Sell Land in Miami-Dade: Infill Lot & Zoning Guide

Vacant land in Miami-Dade County is mostly urban infill: small lots in Miami neighborhoods like Allapattah, Little Haiti, Overtown and Little Havana, where value is set by zoning, not just lot size. Inside the City of Miami that zoning is the Miami 21 code, and countywide the Urban Development Boundary separates land meant for development from agricultural and environmental land. Code liens, unsafe structure cases, flood zone and Florida’s Live Local Act all affect price, and a direct buyer like SWFL Land can make an as-is cash offer, usually within 24 hours, closing through a Florida title company.

Miami-Dade Land at a Glance

Miami-Dade is Florida’s most populous county, with 2,701,767 residents at the 2020 Census and a Census Bureau estimate of 2,802,029 in July 2025. With that many people and very little open land left inside the urban area, most vacant parcels here are small infill lots, and the question buyers ask first is “what can be built here?”

Our Miami-Dade land buying page gives an overview of the areas we buy in. Spanish-speaking owners can read this information on our page vender terreno en Miami-Dade or visit our Spanish-language home page.

Urban Infill Lots by Neighborhood

Infill lots are usually leftover parcels: a lot where a house was demolished, a corner lot never built on, or a small commercial parcel between buildings. Here is how the main areas differ.

Allapattah and Little Haiti. Both have older single-family and duplex lots near commercial corridors and areas already seeing redevelopment. We buy lots in both; see our pages to sell a lot in Allapattah and to sell land in Little Haiti.
Overtown. Close to downtown, with scattered vacant lots, some carrying old code or demolition liens. Learn how we buy land in Overtown.
Little Havana. Dense and walkable, with many small lots where zoning, not size, sets the value. See our page to sell a Little Havana lot.
Wynwood and Edgewater. Vacant parcels are rare and priced on development potential. See how we buy land in Wynwood and Edgewater.
Brickell and Coconut Grove. Land here is scarce and valued by what can be built. We look at parcels in both; see selling land in Brickell and selling a Coconut Grove lot.
Coral Gables and Miami Beach. Separate cities with their own zoning and strict design review. See our pages to sell land in Coral Gables and to sell a Miami Beach lot.

For anywhere in the City of Miami, start with our page to sell land in Miami.

Miami 21: The City of Miami’s Zoning Code

Inside the City of Miami, zoning is governed by Miami 21, a form-based code adopted in October 2009. A form-based code focuses on the shape, height and placement of buildings and how they meet the street, not only on use. The Miami 21 Atlas assigns every parcel in the city to a transect zone.

The main zones for vacant land are:

Zone	Name	What it generally means for a lot
T3	Sub-Urban	Lower-density residential neighborhoods
T4	General Urban	Denser residential, such as small multifamily
T5	Urban Center	Mid-rise mixed use
T6	Urban Core	High-rise; the number (T6-8, T6-12, T6-24 and up) reflects maximum stories

Zones T3 through T5 also carry letter suffixes: R (restricted), L (limited) and O (open), with O allowing the widest mix of uses. The code also has civic (CS), civic institution (CI) and district (D) zones.

Why this matters: two lots of the same size a few blocks apart can be worth very different amounts because one is T3-R and the other is T5-O. Look up your parcel’s zone on the city’s GIS map or the Miami 21 code site before you price it.

Outside the City of Miami, each municipality (Coral Gables, Miami Beach, Hialeah and others) and unincorporated Miami-Dade has its own zoning code.

The Urban Development Boundary (UDB)

The Urban Development Boundary is the line on Miami-Dade County’s Comprehensive Development Master Plan that separates land intended for urban development from agricultural and environmental land to the west and south, toward the Everglades.

Moving the UDB takes a vote of the county commission and is fought hard. In November 2022, for example, commissioners voted 8-4 to move it for a 380-acre logistics project north of Homestead Air Reserve Base, over the mayor’s objections.

For sellers, the rule of thumb is simple. Land inside the UDB can usually be developed under its zoning. Land outside the UDB is valued mostly as agricultural or rural land, and any higher use depends on a boundary change that may never happen. Do not price outside-UDB land as if it were a future subdivision.

Not sure where your parcel stands? Get a starting number with our lot value tool, or request a cash offer on your Miami-Dade land. We usually respond within 24 hours.

Code Liens and Unsafe Structure Cases

Many Miami-Dade vacant lots carry code enforcement history. Common problems include overgrown lots, dumping, missing fences, or a structure that was declared unsafe and later demolished.

How Code Liens Build Up

Under Florida Statute 162.09, a local code enforcement board can fine up to $250 per day for a first violation and up to $500 per day for a repeat violation. Once a certified copy of the fine order is recorded, it becomes a lien against the land. After three months unpaid, the local government may move to foreclose on non-homestead property. Vacant lots are never homestead, so this risk is real.

In the City of Miami, the Code Enforcement Board handles these cases. Once the property is brought into compliance, an owner can ask the board to mitigate (reduce) the lien under section 2-817 of the city code. The city also offers an online lien and violation search.

Unsafe Structures

Miami-Dade County treats a building as unsafe if it is structurally unsound, dilapidated or otherwise unsafe for use. Enforcement can lead to demolition orders, civil fines and liens, and owners can appeal to the county’s Unsafe Structures Appeal Panel. In the City of Miami, an owner must request an appeal within ten days of the First Notice.

A lot with an old unsafe structure case often carries demolition costs and fines that a buyer must clear. We buy these parcels as-is; see how we buy land with code liens. A title company will order lien searches from each agency and pay off or negotiate what is owed at closing.

The Live Local Act

Florida’s Live Local Act (Senate Bill 102 in 2023, amended by SB 328 in 2024 and by later legislation) changed what can be built on some commercial and industrial land. Under Florida Statute 166.04151(7), a city must allow multifamily and mixed-use residential projects on land zoned commercial, industrial or mixed use if:

At least 40% of the residential units are affordable rentals for at least 30 years.
In a mixed-use project, at least 65% of the total square footage is residential.

Qualifying projects get administrative approval and cannot be held below the highest density allowed in the jurisdiction. Height can be limited only to the tallest commercial or residential building allowed within one mile, or three stories, whichever is higher. A matching section, 125.01055, applies to counties. Miami-Dade’s 2026 guidance notes that the highest allowed density in unincorporated areas reaches 250 units per acre in a Metropolitan Urban Center.

What it means for sellers: a commercially zoned or industrial lot in Miami-Dade may be worth more to a housing developer than its current zoning suggests. A single-family residential lot does not qualify. If you own commercial or industrial land, get zoning advice before accepting a price based only on its existing use.

Property Appraiser, Tax Collector and Closing Costs

Miami-Dade Property Appraiser

The Property Appraiser’s online property search shows the owner of record, folio number, lot size, land use and assessed value. The folio number is what title companies and buyers use to identify your lot. The appraiser’s value is for tax purposes and is not a market appraisal.

Miami-Dade Tax Collector

The Miami-Dade Tax Collector bills property taxes and non-ad valorem assessments together. Florida law sets the schedule:

Taxes are due November 1, with a 4% discount in November, 3% in December, 2% in January and 1% in February.
Unpaid taxes are delinquent April 1.
Tax certificates are sold by June 1 (or 60 days after delinquency, if later).
A certificate holder can apply for a tax deed two years after April 1 of the year the certificate was issued.

Back taxes can be paid from your sale proceeds. See our guide to selling land with back taxes in Florida.

Documentary Stamp Tax on Deeds

Miami-Dade has its own deed tax rate. According to the Florida Department of Revenue, deeds here are taxed at $0.60 per $100 for a single-family residence. For any other property, including vacant land, the rate is $0.60 plus a $0.45 surtax per $100. Who pays is negotiable in your contract.

Flood Zones

Much of Miami-Dade is low-lying, and flood zone affects building cost and insurance. The county’s flood page states that the last full FEMA map update took effect September 11, 2009, and FEMA has since issued preliminary updated maps. Check your parcel’s current zone on FEMA’s Flood Map Service Center or the county’s flood zone application before listing.

What Drives Land Value in Miami-Dade

Zoning. Under Miami 21 or local codes, what can legally be built is the single biggest factor.
Inside or outside the UDB. This separates urban land from agricultural land.
Lot size and shape. Width and depth control setbacks and building footprint.
Liens and open cases. Code liens, demolition liens and unpaid taxes come off the price.
Flood zone and elevation. Higher-risk zones add cost.
Neighborhood momentum. Nearby new construction and rents support higher land prices.
Comparable sales. See our guide on how to comp vacant land.

How to Sell Land in Miami-Dade

List with an agent if the lot is clean, well zoned and in a strong neighborhood. Sell to a developer if you have a larger or commercially zoned parcel. Sell direct if the lot has liens, title problems or you want a simple, as-is sale.

SWFL Land makes cash offers for land and can also buy with owner financing. For inherited lots, see selling probate land in Florida and selling inherited land in Florida. Our how it works page explains each step to closing.

Wholesalers and agents can send Miami-Dade deals through our wholesaler deal page. Also see our guides to wholesaling land in Florida, the Florida land due diligence checklist, and land exit strategies.

Frequently Asked Questions

What is Miami 21?

Miami 21 is the City of Miami’s form-based zoning code, adopted in October 2009. It assigns every parcel a transect zone, such as T3 (Sub-Urban), T4 (General Urban), T5 (Urban Center) or T6 (Urban Core), which controls building height, placement and use.

What is the Urban Development Boundary in Miami-Dade?

It is the line in the county’s Comprehensive Development Master Plan that separates land meant for urban development from agricultural and environmental land. Moving it requires a county commission vote.

Can I sell a Miami lot with code enforcement liens?

Yes. Liens are paid or negotiated at closing through the title company. In the City of Miami, owners who bring a property into compliance can ask the Code Enforcement Board to mitigate the lien.

Does the Live Local Act apply to my lot?

Only if it is zoned commercial, industrial or mixed use. Qualifying projects must set aside at least 40% of units as affordable rentals for 30 years. Single-family residential lots do not qualify.

What is the deed tax when selling vacant land in Miami-Dade?

For property other than a single-family residence, including vacant land, the documentary stamp tax is $0.60 per $100 plus a $0.45 per $100 surtax.

Is this information available in Spanish?

Spanish-speaking owners can find this information in Spanish on our page vender terreno en Miami-Dade.

Sell Your Miami-Dade Land

Start by checking what your Miami lot is worth, then get your cash offer. Owners in other counties can see the Lee County land guide and the Collier County land guide, or browse the Land Resource Center.

Selling Vacant Land in Miami-Dade County