Costain Villas Harbor Vil
Homes for Sale in Aventura, FL

This is a small, thinly-traded corner of the Miami-Dade market where pricing per closing carries outsized weight — a handful of sales set the tone for the whole community in any given stretch.

MIAMI REALTORS sales records identify 10 homes in COSTAIN VILLAS HARBOR VIL that have changed hands since 2020, built between 1985 and 1986 (median 1986), with a median living area of about 1,358 sq ft and a typical 3-bedroom, 2.5-bath layout; 70% are townhomes. Source: MIAMI REALTORS closed-sale history compiled by Momentum Research; counts reflect homes with a recorded MLS sale, not every home in the community.

Pre-construction details are compiled from public records, builder announcements and builder listings, and are subject to change without notice; figures are deemed reliable but not guaranteed. Momentum Research figures are our own analysis. This page describes homes, pricing and community attributes, not residents.

Costain Villas Harbor Vil is too small for its own price trend, so here is the market around it.

In ZIP 33180, 747 homes are on the market and 7% are under contract — a slower corner of Aventura.

Across Miami-Dade County, 14,507 homes are active and 2,241 pending (13% under contract).

In ZIP 33180 (Aventura), 124 homes closed in the last 12 months at a median of $490K ($342/sq ft), with a median 100 days on market. Right now 264 active and 11 pending listings. See the live ZIP 33180 housing market and the Miami-Dade County market.

ZIP and county figures describe the wider market, not Costain Villas Harbor Vil specifically. Momentum Research analysis of MLS records.

With just 3 closings feeding the current snapshot, Costain Villas Harbor Vil doesn't behave like a high-volume tract where pricing patterns smooth out over dozens of sales. Each transaction here is a meaningful data point, and that means the median price and per-square-foot figure should be read as a snapshot of what closed recently, not a fixed benchmark for every unit in the community.

The median days on market at 61 signals homes are sitting longer than a fast-moving segment would tolerate, and the year-over-year decline of -10.8% reinforces that this is a market in a cooling phase rather than an accelerating one. Buyers have more room to negotiate on price and timeline; sellers who want to move on a normal schedule should expect to price tightly to what has actually closed, not to what similar units fetched a year ago.

In a low-volume segment like this, the difference between a good outcome and a mediocre one often comes down to reading the last few closings correctly — not guessing at a trend line. We pull the actual comparable sales, price per square foot, and days-on-market data before advising on offer strategy or list price, so you're negotiating from what has really happened here recently, not from a stale average.