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Sold for $475,000
  • Listed by: Versailles Property • Clare Lenza • Contact: 949-903-8522
    Bought with: KENT REALTY & INVESTMENT
    $475,000

    831 S Mountain Ave, Ontario, CA 91762

    3beds
    1,408sqft
    Condominium
    Built in 1979
    -- sqft lot
    $471,300 Zestimate®
    $337/sqft
    $3,065 Estimated rent

    Home value

    $471,300

    $424,000 - $523,000

    $3,065/mo

    Zestimate® history
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    What's special

    Price Reduced – Motivated Sellers! Welcome to this beautifully refreshed 3-bedroom, 2.5-bathroom townhouse-style condo located in the heart of Ontario! Boasting an open-concept layout filled with natural light, this home features spacious living areas enhanced by large windows and a cozy fireplace perfect for chilly evenings. The adjacent dining area opens to a private patio, complete with a beautiful avocado tree, ideal for summer barbecues, family gatherings, and convenient access to the community pool. The home has been freshly painted throughout and thoughtfully upgraded with a brand-new, fully remodeled kitchen featuring new cabinets, stainless steel appliances, quartz stone countertops, and durable hard surface flooring throughout, no carpet anywhere! This move-in-ready property includes a brand-new refrigerator, washer, dryer, over-the-stove microwave, and dishwasher offered by the owner. Enjoy the convenience of direct access to a two-car garage from inside the home, along with an additional designated parking space. Upstairs, you’ll find three generously sized bedrooms, including two oversized rooms with individual mini-split A/C units that share a large full bathroom. The primary suite features its own private bath and a spacious walk-in closet. Set in a small, quiet, and friendly community with long-term residents, this home offers both peace of mind and a welcoming atmosphere. Enjoy scenic views of snow-capped mountains in the winter, and plenty of open parking year-round. Centrally located just 2 miles from the 60 and 10 freeways, and close to schools, markets, shops, and neighboring cities like Upland, Montclair, and Chino. Whether you're a first-time buyer, investor, or looking to right-size, this gem is a rare find! Community amenities include a pool and spa, with HOA dues covering water and trash, making for easy, low-maintenance living.

    Zillow last checked:

    Listing updated:

    Listed by:

    Clare Lenza DRE #01981062 949-903-8522,

    Versailles Property

    Bought with:

    LESLIE WONG, DRE #01955938

    KENT REALTY & INVESTMENT

    Source: CRMLS,MLS#: OC25173885MLS LogoOriginating MLS: California Regional MLS

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 3
    • Bathrooms: 3
    • Full bathrooms: 2
    • 1/2 bathrooms: 1
    • Main level bathrooms: 1
    Rooms
    • Room types: Bedroom, Other, Dining Room
    Bedroom
    • Features: All Bedrooms Up
    Bathroom
    • Features: Bathtub, Tub Shower
    Kitchen
    • Features: Granite Counters
    Other
    • Features: Walk-In Closet(s)
    Heating
    • Central
    Cooling
    • Central Air, Ductless, Wall/Window Unit(s)
    Appliances
    • Included: Gas Oven, Gas Range, Microwave, Refrigerator, Self Cleaning Oven, Dryer, Washer
    • Laundry: In Garage
    Features
    • Separate/Formal Dining Room, All Bedrooms Up, Walk-In Closet(s)
    • Flooring: Vinyl
    • Windows: Double Pane Windows, Screens
    • Has fireplace: Yes
    • Fireplace features: Family Room, Gas
    • Common walls with other units/homes: 1 Common Wall
    Interior area
    • Total interior livable area: 1,408 sqft

    Property

    Parking
    • Total spaces: 2
    • Parking features: Direct Access, Garage, On Site, One Space
    • Attached garage spaces: 2
    Features
    • Levels: Two
    • Stories: 2
    • Entry location: Side Home
    • Patio & porch: Enclosed, Patio
    • Pool features: Heated, In Ground, Association
    • Has spa: Yes
    • Spa features: Association, Heated, In Ground
    • Has view: Yes
    • View description: Mountain(s), Pool
    Lot
    • Size: 4,125 Square Feet
    • Features: Walkstreet
    Details
    • Parcel number: 1011382170000
    • Zoning: R
    • Special conditions: Standard

    Construction

    Type & style
    • Home type: Condo
    • Property subtype: Condominium
    • Attached to another structure: Yes
    Condition
    • Updated/Remodeled
    • New construction: No
    • Year built: 1979

    Utilities & green energy

    • Sewer: Public Sewer
    • Water: Public
    • Utilities for property: Cable Available, Electricity Available, Natural Gas Available, Phone Available, Sewer Connected, Water Available, Water Connected

    Community & HOA

    Community
    • Features: Sidewalks
    • Security: Carbon Monoxide Detector(s), Smoke Detector(s)
    HOA
    • Has HOA: Yes
    • Amenities included: Maintenance Grounds, Pool, Spa/Hot Tub, Trash, Water
    • HOA fee: $432 monthly
    • HOA name: Haven Management
    • HOA phone: 909-948-0777
    Location
    • Region: Ontario

    Financial & listing details

    • Price per square foot: $337/sqft
    • Tax assessed value: $307,484
    • Annual tax amount: $3,390
    • Date on market: 8/15/2025
    • Cumulative days on market: 81 days
    • Listing terms: Cash,Conventional,1031 Exchange,Submit
    • Inclusions: Appliances
    • Exclusions: Furniture

    Price history

    DateEventPrice
    1/22/2026Listing removed$3,200$2/sqft
    Source: Zillow Rentals Report a problem
    12/25/2025Listed for rent$3,200$2/sqft
    Source: Zillow Rentals Report a problem
    12/25/2025Listing removed$3,200$2/sqft
    Source: Zillow Rentals Report a problem
    12/11/2025Listed for rent$3,200+60%$2/sqft
    Source: Zillow Rentals Report a problem
    12/5/2025Sold$475,000-5.9%$337/sqft
    Source: CRMLS #OC25173885 Report a problem
    11/15/2025Contingent$505,000$359/sqft
    Source: CRMLS #OC25173885 Report a problem
    10/30/2025Price change$505,000-2.5%$359/sqft
    Source: CRMLS #OC25173885 Report a problem
    8/15/2025Listed for sale$518,000+139.8%$368/sqft
    Source: CRMLS #OC25173885 Report a problem
    11/15/2021Listing removed--
    Source: Zillow Rental Manager Report a problem
    11/4/2021Listed for rent$2,000$1/sqft
    Source: Zillow Rental Manager Report a problem
    10/16/2014Sold$216,000+62.4%$153/sqft
    Source: Public Record Report a problem
    5/7/2009Sold$133,000-38.6%$94/sqft
    Source: Public Record Report a problem
    4/24/2008Sold$216,750-34.3%$154/sqft
    Source: Public Record Report a problem
    12/8/2005Sold$330,000+207%$234/sqft
    Source: Public Record Report a problem
    3/24/2000Sold$107,500$76/sqft
    Source: Public Record Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2025$3,390 +2.3%$307,484 +2%
    2024$3,313 +2.9%$301,455 +2%
    2023$3,220 +1.3%$295,545 +2%
    2022$3,177 +19%$289,750 +20.8%
    2021$2,669 +1.8%$239,830 +1%
    2020$2,622 +0.9%$237,371 +2%
    2019$2,600 +1.4%$232,717 +2%
    2018$2,564 +3.7%$228,154 +2%
    2017$2,472 $223,680 +2%
    2016$2,472 +4.1%$219,294 +1.5%
    2015$2,375 +0.7%$216,000 +54.6%
    2014$2,359 $139,716 +0.5%
    2013-- $139,085 +2%
    2012-- $136,358 +2%
    2011-- $133,684 +0.8%
    2010-- $132,685 -16.6%
    2009-- $159,000 -53.7%
    2008-- $343,332 +2%
    2007-- $336,600 +2%
    2006-- $330,000 +178.4%
    2005-- $118,534 +2%
    2004-- $116,210 +1.9%
    2003-- $114,080 +2%
    2002-- $111,843 +2%
    2001-- $109,650 +29%
    2000-- $85,000
    Find assessor info on the county website

    Neighborhood: 91762

    Nearby schools

    GreatSchools rating
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    Estimated market value
    $471,300
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    Estimated market value
    $471,300