Assessor Offices in Knox County, Maine

There are 5 Assessor Offices in Knox County, Maine, serving a population of 39,700 people in an area of 366 square miles. There is 1 Assessor Office per 7,940 people, and 1 Assessor Office per 73 square miles.

In Maine, Knox County is ranked 1st of 16 counties in Assessor Offices per capita, and 1st of 16 counties in Assessor Offices per square mile.

List of Knox County Assessor Offices

Find Knox County, Maine assessor, assessment, auditor's, and appraiser's offices, revenue commissions, GIS, and tax equalization departments.


Friendship Town Assessor 6 Harbor Road Friendship, ME

Knox County Registry Of Deeds 62 Union Street Rockland, ME

Rockland Assessor 270 Pleasant Street Rockland, ME

Rockport Town Assessor 101 Main St Rockport, ME

Vinalhaven Assessor 19 Washington School Road Vinalhaven, ME

About the Knox County Assessor Office

Assessor Offices in Knox County, ME are responsible for assessing the values of all taxable property within their jurisdictions. Assessors appraise values of all land and commercial property (real property), and business' fixed asset (personal property). The office determines property tax values, tax rates, maintains and updates the local tax assessment rolls.

Property owners may contact the Department of Assessment for questions about:
  • Knox County property tax appeals and challenges
  • Property tax assessments and reassessments
  • Knox County GIS maps, plat maps, and property boundaries
  • Delinquent property taxes
  • Knox County, ME property tax payments and due dates
  • Assessment rolls and property tax rates

Knox County Home & Property Tax Statistics

Find Knox County Home Values, Property Tax Payments (Annual), Property Tax Collections (Total), and Housing Characteristics. Data Source: U.S. Census Bureau; American Community Survey, 2017 ACS 5-Year Estimates.

Knox County Home Values
 Knox CountyMaine
Median Home Value$199,600$179,900
Median Rental Cost (per month)$790$808
Knox County Property Tax Payments (Annual)
 Knox CountyMaine
Median Property Taxes$2,631$2,435
Median Property Taxes (Mortgage)$2,709$2,587
Median Property Taxes (No Mortgage)$2,510$2,130
Knox County Property Tax Collections (Total)
 Knox CountyMaine
Property Taxes$38,052,500$1,104,617,700
Property Taxes (Mortgage)$22,786,200$727,188,600
Property Taxes (No Mortgage)$15,266,300$377,429,100
Knox County Housing Characteristics
 Knox CountyMaine
Total Housing Units24,215735,711
Occupied Housing Units17,022 (70.3%)554,061 (75.3%)
Vacant Housing Units7,193 (29.7%)181,650 (24.7%)
Owner Occupied Housing Units12,983 (76.3%)399,142 (72.0%)
Renter Occupied Housing Units4,039 (23.7%)154,919 (28.0%)
Housing Units (Mortgage)58.7%62.3%
Housing Units (No Mortgage)41.3%37.7%