Sweetwater County Property Appraiser & Tax Assessor
Real property appraisal records, parcel search lookup, property tax rates, and assessment protest deadlines for Sweetwater County, Wyoming.
Sweetwater County Assessor's Office Information
Sweetwater County Appraisal & Assessment Office, Green River, WY 56001
Get Driving Directions ↗Monday - Friday: 8:00 AM - 4:30 PM (Local Time)
Closed on state & federal holidays.
(307) 829-2647
iGovServices / County Assessor Parcel Map
Sweetwater County Property Tax Calculator
Estimated using Sweetwater County's effective tax rate of 0.58% (Assessment ratio: 9.5%)
Appealing Your Sweetwater County Assessment
Within 30 calendar days of the postmark date on the assessment notice (sent in April).
Under Wyoming property tax law, property owners in Sweetwater County have the legal right to challenge an assessed valuation that exceeds fair market value, is unequally appraised compared to neighboring properties, or contains clerical errors.
Contact the Sweetwater County Assessor's Office to review your property record card, verify square footage, and present recent comparable sales (comps).
If informal review does not resolve the valuation, file a written notice of appeal with the County Board of Equalization before the statutory deadline.
Was Your Sweetwater County Home Over-Assessed This Year?
Studies show up to 30% to 60% of US residential properties are overvalued by automated municipal algorithms. Protesting your assessment before the statutory deadline can lower your tax bill by an average of $1,100/year.
Sweetwater County Homestead Exemptions & Tax Relief
Homeowners in Sweetwater County who occupy their home as their permanent primary residence may qualify for property tax reductions under state and local homestead programs:
Property Tax Refund Program (Tax Relief) reimburses up to 75% of county median property tax for homeowners with income under 145% of county median.
Veterans exemption reduces assessed value by $3,000 (approx. $200-$250 off property tax bill). New 2024 legislation caps home value increases at 4% annually.
Need Deed, Lien, or Title Records for Sweetwater County?
While the Property Appraiser values real estate for taxation, official legal property transfers, warranty deeds, mortgages, and marriage records in Sweetwater County are maintained by the County Clerk & Recorder.
Frequently Asked Questions
Where is the Sweetwater County Property Appraiser office located?
The official Sweetwater County property appraisal and tax assessment office is located at Sweetwater County Appraisal & Assessment Office, Green River, WY 56001. Operating hours are typically Monday - Friday: 8:00 AM - 4:30 PM (Local Time). You can reach the customer service staff by phone at (307) 829-2647.
What is the property tax rate in Sweetwater County, WY?
The average effective property tax rate in Sweetwater County is approximately 0.58%. For a home with the median county market value of $295.000, the estimated annual property tax is about $1711 per year.
How do I search for a property or parcel in Sweetwater County?
You can look up property record cards, assessed valuations, ownership history, and parcel boundary maps online through the official Sweetwater County parcel search portal: https://sweetwatercountywy.gov/assessor/parcel-search.
When is the deadline to appeal my property assessment in Sweetwater County?
Property valuation protests and appeals in Sweetwater County must be submitted by: Within 30 calendar days of the postmark date on the assessment notice (sent in April). Appeals are formally reviewed and heard by the County Board of Equalization.
How does the Homestead Exemption work in Sweetwater County?
Property Tax Refund Program (Tax Relief) reimburses up to 75% of county median property tax for homeowners with income under 145% of county median. Additional exemptions are available for senior citizens (65+) and disabled military veterans (Veterans exemption reduces assessed value by $3,000 (approx. $200-$250 off property tax bill). New 2024 legislation caps home value increases at 4% annually.).
Adjacent & Neighboring County Appraisers
County Overview
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