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    Guilford, CT Office Spaces for Sale

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    North Branford, CT Madison, CT Branford, CT
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    Historic Mixed-Use Office & Apartments
    Updated: Apr 24
    Historic Mixed-Use Office & Apartments

    48 State Street, Guilford, CT 06437

    $1,000,000
    3,413 sqft · 0.38 AC 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
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    Historic Mixed-Use Property
    Updated: Apr 24
    Historic Mixed-Use Property

    48 State Street, Guilford, CT 06437

    $1,000,000
    3,402 sqft · 0.38 AC 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
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    Historic Guilford Multi-Stream Investment Opportunity
    Historic Guilford Multi-Stream Investment Opportunity

    48 State Street, Guilford, CT 6437

    $1,000,000
    3,402 sqft · 0.38 AC lot

    Rare investment property near Guilford Green with multiple income streams.

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    Prime Guilford Commercial Property on Route 1
    Prime Guilford Commercial Property on Route 1

    1054 Boston Post Road, Guilford, CT 6437

    $600,000
    2,518 sqft

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

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    Medical Office Building on Route 1
    Medical Office Building on Route 1

    1445 Boston Post Rd, Guilford, CT

    $2,300,000
    1,128 sqft · 0.97 AC lot

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

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    Charming Building in Prime Location
    Charming Building in Prime Location

    1058 Boston Post Road, Guilford, CT 6437

    $300,000
    1,058 sqft

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

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    Guilford Medical Office Suite
    Guilford Medical Office Suite

    5 Durham Road Unit C2, Guilford, CT 6437

    $359,000
    1,910 sqft

    Turn-key medical office suite in premier Guilford location.

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    Commercial Building Overlooking Guilford Mill
    Commercial Building Overlooking Guilford Mill

    51 Mill Road, Guilford, CT 6437

    $325,000
    1,200 sqft · 0.08 AC lot

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

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    Professional Office Condominium For Sale
    Professional Office Condominium For Sale

    666 Boston Post Road #3, Guilford, CT 6437

    $295,000
    1,614 sqft

    Professional office condominium ideal for medical or wellness uses.

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    Office Space on Boston Post
    Office Space on Boston Post

    631 Boston Post Road, Guilford, CT 6437

    Contact for pricing
    5,936 sqft

    Two-story office space available on Boston Post Road.

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    Renovated 4-Room Professional Suite
    Renovated 4-Room Professional Suite

    2514 Boston Post Road Unit C6, Guilford, CT 6437

    Contact for pricing
    1,012 sqft

    Move-in-ready suite with private offices, treatment space options, and a new kitchenette and bathroom.

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    Prime Location Commercial Space
    Prime Location Commercial Space

    965 Boston Post Road, Guilford, CT 6437

    $899,000
    3,100 sqft

    3100 sqft commercial space in a prime location.

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    Downtown Guilford Commercial Space Available
    Downtown Guilford Commercial Space Available

    25 Water Street, Guilford, CT 6437

    Contact for pricing
    1,360 sqft

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

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    Waterfront Property with Redevelopment Potential
    Waterfront Property with Redevelopment Potential

    506 Whitfield Street, Guilford, CT 6437

    $4,250,000
    6,613 sqft · 0.59 AC lot

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

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    2nd Floor Office Condominium
    2nd Floor Office Condominium

    1791-1795 Boston Post Rd, Guilford, CT

    $167,000
    2,196 sqft · 2.06 AC lot

    2,196 SF office condo with private offices and amenities.

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    Waterfront Office Building on Sound
    Waterfront Office Building on Sound

    530 Whitfield Street, Guilford, CT 6437

    $9,750,000
    14,754 sqft · 4.60 AC lot

    Premier waterfront office building with Long Island Sound views.

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    Based on your search, we've compiled 80 Potential Opportunities for your consideration. Besides 16 Active listings in Guilford, CT, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 56 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

    Opportunities in Nearby Cities

    Here are 4 Similar properties we found in Nearby Locations for your consideration.

    Mixed-Use Motel and Retail Property
    Mixed-Use Motel and Retail Property

    60 Boston Post Road, Madison, CT 06443

    $2,500,000
    6,705 sqft · 1.91 AC lot

    Newly remodeled mixed-use property with motel rooms, offices, and retail space on Boston Post Road.

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    Professional Office Condo For Sale
    Professional Office Condo For Sale

    420 East Main Street Unit 7, Branford, CT 6405

    $325,000
    1,537 sqft

    Office condo with reception, offices, conference room, and workspace.

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    Private Spa & Wellness Office Suite
    Private Spa & Wellness Office Suite

    183 Montowese Street Unit A2, Branford, CT 6405

    Contact for pricing
    60 sqft

    Main-floor suite with a private room, waiting area, and bathroom, positioned for high visibility near downtown Branford.

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    Remodeled Mixed-Use Commercial Property
    Remodeled Mixed-Use Commercial Property

    60 Boston Post Road, Madison, CT 6443

    $2,500,000
    3,153 sqft · 1.91 AC lot

    Remodeled mixed-use property on Boston Post Road with high visibility.

    View details

    Potential Development Sites for Consideration

    Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

    Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

    Approved Commercial Lot in Madison
    Approved Commercial Lot in Madison

    885 Boston Post Road, Madison, CT 6443

    $749,000

    Commercial lot approved for 5,000 SF building in downtown Madison.

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    Mixed-Use Development Land Parcels
    Mixed-Use Development Land Parcels

    2022 Whitney Avenue, Hamden, CT 06517

    $625,000
    1.60 AC lot

    Two contiguous lots with frontage on Whitney Avenue and Skiff Street, supported by public utilities in CT T-5 zoning.

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    Old Saybrook Commercial Land Available
    Old Saybrook Commercial Land Available

    Middlesex Turnpike, Old Saybrook, CT 06475

    $495,000
    32.66 AC lot

    32.66 acres of commercial land in Old Saybrook, CT.

    View details
    Southold Land with Business Zoning
    Southold Land with Business Zoning

    55975 Route 25, Southold, NY 11971

    $1,600,000
    2.00 AC lot

    Two acres in Southold, NY with desirable business zoning.

    View details

    Off-Market Properties in Guilford, CT

    Consider similar Off-Market properties in Guilford, CT. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

    666 Boston Post Rd, Unit 4
    CONDOMINIUM OFFICES

    666 Boston Post Rd, Guilford, CT 06437

    Unit 4
    Value Estimation by Request
    1,670 sqft
    View details
    2414 Boston Post Rd
    OFFICE BUILDING

    2414 Boston Post Rd, Guilford, CT 06437-2310

    Value Estimation by Request
    2,739 sqft · 0.92 AC lot
    View details
    2514 Boston Post Rd Ste 5c
    CONDOMINIUM OFFICES

    2514 Boston Post Rd Ste 5c, Guilford, CT 06437-1339

    Value Estimation by Request
    1,012 sqft
    View details
    652 Boston Post Rd Ste, Unit 1
    CONDOMINIUM OFFICES

    652 Boston Post Rd Ste, Guilford, CT 06437-2748

    Unit 1
    Value Estimation by Request
    350 sqft
    View details
    2514 Boston Post Rd Ste 6c
    CONDOMINIUM OFFICES

    2514 Boston Post Rd Ste 6c, Guilford, CT 06437-1339

    Value Estimation by Request
    1,012 sqft
    View details
    75 Carter Dr
    OFFICE BUILDING

    75 Carter Dr, Guilford, CT 06437-2132

    $555,000
    Estimated value
    3,286 sqft · 7.41 AC lot
    View details
    135 Goose Ln
    OFFICE BUILDING

    135 Goose Ln, Guilford, CT 06437-2115

    $545,000
    Estimated value
    3,295 sqft · 0.80 AC lot
    View details
    45 Boston St
    OFFICE BUILDING

    45 Boston St, Guilford, CT 06437-2816

    Value Estimation by Request
    2,816 sqft · 0.46 AC lot
    View details

    Guilford, CT Office Spaces Market Trends and Statistics

    Explore 72 office spaces for sale in Guilford, CT, showcased through 16 active listings on our real estate platform. These investment opportunities span a total of 46,308 square feet of properties for sale, with an estimated market value of $22,245,000.

    Sale prices for office spaces in Guilford, CT start at $167,000, averaging $1,711,153, 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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    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Office Units 30
    Medical Office Space 8
    Office buildings 5
    Coworking space 3
    Creative space 1

    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 average listing prices of real estate assets

    Neighborhood Average Price
    06437 $1.4M

    Taxes & Financing

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

    Listings Trend

    New vs delisted commercial listings in New Haven County

    New Delisted

    Total CRE Inventory on Market (SF)

    Property Size Breakdown

    The majority of commercial real estate listings in Guilford fall within the 10,000 to 25,000 square foot range.

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