$2,100,000 - 718 E Maitland Street, Ontario

  • 17Beds
  • 5Baths
  • 10,305SQ. Feet
  • 0.68Acres

Ontario Home For Sale

Rare Redevelopment Opportunity in Prime Ontario Location – 10,035 SF Building on 0.68 Acres sale with Approved Fourplex Conversion Plan Near Ontario Airport A unique investment opportunity awaits with this expansive 10,035 square foot property situated on a generous 0.68 acre lot in the heart of Ontario, California. Originally built as a private educational facility, this structure is currently undergoing a strategic redevelopment to transform it into a fully approved fourplex residential complex which is perfectly suited for multi-generational living, institutional leasing, or income generating rentals. The city-approved architectural plans reimagine the existing footprint into four fully independent residential units, each with its own private entry, kitchen, and laundry. Interior demolition has already been completed, and the project is ready for final permitting and construction. Unit A: 481 SF with 1 bed, 1 bath, kitchen, living room, laundry Unit B: 7,516 SF with 8 beds, 7 baths + powder room, dual kitchens, large dining, multiple living spaces, 3 master suites Unit C: 865 SF with 1 bed, 2 baths, office, kitchen, living room Unit D: 1,090 SF with 1 bed, 2 baths, office, kitchen, living room Each unit will have separate electrical and water meters. The property also features a 240 SF detached garage, redesigned landscaping, and ample yard space with future expansion potential. Prime location just minutes from Ontario International Airport, major freeways (I-10, I-15, 60), and key business corridors. This property offers incredible flexibility for residential rental, group housing, assisted living, foster care, or community services. Zoned for high utility and long-term upside, this project is ideal for developers, institutional investors, or owner-operators seeking scalable residential or care-facility potential in a thriving Inland Empire location.

Sales Agent

Sam Smith
  • Sam Smith
  • San Clemente Realtor ®
  • Phone: 949-204-5110
  • Cell: 949-204-5110
  • Contact Agent Now

Amenities

  • UtilitiesCable Available, Electricity Connected, Natural Gas Connected, Sewer Connected, Water Connected
  • ViewNone
  • PoolNone
  • SecurityGated with Attendant

School Information

  • DistrictChaffey Joint Union High

Essential Information

  • MLS® #IV25133188
  • Price$2,100,000
  • Bedrooms17
  • Bathrooms5.00
  • Full Baths5
  • Square Footage10,305
  • Acres0.68
  • Year Built1969
  • TypeResidential
  • Sub-TypeSingle Family Residence
  • StatusActive
  • Listing AgentYuming Bai
  • Listing OfficeTopSky Realty Inc

Exterior

  • ExteriorDrywall, Stucco
  • Lot DescriptionTwoToFiveUnitsAcre
  • RoofAsbestos Shingle
  • ConstructionDrywall, Stucco
  • FoundationSlab

Additional Information

  • Date ListedJune 8th, 2025
  • Days on Market288
  • ZoningLDR-5
  • Short SaleN
  • RE / Bank OwnedN

Community Information

  • Address718 E Maitland Street
  • Area686 - Ontario
  • CityOntario
  • CountySan Bernardino
  • Zip Code91761

Interior

  • InteriorConcrete
  • Interior FeaturesAll Bedrooms Down
  • CoolingNone
  • FireplacesNone
  • # of Stories1
  • StoriesOne

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  • City:
    Ontario
  • Price Range:
    $139,000 - $2,100,000
  • Current Listings:
    400
  • HOA Dues:
    $205
  • Average Price per Square Foot:
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Based on information from California Regional Multiple Listing Service, Inc. as of April 7th, 2026 at 6:50am PDT. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.