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    4175 Rudisill St Montclair, CA 91763

    View on Map
    Sponsored
    For Sale
    $1,100,000

    Duplex - Montclair, CA

    Type:Duplex
    Property size:
    1,459 SF
    Lot size:
    9,432.00 Acres
    Days on Market:
    7
    Last Refresh:
    Mar 24 at 8:06 am

    Property Features for 4175 Rudisill St

    General Information

    Property type
    Residential Multi Family
    Property subtype
    Duplex
    Standard status
    Active
    Rooms
    Bathroom 1, Bathroom 2, Bathroom 3, Bedroom 1, Bedroom 2, Bedroom 3, Bedroom 4, Bedroom 5, Kitchen, Living Room
    Bedrooms
    5
    Bathrooms
    3
    APN
    1009354140000
    Parking
    2
    Parking features
    Carport, Driveway, RV
    Exterior features
    Fence, Community Features Included: Street Lights, Front Yard, Rocks, Back Yard
    Fencing
    Fenced
    Appliances
    Garbage Disposer, Microwave, Oven - Gas, Range, Range - Gas
    Size
    1,459 SF
    Lot size
    9,432.00 Acres

    Utilities

    Heating system
    Central
    Cooling system
    Central Air

    Building Details

    Year built
    1954
    Floors in Building
    1
    Number of units
    3
    Flooring type
    Vinyl
    Roof type
    Shingle
    Architectural style
    Other

    We can help!

    Listing Contact
    Tom Chang
    Tom Chang

    Berkshire Hathaway HomeServices California

    Listing agent Tom Chang License #01994412

    Listing date Mar 18, 2026

    MLS# CV26058971 Listing URL

    Copyright © 2026 California Regional Multiple Listing Service, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

    Learn more

    Property Insight Report

    Overview

    Turnkey Home with ADU, Studio

    This turnkey home in Montclair, California, includes a newer detached Accessory Dwelling Unit (ADU) and a converted studio, offering flexibility and income potential. According to the assessor, the property is a 4-bedroom, 2-bath home, with the main residence and ADU each configured as 2-bedroom, 1-bath units. The property can accommodate two families. Both units feature energy-efficient lighting and appliances. The detached ADU, constructed approximately 2.5 years ago, has a private entrance, a full kitchen, and laundry hookups, providing an independent living space. The garage has been converted into a studio with a kitchenette and bathroom, offering additional functional space for extended living or potential rental use. Situated on a large lot of 0.2165 acres, the property provides RV parking and space for multiple vehicles. The grounds are enclosed with block walls and gated access for privacy. Both the main home and ADU are equipped with newer AC units. The front home also features a newer roof. Low-maintenance, drought-tolerant landscaping enhances efficiency and curb appeal. The property, with a total size of 1459 square feet, is ideal for owner-occupants or investors seeking a versatile property with multiple living spaces and income potential.
    Property Profile Insight Report Location Intelligence

    Current Use by Public Records

    Triplexes

    Suggested Use

    Real Estate Agency Law Firm Restaurant Spa & Massage Center Dental Office Hair Salon Nail Salon Building Supply Gym & Fitness Center Daycare Center

    Zoning and permitted uses should be independently verified with local authorities.

    Location Insight

    • Map
    • Local Demand
    City
    Montclair
    County
    San Bernardino
    State
    California
    Longitude
    -117.7140582
    Latitude
    34.0711465

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    FAQs

    What type of property is this?
    Multifamily property - Montclair home with ADU, studio, and income potential.
    Where is this multifamily property located?
    The property is located at 4175 Rudisill St Montclair, CA.
    What is the asking price?
    The asking price for this property is $1,100,000.
    What are key features of this property?
    This property features: - Turnkey property offering multiple living spaces and income potential.; - Detached ADU (built ~2.5 years ago) with private entrance, full kitchen, and laundry hookups.; - Garage converted into a studio with kitchenette and bathroom.
    (909) 687-5558
    Request Owner's contact information
    4175 Rudisill St Montclair, CA 91763
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    Montclair, CA 91763
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    Realmo Value Estimations

    Realmo estimates a property’s market value using a proprietary methodology that incorporates public data and user-submitted information. This cumulative value is generated by integrating a variety of conventional and innovative methods. 

    Disclaimer

    These figures are not official appraisals and should not be used as a substitute for a valuation performed by a licensed appraiser.
    Actual market value may differ due to factors not captured in the data. Estimates are offered for informational purposes only, and users should conduct independent research before making financial or investment decisions.
    By using this feature, you acknowledge that Realmo is not responsible for actions taken based on these estimates.

    AI approach

    Realmo AI Method estimates property value using machine learning models trained on millions of comparable listings, transactions, and market signals. It analyzes property features, location intelligence data, and current market dynamics to predict the most probable market value in real time.

    Realmo CapRate Calculation

    Realmo calculates the Capitalization Rate (Cap Rate) to help estimate a property's potential return on investment. The Cap Rate is a fundamental metric in commercial real estate that measures the relationship between a property's net operating income and its market value.

    How We Calculate Cap Rate

    Cap Rate Formula:
    Cap Rate (%) = (Net Operating Income / Property Value) × 100

    Net Operating Income (NOI) Formula:
    NOI = Area × Lease Rate × (1 - Vacancy Rate) × (1 - Operating Expense Ratio)

    Components

    Net Operating Income (NOI) represents the annual income a property generates after operating expenses:

    • Area: Building square footage from property records
    • Lease Rate: Annual $/sqft based on market data for the property type and geographic location
    • Vacancy Rate: Percentage of unoccupied space based on market data for the property type and location
    • Operating Expense Ratio: Operating costs as a percentage of income, varies by property type

    Property Value is derived from:

    • Recent sale price (if available)
    • Statistical models using comparable sales
    • AI-powered valuation estimates

    Example Calculation

    For a 100,000 sqft Office Building:

    • Lease Rate: $25.00/sqft/year (market data for Office in this area)
    • Vacancy Rate: 8% (market data for Office in this area)
    • Operating Expense Ratio: 35% (typical for Office properties)
    • Property Value: $15,000,000

    Step 1: Calculate NOI

    NOI = 100,000 × $25.00 × (1 - 0.08) × (1 - 0.35)
    NOI = 100,000 × $25.00 × 0.92 × 0.65
    NOI = $1,495,000/year

    Step 2: Calculate Cap Rate

    Cap Rate = ($1,495,000 / $15,000,000) × 100
    Cap Rate = 9.97%

    Property Type Considerations

    Net Operating Income calculations vary by property type due to different operating expense ratios:

    • Office: Higher expenses (30-40%) for HVAC, utilities, maintenance
    • Retail: Moderate expenses (25-35%) for common area maintenance
    • Industrial/Warehouse: Lower expenses (15-25%) for minimal tenant services
    • Multifamily: Moderate expenses (35-45%) including property management
    • Self-Storage: Lower expenses (25-35%) due to minimal maintenance

    Market lease rates and vacancy rates are specific to each property type and geographic location, reflecting local market conditions.

    Disclaimer

    These calculations are estimates for informational purposes only and should not be used as a substitute for professional financial analysis or appraisal.

    • Cap Rate calculations depend on market data that may change over time
    • Actual operating expenses, lease rates, and vacancy rates may differ from market averages
    • Individual property conditions, lease terms, and tenant quality significantly impact actual NOI
    • Property value estimates are approximations and not official appraisals
    • Cap rates vary widely by market, property condition, and investment risk profile

    Professional Guidance Recommended: Before making any investment or financial decisions, consult with licensed appraisers, commercial real estate brokers, and financial advisors who can evaluate your specific property and circumstances.
    By using this feature, you acknowledge that Realmo is not responsible for investment decisions or actions taken based on these estimates.

    Cap approach

    Capitalization Method calculates value based on estimated net operating income (NOI) and applying a market-based capitalization rate (cap rate), we estimate what a typical investor might be willing to pay for it.

    Comparable approach

    Comparable estimate is based on recent sales of similar nearby properties, adjusted for factors like size, condition, and location.

    Relative

    Relative property class coefficient uses factors that account for typical price differences between various asset types (e.g., retail vs. industrial) to provide a more accurate market-aligned estimate.

    Geo

    Comparable Sales Method, enhanced by Geo coefficients — location-based adjustment factors that reflect differences in price levels across neighborhoods, cities, or regions ensuring a more accurate, market-sensitive valuation.

    Stat Estimate

    This method estimates value based on actual market adjusted recent (~5 years) sales of comparable properties around by location and property type.

    • Ranges - area data calculated by industry standard IQR Outlier Removal Method
    • Range-from: 75% of all similar sales ($/sqft) are above this value
    • Range-to: 75% of all similar sales ($/sqft) are below this value
    AI Estimate

    This method estimates value based on AI market estimation of comparable properties around by location and property type.

    • Ranges - area data calculated by industry standard IQR Outlier Removal Method
    • Range-from: 75% of all estimations ($/sqft) are above this value
    • Range-to: 75% of all estimations ($/sqft) are below this value
    Alternative use

    Estimate considers the property’s potential value if used for a different purpose-based on zoning, demand, and market feasibility.

    More about this property
    4175 Rudisill St Montclair, CA 91763
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    We can help!
    Listing Contact
    Tom Chang
    Tom Chang
    Real Estate License ID: 01994412
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