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Union County, NJ · Sold

NJ-996459

8620 County Road 398

$827,500
$38,435/ac · 21.53 ac
Acreage21.53 ac
Price per acre$38,435/ac
ZoningMixed Use
Road accessGravel
UtilitiesOff grid
TopographySloped
ListedApr 4, 2026
Coordinates40.5932, -74.3617
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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

Union County, New Jersey. Pinelands restrictions keep supply extremely tight.

View Union market data →

Step 1 · Is this a deal?

Due diligence

2 items to verify before you offer.

Risk index
14
Low risk
Wetlands3.3% of tract

Little to no mapped wetland coverage.

Average slope11.9%

Rolling to steep in places; pad prep likely.

Flood zoneX

Outside the mapped floodplain.

Legal accessDeeded frontage

749 ft of deeded road frontage.

Power4,478 ft away

Service extension needed; get a utility quote.

Buildable area19.78 of 21.53 ac

Net of wetlands and slope constraints.

Step 2 · Where do the numbers land?

Adjusted value estimate
$722,663
$588,701$856,626 · $33,565/ac on 21.53 ac
Asking vs estimate
+14.5%
Priced above the comp set

Weighted from 5 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 $827,500
Maximum allowable offer
$412,950
$19,180/ac · +30.0% target margin

You need $414,550 off asking to hit this margin.

All-in cost$448,051
Net resale$664,850
Projected profit$216,800
ROI+48.4%
Annualized+69.3%
Break-even resale$22,620/ac
Profit if resale lands off target
-20%
$83,829
-10%
$150,314
0%
$216,800
+10%
$283,285
+20%
$349,770
Comparable sales5 matches
ParcelAcresSoldPrice$/acAdj $/acDistMatch
NJ-716197
Dirt · Power at road
17.8Jul 27, 2026$534,50030,01129,0224.0 mi
88
NJ-925329
Landlocked · Power at road
9.5Jul 27, 2026$345,60036,37841,8552.1 mi
80
NJ-286471
Landlocked · Off grid
21.7Nov 26, 2023$529,40024,37539,9916.8 mi
73
NJ-497869
Landlocked · Power at road
59.8Jul 27, 2026$1,115,60018,65627,9176.6 mi
70
NJ-997619
Landlocked · Off grid
49.9Dec 10, 2024$772,80015,48728,05710.7 mi
60
Show adjustment detail for the top comp
  • Tract size (17.81 ac → 21.53 ac)-2.4%
  • Access (Dirt → Gravel)+16.3%
  • Utilities (Power at road → Off grid)-15.0%

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.