JOHNSONVILLE
Homes for Sale in Big Coppitt, FL
True comps, carrying-cost math, and listings before the portals.
Market Heat
Johnsonville sits in Big Coppitt Key, Monroe County — squarely in the Florida Keys, where land scarcity and coastal exposure are the dominant price drivers. The median sale price of $650,000 reflects that Keys premium, and with a stock of 424 homes spanning construction from 1933 through 2024, condition varies dramatically. Buyers should expect a wide spread in actual transaction prices depending on age, elevation, hurricane-hardening, and water access — the median is a center point, not a ceiling or a floor.
The current market posture favors patience. A market heat score of 32 signals buyer-leaning conditions, and a median days-on-market of 65 confirms that homes are not moving quickly. The year-over-year price shift of -18.6% is a material correction that demands attention — sellers who priced for the peak are repricing, and buyers who have been waiting may find more negotiating room than they have seen in years. That said, the since-2012 gain of 195% reminds both sides that the long-arc value case for Keys real estate remains intact.
JOHNSONVILLE right now
🔴 Off the recent peak. The trailing-12-month median ($650K) is down 18.6% from the prior 12 months ($799K) and up 195% since 2012. With about 8 sales a year, a single closing can swing this number, so read the level and the decade, not one year's move.Momentum Research, record-level floridakeys closed sales, 12-month windows ending July 27. Confidence: Low (5 and 3 sales in the two windows).
Jump to: Price history & scorecard · Homes for sale · Schools · FAQ
Updated July 27, 2026 · Live data: floridakeys, refreshed twice daily · MLS facts carry their source; interpretation lines are Momentum Research · Data sources & freshness
The 60-Second Overview
JOHNSONVILLE market snapshot (as of July 27, 2026): the median sale price is about $650K, and a median 65 days on market for closed sales. The trailing-12-month median is down 19% from the prior 12 months and up 195% since 2012, computed from record-level floridakeys closed sales (5 closings in the current window).
JOHNSONVILLE is a community of 424 homes in Big Coppitt, Monroe County, built between 1933 and 2024 (median 1989.5), with a median living area of about 1,248 square feet. 44% of parcels are homesteaded, the owner-occupancy proxy in the Florida DOR assessment roll (2025 roll, public records).
Johnsonville is a modest-scale Keys community — roughly 424 homes, a median living area of 1,248 square feet, and a median build year near 1990 — where the value conversation centers on location in the island chain and the physical condition of individual structures, not community amenities, which are not identified in current listings.
Who JOHNSONVILLE is best for.
Best for
- A buyer with a $650K-and-up budget who wants Keys real estate and is willing to absorb the full insurance and maintenance cost structure of Monroe County without requiring short-term appreciation.
- A second-home or vacation-use buyer who values the island-chain location over community amenity infrastructure and can hold through continued price softening.
- An investor or renovation buyer who can accurately underwrite condition risk across a vintage-diverse housing stock and sees the current correction as an entry-point opportunity.
Probably not for
- A buyer who needs to sell within two to three years — the combination of high transaction costs, a declining price trend, and a 65-day median DOM creates meaningful resale risk on a short horizon.
- A buyer whose total monthly budget is fully consumed by the mortgage — Keys insurance premiums and potential elevation or hardening costs can add substantially to monthly carrying expense.
- A buyer expecting a turnkey community with organized amenities — current MLS listings identify none, and the compact median square footage means the value is the location, not the lifestyle infrastructure.
Price History: What Homes Here Have Actually Sold For
Median sale price over the trailing 12 months ending July 27 of each year, from record-level floridakeys closed sales. Same methodology as every appreciation figure on this page: the 2026 point ($650K) IS the median in the snapshot above, and the move from 2025 ($799K) IS the -18.6% one-year change.
Windows contain 3 to 14 sales each (5 in the current window); every figure carries its sample size, and thin markets swing on single closings. Listing data provided by Florida Keys MLS, Inc. Information is deemed reliable but is not guaranteed by the MLS to be accurate. Deemed reliable but not guaranteed.
The JOHNSONVILLE buying strategy.
If we were buying in JOHNSONVILLE today, this is the order of operations we would run for our clients.
Underwrite the condition first. Price the roof, HVAC, and systems honestly before judging any list price; condition swings value here more than square footage alone.
Match the home to real comps. Recent sales of similar condition and lot, not the asking price, tell you what a home is worth.
Move deliberately, not desperately. Neither side has a decisive edge, so a well-prepared, fairly-priced offer wins without overpaying.
Line up financing and inspection early. A pre-approval and an inspection plan let you act fast and negotiate from evidence.
Keep an agent in your corner. The listing agent works for the seller; we represent you and prepare a hand-built valuation before any offer in JOHNSONVILLE.
What the numbers actually mean in this market
The homestead exemption rate of 43.7% tells you that a meaningful portion of Johnsonville owners are using these homes as primary residences, but the majority are not — which is consistent with the Keys pattern of vacation, investment, and second-home ownership. That ownership mix shapes everything from negotiating dynamics to how quickly owners respond to price softening. Sellers who carry the property as a second home may have less urgency but also less flexibility on carrying costs; buyers should probe motivation carefully.
Vintage matters here more than almost anywhere else in Northeast Florida's orbit. A build range of 1933–2024 under a single community umbrella means two homes at identical list prices can be separated by decades of code evolution, including wind-load requirements that changed substantially after major storm seasons. Median living area of 1,248 square feet is compact by mainland standards but typical for the Keys, where lot constraints and elevation requirements define what gets built. Any serious offer should be preceded by a thorough inspection and an elevation certificate review — insurance costs in Monroe County can materially affect total ownership expense.
The location and the amenities are priced into every listing in JOHNSONVILLE. The deal is won or lost on condition, the comps, and the renovation math.
Momentum Buy Score.
Our proprietary 0 to 10 read across the factors that decide how a home in JOHNSONVILLE buys, holds, and resells. Momentum Research; not an appraisal.
Momentum Intelligence Scores are our proprietary, qualitative assessment on a 0 to 10 scale, built from the record-level market data on this page. They are a framework for comparing communities, not a guarantee of future value and not advice on a specific home; unlike an automated value estimate they do not price your home, they grade the community on evidence you can inspect. Composite is the plain average of the 4 factors (5.3). Basis: Long-Term Appreciation +195% since 2012; Recent Direction -18.6% year-over-year; Owner Commitment 44% owner-occupied; Pricing Power 93.0% sale-to-list. Refreshed with each data update.
Why work with Momentum here
Monroe County transactions carry layers of complexity — flood zone classification, elevation certificates, wind mitigation reports, and insurance underwriting that can undo a deal faster than a bad inspection. Momentum Realty tracks the Florida Keys feed and understands how to read a Keys comp set: price-per-square-foot analysis here requires adjusting for water access, elevation, and construction vintage in ways that a mainland CMA simply does not capture. In a market posting a 65-day median DOM and an 18.6% year-over-year price decline, positioning a listing correctly on day one — or structuring an offer that accounts for realistic insurance and financing costs — is where experienced counsel pays for itself.
JOHNSONVILLE in 15 seconds.
HOA, CDD & Fees
- Mandatory HOA — confirm current dues
- Any club/amenity membership is billed separately
Confirm the current HOA dues, exactly what they cover, and any CDD bond or special assessment for a specific address before you offer.
Tools for a JOHNSONVILLE buy.
Free calculators to pressure-test the real cost before you tour.
Selling here is won on condition and pricing to real comps, not an automated estimate. The right number comes from closed JOHNSONVILLE sales matched to your home.
Price it to the comps and condition, not an automated estimate.
If you are thinking about selling in JOHNSONVILLE, the right list price comes from recent comparable sales matched to your home's condition and location, not an automated estimate.
What is your JOHNSONVILLE home worth?
Get a no-obligation home value based on real comparable sales in JOHNSONVILLE, not an automated guess. Tell us about your home and we will personally prepare your numbers and a pricing strategy. No obligation, no spam.
See homes for sale in JOHNSONVILLE on the map →
Frequently Asked Questions
What is the median home price in JOHNSONVILLE?
How long do homes in JOHNSONVILLE take to sell?
How many homes are in JOHNSONVILLE?
What share of JOHNSONVILLE is owner-occupied?
When were the homes in JOHNSONVILLE built?
Do cash buyers compete in JOHNSONVILLE?
Have JOHNSONVILLE home prices gone up?
Who is the best real estate agent for JOHNSONVILLE?
How do I find a top Big Coppitt real estate agent who knows JOHNSONVILLE?
Can Momentum Realty connect me with an agent for JOHNSONVILLE?
Should you buy in JOHNSONVILLE?
An honest fit check. We will tell you when it is not your community.
Data sources & freshness
| Community market stats | floridakeys closed sales, 12-month windows ending July 27, 2026 |
| Housing stock & ownership | Florida DOR 2025 assessment roll (street-list match (11 streets, ZIP 33040/33043)) |
| Historical depth | Closed-sale records back to 1999 (177 transactions analyzed) |
Verify the primary sources yourself: Florida DOR · U.S. Census · FEMA flood maps · Citizens Property Insurance.
Momentum Research figures are our own analysis of floridakeys records; MLS data is deemed reliable but not guaranteed. Methodology: how Momentum market scores are computed. Market metrics describe homes for sale and recent sales, not residents.
Own a home here?
You just read the data. Now see what your home is worth.
The numbers on this page move markets in the aggregate. The number that matters to you is what a buyer pays for your address. Momentum sells for 1.25% above the floridakeys member average and 8 days faster, and we’ll price yours against live your area comps.
Looking to buy here? Search homes for sale →
What’s your home worth in your area?
A real valuation with real comps from a local listing agent, not an instant algorithm. Response within one business day.
More Big Coppitt & The Florida Keys & Monroe County guides
Compare before you commit - every guide covers pricing, HOA/CDD, insurance posture, and fit. Browse all of The Florida Keys & Monroe County or the full Neighborhood Finder.