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The Mid-Term Rental Strategy: Why 30+ Days Is Medellín's Sanest Rental Play

Between the inspected, fine-exposed short-stay market and Colombia's tenant-protective long-term lease law sits a niche built for this exact city: furnished rentals of one to six months to people who earn in dollars and stay a season.

Published August 20269 min read

Medellín's rental market has three doors. Door one — nightly Airbnb — now comes with building inspections, immigration data-matching, and asamblea votes to shut you down. Door three — the traditional unfurnished lease — comes with Colombia's firmly tenant-protective rental law and yields that barely clear inflation. Door two is the one this article is about.

Why the 30-day line is a legal moat

As we covered in the crackdown guide, Colombian law treats accommodation under 30 consecutive days as a tourism service: RNT registration required, building reglamentos empowered to restrict it, enforcement actively hunting violators. Cross the 30-day line and you're in a different legal universe — an ordinary residential tenancy that requires no tourism registration and that a building cannot prohibit through its short-stay rules.

That's the moat. The entire regulatory storm — the fines, the inspections, the 70% reglamento votes — breaks against the 30-day threshold. A furnished apartment rented by the month to a remote worker isn't a loophole; it's simply not the thing being regulated.

One honest caveat

30+ day rentals still sit under Colombia's residential tenancy framework (Ley 820), which caps deposits-as-practiced, regulates increases on ongoing leases, and makes evicting a non-paying tenant slow. Mid-term's practical protection is structural: tenants who prepay monthly, stay 1–6 months, and leave on schedule rarely generate the disputes that make Ley 820 scary. Screening — verifiable income, references, deposit or prepayment — is still the job.

The demand side is the real story

A moat around an empty market is worthless. Medellín's mid-term demand is deep and structural:

These tenants pay a furnished premium over local long-term rates because the alternative — signing a 12-month unfurnished lease with local guarantor requirements — is unavailable to them, and 30 nights of even a discounted Airbnb costs more.

The numbers, honestly framed

Rule-of-thumb bands (verify against current listings in your target building — this market has no index):

StrategyGross potentialWhat eats itNet reality
Short-term (sub-30-day)Highest headline — strong nightly rates at good occupancyPlatform fees, cleaning, management 20–30%, vacancy, furnishing wear, RNT compliance, regulatory/vote risk priced at… what, exactly?Can outperform when legal and well-run; increasingly binary — great or shut down
Mid-term (1–6 months furnished)Commonly ~1.3–1.8× the unfurnished long-term rent for the same unitSome vacancy between stays, furnishing, utilities+wifi included, lighter management (~10–15% if outsourced)The strongest risk-adjusted net in most foreigner-relevant buildings
Long-term unfurnishedLowest gross; local-market rentsLittle — minimal turnover, tenant pays utilitiesSimple, stable, modest; the benchmark the others must beat

The mid-term case isn't "highest gross" — it's highest gross that survives contact with 2026: no fine exposure, no asamblea veto, monthly turnover instead of nightly churn, and tenants who treat the unit as a home for a season rather than a party venue for a weekend.

Where it works: neighborhood fit

Running it well: the operating notes

  1. Furnish for a resident, not a tourist. The mid-term tenant's decision drivers: a real desk and chair, fast verified wifi, a functional kitchen, a washing machine, blackout curtains. Instagram wall art converts nobody who's staying 90 days.
  2. Price monthly, discount for length. A published 1-month rate with visible discounts at 3 and 6 months fills calendars and self-selects longer, lower-churn stays.
  3. Use a real contract every time. A proper Spanish-language furnished-lease contract with inventory annex, deposit or prepayment terms, and fixed end date — drafted once by a lawyer, reused forever.
  4. Channel mix: Airbnb/monthly-stay platforms (30-day minimum set), furnished-rental agencies, nomad Facebook/WhatsApp groups, and — the endgame — direct repeat bookings and referrals that cut platform fees to zero.
  5. Still read the reglamento. Buildings can't use tourism rules against 30+ day leases, but a few reglamentos attempt broader furnished-rental restrictions of contested enforceability — and a hostile administración is a daily tax on your operation regardless of who's legally right. Buy where monthly rentals are already normal.

Financing note: mid-term yields comfortably beat Colombian mortgage rates only rarely — if you're modeling leverage, read the 2026 mortgage state-of-play before assuming the spread works. Most operators here are cash buyers for a reason.

The bottom line

Mid-term isn't a consolation prize for people scared out of Airbnb — in 2026 Medellín it's arguably the strategy the city's actual demand base has been requesting all along: a large, dollar-earning, well-behaved tenant pool that wants exactly what a foreign owner can supply, in a legal lane no asamblea can vote away. The buyers doing this well underwrote it from day one and picked the building accordingly — which is a purchase decision, not a management decision.

Buying with mid-term income in mind?

The strategy lives or dies on picking the right unit in the right building in the right barrio. Our vetted brokers can point you at buildings where furnished monthly rentals already work — with real occupancy stories, not projections.

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