Vacant lot
503 NW 3rd St
Delray Beach8,433 sq ft lot (0.19 acres)Zoned R-1-A
Aerial from 2026, the newest available. The pink line is the surveyed parcel boundary.
What it’s worth as land
From recorded sales$312–455KMiddle half of nearby land sales, adjusted for lot size (12 sales), applied to this lot’s 8,433 sq ft.
Land price per sq ft, sized to this lot
$0$43$86
Sized to this lot, nearby land sales point to about $49 per sq ft.
Does it pencil?
Build-and-sell pro formaSupports a land price up to$159Kto build and sell a 2,450 sq ft home here at a 15% margin.
Doesn’t pencilAt $413K for the land:Loss $124K · −11.8%Needs $573/sq ft to hit 15% · assumed $428
Land $413KBuild $564KSoft costs $56KCarry $77KSelling $63KLoss $124KSale $1.05M
Delray Beach calibration
Calibrated on 83 Delray Beach deals. With these build costs the calculator's land budget is a median 98% of what the builders actually paid for the lot, and within 25% of it on 47 of the 83 (the old defaults came to 85%).
A quick pro forma, not an appraisal. Every number is editable; the starting points come from city records, and build cost is an assumption to replace with a builder’s bid.
The rules
City GIS and parcel roll- Zoning
- R-1-A Single Family Residential
- Flood zone
- X
- Lowest floor
- —
- Waterfront
- No
- Lot size
- 8,433 sf 0.19 acres
- Ownership
- Private owner
Setbacks, height and lot coverage depend on the zoning district; see Delray Beach’s Land Development Regulations (Chapter 4, Zoning). Confirm with a surveyor and the city before you buy.
Nearby land sales
Off the water · last 5 years| Address | Sold | Price | Lot | $/sq ft | Away |
|---|---|---|---|---|---|
| 248 NW 5th Ave Vacant lot sale | Mar 2024 | $225K | 4,352 sf | $52 | 36 m |
| 515 NW 2nd St Bought for a new home · Pulte Home | Jan 2023 | $162K | 7,532 sf | $22 | 199 m |
| 521 NW 2nd St Bought for a new home · Pulte Home | Jan 2023 | $162K | 7,532 sf | $22 | 205 m |
| 350 NW 6th Ave Vacant lot sale | May 2025 | $265K | 6,425 sf | $41 | 217 m |
| 339 NW 8th Ave Vacant lot sale | Sep 2026 | $220K | 6,233 sf | $35 | 292 m |
| 259 NW 9th Ave Vacant lot sale | Dec 2022 | $230K | 5,441 sf | $42 | 354 m |
| 114 NW 4th Ave Vacant lot sale | Apr 2024 | $475K | 10,372 sf | $46 | 369 m |
| 115 NW 4th Ave Vacant lot sale | Apr 2026 | $525K | 10,372 sf | $51 | 369 m |