like floor plans, abundant natural light, hardwood and tile flooring, granite countertops, gas cooking, central heating, and convenient

  Nancy Shen Compass

  341 Dumbarton Ave, Redwood City, CA 94063
• 

  

  /43

  $1,900,000

  • 8 Beds
  • 12 Baths
  • 12,544 Sq Ft

  204 Rosebud Ln, St. Helena, CA 94574

  This sale can include 204, 232 & 256 Rosebud Lane to be sold together.They are three well-maintained apartment buildings in St. Helena, CA, or they can be sold separately. The purchase price reflects the price of 1 individual Four-plex. The properties consists of two buildings each with four units and one duplex building all 2 story, townhouse-style, totaling ten spacious residences. The units

  Tracy Warr Coldwell Banker Brokers of the

  

  204 Rosebud Ln, St. Helena, CA 94574
• 

  

  /6

  $769,900

  $52K PRICE DROP

  • 2 Beds
  • 2 Baths
  • 1,768 Sq Ft

  1723 Browning Blvd, Los Angeles, CA 90062

  Investors delight, this charming historic craftsman fixer, nestled in the heart of Los Angeles, pride to own a piece of property enjoying the conveniences of the city such as transportation, local businesses, major freeways, dining restaurants, near the most sought education entity USC, museums, shopping center.... must see to appreciate.

  JEFFREY LEE IRN REALTY

  1723 Browning Blvd, Los Angeles, CA 90062
• 

  

  /23

  $674,000

  $95K PRICE INCREASE

  • 4 Beds
  • 2 Baths
  • 2,135 Sq Ft

  2963 62nd Ave, Oakland, CA 94605

  Rare value-add duplex opportunity in Oakland. One unit is vacant and stripped to the studs, ready for redevelopment, while the second unit is owner-occupied. Excellent potential for rental income or multi-generational living after improvements. Sold as-is.

  Jamar Mears Square Feet Realty Group

  2963 62nd Ave, Oakland, CA 94605
• 

  

  /16

  $490,000

  $5K PRICE DROP

  • 4 Beds
  • 2 Baths
  • 1,636 Sq Ft

  8008 Loucreta Dr, Sacramento, CA 95828

  Each unit features 2 bedrooms and 1 bathroom with a comfortable, functional floor plan designed for everyday living. The vacant unit has been thoughtfully updated with fresh paint, newer flooring, and refreshed kitchen and bathroom finishes, creating a clean and inviting space ready for immediate occupancy. The adjacent unit is tenant-occupied, offering instant rental income from day one. Whether

  Ramen Lal Family Realty Group

  

  8008 Loucreta Dr, Sacramento, CA 95828
• 

  

  /41

  $1,249,000

  • 7 Beds
  • 4 Baths
  • 2,586 Sq Ft

  1562 W 31st St, Long Beach, CA 90810

  Rare vacant multi-unit opportunity in a highly desirable Westside Long Beach location featuring 4 separate living spaces , offering exceptional versatility for investors, owner-occupants, house hackers, or multi-generational living. The property consists of a front 2-bedroom, 1-bath home, an upper-level 2-bedroom, 1-bath unit, a newly constructed 1-bedroom, 1-bath ADU, and an additional

  John De Jesus Hernandez-Ball Keller Williams Realty

  1562 W 31st St, Long Beach, CA 90810
• 

  

  /9

  $799,000

  • 3 Beds
  • 2 Baths
  • 1,118 Sq Ft

  2933 S La Brea Ave, Los Angeles, CA 90016

  Great Investment opportunity a detached duplex featuring 2 houses on a lot, the front house a 2-bedroom 1-bath unit and the back house a separate 1 bedroom/studio 1-bath unit. The front residence is currently vacant, and the rear unit may be delivered vacant, offering flexibility for an owner-user, investor, or redevelopment strategy. Situated on a main thoroughfare near ongoing development, the

  Jamelle Dolphin 2F Realty

  2933 S La Brea Ave, Los Angeles, CA 90016
• 

  

  /10

  $2,500,000

  • 6 Beds
  • 4 Baths
  • 3,173 Sq Ft

  1440 Cardiff Ave, Los Angeles, CA 90035

  Exceptional Beverlywood-adjacent duplex located in the highly desirable Pico-Robertson neighborhood. The property features two spacious units totaling 6 bedrooms and 4 bathrooms, each offering generous living spaces, abundant natural light, and access to a large shared backyard. A detached garage provides additional storage, and the property also includes a detached recreation room with a

  Jacob Hausman The RFC Group

  1440 Cardiff Ave, Los Angeles, CA 90035
• 

  

  /15

  $1,249,900

  • 10 Beds
  • 9 Baths
  • 3,630 Sq Ft

  2705 S Normandie Ave, Los Angeles, CA 90007

  Immediate cash flow! Currently leased at $10,543/month through July 2027 with 7.98% cap rate, 9.88 GRM and ADU potential. We are pleased to offer the opportunity to acquire this high yield Duplex, featuring 10-bedroom + 9-bathroom Student Housing investment opportunity, blocks to the University of Southern California (USC). The duplex is approximately 3,630 rentable square feet on a 6,881 square

  Marry Luo Real Estate eBroker Inc.

  2705 S Normandie Ave, Los Angeles, CA 90007
• 

  

  /31

  $785,000

  • 4 Beds
  • 2 Baths
  • 1,410 Sq Ft

  512 Tennent Ave, Pinole, CA 94564

  Sweet Duplex in Pinole!! 2 blocks from Pinole's vibrant downtown. Duplex offers an owners unit in the rear which was Nicely updated (approx. 8 years ago). Front unit with long time tenant. 2 Car Garage currently used by owner. Sewer Line Compliant!! Tenants have off street parking on the driveway. Great rents! The City of Pinole is an Oasis tucked back on the East Bay Shoreline. This property is

  Ralph Watkins Iii

  512 Tennent Ave, Pinole, CA 94564
• 

  

  /42

  $1,490,000

  New Construction $40K PRICE INCREASE

  • 6 Beds
  • 5 Baths
  • 2,863 Sq Ft

  1231 S Rowan Ave, Los Angeles, CA 90023

  2026 BRAND NEW Luxury 3-Story Home + Income-Generating Unit!RARE OPPORTUNITY IN BOYLE HEIGHTS! Welcome to this stunning, multi-generational dual-residence property featuring a BRAND NEW (2026) 2,273 sqft 3-story back house and a charming 590 sqft front house with reliable income.THE MAIN RESIDENCE (Rear House):Experience modern luxury in this massive 4BR/4BA masterpiece. Designed with

  DAVID XU EXCELLENCE RE REAL ESTATE

  1231 S Rowan Ave, Los Angeles, CA 90023
• 

  

  /12

  $1,600,000

  $300K PRICE DROP

  • Land
  • 17,293 Sq Ft
  • $4,030,227 per Acre

  1513 York St, San Francisco, CA 94110

  Large North Slope Bernal Heights building site with tremendous views straight to downtown San Francisco. Offered with approved plans by Kerman Morris Architects for 10 luxurious view residences. Use this remarkable design concept or explore the revised state density legislation for up to 24 units! Approved plans would create 14,635 net square feet of townhomes and flats in 5 duplex buildings

  Tim Brown KW Advisors

  1513 York St, San Francisco, CA 94110
• 

  

  /3

  $1,025,000

  $75K PRICE DROP

  • 10 Beds
  • 6 Baths
  • 3,566 Sq Ft

  4422 S Wilton Place, Los Angeles, CA 90062

  GET SMART WITH REAL ESTATE and discover a newer Los Angeles duplex in the Vermont Square neighborhood with multiple paths to ownership, income and long-term value! FIRST-TIME HOME BUYERS, FHA BUYERS, OWNER-OCCUPANTS, HOUSE HACKERS AND INVESTORS should take a closer look at this 2-unit opportunity. For a qualified first-time home buyer or owner-occupant, the duplex configuration may offer the

  Donny Adams Keller Williams Hollywood Hills

  4422 S Wilton Place, Los Angeles, CA 90062
• 

  

  /8

  $899,000

  $40K PRICE DROP

  • 8 Beds
  • 4 Baths
  • 2,786 Sq Ft

  1510 W 227th St, Torrance, CA 90501

  Excellent Opportunity to Own a Duplex in Torrance with a great upside potential near Harbor UCLA medical Center and easy access to the 110 freeway. Both units are 4 bedrooms 2 bath.

  EZEQUIEL ACEVES GUY HOCKER REALTORS

  1510 W 227th St, Torrance, CA 90501
• 

  

  /50

  $1,100,000

  • 2 Beds
  • 1 Bath
  • 1,927 Sq Ft

  610 Stewart St, Santa Rosa, CA 95404

  Rare opportunity to own two distinct income-producing properties on a single parcel in Santa Rosa's highly desirable McDonald District. Combining residential rental income with commercial flexibility, this unique mixed-use asset offers immediate cash flow and long term upside. Situated at the rear of the property, 610 Stewart Street is a charming and well maintained 2-bedroom, 1-bath residence

  Jaime Gutierrez Artisan Sotheby's Int'l Realty

  

  610 Stewart St, Santa Rosa, CA 95404
• 

  

  /29

  $869,000

  $30K PRICE DROP

  • 5 Beds
  • 3 Baths
  • 1,800 Sq Ft

  1874 Hubbard St, Simi Valley, CA 93065

  Tucked away on a very spacious lot of over 10,450 square feet of versatile usage. This expansive open yard area offers unrivaled practicality. The expansive open area can easily accommodate both an RV as well as a boat; or it would suit a tradesperson who needs a lot of space to park heavy equipment and work trucks. Just the size of the lot alone makes it a rare find for the outdoor enthusiast, a

  Damian Lindo Sunset Coast Realty

  1874 Hubbard St, Simi Valley, CA 93065
• 

  

  /48

  $1,277,000

  $148K PRICE DROP

  • 5 Beds
  • 5 Baths
  • 2,700 Sq Ft

  304 S Minnesota Ave, Glendora, CA 91741

  DUPLEX! Corner lot. Two units. Endless possibilities — including value-add opportunities for expanded living or additional income. Located just blocks from Glendora Village, this well-maintained duplex offers a rare opportunity for investors or owner-occupants seeking flexibility and long-term value. One unit is approximately 1,200 square feet and features two bedrooms and a full bath upstairs,

  Sarah Dykema Capital & Influence

  304 S Minnesota Ave, Glendora, CA 91741
• 

  

  /36

  $335,000

  • 5 Beds
  • 3 Baths
  • 1,800 Sq Ft

  628 Olive St, Sonora, CA 95370

  Investment or primary residence opportunity in Downtown Sonora! Both units can be used as rentals, or live in one and rent one. Possibly ideal for multiple family living. The upper unit is 4 bedrooms/2 bath. Featuring a large living room, kitchen, family or office area, and laundry room. Back yard area is designated for the upper unit. The lower unit is a 1 bedrrom/1 bath with a nice size living

  Blaize Mendenhall PMZ

  628 Olive St, Sonora, CA 95370
• 

  

  /30

  $4,995,000

  • 6 Beds
  • 6 Baths
  • 3,032 Sq Ft

  602 602.5 Marguerite Unit 2, Corona Del Mar, CA 92625

  CHECK OUT THIS DUPLEX AT THIS GREAT PRICE!!! Located in the heart of Corona Del Mar Village, just north of Pacific Coast Highway, this fabulous duplex is a great opportunity to own income property in CDM. Both front & back units are approx 1516 sq. ft. each, with 3 bedrooms and 2.5 baths, open floor plans, newer luxury vinyl flooring throughout, stone counters in the kitchens, gas cooktops

  Denine Kerns Douglas Elliman Of California

  602 602.5 Marguerite Unit 2, Corona Del Mar, CA 92625
• 

  $804,010

  New Construction

  • 4 Beds
  • 3 Baths
  • 2,007 Sq Ft

  Plan 4 at Altair - Sky, Temecula, CA 92590

  Brookfield Residential Builder

  43500 Altair Vista Unit 40975853, Temecula, CA 92590
• 

  

  /5

  $435,000

  • 4 Beds
  • 2 Baths
  • 1,410 Sq Ft

  5301 Thurman Way, Sacramento, CA 95824

  Great duplex opportunity for both investors and owner-occupants. Live in one unit while renting out the other, or add this property to your investment portfolio and benefit from rental income from both units. The roof and HVAC system are approximately 5-6 years old, while the stucco and plumbing were completed approximately 7 years ago. Both units are currently tenant occupied, providing an

  Jack Singh Fathom Realty Group, Inc.

  

  5301 Thurman Way, Sacramento, CA 95824
• 

  

  /50

  $1,198,000

  • 3 Beds
  • 2 Baths
  • 1,858 Sq Ft

  4266 68 Cherokee Ave, North Park (San Diego), CA 92104

  RARE NORTH PARK SINGLE FAMILY FRONT HOUSE WITH A REAR DUPLEX WITH AMPLE PARKING + OWNER-USER POTENTIAL! Updated and exceptionally well-located muti-unit offering a compelling combination of income, parking, and privacy in one of San Diego’s most desirable and rapidly evolving neighborhoods. The detached cottage-style front home features 2 bedrooms, 2 baths, stainless steel appliances, A/C, a

  Rosa Buettner Compass

  4266 68 Cherokee Ave, North Park (San Diego), CA 92104
• 

  

  /31

  $829,000

  $70K PRICE DROP

  • 2 Beds
  • 2 Baths
  • 1,610 Sq Ft

  821 S Orange Ave, Santa Ana, CA 92701

  Rare owner-user and investment opportunity in the heart of Santa Ana. 821 S. Orange Avenue is a duplex consisting of two 1-bedroom, 1-bathroom units, with one unit being delivered vacant at closing, allowing an investor to immediately capture market rents or an owner-occupant to offset housing costs with rental income. The property features individual garages, a spacious lot, and strong long-term

  Kevin Kott Kott & Company, Inc.

  821 S Orange Ave, Santa Ana, CA 92701
• 

  

  /44

  $4,400,000

  • 11 Beds
  • 8 Baths
  • 6,554 Sq Ft

  35325 De Portola Rd, Temecula, CA 92592

  Ask about the potential rental income from the 4 units and all horse facilities! Rare Flat 24.38-acre horse ranch in the heart of Temecula wine country! RR - WC-E zoning. All new electric and plumbing throughout the home! Fully fenced and flat horse facility capable of having over 100 horses on the property! The property has a Primary residence, Guest House, Duplex, and Multiple barn structures.

  David Casey Real Brokerage Technologies

  35325 De Portola Rd, Temecula, CA 92592
• 

  

  /8

  $459,900

  • 2 Beds
  • 2 Baths
  • 1,094 Sq Ft

  1064 Acacia Ave, San Bernardino, CA 92410

  Great Duplex. Live in one and rent the other. Each unit has a 1bed/1bath, 1 car garage, back yard and front yard.

  Jose Ochoa Olympia Real Estate

  1064 Acacia Ave, San Bernardino, CA 92410
• 

  

  /3

  $40,000

  $20K PRICE INCREASE

  • Land
  • 11,325 Sq Ft
  • $153,846 per Acre

  0 Redwood Blvd, California City, CA 93505

  Prime Multi-family homesite. Prime corner across Jr. High School parking. Great location for multifamily units. Power, City Water, City Street. City Sewer available. Property has been professionally surveyed. *Developer's Duplex Plan 2128 shown in the picture is another location shown here as an example only.*Developer's Sunrise Sunrise Duplex Plan 2128 and ADU Pony Plan 465 approved building

  Dana Twohig Big West Corp

  0 Redwood Blvd, California City, CA 93505
• 

  /2

  $1,263,000

  • Land
  • 10,071 Sq Ft
  • $5,462,803 per Acre

  6218 Matilija Ave, Los Angeles, CA 91401

  Highly desirable neighborhood in Valley Glen! We are excited to present this oversized hard to find Land that is 10,070 square feet and is ready for the wonderful home of your dreams. This is an amazing opportunity for an owner builder, an investor for income property or a developer to come in and start building without the hassle of buying a tear down. Property has improvements already done

  Arman Grigoryan Keller Williams Beverly Hills

  6218 Matilija Ave, Los Angeles, CA 91401
• 

  

  /42

  $910,000

  • 3 Beds
  • 1 Bath
  • 1,790 Sq Ft

  122 & 126 Bundren St, Oak View, CA 93022

  Multi-family opportunity in Oak View! This versatile property features two updated homes on one lot, offering a great opportunity for an owner-occupant, extended family, or investor. Live in one and rent the other, or add both to your investment portfolio.The spacious rear home offers 1,845 sq. ft. of living space with 3 bedrooms and 1 bathroom, along with solar panels (buyer to qualify and

  Bryan Daudette RE/MAX Gold Coast REALTORS

  122 & 126 Bundren St, Oak View, CA 93022
• 

  

  /20

  $250,000

  • 5 Beds
  • 3 Baths
  • 1,610 Sq Ft

  239-255 Siskiyou St, Tulelake, CA 96134

  Excellent investment includes an income-producing triplex and a separate duplex. The triplex has been extensively updated over the past 10 years with a newer metal roof, electrical, foundation improvements, and remodeling. It is fully occupied with long-term tenants, providing steady rental income. Each unit includes its own washer and dryer hookups, private fenced yard, and storage shed. The

  Evonne Woods-Quesada Fisher Nicholson Realty, Inc.

  239-255 Siskiyou St, Tulelake, CA 96134
• 

  

  /17

  $959,000

  $20K PRICE DROP

  • 4 Beds
  • 3 Baths
  • 1,763 Sq Ft

  5340 S J St, Oxnard, CA 93033

  Beautifully remodeled corner lot duplex located in Oxnard! This property offers two well-designed units, featuring 2 bedrooms and one full bath and the other unit features two bedrooms and one and a half bathrooms. Both units have been thoughtfully updated to provide modern comfort and functionality. Each unit includes private laundry hookups, adding convenience and appeal for tenants or

  Joyce Starleaf Equity Union

  5340 S J St, Oxnard, CA 93033
• 

  

  /48

  $1,595,000

  $80K PRICE DROP

  • 6 Beds
  • 3.5 Baths
  • 3,282 Sq Ft

  3690 Sundale Rd, Lafayette, CA 94549

  This unique Lafayette duplex is best suited as a “townhome” plus attached ADU and is the largest duplex in Lafayette with 4 bedrooms/2.5 bath: 2430 sq.ft main unit and an attached 2 bed- 1 bath duplex /ADU rental apt (854 sq.ft). Located in Sunset Village near the Lafayette Reservoir. Cosmetically refreshed with new interior paint, flooring, inset lights etc; bathroom upgrades (2) (from 2022 to

  Jeff Allen Re/max Accord

  3690 Sundale Rd, Lafayette, CA 94549

Showing Results 401 - 440, Page 11 of 18