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Mason County, WA · Sold

WA-378590

1080 County Road 133

$1,594,200
$4,518/ac · 353 ac
Acreage353 ac
Price per acre$4,518/ac
ZoningUnzoned
Road accessPaved
UtilitiesPower at road
TopographyMixed
ListedOct 28, 2025
Coordinates47.2913, -123.2634
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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

Mason County, Washington. Eastern Washington irrigated ground and Cascade foothill lots.

View Mason market data →

Step 1 · Is this a deal?

Due diligence

3 items to verify before you offer.

Risk index
16
Low risk
Wetlands16.8% of tract

Partial wetlands. Verify the delineated build envelope.

Average slope4.5%

Gentle grade, straightforward to develop.

Flood zoneShaded X

Moderate flood hazard on part of the tract.

Legal accessDeeded frontage

3,098 ft of deeded road frontage.

Power93 ft away

Power at or near the road.

Buildable area278.92 of 352.88 ac

Net of wetlands and slope constraints.

Step 2 · Where do the numbers land?

Adjusted value estimate
$2,389,415
$1,743,806$3,035,023 · $6,771/ac on 353 ac
Asking vs estimate
-33.3%
Priced below 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 $1,594,200
Maximum allowable offer
$1,365,380
$3,869/ac · +30.0% target margin

You need $228,820 off asking to hit this margin.

All-in cost$1,481,437
Net resale$2,198,262
Projected profit$716,824
ROI+48.4%
Annualized+69.2%
Break-even resale$4,563/ac
Profit if resale lands off target
-20%
$277,172
-10%
$496,998
0%
$716,824
+10%
$936,651
+20%
$1,156,477
Comparable sales5 matches
ParcelAcresSoldPrice$/acAdj $/acDistMatch
WA-918030
Gravel · Power at road
235.2Feb 1, 2026$1,084,8004,6124,9485.1 mi
76
WA-909145
Paved · Power at road
527.5Dec 16, 2024$2,834,1005,3736,4834.3 mi
73
WA-969917
Dirt · Off grid
922.8Aug 19, 2025$2,862,5003,1026,9825.6 mi
64
WA-286979
Landlocked · Power at road
109.8Feb 9, 2024$457,6004,1665,7917.9 mi
56
WA-846566
Gravel · Off grid
81.4Sep 8, 2024$850,40010,44310,5618.0 mi
53
Show adjustment detail for the top comp
  • Tract size (235.2 ac → 352.88 ac)-11.1%
  • Access (Gravel → Paved)+18.0%
  • Market time (6 mo)+2.2%

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.