Monmouth County, NJ Duplexes for Sale

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Updated: Jun 19

Brick Duplex with Yoga Studio

335 Maple Place, Keyport, NJ 07735

$795,000

2,800 sqft 0.11 AC lot

0.11‑acre lot in Keyport’s NC (Neighborhood Commercial) District
Commercial yoga studio with half bath, plus a first‑floor studio apartment
Second‑floor residential unit with approximately 1,400 SF and abundant natural light
Whole‑house generator
Private driveway parking for two vehicles plus ample street parking

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335 Maple Place, Keyport, NJ 07735

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Est. Cap Rate

5.9%
NOI ÷ price
Est. NOI

$47K
Annual
Price @ 7% Cap

$669K
Suggested
Property Type

Commercial (General)
Built 1955

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Updated: Aug 7

Duplex with Wooded Setting

1 Thompson Drive, Leonardo, NJ 07737

$999,900

2,912 sqft 1.12 AC lot

Legal two‑family property with 2,912 square feet of interior space
1.12‑acre lot set back from the main road and adjoining private woods
Five bedrooms, three bathrooms, and a basement
Expansive driveway with abundant off‑street parking
Public water and public sewer

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Victorian Duplex with Ocean Views

37 Broadway, Ocean Grove, NJ 07756

$1,599,000

1,510 sqft 0.05 AC lot

Two-family property with separate living areas, porches, patio, and outdoor shower.

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Renovated Victorian Duplex

103 Central Avenue, Ocean Grove, NJ 07756

$1,999,000

3,239 sqft 0.06 AC lot

Multi-level duplex with lakefront and ocean views, updated kitchens, porch, patio, and fenced outdoor space.

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Renovated Two-Family Home

22 Washington St, Long Branch, NJ 07740

$1,100,000

7,841 sqft

Two units offer three bedrooms, one-and-a-half baths, and private laundry facilities.

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Duplex With Two Newly Remodeled Homes

383 Navesink Avenue, Atlantic Highlands, NJ 07716

$1,350,000

3,500 sqft 0.21 AC lot

Duplex with a 3-bed/3-bath home and a 2-bed/1-bath home, with public water and public sewer.

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Updated Two-Unit Duplex

170 Forest Avenue, Keansburg, NJ 07734

$575,000

1,360 sqft 0.14 AC lot

Two separate living areas include kitchens and independent gas and electric service, with flexibility for single-household use.

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Two-Cottage Duplex with Patio

100 Cookman Avenue, Ocean Grove, NJ 07756

$849,000

1,700 sqft 0.04 AC lot

Legal two-family property with separate heating, cooling, and hot-water systems serving each residence.

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Renovated Duplex with Finished Basement

Asbury Park, NJ 07712

$849,999

2,000 sqft 0.08 AC lot

Two-family residential property with updated interiors, a finished lower level, and natural gas service.

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Two-Family Duplex with Garage

65 Atlantic Avenue, Long Branch, NJ 07740

$999,000

2,006 sqft

Corner-lot residence with porch, basement, attic, and hardwood flooring near the beach.

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Duplex with Finished Third Floor

97 Asbury Avenue, Ocean Grove, NJ 07756

$1,200,000

2,217 sqft 0.04 AC lot

Flexible two-family layout with three bedrooms, three full baths, and two kitchens.

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Updated Two-Family Victorian Duplex

37 Broadway, Ocean Grove, NJ 07756

$1,599,000

1,510 sqft

Three-level property offers flexible living arrangements, outdoor spaces, and beach access in Ocean Grove.

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Updated Two-Unit Duplex

170 Forest Avenue, Keansburg, NJ 07734

$575,000

1,500 sqft 0.14 AC lot

Separate apartments provide individual kitchens, living areas, and one bedroom and bath each.

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Two-Home Duplex Property

1213 10th Avenue, Neptune, NJ 07753

$574,900

1,565 sqft 0.16 AC lot

Occupied two-unit property with separate utilities, fenced grounds, and a front residence offering first-floor bedroom access.

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Duplex Property with Detached Garages

175 Broad St, Manasquan, NJ 08736

$1,499,000

3,530 sqft

Two residences offer flexible living arrangements, storage, outdoor space, and potential rental income.

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Duplex with Two Kitchens

264 West End Avenue, Long Branch, NJ 07740

$899,000

1,740 sqft 0.19 AC lot

Tenant-occupied two-story duplex with a partially finished basement, porch, patio, and storage shed.

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Updated Duplex with Private Driveway

198 Main St, Keansburg, NJ 07734

$475,000

1,306 sqft

Two one-bedroom residences offer renovated kitchens and bathrooms, private parking, and separate outdoor space.

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Duplex with Vacant Upper Unit

120 Atkins Avenue, Neptune, NJ 07753

$599,000

1,798 sqft 0.15 AC lot

Two-unit property with one occupied apartment, one vacant apartment, and separate electric and gas utilities.

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Two-Cottage Duplex with Separate Systems

100 Cookman Avenue, Ocean Grove, NJ 07756

$849,000

1,700 sqft

Two distinct cottages offer separate systems, flexible layouts, and character-rich indoor and outdoor spaces.

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Renovated Duplex with Finished Basement

1257 Washington Avenue, Asbury Park, NJ 07712

$849,999

1,960 sqft 0.08 AC lot

Renovated duplex built in 1930 featuring a finished basement and public water and public sewer services.

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Corner-Lot Duplex with Separate Utilities

120 Atkins Avenue, Neptune, NJ 07753

$625,000

1,798 sqft 0.15 AC lot

Two-unit property with a tenant-occupied lower residence and a vacant upper unit ready for occupancy.

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Fully Renovated Duplex with Updated Systems

242 1st Street, Keyport, NJ 07735

$750,000

2,200 sqft 0.11 AC lot

Fully renovated two-unit duplex with brand-new water and heating systems and public water and sewer service.

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Two-Unit Duplex with Wooded Setting

1 Thompson Drive, Leonardo, NJ 07737

$999,900

2,912 sqft

Legal two-family configuration with substantial off-street parking and a private setting near beaches, marina access, and commuter transportation.

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New Construction Duplex with Deck

1611 River Road, Belmar, NJ 07719

$1,449,999

2,469 sqft 0.12 AC lot

Two residences offer updated layouts, private laundry, outdoor space, and convenient parking near Belmar amenities and beaches.

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Monmouth County, NJ Duplexes Market Trends and Statistics

Explore 92 duplexes for sale in Monmouth County, NJ, showcased through 92 active listings on our real estate platform. These investment opportunities span a total of 143,742 square feet of properties for sale, with an estimated market value of $72,585,905.

Sale prices for duplexes in Monmouth County, NJ start at $275,000, averaging $806,510, and reaching up to $1,999,000 — 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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