Investing & land · Massachusetts
What it costs to build a house on the North Shore: a developer's numbers
By Damon Amato, MA real estate salesperson and developer · Updated · 8 min readShort answer
Current 2026 guides put standard new construction in Massachusetts at roughly $200–$240 per square foot before land, and premium custom homes at $300–$400 or more. On the two North Shore homes from my projects whose size is public, build budgets came to about $167–$179 per square foot in 2018–2021, before today's higher costs. Lots for single homes cost $300,000–$460,000.
If you're thinking about building, buying land, or selling a lot to a builder, the per-square-foot figure is only the start. What you pay for the land, what's under it, and what the finished home will sell for decide whether a project works.
How much does it cost to build a house in Massachusetts?
Published estimates vary more than most people expect. One 2026 Massachusetts cost guide puts the state average near $220 per square foot for a standard finish, or about $440,000 for a 2,000-square-foot home before land, with Greater Boston and Cape Cod at the high end. Premium custom homes run $300–$400 or more per square foot.
- Land is almost never included. On the North Shore, the lot can be a third of the finished value.
- Site work varies by lot. Septic or sewer, ledge, wetlands and flood zones can add a lot, and generic estimates can't see them.
- Finish level matters most. The same house can differ by $100 or more per square foot depending on windows, kitchen, millwork and systems.
What did my North Shore homes actually cost?
Lot prices, build budgets and sale prices from my project records. Budgets are planned costs, not final costs, from 2017 to 2022.
| Home | Town | Lot price | Build budget | Sold | Sale price | Size | Budget / sq ft |
|---|---|---|---|---|---|---|---|
| 7 School St | Newburyport | $350,000 | $400,000 | Oct 2017 | $1,050,000 | — | — |
| 4 Brown St | Newburyport | $460,000 | $450,000 | Nov 2018 | $1,387,500 | — | — |
| 54 Hay St | Newbury | $300,000 | $650,000 | Nov 2019 | $1,365,000 | 3,884 | $167 |
| 56 Hay St | Newbury | $300,000 | $700,000 | Sep 2020 | $1,475,000 | — | — |
| 58 Curzon Mill Rd | Newburyport | $350,000 | $550,000 | Apr 2021 | $1,150,000 | 3,078 | $179 |
| 30 Cable Ave (2 units) | Salisbury | $450,000 | $600,000 | 2025 | — | — | — |
58 Curzon Mill Rd prices and size are from Newburyport assessor and registry records; 54 Hay St size is from its MLS listing. Other figures are from project records.
Two homes have a public square footage, and their budgets work out to $167 per square foot (54 Hay St, 2018–19) and $179 per square foot (58 Curzon Mill Rd, 2020–21). Both are below today's published state average, which matches what builders saw as material and labor costs rose after 2020. Treat them as a historical floor for this area, not a current quote.
Why North Shore costs differ from the state average
- Septic or sewer. Lots without town sewer need a Title 5 septic system, which adds design, permitting and installation costs.
- Coastal flood zones. Lots near the water can require elevated foundations and flood-resistant construction.
- Wetlands and conservation. Work near wetlands goes through the local Conservation Commission.
- Older town centers. Demolition review or design rules can affect a teardown's schedule. Ask the planning office first.
- Energy code. Many Massachusetts towns have adopted the stretch or specialized energy code, which changes insulation, windows and mechanical systems.
How much is a lot worth to a builder?
Builders work backward from the finished sale price: expected sale price, minus build cost, minus soft costs (design, permits, financing, selling), minus the builder's margin. On my projects the lot cost between about 20% and 34% of what the finished home sold for.
Finished values also move. 54 Hay St, which sold new in 2019 for $1,365,000, sold again in October 2024 for $1,810,000. 58 Curzon Mill Rd, which sold new in April 2021 for $1,150,000, sold again in January 2025 for $1,470,000. When finished values rise faster than build costs, builders can pay more for land.
Common questions
How much does it cost to build a house in Massachusetts per square foot in 2026?
Current guides put standard new construction around $200–$240 per square foot before land, and premium custom homes at $300–$400 or more. Your lot, site work and finish level can move the number well outside those ranges.
Does the cost per square foot include land?
Almost never. On the North Shore, single-home lots in my projects cost $300,000–$460,000, roughly a fifth to a third of the finished sale price.
Own land or a teardown?
Find out what a family would pay, what builders would pay, and whether an ADU or lot split changes the number.
Describe your propertySources
- Project lot prices, budgets and sale prices: Damon Amato's project records
- CostToBuildHouse, 2026 Massachusetts cost guide
- Town of Newbury assessor, 54 Hay St (October 2024 sale, deed 42382-266)
- City of Newburyport assessor, 58 Curzon Mill Rd (3,078 sq ft; 2020, 2021 and 2025 sales)
Sources checked 2026-11-08. This guide is general information, not legal, tax or financial advice.