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What Documents Are Needed for a Property Appraisal in Illinois?

If you are ordering a property appraisal in Illinois, having the right documents ready can make the process faster, more accurate, and less stressful. While you are not required to provide every document we have listed, it may help the process move along for the appraiser.

If you are just starting the process, you can also review our residential appraisal services in Illinois to understand how the full process works from start to finish.

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Why Do Documents Matter in an Appraisal?

A property appraisal is based on more than just a visual inspection. Appraisers analyze property details, improvements, legal data, and market conditions.

If you are unsure how values are determined, take a look at our guide on how property appraisals work in Illinois for a deeper breakdown.

Missing or incomplete information can lead to:

  • Delays in the appraisal process
  • Conservative or lower valuations
  • Additional follow-up requests

Providing documentation upfront helps avoid these issues.

Property Appraisal Document Checklist

1. Purchase Agreement (If Applicable)

If the property is being bought or sold, a signed purchase agreement is one of the most important documents.

If you are in the middle of a transaction, you may also want to review our pre-listing appraisal services to help set an accurate price before going to market.

2. Property Tax Records

Recent property tax information helps verify:

  • Assessed value
  • Parcel details
  • Tax history

If you are appealing your taxes, see our property tax appeal appraisal services for additional guidance.

3. Deed or Title Information

A copy of the deed helps confirm:

  • Legal ownership
  • Property boundaries
  • Property description

For legal-related valuations, visit our estate and legal appraisal services page.

4. Survey or Plat of Survey

A survey shows:

  • Lot dimensions
  • Easements
  • Encroachments

This is especially helpful in areas with older housing stock. If you are in the Chicago area, explore our Chicago appraisal services for local expertise.

5. Floor Plans or Property Layout (If Available)

Not required, but helpful. Admittedly, the appraisers most likely will have access to this information. But, if you provide, it can help the process along.

These documents:

  • Confirm square footage
  • Show layout and flow
  • Highlight additions or finished areas

Accurate square footage is critical when comparing similar homes in your market. You can also browse our home appraisal services near you to see how local comparisons are made.

6. List of Recent Improvements

This is one of the most overlooked but valuable documents.

Include:

  • Renovations (kitchen, bathroom, basement)
  • Major upgrades (roof, HVAC, windows)
  • Dates and estimated costs

If you recently renovated and want to understand the impact on value, consider a post-renovation appraisal.

7. Homeowners Association (HOA) Information

If the property is part of an HOA, provide:

  • Monthly dues
  • HOA contact information
  • Any special assessments

HOA details can influence market value and buyer demand, especially in suburban Illinois markets.

8. Rental Income or Lease Agreements (If Applicable)

For investment or multi-unit properties, provide:

  • Current leases
  • Rent roll
  • Operating income details

For these types of properties, visit our multi-family and investment property appraisal services page.

9. Previous Appraisal (Optional)

If you have a recent appraisal, it can be helpful for:

  • Reference
  • Property history
  • Prior condition and valuation

However, every appraisal is completed independently based on current market data.

What If You Do Not Have All These Documents?

That is completely normal.

Appraisers can still complete an appraisal using public records and their own research. However, providing documentation helps improve accuracy and reduces the chance of follow-up questions.

If you are unsure what is needed for your situation, you can contact our appraisal team for guidance before scheduling.

How to Prepare Before the Appraiser Arrives

A few simple steps can make a difference:

  • Gather documents in advance
  • Create a short list of upgrades
  • Ensure all areas of the property are accessible
  • Be available to answer questions if needed

If you are getting ready to schedule, you can order an appraisal online to get started.

Last Thing

A property appraisal in Illinois does not have to be complicated. Most of the documents are things you already have or can easily access.

The more information you provide, the more confident the appraiser can be in delivering an accurate valuation.

Need an Appraisal in Illinois?

Real Valuation Services provides residential and commercial appraisals across Illinois.

Whether you are buying, selling, refinancing, or need an appraisal for legal or financial purposes, you can order your Illinois appraisal today or explore our Illinois service areas to find coverage near you.