Room Addition Permit Requirements in Tinley Park, IL

BS&A Online. Cook & Will counties.

Population: 55,971 Code: 2021 Verified: 2026-04-10 3 local rules

When you DO need a permit

All additions require building and zoning permits in Chicago, IL.

Estimated fee: $440 – $1,320

Typical timeline: About 4 weeks

Source: Tinley Park Building Code (Municipal Code Title 14)

Large additions require comprehensive permitting in Chicago, IL.

Estimated fee: $880 – $4,400

Typical timeline: About 6 weeks

Source: Tinley Park Building Code (Municipal Code Title 14)

Two-story additions require comprehensive permitting in Chicago, IL.

Estimated fee: $1,100 – $5,500

Typical timeline: About 6 weeks

Source: Tinley Park Building Code (Municipal Code Title 14)

Room Addition Permit Costs: Tinley Park vs. Nearby

Tinley Park's fees are right in line with the Illinois average — $440 – $5,500 versus $537 – $2,511 statewide.

CityEstimated Fee
Tinley Park $440 – $5,500
Chicago $440 – $1,320
Chicago $880 – $4,400
Chicago $1,100 – $5,500

Fees shown are estimates based on local building code data. Actual fees may vary based on project scope and valuation.

Zoning & HOA Considerations

Zoning

Room additions typically require zoning review for setbacks, height limits, and lot coverage. Your addition must comply with your zoning district's building envelope requirements.

HOA Communities

If you live in an HOA community: room additions almost always require HOA architectural review approval. HOAs may restrict the size, style, materials, and exterior appearance of additions to maintain neighborhood consistency.

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Building Department Contact

NameBuilding Department
Address16250 S. Oak Park Ave., Tinley Park, IL 60477
HoursMon-Fri 8:30am-5pm

Frequently Asked Questions

Estimated permit fees for Room Addition projects in Tinley Park, IL range from $440 – $1,320. Fees vary based on project scope and valuation.

It depends on the specifics of your project. Some smaller Room Addition projects may be exempt from permit requirements, while larger ones typically require a permit. Use our free lookup tool to check your specific situation.

Working without a required permit in Tinley Park can result in fines, stop-work orders, being required to remove completed work, and complications when selling your home. It's always best to check first.

Typical approval time for Room Addition permits in Tinley Park is About 4 weeks. More complex projects may take longer if plan review is required.

If you live in an HOA community, you may need architectural review approval in addition to a building permit. HOA rules and city building codes are separate — you may need to satisfy both. Review your CC&Rs and submit to your HOA's architectural review committee before starting work.

Learn More About Room Addition Permits

Read our complete guide covering permit requirements, costs, common exemptions, and the application process.

Read Room Addition Guide →

Estimate your permit fees →

Disclaimer: This information was last verified on 2026-04-10. Building permit requirements may change. Zoning requirements (setbacks, lot coverage, height limits) are separate and vary by location. Always confirm with your local building and planning departments before starting your project. PermitMint provides general guidance, not legal advice.