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Selling a Home in Illinois: Costs, Transfer Taxes & 2026 Guide
Illinois's median home price is approximately $270,000 in 2026, and total selling costs typically run 8.5–10% of the sale price — roughly $23,000 to $27,000. But that number can jump significantly in Chicago, where a multi-layer transfer tax system adds thousands of dollars that suburban and downstate sellers don't face. Illinois also requires an attorney at closing, has a unique 5-business-day attorney review period, and mandates detailed seller disclosures.
Whether you're selling a vintage brownstone in Lincoln Park, a ranch house in Naperville, or a farmhouse downstate in Champaign, this guide breaks down every cost, legal requirement, and timeline detail for selling real estate in Illinois.
Cost Breakdown: What Sellers Pay in Illinois
Here's a detailed look at every major cost a seller faces when selling a home at the state median price of $270,000:
| Cost Category | Typical Range | Est. at $270K |
|---|---|---|
| Real estate commissions (5.2%) | 4.8%–5.8% | $14,040 |
| Transfer taxes (varies — see below) | 0.1%–1.5%+ | $270–$4,050+ |
| Closing attorney fees | $500–$1,500 | $800 |
| Title insurance & search | $500–$1,200 | $800 |
| Recording fees | $50–$200 | $100 |
| Home prep, staging & repairs | $1,000–$5,000 | $2,000 |
| Prorated property taxes | Varies (IL has high property taxes) | ~$2,000 |
| Survey | $300–$700 | $450 |
| Water / municipal certifications | $0–$300 | $100 |
| Estimated total | ~$20,500–$27,000 |
The biggest variable beyond commissions is the transfer tax, which differs enormously depending on whether you're in Chicago, suburban Cook County, or downstate Illinois.
Flat-Fee MLS Alternatives in Illinois
The traditional listing agent commission in Illinois runs 2.5–3% — roughly $6,750 to $8,100 on a $270,000 home. Flat-fee services replace that with a fixed price:
- Ridley Essentials ($999): Full MLS listing through Midwest Real Estate Data (MRED) or other local MLS boards, professional photography coordination, digital marketing tools, and seller dashboard. On a $270,000 sale, switching from a 2.5% listing commission to Ridley saves roughly $5,750.
- Ridley Premium ($1,999): Everything in Essentials plus enhanced marketing, dedicated support, and advanced listing features.
- Traditional flat-fee MLS: Basic listing-only services in Illinois start around $200–$500, typically offering minimal support and no marketing tools.
Given Illinois's high property taxes and multi-layer transfer taxes, reducing the commission is one of the most effective ways sellers can control their total out-of-pocket costs at closing.
Attorney Requirement: What Illinois Sellers Need to Know
Illinois is an attorney-closing state. Both the buyer and seller typically retain separate attorneys, and the attorney plays a central role throughout the transaction:
- Contract review and modification: Illinois contracts include a 5-business-day attorney review period during which either party's attorney can propose changes or cancel the deal entirely.
- Title examination: Reviewing the title commitment, resolving any clouds on title, and ensuring clear transfer.
- Document preparation: Drafting or reviewing the deed, transfer declarations, closing statement, and other legal documents.
- Closing oversight: Supervising the signing, managing the escrow, and ensuring proper fund disbursement.
- Tax prorations: Illinois property tax prorations are complex because taxes are paid in arrears. Your attorney ensures the correct amount is credited to the buyer.
Attorney fees in Illinois typically range from $500 to $1,500 for a standard residential transaction. The 5-business-day attorney review period is effectively unique to Illinois and provides a critical window for legal counsel to protect your interests before the contract becomes binding.
Illinois Transfer Taxes: The Multi-Layer System Explained
Illinois has one of the most complex transfer tax structures in the country, with up to four layers of tax depending on where the property is located. Understanding these layers is critical for accurately estimating your selling costs.
Transfer Tax Layers
| Tax Layer | Rate | On $270K Home | On $400K Home |
|---|---|---|---|
| Illinois State | $0.50 per $500 (0.1%) | $270 | $400 |
| Cook County | $0.25 per $500 (0.05%) | $135 | $200 |
| City of Chicago | $3.75 per $500 (0.75%) | $2,025 | $3,000 |
| Chicago CTA Tax | $1.50 per $500 (0.30%) | $810 | $1,200 |
| Total — Chicago | $6.00 per $500 (~1.2%) | $3,240 | $4,800 |
| Total — Cook County suburb | $0.75 per $500 (~0.15%) | $405 | $600 |
| Total — Downstate (outside Cook) | $0.50 per $500 (0.1%) | $270 | $400 |
As the table shows, a Chicago seller on a $400,000 home pays $4,800 in transfer taxes alone — compared to just $400 for a downstate seller at the same price. This is one of the largest regional cost differences within any single state in the country.
Additional Local Transfer Taxes
Some Cook County suburbs also levy their own municipal transfer taxes on top of the state and county layers. Notable examples include:
- Evanston: $5.00 per $1,000 (0.5%), one of the highest suburban rates
- Oak Park: $3.00 per $1,000 (0.3%)
- Skokie: $3.00 per $1,000 (0.3%)
- Berwyn: $5.00 per $1,000 (0.5%)
Always check with your municipality before listing to confirm the current transfer tax rate and who customarily pays it.
Illinois Disclosure Requirements
Illinois sellers must complete the Residential Real Property Disclosure Report under the Residential Real Property Disclosure Act (765 ILCS 77). This form covers:
- Foundation, basement, and structural condition
- Water infiltration, drainage, and flooding history
- Roof age and condition
- HVAC, plumbing, electrical, and sewer/septic systems
- Environmental hazards: lead paint (pre-1978), asbestos, radon, underground storage tanks, mold
- Termite or pest damage history
- Zoning violations, building code issues, or unpermitted work
- Boundary or lot line disputes
- HOA or condominium association obligations and assessments
- Known material defects not covered by other items
Illinois also requires sellers to complete a Radon Disclosure Form, disclosing any known radon testing results and mitigation. Some municipalities (including Cook County) have additional local disclosure requirements.
Important: Illinois courts have held sellers liable for failure to disclose known material defects, even when the buyer had the opportunity to inspect the property. Honest, thorough disclosure is both a legal obligation and your best protection against post-closing disputes.
Selling a Condo in Chicago: ICPA & Special Considerations
Chicago has one of the largest condo markets in the Midwest, and selling a condo involves requirements beyond what single-family home sellers face.
Illinois Condominium Property Act (ICPA)
Under the ICPA, condo sellers must provide buyers with:
- Condominium declaration, bylaws, and rules and regulations
- Most recent financial statements and budget
- Disclosure of pending special assessments or litigation
- Capital reserve fund status and any planned capital improvements
- Insurance information (master policy details)
Most Chicago condo associations charge a transfer fee ($200–$500 is typical) and may charge for preparing the required document package (sometimes called a "22.1 disclosure"). Some buildings also have a right of first refusal, giving the association or other owners the option to match any accepted offer.
Condo Deconversion Trend
A notable Chicago-specific trend is condo deconversion, where an investor or developer purchases an entire condo building and converts it back to rental apartments. If your building has received a deconversion offer, this can significantly affect your selling strategy:
- Deconversion offers are typically at or above market value for individual units
- Under Illinois law, 75% of unit owners must approve a deconversion sale
- If a deconversion vote is pending, individual unit sales may be harder to close — buyers don't want to purchase a unit in a building that may convert to rentals
- Disclose any deconversion activity or offers to potential buyers
Chicago Condo Assessment Risks
Special assessments are a major concern for Chicago condo buyers. Aging buildings (many Chicago condos date to the early 2000s boom or earlier) may face large special assessments for roof replacement, tuckpointing, elevator modernization, or plumbing overhaul. Sellers should disclose any known upcoming assessments and provide recent board meeting minutes.
Timeline: How Long Does It Take to Sell in Illinois?
| Phase | Typical Duration | Notes |
|---|---|---|
| Pre-listing prep | 1–3 weeks | Repairs, staging, photography, listing setup |
| Active on market | 10–45 days | Chicago: 10–25 days; downstate: 30–60+ days |
| Attorney review period | 5 business days | Unique to Illinois — either party can cancel or modify |
| Inspection & negotiation | 7–14 days | Home inspection, radon test, repair negotiations |
| Mortgage processing & appraisal | 21–35 days | Runs concurrently with inspection period in many cases |
| Closing prep | 5–10 days | Title clearance, final walkthrough, fund wire setup |
| Closing day | 1 day | Signing, fund disbursement, deed recording |
| Total: listing to closing | 45–90 days | Chicago metro trends shorter; downstate trends longer |
Illinois's attorney review period adds roughly one week to the timeline that many other states don't have, but it provides valuable legal protection for both parties.
Illinois-Specific Selling Considerations
Property Tax Prorations
Illinois property taxes are paid in arrears — meaning you pay last year's taxes this year. This creates a complex proration situation at closing:
- The seller typically gives the buyer a credit at closing to cover the estimated property taxes from January 1 through the closing date
- Since the actual tax bill won't be issued for months, the proration is based on the most recent known tax bill, often with a 105–110% multiplier to account for expected increases
- In Cook County, where property taxes are notoriously high (effective rates of 1.5–2.5%), this proration credit can be $3,000 to $8,000 or more
- The proration percentage (typically 105% or 110% of the prior year's taxes) is negotiable and specified in the contract
Water Certifications and Municipal Requirements
Many Illinois municipalities require a water certification or final water/sewer reading before closing. Some cities also require:
- Point-of-sale inspections (common in some Cook County suburbs)
- Compliance certificates for smoke and carbon monoxide detectors
- Transfer stamps from the village or city clerk's office
Check with your municipality early in the listing process to avoid last-minute delays at closing.
Radon
Illinois has some of the highest average radon levels in the country, particularly in the northern and central parts of the state. While not universally required, radon testing during the inspection period is standard practice. If levels exceed 4 pCi/L, mitigation systems typically cost $800 to $1,500. Having a radon test done before listing — and mitigating if needed — can prevent deal-killing surprises during the buyer's inspection.
Lead Service Lines
Chicago has one of the largest concentrations of lead water service lines in the country. If your property has a lead service line connecting it to the city water main, this is a disclosure item. The City of Chicago has an active lead service line replacement program, and buyers are increasingly aware of this issue.
Chicago vs. Suburbs vs. Downstate Markets
City of Chicago
Chicago's housing market is diverse, with significant variation by neighborhood:
- Median price: ~$340,000–$380,000 citywide, but ranges from under $150,000 in some South and West Side neighborhoods to $700,000+ in Lincoln Park, Lakeview, and the Gold Coast
- Days on market: 15–30 days in popular North Side neighborhoods; 30–60+ days in slower areas
- Transfer taxes: The highest in the state at ~1.2% of the sale price
- Condo market: Large condo inventory; condos often take longer to sell than single-family homes and require additional documentation
- Strong rental investor activity in multi-unit buildings (2-4 flats)
Chicago Suburbs (Cook, DuPage, Lake, Will, Kane Counties)
- Median price: $300,000–$450,000 depending on county; western suburbs (Naperville, Hinsdale) command premiums
- Days on market: 15–35 days; school district quality heavily influences both price and speed
- Transfer taxes: Cook County suburbs pay ~0.15%; DuPage, Lake, and Will County sellers pay only the state 0.1% unless their municipality adds a local tax
- Family buyers dominate the market, with school ratings being a primary price driver
Downstate Illinois
- Median price: $150,000–$220,000 in most markets; Springfield, Champaign-Urbana, and Peoria are the largest downstate markets
- Days on market: 30–60+ days; slower pace than Chicagoland
- Transfer taxes: State-only rate of 0.1% (lowest possible in Illinois)
- University towns (Champaign-Urbana, Bloomington-Normal) have more consistent demand due to student and faculty housing needs
- Population decline in some areas puts downward pressure on prices — proper pricing is essential
Frequently Asked Questions
How much does it cost to sell a house in Illinois?
On a median-priced $270,000 home in Illinois, total selling costs typically range from $22,000 to $28,000 (8-10% of the sale price). This includes agent commissions (~5.2%), transfer taxes (which vary significantly by location), attorney fees ($500-$1,500), and other closing costs. In Chicago, multi-layer transfer taxes can add substantially to the total. Flat-fee services like Ridley can reduce the listing commission significantly.
Is an attorney required to sell a house in Illinois?
Yes. Illinois is an attorney-closing state, meaning a real estate attorney must be involved in the transaction. The attorney reviews the contract, handles title work, prepares closing documents, and oversees the closing. Most Illinois attorneys charge $500 to $1,500 for a standard residential closing. Both the buyer and seller typically have their own attorney.
How much are transfer taxes in Illinois?
Illinois has a multi-layer transfer tax system. The state charges $0.50 per $500 of sale price (0.1%). Counties can add their own tax — Cook County charges $0.25 per $500. The City of Chicago adds the largest layer at $3.75 per $500 (0.75%), plus a $1.50 per $500 Chicago CTA tax. On a $400,000 Chicago home, total transfer taxes can exceed $6,000. Suburban and downstate sellers pay significantly less.
Who pays transfer taxes in Illinois?
In Illinois, the seller customarily pays the state and county transfer taxes. In Chicago, the seller also customarily pays the city transfer tax. However, this is negotiable — the contract can allocate transfer tax responsibility differently. In some suburban areas, it is increasingly common for buyers and sellers to split certain transfer tax layers.
What disclosures are required when selling a home in Illinois?
Illinois requires sellers to complete a Residential Real Property Disclosure Report covering material defects, environmental hazards, flooding history, structural issues, and system conditions. Sellers must disclose known issues with the foundation, roof, plumbing, electrical, HVAC, and more. For properties built before 1978, federal lead paint disclosure is also required. Radon disclosure is recommended, and some municipalities require radon testing.
How long does it take to sell a house in Illinois?
The average Illinois home spends 20-45 days on the market before going under contract, with Chicago-area homes often selling faster than downstate properties. Add 30-45 days for closing (which includes the standard 5-business-day attorney review period), and the total timeline from listing to closing is typically 50-90 days.
What is the attorney review period in Illinois?
Illinois real estate contracts include a 5-business-day attorney review period after the contract is signed. During this time, either party's attorney can propose modifications to the contract, and either party can cancel the deal. This period is unique to Illinois and a few other states. It effectively serves as a cooling-off period and gives attorneys time to protect their clients' interests.
Can I sell my house without a realtor in Illinois?
Yes. Illinois allows For Sale By Owner (FSBO) transactions. You will still need an attorney for closing. A flat-fee MLS service like Ridley gives you MLS exposure and professional listing tools without the traditional 2.5-3% listing agent commission. You may still want to offer a buyer's agent commission (typically 2.5-3%) to attract represented buyers.
What are the rules for selling a condo in Chicago?
Selling a condo in Chicago involves additional requirements under the Illinois Condominium Property Act (ICPA). Sellers must provide buyers with condo association documents including declarations, bylaws, financial statements, budget, and any pending special assessments. The condo association has a right of first refusal in some buildings, and transfer fees are common. Chicago's high transfer taxes also apply to condo sales.
Do I have to pay state income tax on my home sale profit in Illinois?
Illinois has a flat 4.95% state income tax rate that applies to capital gains. However, most primary residence sellers qualify for the federal capital gains exclusion ($250,000 for single filers, $500,000 for married couples filing jointly) if they have lived in the home for at least two of the last five years. Only gain exceeding these thresholds is subject to federal and Illinois state income tax.
The Bottom Line
Selling a home in Illinois means navigating a multi-layer transfer tax system, mandatory attorney involvement, a unique attorney review period, and — in Chicago — additional complexities around condos, lead service lines, and some of the highest local transfer taxes in the nation. Total selling costs on a median-priced $270,000 home typically range from $22,000 to $28,000, with the exact amount heavily influenced by your property's location within the state.
The single most controllable cost is the real estate commission. Flat-fee services like Ridley can save Illinois sellers $5,000 or more compared to the traditional percentage-based listing commission — money that goes a long way toward offsetting the state's hefty transfer taxes and property tax prorations.
For more state-by-state comparisons and cost data, explore these related guides:
- Home Selling Costs by State (2026 Data)
- How Much Does It Cost to Sell a House?
- What Is Flat-Fee Real Estate?
- How to Sell a House Without a Realtor
Last updated March 2026. Data sourced from the Illinois Association of Realtors, National Association of Realtors, U.S. Census Bureau, Illinois Department of Revenue, Cook County Clerk's Office, and City of Chicago Department of Finance. Costs are estimates and may vary by location, property type, and transaction specifics. This guide is for informational purposes only and does not constitute legal or financial advice.