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St. Martin County, LA · Sold

LA-694715

4029 County Road 31

$93,600
$4,732/ac · 19.78 ac
Acreage19.78 ac
Price per acre$4,732/ac
ZoningUnzoned
Road accessDirt
UtilitiesOff grid
TopographyMixed
ListedApr 9, 2026
Coordinates30.0662, -91.6554
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

St. Martin County, Louisiana. Timber and marsh-adjacent tracts; drainage defines usable acreage.

View St. Martin market data →

Step 1 · Is this a deal?

Due diligence

4 items to verify before you offer.

Risk index
20
Low risk
Wetlands19.5% of tract

Partial wetlands. Verify the delineated build envelope.

Average slope4.8%

Gentle grade, straightforward to develop.

Flood zoneShaded X

Moderate flood hazard on part of the tract.

Legal accessDeeded frontage

759 ft of deeded road frontage.

Power1,510 ft away

Service extension needed; get a utility quote.

Buildable area15.13 of 19.78 ac

Net of wetlands and slope constraints.

Step 2 · Where do the numbers land?

Adjusted value estimate
$93,145
$70,284$116,005 · $4,709/ac on 19.78 ac
Asking vs estimate
+0.5%
In line with the comp set

Weighted from 10 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 $93,600
Maximum allowable offer
$53,226
$2,691/ac · +30.0% target margin

You need $40,374 off asking to hit this margin.

All-in cost$57,750
Net resale$85,693
Projected profit$27,943
ROI+48.4%
Annualized+69.2%
Break-even resale$3,174/ac
Profit if resale lands off target
-20%
$10,804
-10%
$19,374
0%
$27,943
+10%
$36,512
+20%
$45,082
Comparable sales10 matches
ParcelAcresSoldPrice$/acAdj $/acDistMatch
LA-384606
Gravel · Full utilities
18.3Jul 27, 2026$172,7009,4505,6197.3 mi
88
LA-394731
Dirt · Full utilities
20.0Dec 9, 2025$95,7004,7843,4348.0 mi
86
LA-685285
Dirt · Power at road
29.9Jul 27, 2026$221,5007,4096,6972.0 mi
84
LA-644984
Landlocked · Off grid
24.0Jul 27, 2026$82,8003,4464,4845.8 mi
84
LA-264696
Dirt · Power at road
19.5Jun 28, 2025$86,9004,4543,9599.1 mi
82
LA-145821
Landlocked · Off grid
44.1Jul 27, 2026$119,1002,7023,8893.3 mi
81
LA-464470
Gravel · Off grid
16.6Oct 21, 2025$105,9006,3905,5647.0 mi
77
LA-414881
Landlocked · Power at road
22.3Jul 10, 2025$69,6003,1193,5645.5 mi
75
LA-453529
Paved · Power at road
8.4Mar 17, 2025$50,0005,9723,6066.1 mi
67
LA-655449
Landlocked · Power at road
33.7Nov 29, 2024$170,8005,0726,3237.8 mi
64
Show adjustment detail for the top comp
  • Tract size (18.28 ac → 19.78 ac)-1.0%
  • Access (Gravel → Dirt)-14.0%
  • Utilities (Full utilities → Off grid)-30.3%

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.