← New search
Honolulu County, HI · Sold

HI-142856

4121 County Road 99

$67,700
$42,848/ac · 1.58 ac
Acreage1.58 ac
Price per acre$42,848/ac
ZoningResidential
Road accessDirt
UtilitiesPower at road
TopographyMixed
ListedJun 7, 2025
Coordinates21.4346, -158.1638
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

Honolulu County, Hawaii. Lava-zone Puna lots at the low end, agricultural estates at the top.

View Honolulu market data →

Step 1 · Is this a deal?

Due diligence

No material red flags on the mapped layers.

Risk index
4
Low risk
Wetlands1.7% of tract

Little to no mapped wetland coverage.

Average slope6.5%

Gentle grade, straightforward to develop.

Flood zoneX

Outside the mapped floodplain.

Legal accessDeeded frontage

120 ft of deeded road frontage.

Power174 ft away

Power at or near the road.

Buildable area1.48 of 1.58 ac

Net of wetlands and slope constraints.

Step 2 · Where do the numbers land?

Adjusted value estimate
$71,900
$58,055$85,746 · $45,507/ac on 1.58 ac
Asking vs estimate
-5.8%
Priced below 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 $67,700
Maximum allowable offer
$41,086
$26,004/ac · +30.0% target margin

You need $26,614 off asking to hit this margin.

All-in cost$44,578
Net resale$66,148
Projected profit$21,570
ROI+48.4%
Annualized+69.2%
Break-even resale$30,668/ac
Profit if resale lands off target
-20%
$8,340
-10%
$14,955
0%
$21,570
+10%
$28,185
+20%
$34,800
Comparable sales10 matches
ParcelAcresSoldPrice$/acAdj $/acDistMatch
HI-222776
Landlocked · Off grid
1.5Jul 27, 2026$34,20022,94534,1846.6 mi
88
HI-433285
Dirt · Power at road
2.2Apr 26, 2026$135,40062,67663,8504.1 mi
87
HI-992421
Dirt · Off grid
1.2Jul 27, 2026$42,50036,66543,0475.8 mi
82
HI-522177
Dirt · Power at road
1.0Sep 22, 2025$35,50036,62737,7716.2 mi
79
HI-442896
Paved · Power at road
1.6Feb 26, 2024$102,90063,13950,8182.1 mi
76
HI-472245
Landlocked · Off grid
1.0Jan 22, 2026$23,70023,26335,2294.5 mi
74
HI-251664
Gravel · Power at road
0.7Jul 4, 2026$36,80054,85146,9605.2 mi
74
HI-203361
Landlocked · Off grid
2.3Jul 2, 2025$66,70029,25145,8942.6 mi
73
HI-123937
Gravel · Power at road
3.5Dec 8, 2025$173,30050,08545,1423.4 mi
71
HI-974508
Dirt · Full utilities
5.2Apr 8, 2026$318,70060,81152,3948.7 mi
67
Show adjustment detail for the top comp
  • Access (Landlocked → Dirt)+26.5%
  • Utilities (Off grid → Power at road)+17.6%

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.