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For sale
  • Listed by: Pinnacle Estate Properties, Inc. • James Chikato • 661-755-3829
    $1,295,000

    4145 Gillespie Ave, Acton, CA 93510

    5beds
    3,954sqft
    : 
    $8,489/mo
    Get pre-qualified
    Single Family Residence
    Built in 1990
    2.2 Acres Lot
    $1,278,700 Zestimate®
    $328/sqft
    $-- HOA

    What's special

    Welcome to your own private ranch estate! Set behind a gated entry with a grand circular paver driveway on approximately 2.2 acres, this impressive single-story property offers exceptional space, privacy, and versatility. Located on paved roads, the property provides convenient access while maintaining the peaceful feel of a private ranch setting. The property is serviced by county water—no well required—and features natural gas. The approximately 4,000-square-foot single-story home features an incredible floor plan with 4 bedrooms plus a HUGE game room featuring vaulted ceilings. The game room could easily be converted into a separate living area, guest quarters, or additional suite with its own kitchen and bath. The spacious family room also features vaulted ceilings, creating an open and inviting atmosphere. The updated kitchen and bathrooms complement the home's generous living spaces, complete with commercial grade Wolf range and oven and exhaust hood, while major system improvements provide added peace of mind, including updated water heaters, A/C units, heaters, and ducting. Step outside to an entertainer's dream featuring a massive pool, a "Swim Spa" brand swim spa, extensive custom pavers, and a fully fenced and illuminated tennis court. This luxury estate creates impressive outdoor spaces for entertaining, relaxing, and enjoying the expansive grounds. Additional improvements include updated gate motors and updated pool equipment and plumbing. Dual Hvac units and Dual ducted Evaporative coolers. The generous 2.2-acre grounds offer incredible potential for horses, animals, additional recreational amenities, or simply enjoying the space and privacy of a true ranch property. Whether you're looking for the ultimate horse property, a private estate, or your own professional-grade tennis retreat, this unique property offers the acreage, amenities, and flexibility to make your vision a reality. Come for a visit. Stay for a lifetime. Welcome home!
    53 days
    1,083
    85

    Likely to sell faster than

    Zillow last checked:

    Listing updated:

    Listed by:

    James Chikato DRE #01842573 661-755-3829,

    Pinnacle Estate Properties, Inc.,

    Brady Chikato DRE #02163722,

    Pinnacle Estate Properties, Inc.

    Source: CRMLS,MLS#: SR26200571MLS LogoOriginating MLS: California Regional MLS

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 5
      • Bathrooms: 4
      • Full bathrooms: 4
      • Main level bathrooms: 4
      • Main level bedrooms: 4
      Rooms
      • Room types: Bedroom
      Bedroom
      • Features: All Bedrooms Down
      Heating
      • Central
      Cooling
      • Central Air, Dual, Evaporative Cooling
      Appliances
      • Laundry: Laundry Room
      Features
      • All Bedrooms Down
      • Flooring: Carpet, Wood
      • Has fireplace: Yes
      • Fireplace features: Family Room
      • Common walls with other units/homes: No Common Walls
      Interior area
      • Total interior livable area: 3,954 sqft
      Video & virtual tour

      Property

      Parking
      • Total spaces: 3
      • Parking features: Garage - Attached
      • Attached garage spaces: 3
      Features
      • Levels: One
      • Stories: 1
      • Entry location: 1
      • Has private pool: Yes
      • Pool features: Gunite, In Ground, Private
      • Has spa: Yes
      • Spa features: In Ground
      • Has view: Yes
      • View description: Desert, Mountain(s), Neighborhood
      Lot
      • Size: 2.2 Acres
      • Features: 2-5 Units/Acre, Horse Property, Rectangular Lot, Ranch, Sprinkler System, Street Level
      Details
      • Parcel number: 3208016112
      • Special conditions: Standard
      • Horses can be raised: Yes
      • Horse amenities: Riding Trail

      Construction

      Type & style
      • Home type: SingleFamily
      • Property subtype: Single Family Residence
      Materials
      • Roof: Concrete,Tile
      Condition
      • New construction: No
      • Year built: 1990

      Utilities & green energy

      • Sewer: Septic Type Unknown
      • Water: Public

      Community & HOA

      Community
      • Features: Hiking, Horse Trails, Rural
      • Security: Carbon Monoxide Detector(s), Smoke Detector(s)
      • Subdivision: Custom Acton (Cacto)
      Location
      • Region: Acton

      Financial & listing details

      • Price per square foot: $328/sqft
      • Tax assessed value: $986,491
      • Date on market: 9/17/2026
      • Cumulative days on market: 53 days
      • Listing terms: Cash,Conventional,FHA
      • Exclusions: Personal Property
      • Road surface type: Paved

        Estimated market value

        $1,278,700

        $1.21M - $1.34M

        $6,681/mo

        Price history

        DateEventPrice
        9/17/2026Listed for sale$1,295,000-13.6%$328/sqft
        Source: CRMLS #SR26200571 Report a problem
        8/31/2025Listing removed$1,498,9000%$379/sqft
        Source: SDMLS #SR25102003 Report a problem
        6/23/2025Listed for sale$1,499,000+76.4%$379/sqft
        Source: SDMLS #SR25102003 Report a problem
        7/13/2017Sold$850,000-1.7%$215/sqft
        Source: GAVAR #17002659 Report a problem
        5/16/2017Pending sale$865,000$219/sqft
        Source: Coldwell Banker A Hartwig Company #17002659 Report a problem
        5/6/2017Price change$865,000-3.4%$219/sqft
        Source: Coldwell Banker A Hartwig Company #17002659 Report a problem
        3/25/2017Listed for sale$895,000+58.4%$226/sqft
        Source: Coldwell Banker A Hartwig Company #17002659 Report a problem
        2/10/2003Sold$565,000+44.9%$143/sqft
        Source: Public Record Report a problem
        5/5/1995Sold$390,000$99/sqft
        Source: Public Record Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2026-- $986,491 +2%
        2025$12,496 +5.5%$967,149 +2%
        2024$11,839 +3.1%$948,187 +2%
        2023$11,482 +1.8%$929,596 +2%
        2022$11,277 +1.8%$911,370 +2%
        2021$11,083 +1.3%$893,501 +1%
        2020$10,942 $884,340 +2%
        2019$10,942 +6.9%$867,000 +2%
        2018$10,232 $850,000 +20.6%
        2017$10,232 +21%$705,071 +2%
        2016$8,457 +4.5%$691,247 +1.5%
        2015$8,093 +3.2%$680,865 +2%
        2014$7,842 $667,529 +2.5%
        2012-- $651,484 +2%
        2011-- $638,711 +0.8%
        2010-- $633,938 -0.2%
        2009-- $635,445 +2%
        2008-- $622,987 +2%
        2007-- $610,772 +2%
        2006-- $598,797
        2005-- $598,797 +4%
        2004-- $575,547 +22%
        2003-- $471,800 +2%
        2002-- $462,550 +4%
        2000-- $444,590
        Find assessor info on the county website

        Monthly payment

        Est. payment

        Payment breakdown

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        All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
        HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
        See how much you could borrow to make a competitive offer.

        Climate risks

        Neighborhood: 93510

        Getting around

        23 / 100
        Car-Dependent
        20 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating
        Schools provided by the listing agent
        • Elementary: Meadowlark
        • Middle: High Desert
        • High: Vasquez

        Source: CRMLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

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