How much is 544 Warren Lane?

544 Warren Lane is listed at $8,000,000, which is about $7,663 per square foot. The listing page shows comparable active listings and recent closed sales nearby so you can judge the asking price against what buyers have actually paid.

What are the property taxes on 544 Warren Lane?

The listing reports annual property taxes of $29,546 for 2025. Taxes are reassessed at the sale price after a purchase, so a new owner's bill can differ from the current owner's; use the mortgage calculator on this page for an estimate.

When was 544 Warren Lane built?

544 Warren Lane was built in 2026 and the listing describes its condition as new construction. Age matters for insurance and financing in Florida: ask about the roof, the electrical panel and, for a condo built before the current code, the building's structural reserve study.

How long has 544 Warren Lane been on the market?

544 Warren Lane has been listed for 71 days. Days on market and price changes are the first signals of how much room there is to negotiate.

Which schools serve 544 Warren Lane?

The MLS lists Key Biscayne K-8 (elementary), Ponce De Leon (middle), Coral Gables (high). School assignments are set by the district and can change; verify them with the school board before you rely on them.

How do I see 544 Warren Lane?

Request a showing from this page or call BreakThru Realty and a licensed agent will arrange a private tour, in person or by video, and answer anything the listing leaves out.

544 Warren Lane, Key Biscayne, FL 33149

$8,000,000 · Active

6 beds
5.5 baths
1,044 sq ft
71 days on market
Single Family Residence
Built 2026
New Construction
Lot 7,840.8 sq ft
2,229 sq ft total
Miami-Dade County
MLS# A12079811
Tropical Isle Homes Sub

Photo 1 at 544 Warren Lane, Key Biscayne

Photo 2 at 544 Warren Lane, Key Biscayne

Photo 3 at 544 Warren Lane, Key Biscayne

Photo 4 at 544 Warren Lane, Key Biscayne

Photo 5 at 544 Warren Lane, Key Biscayne

Photo 6 at 544 Warren Lane, Key Biscayne

Photo 7 at 544 Warren Lane, Key Biscayne

Photo 8 at 544 Warren Lane, Key Biscayne

About this home

New construction, this extraordinary custom Cape Dutch residence is a masterwork of timeless design, brought to life by Duncan and Heuser Design and Development, with interiors curated by James Duncan. Every detail, from the graceful gabled facade to the refined finishes within, reflects a rare devotion to craftsmanship and enduring elegance. Offering six generously proportioned bedrooms and six and a half beautifully appointed bathrooms, this home balances gracious scale with warm, livable comfort. Soaring ceilings, thoughtfully placed windows, and an effortless flow between rooms create a sense of light and openness throughout, while curated materials and bespoke millwork lend a distinctly luxurious character to every space. This is more than a house; it is a legacy residence, designed to be lived in beautifully for generations. A truly rare offering for the discerning buyer seeking timeless architecture, exceptional interiors, and uncompromising quality throughout.

Features

Vaulted Ceiling(s)
Walk-In Closet(s)
Built-in Barbecue
In Ground

Schools

Elementary: Key Biscayne K-8
Middle: Ponce De Leon
High: Coral Gables

Presented by

BreakThru Realty · (786) 914-1017

Courtesy of

Duncan Studio Real Estate Division PLLC · james@james-duncan.com · Listing agent: James S Duncan

All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Copyright © 2026 BeachesMLS, Inc. IDX information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed accurate by BeachesMLS. Listings held by brokerage firms other than BreakThru Realty carry the name of the listing broker.

Schedule a showing

Call or text BreakThru Realty at (786) 914-1017 or email sales@breakthrurealty.com to see 544 Warren Lane.

Before You Make an Offer

Buying new construction from a builder

Your Buyer May Already Be Working With BreakThru Realty

Buyers come to BreakThru Realty searching for homes like this one, and many have shared their exact requirements with us: the neighborhood, the price, the bedrooms, the pool, the timing. If you own a home nearby and are weighing a sale, a broker can check it against those requirements before you list, and if no buyer on file fits, show you how we would reach the rest of the market.

BreakThru Realty works with hundreds of prequalified buyers searching for properties. Before you list, a broker reviews what you own, the market around it and whether an existing buyer's requirements match. If none does, you see how we would position it to reach other qualified buyers.

Find Out If We Have Your Buyer · Discuss Selling With BreakThru Realty

A potential match is a conversation, not an offer, until the buyer sees your property and makes one. No buyer is named and nothing about your property or business is shared until you decide to proceed.

Questions About 544 Warren Lane

How much is 544 Warren Lane?: 544 Warren Lane is listed at $8,000,000, which is about $7,663 per square foot. The listing page shows comparable active listings and recent closed sales nearby so you can judge the asking price against what buyers have actually paid.
What are the property taxes on 544 Warren Lane?: The listing reports annual property taxes of $29,546 for 2025. Taxes are reassessed at the sale price after a purchase, so a new owner's bill can differ from the current owner's; use the mortgage calculator on this page for an estimate.
When was 544 Warren Lane built?: 544 Warren Lane was built in 2026 and the listing describes its condition as new construction. Age matters for insurance and financing in Florida: ask about the roof, the electrical panel and, for a condo built before the current code, the building's structural reserve study.
How long has 544 Warren Lane been on the market?: 544 Warren Lane has been listed for 71 days. Days on market and price changes are the first signals of how much room there is to negotiate.
Which schools serve 544 Warren Lane?: The MLS lists Key Biscayne K-8 (elementary), Ponce De Leon (middle), Coral Gables (high). School assignments are set by the district and can change; verify them with the school board before you rely on them.
How do I see 544 Warren Lane?: Request a showing from this page or call BreakThru Realty and a licensed agent will arrange a private tour, in person or by video, and answer anything the listing leaves out.
To request a tour, call (786) 914-1017 or email sales@breakthrurealty.com.

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The 5 bedroom home at 571 Glenridge Road, Key Biscayne, FL 33149 is comparable and listed for sale at $7,490,000. Another comparable home, 165 Hampton Lane, Key Biscayne, FL 33149, sold for $7,767,500 in October 2026. Other Key Biscayne neighborhoods include Ocean Club and Biscayne Key Estates. Nearby ZIP codes include 33131 and 33129. This property also neighbors Brickell, Miami, and Fisher Island. Compare it with the Key Biscayne housing market report.