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Updated 2025 Tax Year

Sagadahoc County
Property Tax Guide

Everything you need to know about property taxes in Sagadahoc County, ME. Rates, due dates, exemptions, and how it affects your monthly payment.

10 Official Sources
8 min read
Quick Facts
Tax Rate
Average 15.03 mills ($15.03 per $1,000 assessed value), varies significantly by municipality
Exemptions
5+ Available
Section 1

How Property Tax Works

Sagadahoc County, Maine operates under a property tax system where taxes are collected at the municipal level to fund essential local services including schools, public safety, infrastructure maintenance, and county operations. The county's property tax system is based on the assessed value of real estate, with tax rates expressed in mills (one mill equals $1 per $1,000 of assessed value). For the 2025 tax year, property owners in Sagadahoc County can expect an average effective tax rate of approximately 15.03 mills, though this represents a county-wide estimate.

It's important to understand that actual tax rates vary significantly by municipality and special taxing districts within Sagadahoc County. Each town sets its own mill rate based on local budget requirements, and additional assessments may apply for school bonds, fire districts, or other special service areas. The county's 2025 state valuation is set at $3,224,350,000, which serves as the basis for state funding formulas and helps determine local tax burdens across the county's municipalities.

Section 2

What Makes Up Your Tax Bill

ComponentRate (Mills)Description
Municipal OperationsVaries by townBasic town services, administration, public works
School DistrictVaries by districtLocal school funding, transportation, facilities
County Assessment~2.5-3.5County government operations, sheriff, courthouse
Special DistrictsVariesFire districts, water/sewer, improvement districts
Total Estimated Rate~15.03Average across county municipalities

Note: These rates apply to the FY 2025-2026 levy year. Actual mill rates vary by municipality within Sagadahoc County. Towns like Bath, Topsham, and Richmond each set their own rates based on local budget needs. Special taxing districts for services like fire protection or infrastructure improvements may add additional mills to your total rate. Contact your specific municipality for exact current rates.

Section 3

When Are Property Taxes Due?

For the 2025/2026 tax year in Sagadahoc County, property taxes are due in two installments:

Pro tip: If you pay through mortgage escrow, your lender splits these payments across your monthly mortgage. If you pay directly, set calendar reminders to avoid late penalties.
Section 4

Supplemental Tax Bills

Supplemental taxes in Sagadahoc County are additional property tax bills issued when there are changes in property ownership, new construction, or improvements that occur after the annual assessment date but before the end of the tax year. These supplemental assessments ensure that new property values are captured in the current tax year rather than waiting for the next annual assessment cycle.

Common triggers for supplemental taxes include the purchase of a new home, completion of major renovations or additions, new commercial construction, or the removal of exemptions. The supplemental tax is calculated by taking the difference between the new assessed value and the previous assessed value, multiplying by the current mill rate, and prorating for the remaining months in the tax year. For example, if you purchase a home valued at $400,000 in January that was previously assessed at $350,000, you would owe supplemental tax on the $50,000 difference for the remaining portion of the tax year at your municipality's mill rate.

Example Calculation

Example 1: $300,000 Home

  • Assessed Value: $300,000
  • Homestead Credit Applied: -$25,000 (requires application)
  • Net Taxable Value: $275,000
  • Tax Rate: 15.03 mills
  • Annual Tax: $4,133
  • Monthly Payment: $344

Example 2: $600,000 Home

  • Assessed Value: $600,000
  • Homestead Credit Applied: -$25,000 (requires application)
  • Net Taxable Value: $575,000
  • Tax Rate: 15.03 mills
  • Annual Tax: $8,642
  • Monthly Payment: $720

Example 3: $1,000,000 Home

  • Assessed Value: $1,000,000
  • Homestead Credit Applied: -$25,000 (requires application)
  • Net Taxable Value: $975,000
  • Tax Rate: 15.03 mills
  • Annual Tax: $14,654
  • Monthly Payment: $1,221

Note: The Homestead Credit shown above reduces the assessed value by up to $25,000 but requires annual application through your municipality. Credits are not automatic and must be applied for by April 1st of each tax year.

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Section 5

Escrow & Property Taxes

Most mortgage lenders in Sagadahoc County require borrowers to establish an escrow account for property tax payments, especially when the down payment is less than 20%. Your lender will estimate your annual property tax bill, divide it by 12, and collect this amount with your monthly mortgage payment. The lender then pays your property taxes directly to your municipality when they become due.

Lenders typically review escrow accounts annually and may adjust your monthly payment based on actual tax bills and account balances. If your property taxes increase due to reassessment or mill rate changes, your escrow payment may increase accordingly. You'll receive an annual escrow analysis statement showing how your payments were applied and any surplus or shortage in the account. Property owners are responsible for verifying that their lender pays taxes on time, as you remain ultimately liable for any unpaid amounts even when using an escrow service.

How HonestCasa Helps
  • Understand whether your escrow is set correctly
  • See how rising taxes will change your monthly payment
  • Plan ahead instead of being surprised by "shortage" letters
Section 6

Frequently Asked Questions

Q: When are property taxes due in Sagadahoc County? A: Due dates vary by municipality within the county. For the FY 2025-2026 tax year, most towns have due dates in the fall, but some offer split payment options. Note that federal tax relief extended some 2024 deadlines to July 15, 2024, for storm-affected areas.

Q: What is the Homestead Credit and how do I apply? A: The Homestead Credit reduces your home's assessed value by up to $25,000 for tax purposes. This is a tax credit that requires application - it's not automatic. You must file an application with your municipality by April 1st each year. Applications are available at town offices or can be downloaded from the Maine Property Tax Forms page.

Q: Are there other tax credits available besides Homestead? A: Yes, Maine offers various tax credits including Veterans' Credits for disabled veterans, and credits for certain senior citizens. All credits require separate applications and have specific eligibility requirements. Contact your local assessor for available programs and application deadlines.

Q: How does the Homestead Credit actually work? A: The Homestead Credit doesn't reduce your property's market value - instead, it caps annual assessment increases and provides a reduction in taxable assessed value. You must apply annually, and the credit applies only to your primary residence where you're registered to vote.

Q: When are properties reassessed in Sagadahoc County? A: Assessment schedules vary by municipality. Most towns conduct revaluations every 4-10 years, with annual updates for new construction and major improvements. Contact your local assessor for your town's specific reassessment schedule.

Q: What are the penalties for late property tax payments? A: Late payment penalties vary by municipality but typically include interest charges starting 30 days after the due date. Some towns charge a flat late fee plus monthly interest. Unpaid taxes can eventually result in tax lien procedures.

Q: Can I pay my property taxes online? A: Online payment options vary by municipality within Sagadahoc County. Most larger towns like Bath and Topsham offer online payment portals, while smaller municipalities may require payment by mail or in person. Check your tax bill or municipal website for available payment methods.

Q: What if I disagree with my property assessment? A: You can appeal your assessment through your local Board of Assessment Review. Appeals typically must be filed within 185 days of receiving your tax commitment (bill). You'll need to provide evidence supporting your claim that the assessment is incorrect, such as recent comparable sales or evidence of property defects.

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