645 United St, Key West, FL 33040
OFF MARKET

645 United St
Key West, FL 33040

Upper Duvall
  • 2 Beds
  • 1 Bath
  • 200 sqft (on 1.22 acres)

$1,903,700

Trulia Estimate
as of Jul 28, 2026
Est. Refi. Payment $11,153/mo*

$1,903,700

Trulia Estimate
as of Jul 28, 2026
Est. Refi. Payment $11,153/mo*
2 Beds
1 Bath
200 sqft
(on 1.22 acres)

Local Information

  • Map ViewExplore the area around 645 United St.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
1939
Lot Size
1.22 acres
Living Area
200 sqft
Price/Sqft
$9,519

About this House

This single-family home is located at 645 United St, Key West, FL. 645 United St is in the Upper Duvall neighborhood in Key West, FL and in ZIP code 33040. This property has 2 bedrooms, 1 bathroom and approximately 200 sqft of floor space. This property has a lot size of 1.22 acres and was built in 1939.
645 United St, Key West, FL 33040 is a 2 bedroom, 1 bathroom, 200 sqft single-family home in Upper Duvall, built in 1939. It is currently off market. The Trulia Estimate is $1,903,700, with a rent estimate of $4,855/month.

Home Details for 645 United St

Interior Features

Levels, Entrance, & Accessibility
Stories: 1

Exterior Features

Exterior Home Features
Roof: MetalExterior: Other, Wood, Cement Concrete, MetalFoundation Type: Slab

Property Information

Year Built
Year Built: 1939
Property Type / Style
Property Type: Single Family Home

Community

Units in Building: 12

Lot Information

Lot Area: 1.22 acres

Market trends in Key West

Last updated June 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$1.23M
$20.83K
MoM
Sale-to-List Price
94.6%
0.3%
MoM
Price per sq ft
$958
$15
MoM
Available listings
288
17
MoM
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Property Tax and Assessment

Year2025
Tax$32,279
Assessment$1,803,782
Home facts updated by county records

Comparable Sales for 645 United St

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
0.17
Single-Family Home
$1,075,000
10/07/25
2
1
840
0.05
Single-Family Home
$2,150,000
06/22/26
2
2
881
0.30
Single-Family Home
$507,500
02/05/26
2
1
612
0.09
Single-Family Home
$1,442,400
06/26/26
2
2
837
0.28
Single-Family Home
$865,000
05/15/26
1
1
510
0.42
Single-Family Home
$865,000
03/23/26
2
1
723
0.29
Single-Family Home
$1,000,000
07/07/26
1
1
594
0.27
Single-Family Home
$1,175,000
07/22/26
2
2
896
0.22
Single-Family Home
$1,677,000
04/30/26
2
2
1,193
0.25
Single-Family Home
$2,765,000
02/25/26
1
1
1,064

Nearby homes

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Assigned Schools

These are the assigned schools for 645 United St.
The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

Neighborhood Overview

Neighborhood stats provided by third party data sources.

What Locals Say about Upper Duvall

At least 25 Trulia users voted on each feature.
  • 90 % Say it's walkable to restaurants

  • 87 % Say it's dog friendly

  • 77 % Say there are sidewalks

  • 74 % Say it's walkable to grocery stores

  • 74 % Say people would walk alone at night

  • 72 % Say streets are well-lit

  • 60 % Say there's holiday spirit

  • 59 % Say yards are well-kept

  • 58 % Say it's quiet

  • 52 % Say there's wildlife

  • 44 % Say they plan to stay for at least 5 years

  • 43 % Say there are community events

  • 41 % Say kids play outside

  • 38 % Say neighbors are friendly

  • 22 % Say parking is easy

  • 10 % Say car is needed

Sourced by Trulia users. Learn more about our methodology.
  • Trulia User
    "Sunset Carnival and walkability. Beautiful houses and sidewalks. Many houses have gardens and are very well maintained. "
  • Trulia User
    "Very beautiful, most people are really nice and cordial. Also very walkable to shops, the marina, and restaurants/bars. But I am just visiting and walking around for a few days."
  • Marjoe55
    "We live on Shanty Creek, wish flows into Maumee bay. We face East on a tiny peninsula of forty houses."

LGBTQ Local Legal Protections

Apartments for Rent

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Homes for sale near 645 United St

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Off Market Homes Near 645 United St

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