Does installing solar panels increase my property taxes?

In over 35 states, no — a property tax exemption prevents the assessor from including your solar system's value in your home's assessment. States with full permanent exemptions include New Jersey, Texas, Florida, Arizona, Colorado, Wisconsin, Oregon, and many more. In states without an exemption (such as Tennessee, Kansas, and Pennsylvania), a solar installation could raise your assessed value and annual property tax bill.

Do I need to file paperwork to get the solar property tax exemption?

It depends on your state. In roughly half of exemption states, the exclusion is automatic once the permit is recorded. In others — including Florida (Form DR-482C), Illinois (Form PTAX-334), New York (Form RP-487), Ohio (Form EX29), and Texas (Form 50-128) — you must file a specific form with your county assessor, often before a deadline. Failing to file means losing the exemption for that year.

How much is the property tax exemption worth over 25 years?

The value depends on your state's property tax rate and system cost. For a $30,000 system in New Jersey (2.47% average rate), the permanent exemption saves $741/year or $18,525 over 25 years. In Texas (1.60% rate), it saves $480/year or $12,000 over 25 years. In Florida (0.89% rate), the savings are $267/year or $6,675 over 25 years. High-tax states like NJ, IL, and WI have the most financially valuable exemptions.

Does the property tax exemption transfer when I sell my home?

In most states, yes — the exemption is attached to the property and transfers to the new owner at sale. Some states (like New Hampshire in certain municipalities) may require the new owner to re-file. In New York, the 15-year exemption continues from the original installation date, not from the sale date. Verify with your county assessor before closing.

Does PACE solar financing affect my property tax exemption?

Yes, critically. PACE (Property Assessed Clean Energy) financing works by adding an assessment to your property tax bill — it is not protected by solar property tax exemptions. Unlike a standard solar loan, PACE obligations survive bankruptcy, take priority over your mortgage, and can prevent FHA/VA buyers from purchasing your home at sale. The solar property tax exemption only protects standard (non-PACE) installations from raising your assessed value.

Solar Property Tax Exemptions 2026: Complete 50-State Guide

One of the most under-claimed solar incentives in the United States isn't a tax credit or a rebate — it's the property tax exemption that prevents your home's assessed value from rising when you install solar panels. Across more than 35 states, solar installations are explicitly protected from property tax reassessment. Yet thousands of homeowners pay higher property taxes every year simply because they didn't know the exemption existed or didn't file the right paperwork.

This guide answers every property tax question solar buyers have: Does my state have an exemption? Is it automatic or do I need to file? What if my assessor raised my taxes anyway? And what are the states where you're on your own?

Why Solar Property Tax Exemptions Matter

A typical 10 kW residential solar system adds $25,000–$40,000 in installation cost. Without a property tax exemption, a county assessor could treat that investment the same way they treat a finished basement or a new kitchen — increasing your home's assessed value and raising your annual property tax bill accordingly.

The financial impact isn't trivial. At the U.S. average property tax rate of 1.07% of assessed value, a $30,000 solar addition without an exemption could add $321/year to your property tax bill permanently. Over 25 years, that's $8,025 in additional taxes — eliminating roughly 85% of what a typical buyer saves in a lower-rate state. In high-tax states like New Jersey (2.47%) or Illinois (2.27%), the damage is even larger: a $30,000 addition without protection could cost $741–$681/year, adding up to $18,525–$17,025 over a 25-year system life.

Property tax exemptions exist because state legislators understand this math. They've chosen to encourage solar adoption by decoupling the solar investment from the property tax base. The result: in most states, you can add $30,000 of clean energy infrastructure to your home and owe exactly the same property taxes you did before.

How Solar Property Tax Exemptions Work

There are three main exemption structures across U.S. states:

1. Full assessed-value exemption — The most common structure. The solar system is completely excluded from the assessed value of your property for property tax purposes. Your taxes are calculated as if the panels don't exist. Duration varies: some states offer permanent exemptions (e.g., Florida, New York, Arizona), others limit the exemption period (e.g., Ohio: 15 years, Iowa: 5 years, Nebraska: 6 years).

2. Partial assessed-value exemption — Only a portion of the solar system's value is excluded. Louisiana exempts 50% of solar system value for 10 years. South Dakota offers a 3-year exemption. Some states have dollar caps (e.g., Utah's 25% state income tax credit has a $1,600 cap, though the property tax exemption itself is uncapped).

3. Freeze/abatement structure — The assessed value is frozen at the pre-solar level for a set period rather than being explicitly excluded. This is less common but functionally similar.

Automatic vs. application-required: Critically, not all exemptions are automatic. Many states require you to file a specific form with your county assessor within a deadline — often April 15 or before the next assessment date. Failing to file means you lose the exemption for that year, even if the exemption exists in law.

Full 50-State Property Tax Exemption Reference

Tier 1: Full Exemption States (Permanent or Long-Term)

These states offer a complete exclusion of solar system value from property tax assessment, either permanently or for the lifetime of a typical solar system (20–25+ years).

State	Exemption Type	Duration	Application Required
Arizona	Full exclusion (A.R.S. §42-11054)	Permanent	No (automatic)
California	Full exclusion (Cal. Rev. & Tax. Code §73)	Through 2026 (renewable)	No (automatic)
Colorado	Full exclusion (C.R.S. §39-3-118.5)	Permanent	No (automatic)
Connecticut	Full exclusion (CGS §12-81(56))	20 years	No (automatic)
Delaware	9-year exclusion	9 years	County assessor varies
Florida	Full exclusion (FS §193.624)	Permanent	Yes — Form DR-482C
Georgia	Full exclusion (O.C.G.A. §48-5-41)	Permanent	No (automatic)
Hawaii	County-specific (varies by island)	Permanent	Yes — county form
Illinois	Full exclusion (35 ILCS 200/10-720)	Permanent	Yes — Form PTAX-334
Louisiana	50% exclusion (RS 47:1706)	10 years	Yes — parish assessor
Maine	Full exclusion (36 M.R.S. §656(1)(J))	20 years	No (automatic)
Maryland	Full exclusion (§9-203)	Permanent	No (automatic)
Massachusetts	Full exclusion (M.G.L. c.59 §5 Cl.45)	20 years	Yes — Form of List
Michigan	Full exclusion (MCL 211.9f)	Permanent	No (automatic)
Minnesota	Full exclusion (MN Stat. §272.02)	Permanent	No (automatic)
Missouri	Full exclusion	Permanent	No (automatic)
Nevada	Full exclusion (NRS 361.079)	Permanent	No (automatic)
New Hampshire	Municipal option (RSA 72:61–72:72)	Varies by town	Yes — Form PA-29 (by April 15)
New Jersey	Full exclusion (N.J.S.A. 54:4-3.113)	Permanent	No (automatic)
New Mexico	No property tax exemption	—	—
New York	Full exclusion (RPTL §487)	15 years	Yes — Form RP-487
North Carolina	80% exclusion (G.S. §105-277.3)	20 years	Yes — Form AV-10
Ohio	Full exclusion (ORC §5709.53)	15 years	Yes — Form EX29 with county auditor
Oregon	Full exclusion (ORS §307.175)	Permanent	No (automatic)
Rhode Island	Full exclusion (RIGL §44-3-3)	Permanent	Yes — local assessor
South Carolina	Full exclusion (SC Code §12-37-3135)	Permanent	No (automatic)
Texas	Full exclusion (TX Tax Code §11.27)	Permanent	Yes — Form 50-128 with county appraisal district
Utah	Full exclusion	Permanent	No (automatic)
Vermont	Full exclusion (32 V.S.A. §3845)	Permanent	No (automatic)
Virginia	Full exclusion (Code of VA §58.1-3661)	Permanent	Yes — county varies
Washington	Full exclusion (RCW 84.36.635)	Permanent	No (automatic)
Wisconsin	Full exclusion (Wis. Stat. §70.111(18))	Permanent	No (automatic)

Tier 2: Time-Limited Exemption States

These states offer exemptions that expire, requiring renewal or resulting in reassessment after the term ends.

Iowa — 5-year exemption (§427B.26). Must file with county assessor within 30 days of installation. After 5 years, the system's depreciated value is added to your assessment (typically minimal due to depreciation methodology).

Kansas — No statewide property tax exemption. Individual counties may offer exemptions but most do not.

Nebraska — 6-year exemption (§77-202.12). Must file with county assessor by December 31 of the installation year.

North Dakota — 5-year exemption (NDCC §57-02-09.1). Must apply with county auditor.

South Dakota — 3-year exemption (SDCL §10-6-35.24). Must apply with county director of equalization.

West Virginia — No statewide property tax exemption. Assessed at fair market value.

Wyoming — No statewide property tax exemption. Assessed as personal property (minimal value due to rapid depreciation schedules for equipment).

Tier 3: No Property Tax Exemption States

These states have no statewide solar property tax exemption. Your solar system may increase your home's assessed value, which would raise your annual property tax bill.

Alabama — No exemption. Note that properties in Energy Community census tracts may still benefit from the 40% federal ITC bonus, which partially compensates.

Alaska — No statewide exemption (most properties in Alaska are assessed by municipality).

Arkansas — 4.5% sales tax exemption exists but no property tax exemption.

Idaho — No property tax exemption. Idaho Power's annual true-up creates additional complexity for system sizing.

Indiana — Property tax deduction up to $6,000 of assessed value (IC 6-1.1-12-26.1) — a deduction, not an exemption. Provides modest relief but not full protection.

Kansas — No statewide exemption.

Kentucky — No statewide exemption (LG&E/KU territory; TVA territory in eastern KY).

Mississippi — No property tax exemption.

Montana — 10-year property tax exemption (MCA 15-6-225). Montana also has no state sales tax. File with county assessor.

New Mexico — No property tax exemption (though the 0.54% average tax rate is the lowest in the nation, limiting financial exposure).

Oklahoma — No statewide exemption; some tribal exemptions may apply.

Pennsylvania — No statewide exemption. PECO/PPL service territory buyers should verify county-specific exemptions.

Tennessee — No property tax exemption; combined with TVA Green Power Providers buyback structure, this makes the incentive stack the weakest in the Southeast.

States With the Most Valuable Exemptions

Not all exemptions are equal. The financial value depends on your state's property tax rate and the duration of protection.

New Jersey: 2.47% average property tax rate × $30,000 system × permanent = most financially valuable exemption in the country. A NJ buyer without this exemption would pay $741/year more in property taxes — permanently. Over 25 years: $18,525 in avoided taxes.

Illinois: 2.27% average rate × $30,000 × permanent = $681/year avoided, $17,025 over 25 years. Illinois Shines 15-year REC contracts + property tax exemption makes Illinois one of the best solar states in the Midwest.

Texas: 1.60% average rate × $30,000 × permanent = $480/year avoided, $12,000 over 25 years. Texas has no state income tax credit or sales tax exemption — the property tax exemption is the most important state-level incentive.

Florida: 0.89% average rate × $30,000 × permanent = $267/year avoided. But Form DR-482C must be filed with the county property appraiser. Without it, the exemption doesn't apply.

Wisconsin: 1.61% average rate × $30,000 × permanent = $483/year avoided, $12,075 over 25 years. Wisconsin's high property tax rate makes the exemption unusually valuable — more so than most neighboring states.

North Carolina: 80% exclusion. Effective saved rate: 80% × 0.72% avg rate × $30,000 = $173/year for residential systems. Less impactful than full-exemption states but material for 20 years.

How to File for Your Property Tax Exemption

Filing requirements vary widely by state and county. Here's the general process:

Step 1 — Determine if filing is required. In about half of exemption states, the exclusion is automatic once your permit is pulled or your system is activated. In the other half, you must file a specific form with your county assessor.

Step 2 — Identify your assessor. Property taxes are administered at the county or municipality level. Google "[your county] property tax assessor solar exemption" to find the correct office and form.

Step 3 — Gather documentation. Most applications require: (a) your property address and parcel number, (b) proof of installation (utility interconnection agreement or permission-to-operate letter), (c) system specifications (manufacturer, model, kW capacity, date installed), and (d) installation cost.

Step 4 — File within the deadline. Many states have strict deadlines. New Hampshire requires Form PA-29 by April 15. Ohio requires Form EX29 filed with the county auditor. Texas requires Form 50-128 filed with the county appraisal district before May 1. Missing the deadline typically means waiting until the following year.

Step 5 — Retain copies. Keep your application confirmation and all supporting documents. If your assessment is later challenged or incorrectly applied, you'll need proof of exemption status.

What to Do If Your Property Tax Bill Went Up After Solar

If you live in an exemption state but received a higher assessment after installing solar, you have options:

1. Verify the exemption was applied. Call your county assessor's office and ask whether your parcel has the solar energy exemption on file. In many cases, the installation wasn't flagged as solar in the permit system, and the assessor simply didn't know to apply the exclusion.

2. File a retroactive correction. Most states allow you to file for an exemption retroactively for the current and prior year. Provide your installation documentation and request a corrected assessment.

3. File a formal appeal. If the assessor disagrees, you have the right to appeal to your county Board of Equalization (or equivalent). The appeal must typically be filed within 30–90 days of the assessment notice. Bring: your state's exemption statute citation, your installation documentation, and (if possible) a letter from your installer confirming the system qualifies.

4. Contact your state solar association. Organizations like SEIA's state chapters and state-specific solar advocacy groups often have staff who handle exactly this type of dispute and can provide template appeal letters.

Solar Property Tax Exemptions and Home Sales

When you sell a home with solar, the property tax exemption typically transfers to the new owner in most states — it's attached to the property, not the homeowner. However, there are important nuances:

New York (Form RP-487): The exemption is tied to the property. When title changes, the new owner should notify the assessor to ensure continuity. The 15-year exemption period continues from original installation date, not from the sale date.

Florida (Form DR-482C): Filed annually in some counties. The new owner may need to re-file for the following year. Verify with the county property appraiser at closing.

New Hampshire (municipal exemptions): The exemption may lapse on sale in some municipalities if it was tied to the original owner's application. Check with the specific municipality.

Texas (Form 50-128): Automatic for subsequent owners once the initial exemption is on file, as long as the system remains operational. The buyer doesn't need to re-file.

Ohio (Form EX29): The 15-year exemption transfers with the property. No new application required at sale.

For comprehensive guidance on selling a home with solar (including SREC income transfer, net metering rights, and lease buyout decisions), see the Solar Energy When You Move: Selling, Transferring & Starting Over guide.

PACE Financing and Property Tax: A Critical Warning

If you financed your solar system with PACE (Property Assessed Clean Energy) financing — including programs like HERO, Mosaic, or GreenSky PACE — your installation is recorded as a property tax assessment. This is fundamentally different from a standard solar installation:

The PACE obligation appears on your property tax bill as an additional assessment
It survives Chapter 7 bankruptcy (cannot be discharged)
It cannot be stripped in Chapter 13 bankruptcy
It takes priority over your first mortgage
FHA, VA, and most conventional lenders will not close a purchase loan on a PACE-encumbered property without the lien being paid off first

The property tax exemption that protects non-PACE solar installations does not eliminate the PACE assessment — the PACE obligation is designed to work through the property tax system, not outside it. If you're considering PACE financing, understand the long-term implications before signing. See the hidden solar installation costs guide and the solar scams guide for more on PACE risks.

Solar's Effect on Home Appraisals vs. Property Tax Assessment

Property tax assessment and real estate appraisal are two separate valuations. A property tax exemption protects you from higher annual tax bills — but it doesn't prevent a solar system from increasing your appraised value for refinancing or sale purposes.

Appraisers use two methodologies to value solar:

Sales comparison approach: Most common in residential appraisals. The appraiser compares homes with and without solar that have recently sold. LBNL research on 22,000+ U.S. home sales found a $4,000/kW premium for owned solar systems. A 10 kW system adds approximately $40,000 to appraised value by this method.

Income approach: Used primarily for homes in states with active PBI or SREC programs (MA, NJ, IL, CT, MD). The appraiser capitalizes the expected 10–15 year income stream from SMART, SREC II, or Illinois Shines RECs at a market capitalization rate. This method can value the solar system at $20,000–$45,000 depending on the remaining program term and current certificate prices.

The key point: property tax exemptions shield you from annual tax bills based on the higher assessed value. They don't prevent the appraiser from valuing the system in a sale — which is a good thing, since that increased appraised value adds to your equity.

Strategic Implications: Choosing Where to Install

If you own properties in multiple states or are considering a relocation, property tax exemption status can meaningfully affect total solar economics.

For state-by-state incentive comparisons that include property tax exemptions in the full cost stack:

Northeast states (MA, CT, RI, NY, NJ, VT, NH, ME): See the Northeast Solar Guide 2026 — all 8 states have full exemptions
Mountain West states (AZ, CO, UT, NM, WY): See the Mountain West Solar Guide 2026 — AZ, CO, UT have full exemptions; NM and WY do not
Southeast states (FL, GA, NC, SC, VA, TN): See the Southeast Solar Guide 2026 — FL, GA, SC, VA, NC all have exemptions; TN does not
Midwest states (IL, MN, WI, MI, MO, OH): See the Midwest Solar Guide 2026 — all 6 have full exemptions
Great Plains states (ND, SD, NE, KS, IA): See the Great Plains Solar Guide 2026 — ND (5 yr), SD (3 yr), NE (6 yr), IA (5 yr) have limited exemptions; KS does not

Bottom Line: What You Need to Do

Confirm your state is on the exemption list above. If it is, determine whether filing is required.
File before the deadline if required. Don't assume the exemption is automatic — many homeowners lose a full year of protection by filing late.
Keep your installation documentation. PTO letter, contractor invoice, system specs — these are your proof of exemption eligibility.
Verify at closing if you sell. The exemption should transfer, but a quick call to the county assessor prevents unpleasant surprises for the buyer.
Check your property tax bill after the first full assessment cycle post-installation. If your taxes went up and you live in an exemption state, act immediately.

To calculate how property tax exemptions affect your solar payback period, try the Solar ROI Calculator and select your state — it incorporates property tax exemption status in the net incentive calculation for all 50 states.

For your state's full incentive package — including the 30% federal tax credit, state credits, sales tax exemptions, net metering, and SREC income — see the complete 50-state solar incentives guide.

Frequently Asked Questions

Does installing solar automatically increase my property taxes? In over 35 states, no — a property tax exemption legally prevents the assessor from including your solar system's value in your home's assessment. In states without an exemption, a solar system could increase your assessed value and annual tax bill.

Do I need to file anything to get the exemption? It depends on your state. In roughly half of exemption states (including Florida, Illinois, New York, Ohio, and Texas), you must file a specific form with your county assessor. In the other half, the exemption is automatic once the permit is recorded. Check your state's row in the table above.

How much is the property tax exemption worth? For a $30,000 solar system, the value depends on your state's tax rate. In New Jersey (2.47% rate), the permanent exemption saves $741/year or $18,525 over 25 years. In Florida (0.89%), it saves $267/year. In Texas (1.60%), it saves $480/year permanently.

Does the exemption transfer when I sell my home? In most states, yes — the exemption is attached to the property. Some states require the new owner to re-file (e.g., New Hampshire in certain municipalities). Verify with your county assessor before closing.

Is PACE financing covered by the property tax exemption? No. PACE financing works through the property tax system as an added assessment — it is not protected by solar property tax exemptions. The exemption protects standard (non-PACE) solar installations from raising your assessed value.