406 United Street, Key West, FL 33040 (MLS# 617845)

406 United Street, Key West, FL 33040

$4,300,000

Virtual Tour

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Property Type: Residential Bedrooms: 4 Baths: 5 Square Footage: 3,624 Lot Size (sq. ft.): 5,110 Status: Closed

Current Price: $4,300,000 List Date: 12/27/2025 Last Modified: 4/29/2026

Overview

Description

A Grand Historic Masterpiece! Few residences capture the true spirit of Old Town Key West quite like 406 United Street. Rooted in one of the island's most defining eras of growth and prosperity, this remarkable home is a celebration of historic craftsmanship, generous scale, and timeless value. Spanning 3,624 square feet, this 4bedroom, 4.5bath residence offers exceptional versatility, perfect for full-time living, a luxurious vacation retreat, or hosting extended family & guests. The home is being offered fully furnished, allowing for effortless enjoyment from day one. Each bedroom is spacious and thoughtfully designed with its own en suite bath, providing privacy and comfort throughout. Soaring ceilings, transom windows, and original Dade County pine walls honor the home's heritage, while modern upgrades including updated systems, surround sound, and security features blend historic charm with contemporary convenience. The chefs eat-in kitchen is both elegant and functional, featuri ... (Read more)

Listing Details MLS# 617845

Location, Tax & Legal

Street #: 406
Street Name: United
Street Suffix: Street
Key/Island: Key West
State/Province: FL
Zip Code: 33040
County: Monroe
Subdivision: Filer Boyle Sub (1.0)
Area: 01 - Key West

Contract Information

Listing Board: Key West Association
Potential Short Sale: No
Bank Owned: No

General Property Description

Realtor.COM Type: Residential - Single Family
Style: Single Family
Waterfront: No
Pool: Yes
Year Built: 1938
Lot SqFt: 5110
Lot Sqft Source: Property Data Card
Acres: 0.12
Living Apx SqFt: 3624
SqFt Source: Seller
Total Bedrooms: 4
Full Baths: 4
Half Baths: Yes
Total Baths: 5
Rentals Allowed: With Restrictions
Min Rental Days: 28

Status Change Info

Under Contract Date: 2026-03-10
Leased Date: 2026-04-09

Association Info

Mandatory Home Owners Asc: No
1st Right of Refusal: No

Building Style

Above Flood: Unknown
# Stories: 2 Stories

More Information

Vehicle Storage

Car(s): 2

Pool Info

Heated: Yes

Financial Status

Bank Owned: No
Potential Short Sale: No

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: None Waterview: No Waterview Dockage: None Building Style: Conch Vehicle Storage: Carport; Off Street Parking Furnished: Furnished Cooling: Ceiling Fans(s); Central Air Heating: Central Utilities: Buyer to Verify; Cable Available; FKAA; Municipal Sewer; Propane Interior Features: Bar; Built-in Cabinets; Cathedral Ceilings; Dade County Pine; Drapes/Blinds Incl; Granite Counter Top; Pantry; Smoke Alarms; Walk-in Closet(s); Whirlpool Bath Tub; Window Treatments Pre-Wired: Cable; Surround Sound Specialty Rooms: Laundry Room Appliances: Dishwasher; Dryer; Gas Appliances; Microwave; Oven; Range; Refrigerator; Stainless Steel Appliance(s); Washer; Wine Cooler Exterior Features: Fencing; Hot Tub; Lanai; Lighting; Sprinkler System; Water Display Pool Info: In Ground; Salt Water; Concrete Construction: Frame Floor: Tile; Wood Roof: Metal Roof Pets: Pets Allowed Security: On Premises System Land Size: Less Than 1/4 Acre Terms: Cash; Conventional

Listing Office: Truman & Co. (KW)

Last Updated: April - 29 - 2026

Broker Attribution: 305-587-3407

The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.