A new home gains a 10-year cost edge over resale: Realtor.com

Newly built homes carry a median list price premium of about $60,000 over existing homes nationally, but lower energy and major-system costs give new-home buyers an average $25,335 advantage in total cost of ownership over the first 10 years, according to a Realtor.com analysis using Pearl SCORE data.

What the Realtor.com study found

• National gap: Median new-construction home just under $450,000 vs. existing home a bit above $390,000, per Realtor.com’s latest New Construction Insights report.
• 10-year operating savings: Buyers of 2025-vintage homes can expect to save $25,335 over 10 years versus a 20-year-old (2005) home of the same 1,750-square-foot size, based on:
  • Modeled heating and cooling energy use
  • Replacement/repair costs for HVAC, roofs and water heaters
• Geography matters: Savings swing widely by state, driven by climate, building codes and local energy price trajectories.
• In 16 metros, 10-year savings exceed the new-home price premium; in 50 others, new construction is already cheaper at the median than existing homes.

Why this matters for builders and residential investors

The data reframes the “new vs. resale” price conversation around total cost of ownership (TCO), not just purchase price. For builders, developers and capital, it strengthens the economic case for energy-efficient, code-forward product and offers a quantifiable way to sell buyers – and investors – on cost certainty over a typical 10-year hold.

In a high-rate environment where monthly payment is the consumer’s primary decision metric, being able to show that a higher sticker price is partially or fully offset by lower utility and replacement outlays over a decade is a powerful tool for:

• Sales and marketing: Justifying premiums, especially in code-tight, high-cost markets.
• Product strategy: Prioritizing envelopes, mechanicals and systems that demonstrably beat 20-year-old stock.
• Capital formation: Supporting pro formas that assume lower operating cost risk and higher customer satisfaction.

Code stringency, climate and the new-home advantage

The Realtor.com/Pearl modeling underscores how much building codes and climate shape the long-run economics of new homes.

New England: High premiums, higher savings

Top “savings states” are heavily concentrated in New England, where strict and recent International Energy Conservation Code (IECC) adoptions intersect with heavy heating loads:

In these states, new-construction premiums are steep – often 25% to nearly 50% above existing-home prices – but very tight envelopes, high R-values and modern mechanicals generate $34,000-$39,000 in 10-year savings relative to 20-year-old homes.

For builders and land outfits in these markets, the data helps justify:

• Higher initial sales prices where codes and labor costs push up hard costs
• Investment in better building envelopes, triple-pane windows, heat pumps and advanced controls
• Marketing narratives that directly tie code compliance and higher specs to dollar savings in a buyer’s 10-year budget

South: Lower premiums, muted operating savings

The lowest savings states are mostly in the South, where new construction is prolific and land and codes support lower initial pricing, but ongoing operating-cost differentials between new and 20-year-old homes are smaller:

Drivers:

• Less rigorous codes (with the exception of Florida on wind and recent IECC adoption) generally narrow the efficiency gap between new and 20-year-old homes.
• Lower heating loads reduce the absolute dollar value of efficiency gains, even though cooling and dehumidification remain significant line items.
• Competitive new-home pricing in exurban and greenfield locations already puts many buyers into new product without needing a TCO story.

For Southern builders, the opportunity is less about overcoming a price premium – which is small or even negative in some states – and more about using operating-cost certainty to:

• Differentiate in crowded, high-volume submarkets
• Bolster underwriting and rent assumptions for build-for-rent and SFR platforms
• Prepare for likely future code tightening by getting ahead on efficiency now

Metros where 10-year savings erase the price premium

Realtor.com identified 16 of the 300 largest metros where:

• New homes are priced above existing homes at the median, yet
• The state-level 10-year savings from energy and major-system costs are large enough to fully offset that upfront gap over a decade of ownership.

Those markets include coastal California, Mountain West, Midwest and Southern metros:

*Savings figure is at the state level; local savings will vary by microclimate, utility rates and product type.

Patterns here matter for site selection and product positioning:

• High-cost coastal metros like San Diego now have a quantifiable argument that new construction matches or beats resale on 10-year TCO despite six-figure-plus price tags.
• Secondary and tertiary markets such as Billings, Merced and Bloomington show similar dynamics, which can bolster the TCO narrative for master-planned communities and SFR portfolios.
• Sunbelt growth metros including Jacksonville, San Antonio and Greenville post smaller per-home savings, but given their scale of new construction, cumulative system-level impact on grid load and household budgets is substantial.

Implications for builders, developers and suppliers

1. Treat energy and durability as line items in the buyer’s 10-year budget

The Realtor.com/Pearl framework essentially monetizes performance over a 10-year hold. Builders and residential investment managers can pull this into day-to-day decision-making by:

• Presenting buyers with 10-year “all-in” cost worksheets that combine P&I, taxes, insurance, utilities and expected major replacements for new vs. comparable existing homes.
• Translating incremental spec costs – higher R-values, better windows, more durable roofing, variable-speed HVAC – into dollars saved over 10 years using localized assumptions.
• Embedding TCO logic in financing structures, for example lender and builder programs that recognize lower operating costs in DTI calculations where permissible.

2. Product and spec strategy: Where performance pays back fastest

The modeling reinforces that cold and code-forward states provide the fastest payback for performance materials and systems. For manufacturers and suppliers, that argues for:

• Targeted deployment of higher-performance SKUs – roofing, windows, insulation systems, heat pumps – in New England and Upper Midwest markets with high heating degree days and recent IECC adoption.
• Bundled offerings marketed not just on R-value or SEER, but on modeled 10-year cash savings relative to 20-year-old homes.
• Partnerships with builders and developers to obtain real-world performance data that can refine or stress-test model-based assumptions.

In the South, where the gap in modeled savings is smaller, the strategy may tilt toward:

• Durability, moisture management and roof/wind resilience that reduce unplanned repair risk more than monthly bill amounts
• Solutions tied to grid constraints and peak cooling loads rather than heating efficiency alone
• Packages that can be converted into insurance and warranty value propositions for buyers and BTR operators

3. Land and community strategy: New construction as a TCO hedge

With resale inventory aging and under-improved in many metros, this research supports a view of new construction as a household-budget hedge against volatile energy and repair costs.

• Master-planned communities: Developers can program neighborhoods around consistent efficiency and resilience standards, then market communities as “10-year predictable cost zones.”
• BTR / SFR portfolios: Lower modeled operating and replacement costs directly support NOI and long-term capex planning, making high-efficiency new-build portfolios a different asset class than scattered-site 20-year-old stock.
• Infill vs. exurban trade-offs: Where land is tight and construction costs high, these TCO metrics can support higher densities or stacked product if developers can demonstrate meaningful long-run savings over older housing stock.

4. Policy and regulatory outlook: Codes as economic drivers

The contrast between New England and Southern states suggests that modern codes are not just regulatory friction, but financial differentiators for new construction.

• States and municipalities adopting newer IECC versions may see wider economic gaps between new and existing stock, reinforcing the value of redevelopment and tear-down-to-new-build strategies.
• For builders, aligning early with anticipated code pathways can keep you ahead of the curve and lock in a TCO advantage that older stock will struggle to match.
• Investors and lenders may increasingly underwrite portfolios based not only on age and location, but on code vintage and modeled energy performance.

Key questions for the next cycle

For homebuilding executives, residential developers, investors and suppliers, the Realtor.com/Pearl analysis poses several strategic questions:

• Sales and pricing: How consistently are your field teams using TCO arguments – with numbers – to defend prices against older comps?
• Design and value engineering: Which efficiency or durability features deliver the largest 10-year savings per incremental construction dollar in your climate zones?
• Capital and portfolio strategy: Are your underwriting models incorporating differences in operating and capex costs between new and 20-year-old product at the metro or submarket level?
• Partnerships: Are you working with data providers and rating systems like Pearl SCORE or HERS to translate building science into financial language buyers and capital providers can act on?

Bottom line for The Builder’s Daily audience

The headline from Realtor.com’s research for builders and residential investors is not that new homes are cheaper up front – in most places, they are not – but that new construction is increasingly competitive on a 10-year total cost basis when energy and major systems are factored in.

As rates, codes and consumer energy costs all move higher and more volatile, the advantage shifts toward product that is predictable and efficient to operate. That is the segment where professional builders, developers and manufacturers already have the most control – and the data in this report gives the industry a clearer, more quantifiable way to price, design and sell for that future.