Begin with the address in Highland Park
Highland Park (Census place 1734722) lies in Lake County on the January 1, 2024 boundaries; confirm that the parcel is inside the municipal limits before applying local rules.
Several local answers turn on jurisdiction, so check which body serves the parcel before following a municipal procedure. The local questions below return most often to permits, renovation and flooding.
Local requirements, with their limits visible
The 12 local questions below draw on official Highland Park and agency material checked on October 6, 2026; the sources do not establish parcel-specific compliance. Confirm the current requirements for historic preservation, permits and utilities with the responsible authority.
When preparing an offer or sale, confirm the current procedure, responsible party, required documents and timing for the exact property. Older documents, unreadable sources and conflicts require confirmation with the responsible office before relying on them.
- The building chapter reflects Ordinance O13-2026, passed 2026-02-23; confirm any later amendments with the City.
- Reported home value
- $607,300
- Monthly owner costs, with mortgage
- $3,479
ACS 2020–2024, municipality-wide medians in 2024 inflation-adjusted USD. Open-ended medians display a lower bound. These figures are not a current home valuation or a financing quote.
- Housing types
- The ACS estimates 12,488 housing units in Highland Park. Largest structure categories: 1 unit, detached: 9,193 (± 465), about 74%; 20–49 units: 856 (± 202), about 7%; 1 unit, attached: 569 (± 167), about 5%. Source 1
- Construction periods
- Of 12,488 estimated units, the largest construction periods are 1939 or earlier: 2,981 (± 540), about 24%; 1950 to 1959: 2,108 (± 283), about 17%; 1960 to 1969: 1,694 (± 288), about 14%. Source 1
- Reported home value
- The median value reported for owner-occupied units in Highland Park is $607,300 (± $40,019), in 2024 inflation-adjusted dollars. Source 1 · Source 2
THE HOMES BEHIND THE NUMBERS
Explore Highland Park’s housing stock.
Look at the estimated mix of buildings and construction periods, then use it to shape your property research.
ACS 2020–2024 · Estimated housing units · Tap or focus a row to inspect it.
Select a row for its estimate and uncertainty. A municipality-wide distribution does not describe every individual property.
Read both housing distributions as tables
| Category | Estimated units | Margin of error, units | Share, point estimate |
|---|---|---|---|
| 1 unit, detached | 9,193 | 465 | 73.6% |
| 1 unit, attached | 569 | 167 | 4.6% |
| 2 units | 195 | 97 | 1.6% |
| 3–4 units | 304 | 128 | 2.4% |
| 5–9 units | 369 | 147 | 3.0% |
| 10–19 units | 473 | 151 | 3.8% |
| 20–49 units | 856 | 202 | 6.9% |
| 50+ units | 529 | 136 | 4.2% |
| Mobile home | 0 | 27 | 0.0% |
| Boat, RV, van, etc. | 0 | 27 | 0.0% |
| Category | Estimated units | Margin of error, units | Share, point estimate |
|---|---|---|---|
| 2020 or later | 161 | 78 | 1.3% |
| 2010 to 2019 | 418 | 143 | 3.3% |
| 2000 to 2009 | 1,361 | 233 | 10.9% |
| 1990 to 1999 | 917 | 233 | 7.3% |
| 1980 to 1989 | 1,050 | 218 | 8.4% |
| 1970 to 1979 | 1,208 | 200 | 9.7% |
| 1960 to 1969 | 1,694 | 288 | 13.6% |
| 1950 to 1959 | 2,108 | 283 | 16.9% |
| 1940 to 1949 | 590 | 159 | 4.7% |
| 1939 or earlier | 2,981 | 540 | 23.9% |
Shares use the category estimate divided by its table total. Displayed margins of error apply to the unit counts; percentage uncertainty has not been derived. Read the original Census data · Data definitions.
YOUR QUESTIONS, ROOTED IN THE PLACE
Buying and selling in Highland Park.
12 local research questions
Choose the questions that fit your move. These controls narrow the reading links; every answer remains on this page.
12 reading links shown. Direct links always reach the full answer below.
Local research · Buyers & sellers
Why should a Highland Park buyer investigate demolition review before planning redevelopment?
Highland Park’s current building-code section describes a significant-demolition process in covered residential districts, with historic review and possible delay periods based on the structure’s evaluated significance. It separately requires utility-disconnection notices before issuance of a demolition permit. Buyers contemplating redevelopment should discuss the exact structure, survey classification and proposal with the City before assuming immediate demolition. The code contains qualifications and exceptions, so no universal delay or exemption is established here; the City must confirm the applicable process for the property.
Confirm current applicability · Checked 2026-10-06 · Source 1
Local research · Buyers & sellers
Where can I investigate Highland Park permit information and inspection requests?
Highland Park’s municipal online-services portal provides detailed permit inquiries and inspection requests, and its introductory page says those tools can be accessed without registering or logging in. Buyers can use the correct permit or address information to start reviewing documented work, then ask the Building Division to clarify incomplete records or outstanding inspections. Public portal access is a research aid rather than a certification of the home’s condition, and a missing result does not establish that the renovation was exempt or fully approved.
Confirm current applicability · Checked 2026-10-06 · Source 1
Local research · Seller questions
Can a Highland Park seller decide an unfinished home is ready for occupancy?
Highland Park’s code assigns temporary occupancy approval to the Building Official, with safety and inspection conditions. Ask for the actual authorization and remaining requirements before promising possession. A contractor’s completion estimate or a seller’s decision to move in does not establish that the City approved temporary occupancy.
Address-dependent research · Checked 2026-10-06 · Source 1
Local research · Buyer questions
Can an old Highland Park permit still authorize an unfinished renovation?
Highland Park’s posted code provides for permit expiration and invalidation after delayed or suspended work, with written extensions decided by the Building Official. Ask staff to verify the actual permit and extension record before taking over construction. An issued permit alone does not establish that authorization remains active.
Address-dependent research · Checked 2026-10-06 · Source 1
Local research · Buyer questions
Why can a Highland Park addition require testing existing downspouts and sump drains?
Highland Park’s plumbing code requires Public Works dye testing of existing downspouts and sump drains for additions or renovations of at least fifty square feet. Permit issuance depends on the results and required corrections. Ask Building staff about the actual project before budgeting; a new-room drawing does not establish that the existing drainage connections are acceptable.
Address-dependent research · Checked 2026-10-06 · Source 1
Local research · Buyer questions
Can Highland Park approve a private sewage system without a Lake County permit?
Highland Park’s plumbing code requires a Lake County permit before the City issues a permit for a private sewage disposal system, and the City’s 2026 plumbing amendments (Ordinance O13-2026, Chapter 170) prohibit the expansion of existing private sewage systems and new private sewage systems. Confirm the actual property’s service and any proposed work with both authorities. A municipal application or the seller’s description of the system does not establish that the county review or required inspections are complete.
Address-dependent research · Checked 2026-10-06 · Source 1
Local research · Seller questions
Which inspection records matter for concealed plumbing in a Highland Park renovation?
Highland Park requires plumbing work to remain uncovered and available for examination until it is inspected and approved. Ask for the permit and inspection results before describing a renovated wall or basement as complete. Finished surfaces or photographs of new fixtures do not establish that the concealed plumbing received the required municipal inspection.
Address-dependent research · Checked 2026-10-06 · Source 1
Local research · Buyer questions
What documents can a Highland Park electrical-service upgrade require?
Highland Park’s electrical amendments require load calculations and a one-line diagram for new services or service revisions, alongside the referenced utility service requirements. Discuss the actual equipment and proposed load with qualified professionals and Building staff. A quote for a larger panel does not establish that the service design or utility arrangements are approved.
Address-dependent research · Checked 2026-10-06 · Source 1
Local research · Buyer questions
Can a Highland Park renovation trigger electrical work beyond the room being changed?
Highland Park’s electrical code addresses exterior emergency disconnects and extends that requirement to remodeling or additions meeting its substantial-improvement definition. Ask Building staff and the electrician to assess the actual scope, applicable exceptions and current amendments. The renovation’s marketing description does not settle the code classification or the resulting electrical budget.
Address-dependent research · Checked 2026-10-06 · Source 1
Local research · Buyer questions
Which additional review matters when renovating a Highland Park home in a flood area?
Highland Park’s existing-building amendments connect flood-area repairs, alterations and additions to its watershed-development provisions. Confirm the actual parcel, improvement classification and applicable exceptions with Building staff before finalizing design or costs. The fact that a house already exists, or has historic characteristics, does not by itself establish an exemption from the required review.
Address-dependent research · Checked 2026-10-06 · Source 1
Local research · Buyers & sellers
Does a seasonal pool in Highland Park avoid permit and barrier review?
Highland Park’s swimming-pool amendments expressly require permits for seasonal and temporary pools and spas, with barrier provisions depending on the equipment and water depth. Ask Building staff to assess the actual installation, access and applicable exceptions. A removable or inflatable product description does not establish permission to install it without local review.
Address-dependent research · Checked 2026-10-06 · Source 1
Local research · Buyer questions
What records should a Highland Park buyer request for a home elevator?
Highland Park’s elevator provisions call for City inspection before equipment enters service and recurring inspections at twelve-month intervals. Request the actual inspection and maintenance records and confirm applicability with the City and qualified elevator professionals. A service invoice or working demonstration does not establish that the required inspection was completed or that no corrections remain.
Address-dependent research · Checked 2026-10-06 · Source 1
Sources and effective dates
Read the original guidance and use the version applicable to your property and transaction. Practical planning suggestions are distinguished from legal or program requirements.
- 2020–2024 ACS table B25024: Units in structure · U.S. Census Bureau
2024 ACS five-year release, covering 2020–2024. Estimates and 90% margins of error come from the official table-based Summary File. Not current sales or listing data.
Source checked · United States; Illinois municipalities - 2020–2024 ACS table B25034: Year structure built · U.S. Census Bureau
2024 ACS five-year release, covering 2020–2024. Estimates and 90% margins of error come from the official table-based Summary File. Not current sales or listing data.
Source checked · United States; Illinois municipalities - 2020–2024 ACS table B25077: Median value, owner-occupied housing units · U.S. Census Bureau
2024 ACS five-year release, covering 2020–2024. Estimates and 90% margins of error come from the official table-based Summary File. Not current sales or listing data.
Source checked · United States; Illinois municipalities - 2020–2024 ACS table B25088: Median selected monthly owner costs, by mortgage status · U.S. Census Bureau
2024 ACS five-year release, covering 2020–2024. Estimates and 90% margins of error come from the official table-based Summary File. Not current sales or listing data.
Source checked · United States; Illinois municipalities - 2024 TIGER/Line Shapefiles · U.S. Census Bureau
Legal boundaries and names are dated January 1, 2024. Full geometry determines the research county overlay; generalized display geometry cannot determine a parcel jurisdiction.
Source checked · United States; Illinois - 2024 TIGER/Line technical documentation · accuracy, citation and reuse
Issued September 2024. Sections 1.1–1.2 describe accuracy limitations, statistical boundary use, the registered trademark, citation and federal work reproduction.
Source checked · United States - 2024 ACS subject definitions · housing values and owner costs
2024 definitions and Appendix A document the survey universes, inflation adjustment and open-ended medians. A survey owner-cost measure is distinct from a visitor's current budget and maintenance reserve.
Source checked · United States - Change to condominium and HOA questions · U.S. Census Bureau
December 2025 note about the 2024 questionnaire: required HOA fees were added to the condominium-fee question. Use caution comparing selected monthly owner costs to pre-2024 data.
Source checked · United States - Highland Park municipal guidance
Check the source dates and confirm any unresolved version with the City.
Source checked · Highland Park, Illinois - Highland Park municipal guidance
Check the source dates and confirm any unresolved version with the City.
Source checked · Highland Park, Illinois - Highland Park Plumbing Code
Municode edition May 15, 2026; Chapter 170 replaced by Ordinance O13-2026, section 3, Exhibit A, passed February 23, 2026. Parcel scope and subsequent changes require City confirmation.
Source checked · Highland Park, Illinois - Highland Park Electrical Code
Municode edition May 15, 2026; Chapter 170 replaced by Ordinance O13-2026, section 3, Exhibit A, passed February 23, 2026. Parcel scope and subsequent changes require City confirmation.
Source checked · Highland Park, Illinois - Highland Park Existing Building Code
Municode edition May 15, 2026; Chapter 170 replaced by Ordinance O13-2026, section 3, Exhibit A, passed February 23, 2026. Parcel scope and subsequent changes require City confirmation.
Source checked · Highland Park, Illinois - Highland Park Swimming Pool and Spa Code
Municode edition May 15, 2026; Chapter 170 replaced by Ordinance O13-2026, section 3, Exhibit A, passed February 23, 2026. Parcel scope and subsequent changes require City confirmation.
Source checked · Highland Park, Illinois - Highland Park Elevator Safety Rules
Municode edition May 15, 2026; Chapter 170 replaced by Ordinance O13-2026, section 3, Exhibit A, passed February 23, 2026. Parcel scope and subsequent changes require City confirmation.
Source checked · Highland Park, Illinois
Confirm current Falcon coverage for your exact property. This resource does not establish a service-area, school, legal-unit or parcel determination.