New-build home prices in 02421
Recorded home sales in ZIP 02421 (Middlesex County) run a median of $623 per square foot, the ground pricing a new-build has to work against. The middle half of sales sit between $533 and $720/sq ft.
What new homes sell for in 02421
At the local median of $623/sq ft, a new home would price roughly:
| 1,500 sq ft | $934,500 |
| 2,000 sq ft | $1,246,000 |
| 2,500 sq ft | $1,557,500 |
| 3,000 sq ft | $1,869,000 |
A gross sale price. The land bid it supports comes after build cost, contingency, fees, finance and profit — the residual the Threshold tool solves.
By home type
| Home type | Sales | Median $/sq ft | Median size | Median price |
|---|---|---|---|---|
| Single-family | 551 | $627 | 2,796 sf | $1,611,000 |
| Condominium | 53 | $586 | 1,784 sf | $1,026,000 |
| Multi-family | 3 | $1,030 | 3,502 sf | $1,570,000 |
Recent sales in 02421
| Type | Sq ft | Sale price | $/sq ft | Yr built | Sold |
|---|---|---|---|---|---|
| Single-family | 3,477 | $2,750,000 | $791 | 2020 | 5/2025 |
| Condominium | 2,972 | $2,200,000 | $740 | 2024 | 5/2025 |
| Single-family | 3,095 | $2,162,000 | $699 | 1992 | 4/2025 |
| Single-family | 2,880 | $2,150,000 | $747 | 2007 | 5/2025 |
| Single-family | 4,543 | $3,775,000 | $831 | 1880 | 5/2024 |
| Single-family | 7,458 | $3,625,000 | $486 | 2008 | 7/2024 |
| Single-family | 4,826 | $3,475,000 | $720 | 2023 | 10/2024 |
| Single-family | 4,734 | $3,384,025 | $715 | 2023 | 7/2024 |
| Single-family | 3,956 | $3,375,000 | $853 | 2023 | 4/2024 |
| Single-family | 4,450 | $3,260,000 | $733 | 2023 | 11/2024 |
| Single-family | 4,374 | $3,150,000 | $720 | 2023 | 8/2024 |
| Single-family | 6,316 | $3,025,000 | $479 | 2022 | 4/2024 |
| Single-family | 3,960 | $2,999,000 | $757 | 2020 | 5/2024 |
| Single-family | 3,417 | $2,950,000 | $863 | 1952 | 6/2024 |
| Single-family | 3,947 | $2,900,000 | $735 | 1933 | 4/2024 |
Appraising a site in 02421?
Drop a pin and Threshold US Land turns these comparables into an achievable new-build price and the maximum land bid that still hits your margin — in under 60 seconds.
Reserve founding access →Questions about 02421 home prices
- What is the price per square foot in 02421?
- Recent recorded home sales in ZIP 02421 (Middlesex County, MA) run a median of $623 per square foot, with the middle half between $533 and $720, from 607 qualified sales in 2021-2025.
- What does a home sell for in 02421?
- The typical recorded sale in 02421 is a 2,699 sq ft home at $1,557,500. A new 2,699 sq ft home at the local $623/sq ft would price around $1,681,477.
- Where does this 02421 data come from?
- MassGIS Level 3 standardized assessor parcel data, compiled from all 351 Massachusetts municipalities. Qualified residential sales from 2021. Estimates for site screening, not an appraisal.
All of Middlesex County →
Nearby ZIPs: 02420 · 02451 · 01731 · 02452 · 02476 · 01773 · 02478 · 02474
Massachusetts land hub
Method: recorded residential sales with assessor living area (2021+) from MassGIS Level 3 standardized assessor parcel data, compiled from all 351 Massachusetts municipalities, assigned to nearest ZIP centroid. $/sq ft is sale price over heated living area. Estimates for site screening, not a USPAP appraisal. Updated July 2026.