Home Solar Cost Guide

What home solar costs in Larchmont - and the 2026 rules that changed the math

What home solar actually costs in Larchmont, NY in 2026 - real marketplace prices, the New York rules that decide your payback, and the honest math now that the 30% federal tax credit is gone.

$15,480-$30,960installed, 6-12 kW at the $2.58/W marketplace average, before incentives

Installed home solar for Larchmont homeowners averages about $2.58 a watt across the U.S. marketplace - roughly $30,960 for a 12 kW system before incentives.

The 30% federal solar tax credit ended for installations finished after December 31, 2025 - Larchmont systems completed in 2026 get $0 from it.

Under New York's export rules, compensation for surplus power decides the payback - which typically runs 10-14 years on unsubsidized 2026 math.

Larchmont plus 12 surrounding towns within 40 km form one installer market of about 486,959 people - quotes should not vary much by town.

Solar pricing is unusually transparent if you know where to look: marketplace data puts the U.S. average at about $2.58 per watt installed. What varies in Larchmont is not the hardware - panels are commodities - but installer overhead, sales commissions, and New York's export rules. That is where quotes win or lose.

The single biggest change for Larchmont homeowners in 2026: the federal 30% tax credit is gone. A $31,000 system that effectively cost $21,700 in 2025 now costs the full $31,000. That does not automatically make solar a bad buy in New York - but it makes the state rules below matter far more.

Aerial view of a suburban block with several solar roofs
Rooftop solar array in a clean grid on an asphalt shingle roof
Installers positioning a panel onto roof mounting rails
House at dusk with rooftop solar and warm window lights

What installed solar costs in 2026

System sizeInstalled price (marketplace avg)Notes
6 kW$15,480Small roof / low usage
8 kW$20,640Typical starter system
10 kW$25,800Family home with AC
12 kW$30,960Large home / EV charging
Home battery (optional)$12,000-$16,000Backup power + self-consumption
The U.S. marketplace average for installed home solar is about $2.58 per watt - roughly $31,000 for a typical 12 kW system before incentives.Source: EnergySage marketplace pricing data, continuously updated (early 2026)

Compare solar quotes for Larchmont

These platforms collect bids from licensed installers so you can compare against the same spec. Prices come from installers, not from this site.

EnergySageMarketplace - multiple installer bids side by sideCompare quotes on EnergySage
ModernizeMatches you with vetted installers in your areaGet matched with local installers

Disclosure: this is an independent guide. If you request quotes through a link here, the platform may pay this site a referral fee. That fee never changes your quotes.

The 30% federal tax credit is gone for 2026 installations

The federal Residential Clean Energy Credit (30%) was repealed by the One Big Beautiful Bill Act signed July 4, 2025. Per the IRS, the credit is not available for any property placed in service after December 31, 2025 - and the IRS counts the installation completion date, not the contract date.

The federal residential solar credit is not available for any property placed in service after December 31, 2025.Source: IRS - Residential Clean Energy Credit

New York rules that decide your payback

RuleNew York status
Export compensation (net metering)Traditional (Phase One) net metering is still available for residential rooftop solar up to 25 kW - the customer is billed only for net electricity consumed and surplus kWh roll forward as credits - but any system interconnected on or after January 1, 2022 also pays a monthly Customer Benefit Contribution (CBC) charge based on DC nameplate size (2026 residential rates $0.97-$1.67 per kW-month depending on utility), while larger and front-of-meter projects are compensated under the VDER Value Stack instead.
State incentiveNY State Solar Energy System Equipment Credit (25% of qualified expenditures, capped at $5,000, non-refundable with 5-year carryover) plus the NY-Sun MW Block incentive administered by NYSERDA (per-watt, varies by region and block; Upstate Residential Block 14 was the active residential block as of 2026)
Sales tax on the systemExempt
Property tax on added home valueExcluded

The RPTL 487 property tax exemption runs only 15 years and each county, city, town, village and school district may individually opt out of it, so the exemption is not guaranteed everywhere; New York City separately runs its own solar property tax abatement program.

Traditional (Phase One) net metering is still available for residential rooftop solar up to 25 kW - the customer is billed only for net electricity consumed and surplus kWh roll foSource: New York regulator / utility filing

This guide is research, not advice: an independent summary of published prices and state rules. It is not an installer, lender or tax advisor - verify incentive eligibility with a licensed tax professional before relying on it.

Why only these platforms

In solar, the expensive mistake is rarely the price per watt - it is the wrong contract: a 20-25 year lease with an escalator clause, financing with a buried dealer fee, or an oversized system in a state that pays pennies for exports. A slightly higher bid from an installer with a decade of local history is usually the cheap option.

Solar lead generation is where most industry abuse lives, so this guide only links platforms that show you multiple named installers and let you walk away - never single-installer funnels or phone-blast forms. If a platform falls below that bar it gets removed from every page on this site.

PlatformWhat you getBackground
EnergySageSide-by-side bids from multiple installersThe largest U.S. solar marketplace; publishes its pricing data publicly
ModernizeMatched with vetted local installersEstablished home-services network (QuinStreet); installers are screened
Marketplace-style comparison consistently produces lower solar prices than single-installer sales channels.Source: EnergySage marketplace pricing data

Getting quotes in Larchmont

Before requesting quotes, have your last 12 months of electricity bills handy - system sizing should follow your real usage, not a salesperson's template. A bid sized far above your usage is a margin play, especially now that surplus export pays less in most states.

Residential utility meter with conduit running toward the roof

Reading a Larchmont roof honestly

Marketplace platforms collect bids from multiple NY installers against the same spec, which is the only clean way to compare - same roof, same size, different prices. Getting quotes is free and does not commit you to anything; prices come from the installers, never from this site.

This guide is research, not advice: an independent summary of published prices and state rules. It is not an installer, lender or tax advisor - verify incentive eligibility with a licensed tax professional before relying on it.

Common questions

Is there still a federal solar tax credit in 2026?

No. The 30% Residential Clean Energy Credit was repealed effective for systems placed in service after December 31, 2025, per the IRS. Only systems finished by the end of 2025 qualified. State-level incentives are separate and some survive - check the state page in this guide.

Do I need a battery with my solar?

Not necessarily. Under full retail net metering, the grid effectively stores your surplus for free. Batteries earn their $12,000-16,000 price where export rates are low, outages are common, or time-of-use rates make evening self-consumption valuable.

Is solar still worth it without the federal credit?

It depends mostly on your state's export rules and your daytime usage. Paybacks lengthened by roughly a third when the credit ended, but rising electricity rates and record-cheap hardware keep the math workable in states with decent export compensation - and marginal where exports pay avoided cost only.

Should I lease, get a PPA, or buy?

Buying keeps all savings and any incentives with you. Leases and PPAs put a company's equipment on your roof for 20-25 years, complicate a home sale, and in 2026 any tax benefits they advertise belong to the company under commercial rules - not to you. Read escalator clauses carefully.

How do I check if a solar quote is fair?

Divide the total price by the system's wattage. The U.S. marketplace average is about $2.58 per watt installed; $2.30-3.00 covers most fair quotes depending on roof complexity. Above that, ask exactly what you are paying extra for - in writing.

Is my roof even suitable for solar?

Three things decide it: orientation (south-facing is best in the U.S., east-west workable), shade (trees or taller buildings across midday hours can sink the math), and roof age (if the shingles have under 10 years left, reroof first - removing and reinstalling panels later costs thousands). Any honest installer assesses all three before quoting a number.

Compare solar quotes for Larchmont

These platforms collect bids from licensed installers so you can compare against the same spec. Prices come from installers, not from this site.

EnergySageMarketplace - multiple installer bids side by sideCompare quotes on EnergySage
ModernizeMatches you with vetted installers in your areaGet matched with local installers

Disclosure: this is an independent guide. If you request quotes through a link here, the platform may pay this site a referral fee. That fee never changes your quotes.

Prices in nearby cities

Lattingtown · Laurel Hollow · Laurens · Lawrence · Le Roy · Leicester · Lewiston · Liberty · Lima · Lindenhurst · Lisle · Little Falls

All New York cities

National price ranges and what moves them