The Real Guide
Every one of the steps below is something you can actually go do yourself, today, before you ever call an agent. I'm not going to pretend otherwise. What I will show you, honestly, is exactly where that process hits a wall — and why the two things on the other side of that wall are what a broker who does this full-time is actually being paid for.
Before You Start
Why "Miami Condo" Isn't One Market
A tower that launched to enormous fanfare can still be a poor long-term hold, and a building nobody talks about can quietly outperform for a decade. The difference isn't luck — it shows up in public records, in a building's own financial documents, and in listing patterns, months or years before it shows up in the headlines. This guide walks through exactly how to pull that information yourself, building by building.
Step 1
1
Pull the Building's Real Sale History
Go to the Miami-Dade County Property Appraiser's online search and look up individual units by address within the building. Every unit's sale history — dates and prices going back years — is public record. Do this for a dozen or so units across different floors and lines in the building, note the price and the square footage, and calculate price-per-square-foot for each sale. Plot that over time and you have the building's actual appreciation (or depreciation) curve — not what the listing agent claims, what the county recorded.
Step 2
2
Count What's Actively Competing With You
Search the building's name directly on Zillow or Realtor.com and count everything currently listed for sale, plus everything listed for rent. Compare that total to the building's total unit count (usually on the building's own website, or ask the property appraiser for the condo's declaration). A building where 5% of units are concurrently listed is healthy turnover. A building where 25–33% are listed at once — which is exactly what's happening at a few well-known Miami towers right now — means every seller in that building is competing against each other, and that structurally caps what any of them can get.
Step 3
3
Request the Building's Actual Financials
This is the step almost nobody takes, and it's entirely your right as a prospective buyer. Under Florida law, you — or anyone, technically, since these can typically be requested through the association or a title company as part of a transaction — can request the condominium's governing documents, its most recent budget, and its Structural Integrity Reserve Study. Pull the last three years of budgets specifically and look at how fast the assessment line and the insurance line have grown. A steady, modest increase is normal. A budget that jumped 40–50% in two cycles is telling you the board just discovered a problem it didn't plan for — the exact pattern behind the six-figure assessments hitting other buildings right now.
Step 4
4
Check for Legal and Structural Red Flags
Search the Miami-Dade Clerk of Courts' online civil case records by the condo association's legal name — this surfaces pending or recent litigation involving the building, which is exactly the kind of thing that shows up as "unresolved litigation" on a lender's eligibility review later. Separately, the county's building department portal lets you search open permits and code violations by address — an unusual volume of open violations or an "unsafe structure" notation is a serious flag worth understanding before you go further, not after.
Step 5
5
Estimate Owner-Occupancy vs. Investor Concentration
Florida's homestead exemption is filed per property and is public record — a unit with an active homestead exemption is that owner's primary residence. Sampling homestead status across a building gives you a rough read on how much of it is owner-occupied versus investor-held or seasonal. It's an imperfect signal — a foreign owner or an out-of-state part-time resident won't show a Florida homestead exemption even if they genuinely live there part of the year — but a building with almost no homesteaded units at all typically means a higher concentration of investors and short-term holders, which is one of the patterns behind buildings that see a lot of units hit the market at once.
Where This Gets Honest
Everything above, you can do yourself.
What comes next, you genuinely can't.
Step 6 — The First Wall
6
The Full Days-on-Market and Price-Cut History
Here's where public tools stop helping. Zillow and Realtor.com show you a listing's current asking price and a "days on Zillow" figure that resets when a listing gets refreshed or relisted — it does not show the true cumulative time on market, the full history of price cuts, or how a specific unit's asking price compares to what's actually pending or under contract right now in the same building. That data lives in the MLS, which requires a real estate license to access. This is the single biggest gap between what you can research yourself and what an agent sees before writing an offer — and it's often the difference between paying list price and knowing a seller has already cut twice and is motivated.
Step 7 — The Second Wall
7
Whether the Building Can Actually Be Financed
Fannie Mae and Freddie Mac maintain building-by-building eligibility determinations based on reserve funding, litigation, and deferred-maintenance findings — but that status isn't published anywhere a buyer can simply look it up. In practice, most buyers only discover a building is on the ineligible list when their own lender's underwriting comes back with a rejection, often weeks into a transaction, after an inspection period may have already closed. An agent who works a neighborhood regularly typically already knows, building by building, which ones have hit financing trouble recently — because they've had a deal fall through there before, or a lender has flagged it directly.
Applying the Method
What This Actually Looks Like Building by Building
From a market analysis by the David Siddons Group
Applying steps 1 and 2 above is exactly how one recent analysis flagged a dozen underperforming Miami buildings. A few examples: Porsche Design Tower has fallen from roughly $2,000/SF at launch to around $1,200/SF today, with about a quarter of its units listed at once. Faena House slipped from roughly $3,200/SF in 2022 to about $2,750/SF, while its HOA fees rose 50–60% over the same period — exactly the budget pattern Step 3 is designed to catch. Aston Martin Residences has roughly a third of its units on the market concurrently — the Step 2 red flag in its clearest form.
On the other side, buildings like Four Seasons Residences Coconut Grove, Continuum, Apogee, and the Surf Club were named as consistent performers through multiple cycles — the profile Steps 1, 2, and 5 would predict: stable pricing trends, low concurrent listing counts, and a strong owner-occupied base.
Source: David Siddons Group market analysis, as published by Lux Life Miami Blog. These are the analysts' own figures — I have not independently verified every data point, and I'd re-run the actual per-unit numbers on any building before you rely on them for a purchase decision.
The Pattern Behind the Numbers
What Actually Separates the Winners From the Strugglers
A few things show up again and again once you run Steps 1 through 5 across enough buildings. On the struggling side: a concentration of large HOA fee increases that outpace what the building actually delivers in amenities or upkeep; a large share of units hitting the resale or rental market at the same time, which caps pricing power for every seller in the building at once; and an original buyer pool that skewed heavily toward short-term flippers rather than owner-occupants or long-term holders — which tends to produce exactly the kind of concentrated resale pressure you see in the underperforming names above.
The buildings that consistently perform tend to share the opposite profile: a stable, largely owner-occupied base (the Step 5 homestead check), disciplined reserve funding that avoids fee shocks (Step 3), and genuine scarcity — either through location, a small unit count, or a level of service and finish that's hard to replicate in the next building over. None of that is guesswork; it's the same five steps, just pointed at a building that's been managed well instead of one that hasn't.
The Real Lesson
A great launch and a great long-term hold
are two different things.
Quick Reference
The Four Checks Worth Running on Every Building
- How many units in the building are currently listed for sale or rent at once — a high concurrent-listing count (Step 2) is one of the clearest early warning signs.
- How the HOA fee has moved over the last three years, not just what it costs today (Step 3) — a building with fees up 40–50% in a few cycles is telling you something about its reserve and maintenance situation.
- Price-per-square-foot at launch versus price-per-square-foot today (Step 1) — not just what units are currently asking, since asking and closed prices can diverge sharply in a building under pressure.
- Location and scarcity, honestly assessed — some of the strongest long-term performers simply occupy a position or a niche the next tower built nearby can't replicate, no matter how good its amenities are on paper.
The Honest Math
What This Process Actually Costs You in Time
Doing Steps 1 through 5 properly, for one building, takes a few real hours — pulling sale records, requesting documents, waiting for the association to respond, cross-referencing court and permit records. If you're seriously comparing 10 or 15 buildings before you commit to one, which is a perfectly reasonable thing to do on a purchase this size, that's realistically a week or more of unpaid work — done once, then partly redone every few months as new listings and new financials come out. And at the end of it, Steps 6 and 7 — the two factors most likely to actually cost you money, a below-list negotiation and a financing rejection — are still closed to you without industry access.
That's the honest case for working with an agent on this specific decision: not that you can't do the research, but that doing it well, across every building you're seriously considering, is close to a part-time job — and even done perfectly, it still doesn't get you MLS history or a lender's project-eligibility read. Running exactly this process, on every building a client is considering, before they see a single listing, is what I do as a matter of course.
Want the Full Picture on a Specific Building?
Send me the building name and I'll pull the MLS history and financing status alongside everything above — the parts you can't get to yourself.
