From Rental Neighborhood to Retail Exit: Condominium Strategies for Build-to-Rent Communities

A practitioner’s guide to BTR density, Florida conversion law, land condominiums, and phase/presale planning

By: Alex Dobrev, Esq.

Build-to-rent (“BTR”) communities are designed around operating efficiency: one ownership, professionally managed homes, private circulation, consolidated landscaping, and shared amenities. Those same features can become friction points when the owner later wants a retail exit.

The core problem is geometric. A rental site plan can optimize building pads, separation distances, shared open space, stormwater, utilities, and circulation without drawing a separately compliant fee-simple lot around every residence. Industry research places build-for-rent attached communities at roughly 8–16 dwelling units per acre and detached BTR at roughly 3–7 dwelling units per acre. By comparison, conventional low density residential zoning categories are often limited to four dwelling units per acre or fewer. Florida also remains an active BTR market: industry reports identified 63 communities under construction in early 2025, totaling 13,591 planned single-family rentals across the state.

For developers and their counsel, the exit question is whether the approved geometry can support separately conveyable interests without redesigning the neighborhood. In many projects, condominium ownership supplies that bridge.

The BTR Density Problem Is Really a Lot-Line Problem

Higher-density BTR layouts frequently use narrow frontages, shallow or shared yards, reduced internal setbacks, private drives, clustered buildings, and common open space. Those features work under single ownership. They can fail quickly when new fee-simple lot lines are inserted.

Typical single-family residential zoning provides a useful illustration. Low-density residential districts commonly permit minimum lot sizes ranging from 5,000 to 7,500 square feet with minimum widths of 50 to 75 feet. Many jurisdictions treat the creation of more than a few lots from a parent parcel as a subdivision requiring development review, and lot-split requirements typically require existing structures to satisfy setbacks from newly created lot lines. A BTR site with townhouse modules, parking courts, or buildings close to internal circulation may therefore be lawful as an approved rental development yet poorly suited to a post-construction fee-simple lot pattern.

That does not make condominium ownership an entitlement workaround. Section 718.507, Florida Statutes, requires zoning and building regulations to be applied according to the property’s nature and use, without regard to condominium ownership. The advantage is narrower: a condominium can create separately conveyable units without necessarily creating a new fee-simple land lot around each residence. Local subdivision, site-plan, access, utility, fire, and other development requirements still must be tested.

Exit structure	Separately defined	Typical friction
Fee-simple subdivision	Individual land lots and easements	Replatting, lot area/width, new setbacks, access/utilities
Building-style condominium	Units in/around improvements; common elements	Association maintenance, insurance, project eligibility
Land condominium	Ground/air/subsurface units, often with residence and yard/pad	More survey/document complexity, but greater geometric control

Condominiumization Can Turn One Rental Asset Into Many Saleable Residences

Florida’s Condominium Act is especially useful for BTR because a “unit” may consist of improvements, land, or land and improvements together. Once the declaration is recorded and units are created, the owner can sell residences individually while retaining unsold units as inventory.

That can shorten the path to per-residence monetization when the alternative is a replat or variances needed to make the existing site fit fee-simple lot standards. It also broadens the buyer pool to owner-occupants who can finance individual condominium parcels.

Agency execution matters. Under Fannie Mae’s current standards, a completely detached condominium unit may qualify for a waiver of full project review, including a “site condo” where the unit owner owns the detached unit and the land beneath it. Attached units in a new or newly converted condominium generally face project-level review. For Full Review, Fannie Mae currently requires at least 50% of units in the project or subject legal phase to have been conveyed or be under contract to principal-residence or second-home purchasers. Freddie Mac likewise retains owner-occupancy requirements for New Condominium Projects. These are secondary-market underwriting rules – not requirements of Chapter 718 – and lender overlays may be stricter.

Part VI: An Occupied BTR Conversion Has Its Own Clock

A stabilized BTR community is not simply “declared” into condominium ownership and sold unit by unit. Part VI of Chapter 718, sections 718.604–718.622, imposes tenant protections that can control the transaction calendar.

Statutory rule – notice and lease extensions. Before or simultaneously with the first offering of individual units, the developer must deliver a written notice of intended conversion to all tenants, with all notices delivered within 72 hours. Before delivery, the notice must be filed with and approved by the Division of Florida Condominiums, Timeshares, and Mobile Homes. A tenant who has resided there for at least 180 days may extend an expiring lease, on the same terms, to no later than 270 days after notice; other residential tenants receive up to 180 days. The election generally must be made within 45 days. A qualifying county can add another 90 days by ordinance if the statutory rental-vacancy conditions are met.

Statutory rule – tenant purchase rights. The Act calls the protection a “right of first refusal.” A qualifying 180-day tenant receives that right for the occupied unit. Within 90 days after notice, the developer must deliver the price and terms, section 718.614 economic information, and the disclosures required by sections 718.503 and 718.504. Late delivery extends the lease day-for-day. The tenant receives at least 45 days to exercise the right and, if the unit is later publicly offered at a lower price, generally another minimum 10-day opportunity.

Statutory rule – condition and converter obligations. Section 718.616 requires a condition report for previously occupied improvements, including specified building and site components, remaining useful life, replacement cost, and professional certification. Section 718.618 requires converter reserves, an alternative statutory warranty, or a surety bond. The conversion package also incorporates the developer disclosure materials, budget, unit-expense schedules, floor and plot plans, phase information if applicable, and form contract. Developer sales generally carry the 15-day statutory buyer voidability period after execution and receipt of required materials.

The practical lesson is straightforward: for an occupied BTR project, Part VI belongs in the critical-path schedule, not in the closing checklist assembled after the declaration is drafted.

When a Land Condominium Is the Better Tool

A building condominium is not always the best BTR fit. A land condominium can be preferable where each residence should function economically like a house while condominium geometry is preserved.

Maintenance allocation. Section 718.113 makes the association responsible for common elements, while the declaration can assign limited-common-element maintenance to the owners entitled to use them. A land-condominium unit can include land and improvements, allowing properly drawn boundaries to place more of the roof, exterior, yard, driveway, or similar property within the unit – subject to insurance, reserve, code, and lender requirements.

Three-dimensional geometry. Section 718.103 defines “land” to include airspace and subterranean space and permits legally identifiable vertical volumes. That can accommodate irregular pads, utility corridors, retaining systems, garages, and other conditions that do not map neatly onto two-dimensional lots.

For detached BTR product, a land condominium may also align naturally with agency concepts of a detached or site condominium. In phased projects, it can isolate saleable unit geometry and common infrastructure without pretending each home occupies a conventional subdivision lot.

Phase the Legal Product With the Capital Stack

Presale thresholds should be designed into the condominium structure, not discovered after recording. Section 718.403 permits phase condominiums if the declaration describes the anticipated phases, land, surveys and plot plans, unit ranges, allocation formulas, common facilities, and effects of later phases. The statutory phase-addition period generally runs seven years, with a mechanism to extend to ten.

For attached projects subject to Fannie Mae Full Review, legal phasing can be valuable. The 50% presale test may be applied to the subject legal phase or phases together with prior legal phases. A smaller initial phase can reduce the absolute number of retail contracts needed for the first financeable tranche, while sold units in prior phases can support later phases. One building, however, cannot be divided into multiple legal phases for Fannie review purposes.

This distinction matters when discussing “presale requirements.” Florida condominium law does not impose a generalized 50% presale threshold for the developer’s construction financing. A construction lender may impose its own minimum presales or release conditions, while Fannie Mae, Freddie Mac, mortgage insurers, warehouse lenders, and retail originators apply separate project-eligibility criteria. The phasing plan should therefore be modeled against the actual capital stack rather than against a presumed universal percentage.

Survey timing should follow the same plan. Section 718.104 requires a survey, graphic description, and plot plan sufficient to identify units and common elements. If construction is not substantially complete, the declaration can state that and later be amended with the required surveyor certification. Completed units in a substantially completed building can be conveyed while other buildings remain incomplete if the statutory completion and certification conditions are met.

The objective is not zero amendments – phase additions require them – but avoiding unnecessary restatements by reserving phase rights, allocation formulas, unit ranges, facility treatment, and exhibit architecture before the first closing.

Key Takeaways

• Condominium ownership can solve a separate-conveyance problem; it does not cure zoning or site-plan noncompliance.
• In an occupied BTR conversion, Part VI is part of the critical path, not a closing checklist.
• Detached and attached condominium product can receive materially different agency treatment.
• A land condominium can shift more property and maintenance responsibility into each unit while retaining common infrastructure.
• Phase boundaries should be coordinated with construction, presales, surveys, and mortgage eligibility.

Ten-Point BTR-to-Condo Conversion Checklist

1. Re-underwrite entitlements. Confirm zoning, approved site plan, plat status, density, setbacks, access, utilities, open-space requirements, and any recorded anti-conversion covenant implicated by section 718.507.
2. Model the fee-simple alternative. Identify required plats or replats, waivers, variances, easements, governmental acceptance issues, and physical changes needed to create individually compliant lots.
3. Choose the unit concept. Decide whether units should be building-based or include land and improvements; deliberately allocate roofs, yards, drives, parking, utility components, and other maintenance responsibility.
4. Audit title and lender consents. Identify mortgagees and other record interests that must join, consent, or subordinate in connection with creation of the condominium under section 718.104.
5. Build a tenant census. Track occupancy dates, lease expirations, renewals, and the population of tenants who have occupied units for at least 180 days.
6. Calendar Part VI backwards. Include Division approval, the 72-hour notice-delivery window, 45-day elections, the 90-day purchase-material deadline, lease extensions, and lower-price re-offer rights.
7. Commission conversion reports early. Start the section 718.616 condition work and select the section 718.618 reserve, warranty, or bond path before retail pricing is finalized.
8. Pre-clear mortgage execution. Classify units as detached or attached for agency purposes and test lender overlays, insurance requirements, project documentation, owner-occupancy standards, and applicable review waivers.
9. Design phases around closings. Align legal phases with construction completion, sales releases, presale requirements, survey certifications, common facilities, and section 718.403.
10. Control the recording sequence. Stabilize unit geometry and use exhibits that accommodate phase amendments and completion certifications without rebuilding the condominium package after each construction milestone.