Miami General Contractor

We build better homes, remodel smarter spaces, and increase your property value.

Your trusted residential general contractor in South Florida. Custom homes, ground-up new construction, and full-gut renovations — managed end-to-end with technology and proven processes.

Timeless in Coral Gables — Marble, Wood & Brass Kitchen Remodel

35+ Per Year

Completed Projects

50+

Trained Professionals

100%

Satisfied Customers

1527226

License Number

What we build

Residential general contracting at every scale

We specialize in residential new construction and full-gut renovations across Miami-Dade and Broward. Whether you're building from the ground up or transforming an existing home, JMK handles every stage with the same discipline.

New Construction

Ground-up residential and multifamily new construction across Miami-Dade and Broward. From foundation to certificate of occupancy.

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Custom Homes

For homeowners who want exactly what they envisioned. We work with your architect, or bring one to the table.

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Full-Gut Renovations

Complete home renovations that touch every system, every surface. Coordinated trades and real timelines.

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Additions & Conversions

Adding square footage, in-law suites, second stories — without compromising the home you already love.

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Why JMK

A residential contractor built on systems, not memory

We've invested in the technology and team most residential contractors don't have. The result: clearer scopes, tighter timelines, and a project process you can actually see.

Engineered, not estimated

3D LiDAR site scans on every project. Our engineering team turns the scan into precise measurements and material take-offs — before your contract is drafted.

Real-time transparency

Every project runs through Buildertrend, with live job-site cameras. You see the same schedule and budget your project team sees.

A team that runs on data

Custom dashboards drive daily priorities and a rolling two-week look-ahead. Bottlenecks resolved before they hit your project.

What clients say

Trusted by homeowners across South Florida

★★★★★

"Their attention to detail and care for our experience living through the renovation made the entire process feel manageable. JMK delivered exactly what they promised."

— Homeowner · Miami Beach

★★★★★

"We knew the budget upfront, the timeline upfront, and what we'd see each week. The Buildertrend portal kept everything organized. Best contractor experience we've had."

— Homeowner · Coral Gables

★★★★★

"Full-gut renovation done right. The 3D scan caught issues other contractors would have hit mid-project as change orders. Highly recommend for serious renovation work."

— Homeowner · Coconut Grove

FAQ

Common questions about building & renovating in Miami

The questions Miami homeowners ask us most. Full FAQ below — or see all questions.

How much does it cost to build a custom home in Miami?
Custom home construction in Miami typically ranges from $350 to $700 per square foot for the build itself, with luxury finishes pushing $800+. A 3,000 sq ft custom home generally runs $1.1M–$2.1M for construction, not including land or design fees. Costs vary significantly based on lot conditions (flood elevation requirements add 10–15%), finish level, structural complexity, and current Miami-Dade permit timing. At JMK, we provide engineered estimates from 3D LiDAR site scans before contract — so the number you see at signing is the number you pay, with change-order rates a fraction of the industry average.
How much does a whole-house gut renovation cost in Miami?
A full-gut renovation in Miami typically costs $250 to $500 per square foot, depending on finish level, structural changes, and the condition of the existing home. A 2,500 sq ft full-gut runs roughly $625K–$1.25M. Miami's older housing stock often requires additional work on plumbing, electrical, and hurricane impact windows — work that's frequently discovered mid-project by less-thorough contractors. Our 3D LiDAR scan captures these conditions upfront, before contract, so the scope and price reflect reality from day one.
What's the difference between a renovation and a gut renovation?
A renovation updates and improves existing spaces while keeping most of the structure intact — new finishes, new fixtures, updated kitchens or baths. A gut renovation strips a home down to its studs (or even to the foundation), then rebuilds everything from electrical and plumbing systems upward. Gut renovations are necessary when the existing systems are at end of life, the floor plan needs to change significantly, or the home requires hurricane code upgrades. They cost 2–3x more than cosmetic renovations but deliver essentially a new home inside the existing footprint.
How long does it take to build a custom home in Miami?
Building a custom home in Miami typically takes 14 to 22 months from contract signing to certificate of occupancy. The breakdown: design and permitting takes 4–8 months (longer for waterfront, historic district, or flood zone homes), site work and foundation takes 2–3 months, and vertical construction through final inspection runs 8–12 months. Miami-Dade's permit review timing is the most common cause of delays. We manage the full permit process and provide a rolling two-week look-ahead schedule so you always know what's coming next.
How long does a full-gut renovation take in Miami?
A full-gut renovation in Miami typically takes 6 to 12 months, depending on home size and scope. The phases: design and permitting takes 2–4 months, demolition takes 2–3 weeks, rough-in work (framing, MEP, drywall) runs 8–14 weeks, and finishes and final inspection runs 6–12 weeks. The biggest schedule risks are permit timing, custom material lead times (typically 8–16 weeks for cabinets and stone), and discoveries during demolition. Our 3D LiDAR scan reduces discovery delays by surfacing conditions before demo starts.
Where do I start with a whole-home remodel?
Start with a clear-eyed assessment of three things: your budget range, your must-haves vs. nice-to-haves, and how long you can live elsewhere if the renovation requires it. Then engage a general contractor before an architect — a good GC will help you understand realistic budgets and constraints before you spend money on plans that don't fit your scope. At JMK, we offer a free initial consultation and 3D LiDAR site scan that gives you a measured scope before you commit to design work.

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Tell us about what you're building. We'll respond within one business day with next steps.

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