Illinois
Buying Land in Stephenson County, Illinois
Stephenson County, seat Freeport, sits at Illinois's northwestern edge along the Wisconsin border. Its 14 townships fall under a countywide zoning ordinance administered from Freeport, and in the past 15 years the county has become one of the more wind-and-solar-active parts of northern Illinois, anchored by a long-running hybrid wind/solar site and a large newer proposal south of Lena.
Zoning: countywide, administered from Freeport
Stephenson County's Department of Building & Zoning, at 295 W. Lamm Road in Freeport, administers the county's zoning ordinance for unincorporated territory under 55 ILCS 5 Division 5-12. In unincorporated Stephenson County, the equivalent of a building permit is formally called a "Zoning Certificate," and the ordinance limits most parcels to a single dwelling unit per lot regardless of acreage, with only limited exceptions. Land inside Freeport or any of the county's other incorporated municipalities falls under that municipality's own zoning code instead.
Stephenson County has 14 townships and uses Illinois's standard township form of government -- not the commission-government, no-township structure used in 17 of the state's 102 counties. Because the county has adopted its own zoning ordinance, township-level zoning under Article 110 (60 ILCS 1) doesn't independently apply here; a township plan commission's objection to a proposed rezoning still carries weight under 55 ILCS 5/5-12007, requiring a three-fourths county board supermajority to override.
EcoGrove and High Point: an operating wind-and-solar site near Lena
ACCIONA Energía's EcoGrove Wind Farm, a 100.5-megawatt project near Lena, has been generating power in Stephenson County for more than a decade. More recently, the company built the High Point Solar Farm directly within the existing wind-farm footprint -- an approximately 127-megawatt facility using solar-tracking technology and agrivoltaic land-stewardship practices, making the combined site one of the more established hybrid wind-and-solar developments in this part of Illinois.
If you're evaluating farmland near Lena or in West Point Township, ask directly whether a specific parcel carries a recorded EcoGrove or High Point lease, easement, or collector-line agreement -- these commonly run for decades and typically transfer with the land at sale.
Blue Violet Energy: a much larger wind, solar, and battery-storage proposal
Separately, Liberty Power (working with Nexamp on the local approval process) has proposed the Blue Violet Energy Facility south of Lena, spanning Kent and Erin Townships: a 50-megawatt solar plant on roughly 254 acres, a 40 MW/4-hour battery energy storage system, a substation, and a 174-megawatt wind facility of up to 29 turbines. At a November 2022 public hearing, the Stephenson County Zoning Board of Appeals recommended the special-use application be granted, conditioned on removing one parcel north of Illinois Route 20 from the project area -- with the county's own posted minutes estimating roughly $2.47 million in wind-related tax revenue and $330,618 in solar-related tax revenue if built as proposed. Confirm current construction status and any recorded lease or easement directly with the county and the Recorder's office before treating a nearby parcel as unaffected.
The county is also seeing a wave of smaller community-solar development -- reporting from Stateline Solar describes a county-wide target of roughly 180 megawatts of community solar, including a 100 MW project on about 600 acres within the EcoGrove footprint in West Point Township, alongside the much smaller Stephenson S1 project in Freeport. Taken together, this is a county where a meaningful and still-growing share of farmland sits under an existing or proposed renewable-energy lease.
Septic, wells, and other departments to know
Septic and water-well permitting in Stephenson County runs through the Stephenson County Health Department (10 W. Linden St., Freeport; 815-599-0344), which lists a septic permit fee of roughly $360 and a well-sealing fee of roughly $100 among its posted environmental health fees, under the statewide IDPH Title 77 Part 905 framework. The department also maintains well-construction records, water-test results, soil information, and septic-system records for individual parcels.
For recorded deeds, easements (including any wind, solar, or battery-storage lease), and plats affecting a specific parcel, contact the Stephenson County Clerk and Recorder. The county's Supervisor of Assessments handles property valuation, and University of Illinois Extension serves Stephenson County through its regional office network.
Who to Call Before Buying Land in Stephenson County
Direct WebFetch access to stephensoncountyil.gov was blocked by a network egress restriction throughout this research pass, so several department details reflect search-indexed content rather than a full verbatim read -- confirm current staff, hours, fees, and zoning status directly before relying on this page for a specific parcel.
Planning & Zoning
Stephenson County Department of Building & Zoning
Zoning Certificates, special-use applications (including wind/solar/BESS siting), and zoning verification for unincorporated Stephenson County.
Building & Permitting
Stephenson County Department of Building & Zoning
Zoning Certificates (the county's building-permit equivalent) in unincorporated Stephenson County.
Environmental Health
Stephenson County Health Department
General environmental health questions for Stephenson County.
Septic / Onsite Wastewater
Stephenson County Health Department
Private sewage disposal permits under the statewide IDPH Title 77 Part 905 standard.
Wells / Private Water
Stephenson County Health Department
Water well permitting, testing, and well-sealing.
Recorder / Clerk / Land Records
Stephenson County Clerk and Recorder
Recorded deeds, easements (including wind/solar/BESS-lease documents), and plats for a specific parcel.
Assessor / Property Tax
Stephenson County Supervisor of Assessments
Property valuation and assessment records.
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Get local guidanceTopics Specific to Stephenson County
Sources
- Stephenson County, IL -- Zoning — Stephenson County, Illinois Government (accessed 2026-09)
- Article III: Rules and Definitions -- Stephenson County, IL — eCode360 / Stephenson County, Illinois Government (accessed 2026-09)
- Article VIII: Residence Districts -- Stephenson County, IL — eCode360 / Stephenson County, Illinois Government (accessed 2026-09)
- Stephenson County, IL -- Health Department Service Fees — Stephenson County, Illinois Government (accessed 2026-09)
- High Point Solar Farm — ACCIONA Energía (accessed 2026-09)
- Acciona Opens Illinois Wind Farm — Sustainable Business (accessed 2026-09)
- 11.2.22 Stephenson County Zoning Board of Appeals -- Nexamp Blue Violet Energy (Short Minutes) — Stephenson County, Illinois Government (accessed 2026-09)
- FAQ -- Blue Violet Energy Facility — Blue Violet Energy Facility (Liberty Power) (accessed 2026-09)
- Project Summary -- Blue Violet Energy Facility — Blue Violet Energy Facility (Liberty Power) (accessed 2026-09)
- What is Community Solar? A Stephenson County Perspective — Stateline Solar (accessed 2026-09)
- Illinois Association Of County Board Members -- Forms of Counties — Illinois Association of County Board Members (accessed 2026-09)
Last reviewed 2026-09