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Monroe County, FL · Sold

FL-887540

3647 County Road 228

$545,000
$5,141/ac · 106 ac
Acreage106 ac
Price per acre$5,141/ac
ZoningUnzoned
Road accessLandlocked
UtilitiesOff grid
TopographySloped
ListedAug 13, 2025
Coordinates25.6747, -81.1246
Loading terrain…
County GIS boundary

We do not yet have an active public ArcGIS connection for this county. Use the official source link to verify the parcel boundary and flood/zoning layers.

County market

Monroe County, Florida. Rural interior counties absorbing metro overflow; the country's hottest lot market.

View Monroe market data →

Step 1 · Is this a deal?

Due diligence

4 items to verify before you offer.

Risk index
47
Moderate risk
Wetlands2.4% of tract

Little to no mapped wetland coverage.

Average slope17.6%

Rolling to steep in places; pad prep likely.

Flood zoneX

Outside the mapped floodplain.

Legal accessLandlocked

No legal access of record — resale is severely limited.

Power10,652 ft away

A long utility run — price in solar/off-grid instead.

Buildable area82.78 of 106.02 ac

Net of wetlands and slope constraints.

Step 2 · Where do the numbers land?

Adjusted value estimate
$493,976
$375,842$612,110 · $4,659/ac on 106 ac
Asking vs estimate
+10.3%
Priced above the comp set

Weighted from 6 recorded sales, adjusted for tract size, access, utilities and time since sale. Range width reflects dispersion across the comp set.

AI deal brief

Comps, diligence flags, an offer number and what to ask the seller.

Offer calculatorAsking $545,000
Maximum allowable offer
$282,272
$2,662/ac · +30.0% target margin

You need $262,728 off asking to hit this margin.

All-in cost$306,265
Net resale$454,458
Projected profit$148,193
ROI+48.4%
Annualized+69.2%
Break-even resale$3,140/ac
Profit if resale lands off target
-20%
$57,301
-10%
$102,747
0%
$148,193
+10%
$193,638
+20%
$239,084
Comparable sales6 matches
ParcelAcresSoldPrice$/acAdj $/acDistMatch
FL-607572
Gravel · Off grid
108.5Dec 17, 2025$616,1005,6783,9915.5 mi
82
FL-396589
Landlocked · Power at road
53.2Nov 14, 2024$362,4006,8085,30910.9 mi
67
FL-336775
Dirt · Full utilities
60.9Dec 5, 2025$533,5008,7594,36512.1 mi
67
FL-255577
Paved · Off grid
25.6Feb 19, 2026$238,4009,3234,11710.8 mi
62
FL-605886
Dirt · Power at road
32.0Feb 24, 2025$205,4006,4193,56312.9 mi
59
FL-499376
Landlocked · Power at road
400.9Mar 17, 2024$2,119,2005,2867,15815.6 mi
52
Show adjustment detail for the top comp
  • Tract size (108.51 ac → 106.02 ac)+0.6%
  • Access (Gravel → Landlocked)-32.0%
  • Market time (8 mo)+2.8%

Step 3 · Market it

Turn this underwriting into a listing

Generate a comp-priced headline, listing description, land-group post and cash-buyer email for this tract — then post it to the investor marketplace.