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    Two-Family Home with Expansion Potential Title is generated by Realmo AI

    345 4th St, Saddle Brook, NJ 07663

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    For Sale
    $674,999

    Multi-Family, 2-Two Story - Saddle Brook Twp., NJ

    Property size:
    1,716 SF
    Lot size:
    0.12 Acres
    Price / SF:
    $393/SF
    Added:
    May 11, 2026
    Days on Market:
    2
    Last Refresh:
    May 12 at 4:06 am

    Property Features for 345 4th St

    General Information

    Property type
    Residential Multi Family
    Property subtype
    Other
    Bedrooms
    4
    Bathrooms
    3
    Rooms
    Basement, Bathroom 1, Bathroom 2, Bathroom 3, Bedroom 1, Bedroom 2, Bedroom 3, Bedroom 4, Dining Room, Family Room, Kitchen, Living Room
    Parking
    4
    Parking features
    Driveway
    Patio and Porch features
    Porch
    Interior features
    Carbon Monoxide Detector, Carpeting, Stain Glass Windows, Wood Floors
    Exterior features
    Enclosed Porch(es), Metal Fence, Sidewalk, Storm Door(s)
    Fencing
    Fenced
    Basement Y/N
    1
    Standard status
    Active
    Size
    1,716 SF
    Lot size
    0.12 Acres

    Taxes and HOA fees

    Tax Year
    2025
    Tax Annual Amount
    10839

    Utilities

    Heating system
    Baseboard, Hot Water (Heating), Other (Heating)

    Building Details

    Year built
    1940
    Number of units
    2
    Building materials
    Aluminum Siding
    Roof type
    Asphalt, Shingle
    Architectural style
    Other

    We can help!

    Listing Contact
    BLAKE FEAGLES

    Listing agent BLAKE FEAGLES

    Listing office KELLER WILLIAMS VILLAGE SQUARE 74 GODWIN AVENUE, Ridgewood, NJ

    Listing date May 11, 2026

    MLS# 4026576 Listing URL

    Copyright © 2026 Garden State MLS, LLC. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

    HighLights

    • Two‑family home - great for investment or owner‑occupancy.
    • Expansion potential with unfinished basement (bathroom) and attic (hardwood floors).
    • New 200‑amp electrical service to be installed.
    • Massive two‑car garage and flat backyard.
    • Freshly painted hallways, basement, and second‑floor unit with new carpeting in Unit 2.
    • Each unit offers a spacious living/dining area, 2 bedrooms, 1 bath, and enclosed porch.

    Overview

    This two-family home presents both investment potential and appeal for owner-occupancy. Each unit includes a living and dining area, two bedrooms, one full bathroom, and an enclosed porch. Recent improvements include freshly painted hallways, basement, and the second-floor unit, along with new carpeting in Unit 2. The first-floor unit offers expansion potential with an unfinished basement that includes a full bathroom and laundry hookups. The second-floor unit features a walk-up attic with high ceilings and hardwood floors, presenting an opportunity to create additional living space. A new 200-amp electrical service will be installed prior to closing. The property includes a two-car garage and a flat backyard. Located in Saddle Brook Twp., NJ, this residential income property is situated on a 0.12-acre lot. The property has a size of 1716 square feet.
    Property Profile Insight Report Location Intelligence

    Current Use by Public Records

    Duplexes

    Suggested Use

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

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

    Location Insight

    • Map
    • Local Demand
    City
    Saddle Brook
    County
    Bergen
    State
    New Jersey
    Longitude
    -74.09759
    Latitude
    40.88562

    Nearby Similar for Sale

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    FAQs

    What type of property is this?
    Duplex - Charming two-family home with investment and owner-occupant appeal.
    Where is this duplex located?
    The property is located at 345 4th St Saddle Brook, NJ.
    What is the asking price?
    The asking price for this property is $674,999.
    What are key features of this property?
    This property features: Two‑family home - great for investment or owner‑occupancy.; Expansion potential with unfinished basement (bathroom) and attic (hardwood floors).; New 200‑amp electrical service to be installed.
    (201) 445-4300
    We can help!
    Listing Contact
    BLAKE FEAGLES
    Learn More
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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
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    345 4th St, Saddle Brook Twp., NJ 07663-6333
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