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    Guilford, CT Commercial Real Estate for Sale

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    North Branford, CT Madison, CT Branford, CT
    28 results
    Historic Mixed-Use Office & Apartments
    $1,000,000
    3,413 SF
    Historic Mixed-Use Office & Apartments

    48 State Street, Guilford, CT 06437

    Federal-style office suites plus two apartment units within a historic building with private parking on a 0.38-acre lot.
    • Historic Nathaniel Hall House built c. 1770 on a 0.38‑acre lot with private parking and sidewalk access
    • Mixed‑use setup with multiple income sources: main‑level Federal‑style office suites plus 2 residential apartments
    • Main level includes office suites with wide‑plank flooring, custom built‑ins, and three 18th‑century fireplaces
    • Second‑floor private apartment with a spacious walk‑up attic for added residential space
    • Detached 2BR “Barn” apartment provides an additional residential unit
    Updated: Apr 24
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    Historic Mixed-Use Property
    $1,000,000
    3,402 SF
    Historic Mixed-Use Property

    48 State Street, Guilford, CT 06437

    Main-floor professional office plus two residential 2BR units, including a detached barn apartment, with off-street parking on a 0.38-acre lot.
    • Historic Nathaniel Hall House built c. 1770 with a later 1810 Federal‑style addition
    • Triple revenue setup with main‑floor professional business use, plus a 2nd‑floor private 2BR apartment
    • Detached "Barn" includes a separate 2BR apartment for additional rental income or multi‑generational living
    • 3 unused 18th‑century fireplaces plus wide‑plank flooring and custom‑built interior elements
    • Private 2BR apartment on the second floor and a spacious walk‑up attic
    Updated: Apr 24
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    Guilford Commercial Property on Route 1
    $600,000
    2,518 SF
    Guilford Commercial Property on Route 1

    Prime commercial property in Guilford with multiple offices and parking.

    1054 Boston Post Road, Guilford, CT 6437

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    Historic Guilford Multi-Stream Investment Opportunity
    $1,000,000
    3,402 SF
    Historic Guilford Multi-Stream Investment Opportunity

    Rare investment property near Guilford Green with multiple income streams.

    48 State Street, Guilford, CT 6437

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    Guilford Commercial Flex Space Available
    $139,900
    1,012 SF
    Guilford Commercial Flex Space Available

    Flex space suitable for various commercial and industrial uses.

    2514 Boston Post Road, Guilford, CT 06437

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    Charming Building on Boston Post
    $300,000
    1,058 SF
    Charming Building on Boston Post

    Charming building in Guilford, one block from the historic Green.

    1058 Boston Post Road, Guilford, CT 6437

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    Prime Guilford Commercial Property on Route 1
    Contact for pricing
    2,518 SF
    Prime Guilford Commercial Property on Route 1

    Commercial property on Boston Post Road, Guilford, ideal for businesses.

    1054 Boston Post Road, Guilford, CT 6437

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    Commercial Building Overlooking Guilford Mill
    $325,000
    1,200 SF
    Commercial Building Overlooking Guilford Mill

    Commercial building with showroom, office space, and excellent visibility.

    51 Mill Road, Guilford, CT 6437

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    Medical Office Building on Route 1
    $2,300,000
    1,128 SF
    Medical Office Building on Route 1

    Professional medical office building with space for lease on Route 1.

    1445 Boston Post Rd, Guilford, CT

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    Versatile Guilford Green District Property
    $699,000
    1,804 SF
    Versatile Guilford Green District Property

    Downtown Guilford property with multi-use potential and recent renovations.

    26 Water Street, Guilford, CT 6437

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    Professional Office Condominium For Sale
    $295,000
    1,614 SF
    Professional Office Condominium For Sale

    Professional office condominium ideal for medical or wellness uses.

    666 Boston Post Road #3, Guilford, CT 6437

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    Charming Building in Prime Location
    Contact for pricing
    1,058 SF
    Charming Building in Prime Location

    Charming building in Guilford, one block from the historic Green.

    1058 Boston Post Road, Guilford, CT 6437

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    Guilford Medical Office Suite
    $359,000
    1,910 SF
    Guilford Medical Office Suite

    Turn-key medical office suite in premier Guilford location.

    5 Durham Road Unit C2, Guilford, CT 6437

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    Waterfront Development Site in Guilford
    Contact for pricing
    1.90 Acres
    Waterfront Development Site in Guilford

    Waterfront development site with potential for mixed-use in Guilford, CT.

    505 Old Whitfield Street, Guilford, CT 06437

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    Renovated Retail Building on Route 1
    $1,850,000
    9,396 SF
    Renovated Retail Building on Route 1

    9,396 SF renovated retail building with convenient highway access.

    588 Boston Post Rd, Guilford, CT

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    Waterfront Development Site in Guilford
    Contact for pricing
    6,358 SF
    Waterfront Development Site in Guilford

    Unique waterfront development site with potential for mixed-use development.

    505 Old Whitfield Street, Guilford, CT 6437

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    Mixed-Use Redevelopment Opportunity Guilford
    $1,275,000
    2,787 SF
    Mixed-Use Redevelopment Opportunity Guilford

    Rare mixed-use redevelopment opportunity in the heart of Guilford.

    1161 Boston Post Road, Guilford, CT 6437

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    Prime Location Commercial Space
    $899,000
    3,100 SF
    Prime Location Commercial Space

    3100 sqft commercial space in a prime location.

    965 Boston Post Road, Guilford, CT 6437

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    Office Space on Boston Post
    Contact for pricing
    5,936 SF
    Office Space on Boston Post

    Two-story office space available on Boston Post Road.

    631 Boston Post Road, Guilford, CT 6437

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    Waterfront Development Land Site
    Contact for pricing
    6,358 SF
    Waterfront Development Land Site

    Waterfront C-2-zoned parcel in Guilford with marina and boat-launch adjacency for restaurant or mixed-use concepts.

    505 Old Whitfield Street, Guilford, CT 06437

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    Commercial Space Ready for Adventure
    $139,900
    1,012 SF
    Commercial Space Ready for Adventure

    Move-in ready commercial space suitable for various business ventures.

    2514 Boston Post Road #C9, Guilford, CT 6437

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    Downtown Guilford Commercial Space Available
    Contact for pricing
    1,360 SF
    Downtown Guilford Commercial Space Available

    Prime commercial space suitable for office, medical, retail, or service.

    25 Water Street, Guilford, CT 6437

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    Redevelopment Site on 1.18 Acres
    $499,000
    1.18 Acres
    Redevelopment Site on 1.18 Acres

    1.18± acre redevelopment site near I-95 and retailers.

    522 Boston Post Rd, Guilford, CT

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    Waterfront Property with Redevelopment Potential
    $4,250,000
    6,613 SF
    Waterfront Property with Redevelopment Potential

    Versatile waterfront property suitable for office, restaurant, or residential development.

    506 Whitfield Street, Guilford, CT 6437

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    Guilford, CT Commercial Real Estate Investment Opportunities Market Analysis

    Explore 72 commercial real estate for sale in Guilford, CT, showcased through 28 active listings on our real estate platform. These investment opportunities span a total of 57,894 square feet of properties for sale, with an estimated market value of $25,208,900.

    Sale prices for business properties in Guilford, CT start at $139,900, averaging $1,575,556, and reaching up to $9,750,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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    Property Size Breakdown

    The majority of commercial real estate listings in Guilford fall within the 100,000+ square foot range.

    Demographics Overview

    Population 22K
    Population Growth (5Y) -1.1%
    Median Household Income $130,036
    College Educated 87.0%

    High-Yield Neighborhoods for Investment

    Identify Guilford submarkets with the highest inventory density on the market and evaluate the median listing prices of real estate assets

    Neighborhood Average Price
    06437 $1.2M

    Taxes & Financing

    Tax Rate (average for all types) 2.60%
    Property Tax per SF $41.47 per sq ft
    Tax Rate vs County Average 1.12 pp below county avg
    Average Loan-to-Value 65.0%

    Listings Trend

    Total CRE Area on Market Trend

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