Kara & Company Realty | Flat for Sale in Portsmouth NH

Photo of 18 Congress Street #304 Portsmouth NH 03801

New Listing

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18 Congress Street #304 Portsmouth NH 03801

$1,549,000

Beds: 2

Baths: 2

Sq Ft: 1,482

Days on Market: 6

Updated 3 Minutes Ago

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Photo of 18 Congress Street #308 Portsmouth NH 03801

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18 Congress Street #308 Portsmouth NH 03801

$1,195,000

Beds: 2

Baths: 2

Sq Ft: 1,253

Days on Market: 17

Updated 3 Minutes Ago

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Photo of 80 Constitution Avenue #317 Portsmouth NH 03801

Open: Monday 11 am - 3 pm

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80 Constitution Avenue #317 Portsmouth NH 03801

$749,900

Beds: 2

Baths: 2

Sq Ft: 1,024

Days on Market: 74

Open: 3/23/26 11 AM - 3 PM, 3/24/26 11 AM - 3 PM, 3/25/26 11 AM - 3 PM

Updated 3 Minutes Ago

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Photo of 80 Constitution Avenue #403 Portsmouth NH 03801

Open: Monday 11 am - 3 pm

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28 photos

80 Constitution Avenue #403 Portsmouth NH 03801

$739,900

Beds: 2

Baths: 2

Sq Ft: 1,000

Days on Market: 76

Open: 3/23/26 11 AM - 3 PM, 3/24/26 11 AM - 3 PM, 3/25/26 11 AM - 3 PM

Updated 3 Minutes Ago

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Photo of 80 Constitution Avenue #201 Portsmouth NH 03801

Open: Monday 11 am - 3 pm

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28 photos

80 Constitution Avenue #201 Portsmouth NH 03801

$694,900

Beds: 2

Baths: 2

Sq Ft: 974

Days on Market: 45

Open: 3/23/26 11 AM - 3 PM, 3/24/26 11 AM - 3 PM, 3/25/26 11 AM - 3 PM

Updated 3 Minutes Ago

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Photo of 80 Constitution Avenue #331 Portsmouth NH 03801

Under Contract

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80 Constitution Avenue #331 Portsmouth NH 03801

$599,900

Beds: 2

Baths: 2

Sq Ft: 975

Days on Market: 29

Updated 3 Minutes Ago

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Photo of 80 Constitution Avenue #407 Portsmouth NH 03801

Under Contract

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80 Constitution Avenue #407 Portsmouth NH 03801

$594,900

Beds: 1

Baths: 1

Sq Ft: 833

Days on Market: 17

Updated 3 Minutes Ago

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Photo of 80 Constitution Avenue #231 Portsmouth NH 03801

Open: Monday 11 am - 3 pm

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80 Constitution Avenue #231 Portsmouth NH 03801

$589,900

Beds: 2

Baths: 2

Sq Ft: 974

Days on Market: 144

Open: 3/23/26 11 AM - 3 PM, 3/24/26 11 AM - 3 PM, 3/25/26 11 AM - 3 PM

Updated 3 Minutes Ago

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Photo of 80 Constitution Avenue #408 Portsmouth NH 03801

Under Contract

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80 Constitution Avenue #408 Portsmouth NH 03801

$534,900

Beds: 1

Baths: 1

Sq Ft: 723

Days on Market: 2

Updated 3 Minutes Ago

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Photo of 80 Constitution Avenue #429 Portsmouth NH 03801

Open: Monday 11 am - 3 pm

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32 photos

80 Constitution Avenue #429 Portsmouth NH 03801

$499,900

Beds: 1

Baths: 1

Sq Ft: 720

Days on Market: 112

Open: 3/23/26 11 AM - 3 PM, 3/24/26 11 AM - 3 PM, 3/25/26 11 AM - 3 PM

Updated 3 Minutes Ago

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Photo of 80 Constitution Avenue #229 Portsmouth NH 03801

Open: Monday 11 am - 3 pm

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32 photos

80 Constitution Avenue #229 Portsmouth NH 03801

$474,900

Beds: 1

Baths: 1

Sq Ft: 720

Days on Market: 18

Open: 3/23/26 11 AM - 3 PM, 3/24/26 11 AM - 3 PM, 3/25/26 11 AM - 3 PM

Updated 3 Minutes Ago

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Photo of 80 Constitution Avenue #209 Portsmouth NH 03801

Under Contract

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80 Constitution Avenue #209 Portsmouth NH 03801

$449,900

Beds: 1

Baths: 1

Sq Ft: 723

Days on Market: 54

Updated 3 Minutes Ago

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Photo of 80 Constitution Avenue #214 Portsmouth NH 03801

Open: Monday 11 am - 3 pm

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32 photos

80 Constitution Avenue #214 Portsmouth NH 03801

$449,900

Beds: 1

Baths: 1

Sq Ft: 722

Days on Market: 19

Open: 3/23/26 11 AM - 3 PM, 3/24/26 11 AM - 3 PM, 3/25/26 11 AM - 3 PM

Updated 3 Minutes Ago

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Photo of 80 Constitution Avenue #323 Portsmouth NH 03801

Under Contract

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27 photos

80 Constitution Avenue #323 Portsmouth NH 03801

$416,000

Beds: 1

Baths: 2

Sq Ft: 971

Days on Market: 64

Updated 3 Minutes Ago

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Photo of 90 Fleet Street #3-2 Portsmouth NH 03801

Under Contract

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90 Fleet Street #3-2 Portsmouth NH 03801

$389,000

Beds: 1

Baths: 1

Sq Ft: 584

Days on Market: 12

Updated 3 Minutes Ago

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Photo of 80 Constitution Avenue #225 Portsmouth NH 03801

Open: Monday 11 am - 3 pm

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27 photos

80 Constitution Avenue #225 Portsmouth NH 03801

$380,000

Beds: 1

Baths: 1

Sq Ft: 723

Days on Market: 167

Open: 3/23/26 11 AM - 3 PM, 3/24/26 11 AM - 3 PM, 3/25/26 11 AM - 3 PM

Updated 3 Minutes Ago

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Photo of 90 Fleet Street #3-1 Portsmouth NH 03801

Under Contract

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90 Fleet Street #3-1 Portsmouth NH 03801

$330,000

Beds: 1

Baths: 1

Sq Ft: 380

Days on Market: 36

Updated 3 Minutes Ago

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