Last updated 2026-07-24
TL;DR
Wisconsin's Managed Forest Law (MFL) reduces property tax by 85-90% for enrolled forest land, but in exchange most enrollees must allow public hunting access during state seasons. Landowners can choose closed designation for a higher annual fee ($20.30/acre in 2024) to restrict public use, or open designation ($1.80/acre) with mandatory public access. The program requires a 25- or 50-year contract, a certified management plan, and sustainable timber harvest.
What is Wisconsin Managed Forest Law and how does it affect hunting land?
Wisconsin Managed Forest Law (MFL) is a current-use forest tax program that cuts your property tax bill to a few dollars per acre if you commit to sustainable forest management for 25 or 50 years [1]. The tradeoff: most enrolled land must allow public hunting, trapping, fishing, hiking, and cross-country skiing during daylight hours [1]. That's open designation. You can opt for closed designation and keep the public out entirely, but the annual acreage fee jumps from $1.80 to $20.30 per acre in 2024 [2]. For a 40-acre parcel, that's the difference between $72 and $812 a year. Closed enrollment still saves money compared to full residential property tax, but the gap narrows fast if your land has buildings or high assessed value. Open MFL parcels show up on the Wisconsin DNR's public access map, and hunters can walk right on during legal seasons without asking [1]. Closed parcels do not appear on that map, and trespassing rules apply just as they would on any private land. If you plan to hunt your own land exclusively or lease it to a private group, closed designation is the only way to do that under MFL.
How does open vs. closed MFL enrollment work?
When you apply for MFL, you choose open or closed for each contiguous parcel [1]. Open land pays $1.80 per acre annually and must allow public recreational access. Closed land pays $20.30 per acre and you retain full control over who enters [2]. Both designations require the same management plan, the same harvest obligations, and the same withdrawal penalties if you break the contract early. The Wisconsin DNR does not manage open MFL land or post signs; you're still the owner and responsible for boundary marking [1]. The public has the right to enter for hunting, fishing, trapping, hiking, and cross-country skiing from one-half hour before sunrise to one-half hour after sunset [1]. You cannot charge a fee, require permission, or restrict access during those hours. Closed land keeps all those rights in your hands. You can lease hunting rights, allow family only, or prohibit entry entirely. The $20.30 fee is indexed and adjusted every five years; it was $10.20 in 2005, $13.25 in 2010, and has climbed with inflation [2]. If you enroll 80 acres closed, the annual fee alone is $1,624 before you add the tiny per-acre property tax. That's still cheaper than the $3,000-$8,000 residential tax bill most 80-acre parcels would carry, but the margin matters. You can mix designations on a single property if parcels are separated by at least 100 feet of non-MFL land or a public road [1]. Some owners enroll the back 60 acres as open to save money and keep the front 20 around the cabin closed for privacy.
What are the property tax savings under MFL?
MFL land is not exempted from property tax; it's taxed at a special reduced rate set by statute [1]. For 2024, the effective tax is roughly $0.04 per acre for timberland in the open category and about $0.15 per acre for closed, once you add county and local levies to the state fee [2]. Compare that to typical Wisconsin forest-county residential rates of $12 to $25 per acre, and you save 85 to 95 percent. The catch is you cannot have a residence on MFL land. If your cabin or home sits on five acres, you must carve that out and pay full residential tax on those five. The remaining forest acreage can enroll. Buildings used exclusively for forestry (a pole barn for equipment, a sugar shack) are allowed and taxed at the MFL rate [1]. A 50-acre parcel assessed at $150,000 with a mill rate of 18 might owe $2,700 a year in full residential tax. Under open MFL, you'd pay the $1.80 × 50 = $90 annual fee plus roughly $2 in local property tax, total $92. Closed MFL would cost $20.30 × 50 = $1,015 plus $8 in local tax, total $1,023. Both beat $2,700. These are rough estimates. Actual savings depend on your county's mill rate, the assessed value of improvements, and whether your township levies special assessments MFL land must still pay (road, fire, ambulance) [1]. Confirm the numbers with your county assessor before you enroll; the WoodlotLedger Current-Use Enrollment Kit walks you through the calculation worksheets and document checklist for Wisconsin MFL application. You'll see the biggest savings if your land has no buildings and your county has high residential rates. The savings shrink if you're in a low-tax township or if your closed-enrollment fee approaches what the open-market tax would have been.
What are the enrollment requirements and contract lengths?
MFL requires a certified management plan written by a consulting forester or approved plan-writer [3]. The plan covers 10 years and specifies which stands will be thinned, clearcut, or left alone, targeting sustainable yield. You submit the plan with your application, and the DNR reviews it for compliance with silvicultural standards. You choose a 25-year or 50-year contract term [1]. The 25-year option requires at least 20 contiguous acres; the 50-year option allows as few as 10 acres (20 if any is closed designation). Most owners pick 25 years to retain flexibility. At the end of the term, you can renew for another 25, convert to open if you were closed, or withdraw and return to normal taxation. During the contract, you must follow the management plan and harvest timber when the plan says to [3]. If a stand is scheduled for shelterwood cut in year eight, you have a two-year window to do it. Skipping a harvest without DNR approval is a violation that can trigger penalty and withdrawal. The DNR inspects enrolled land periodically, and they receive automated alerts if you apply for a building permit or subdivide the parcel. You can sell the land, and the new owner inherits the MFL contract and all its obligations [1]. That includes the public-access requirement if it's open, the harvest schedule, and the withdrawal penalty if they want out early. Many buyers love the tax savings and are happy to continue; some insist on a price reduction to cover the penalty if they plan to develop.
Can I hunt my own MFL land if it's enrolled open?
Yes, you can hunt your own open-designation MFL land anytime you want, subject to state hunting laws and seasons [1]. You're the owner. The public access requirement does not exclude you. The practical issue is competition. If your 40 acres sits next to state forest and shows up on the DNR map, you might have other hunters walking in on opening morning. You cannot post the land, deny access, or require others to ask permission during legal hunting hours [1]. You can ask them to leave politely, but you have no enforcement power unless they're violating a separate law (trespassing at night, littering, damaging property). Some owners hunt their open land successfully by targeting midweek days, using trail cameras to track when others are present, or focusing on species and seasons with less pressure (archery, turkey, small game). Others find the traffic frustrating and either pay for closed designation or hunt elsewhere. If you lease hunting rights to a group or outfitter, you cannot do that on open MFL land [1]. The public access requirement prohibits charging for access or granting exclusive use. Closed land allows leasing, and many owners cover the higher annual fee with lease income.
What happens if I want to withdraw land from MFL?
You can petition to withdraw all or part of your MFL land before the contract expires, but you'll pay a withdrawal tax calculated as 20 percent of the land's fair market value at withdrawal [1]. If your 30 acres appraises at $120,000 when you pull it out in year 12 of a 25-year term, you owe $24,000. The DNR assesses the value or you can hire your own appraiser [1]. The withdrawal tax is a lien on the property and must be paid before you can build, subdivide, or sell free and clear. It's steep by design; the state gave you 12 years of tax savings and expects a penalty if you bail early. There are a few penalty-free withdrawal reasons [1]: eminent domain (the county takes your land for a road), court-ordered division in divorce or estate settlement, or small parcels (under two acres) needed for a home site if you already live on adjacent land. Even then, you file a petition and wait for DNR approval. At the end of your 25- or 50-year term, you can withdraw with no penalty [1]. You'll return to normal property tax at the current assessed value. If the land has appreciated and the county reassesses, your tax bill will jump. Many owners simply renew for another term because the savings remain substantial and the management plan is already in place.
How are timber sales taxed under MFL?
Wisconsin assesses a 5 percent yield tax on the stumpage value of timber you sell from MFL land [4]. Stumpage value is the price the logger pays you for standing trees before harvest, not the delivered log price. If you sell $20,000 of stumpage, you owe $1,000 to the state, due within 30 days of the sale [4]. The yield tax replaces the property tax you're not paying on timber growth. You file Form MFL-YT with the DNR and pay the 5 percent [4]. The buyer (logger or mill) does not withhold it; you're responsible. The DNR cross-checks yield-tax filings against your management plan harvest schedule, so a sale that doesn't match your plan triggers a compliance review. On your federal income tax return, timber sales are usually taxed as capital gains if you've held the trees more than a year [5]. You report the gross proceeds on Form T (Timber), subtract your basis in the timber (what you paid for the land allocated to merchantable timber, plus any reforestation costs), and carry the gain to Schedule D [5]. Qualified timber gains are taxed at long-term capital gains rates, currently 0, 15, or 20 percent depending on your income [5]. If you treat forestry as a business (regular sales, active management, intent to profit), you may need to file Schedule C and pay self-employment tax on the profit [5]. Most passive woodland owners with occasional sales use Schedule D and avoid SE tax. Consult a CPA with timber experience; the rules hinge on facts like frequency, dollar volume, and whether you do the logging yourself. You do not pay Wisconsin income tax again on the stumpage sale; the 5 percent yield tax is the state's cut [4]. Federal tax is separate. Keep your yield-tax receipt and stumpage contract; you'll need them to document basis of land when you eventually sell the land.
What is the difference between MFL and Forest Crop Law?
Forest Crop Law (FCL) was Wisconsin's original forest tax program, created in 1927 [1]. MFL replaced it in 1986, and no new FCL enrollments have been allowed since October 27, 1985 [1]. Roughly 100,000 acres remain under FCL contracts that haven't expired yet. FCL contracts ran 25 or 50 years, required public access on all enrolled land (no closed option), and charged a 10 percent yield tax on timber sales [1]. The annual acreage fee was lower than today's MFL closed rate but higher than open. When an FCL contract ends, the owner can renew under MFL rules or withdraw. If you're buying land with an active FCL contract, you inherit the public-access obligation and the 10 percent yield tax [1]. The tax savings are similar to MFL, but you cannot convert to closed designation until the FCL term expires and you re-enroll under MFL. Most FCL land has already cycled into MFL or withdrawn. If you see a reference to Forest Crop Law in a title search or tax record, ask the county forester when the contract expires and what the renewal options are.
How do I apply for Wisconsin MFL enrollment?
Start by contacting your county forester or a private consulting forester to draft a management plan [3]. The plan must be signed by a certified plan-writer and submitted on DNR Form MFL-2 along with a property map, legal description, and application fee (currently $20 for up to 40 acres, $50 for 40-320 acres, $100 for over 320) [3]. You'll choose 25- or 50-year term, open or closed designation, and identify any land you're excluding (home site, non-forest areas) [3]. The DNR reviews the application and plan for compliance, checks that the land meets the definition of productive forest (at least 80 percent stocked with trees capable of producing merchantable timber), and issues an order of entry if everything checks out [3]. The order of entry sets the enrollment date and records the contract with the county. Your property tax classification changes effective January 1 of the year following entry [1]. If you're approved in June 2025, your 2026 tax bill (payable in 2026) reflects MFL rates. The whole process takes three to six months if your application is complete. Incomplete applications (missing signatures, unclear boundaries, plan errors) can take a year. The WoodlotLedger Current-Use Enrollment Kit includes Wisconsin MFL checklists, example maps, and document templates that speed up the application and reduce back-and-forth with the DNR. You'll pay the first year's acreage fee when the DNR invoices you, typically 60 days after entry [2]. After that, the county treasurer bills you annually along with any remaining property tax on excluded land.
Can I build a cabin or home on MFL land?
No. MFL prohibits residential structures on enrolled land [1]. If you want to build a home or cabin, you must withdraw that portion from the program and pay the 20 percent withdrawal tax on the fair market value of the parcel you're removing. You can exclude a building site at initial enrollment if you already own the land and plan to build later [1]. Carve out two to five acres around the intended home site, keep it out of the MFL application, and pay normal property tax on that piece. The rest enrolls. That way you avoid the withdrawal penalty. Buildings used exclusively for forestry are allowed [1]: equipment sheds, barns for storing logs, sugar shacks for syrup production. They must be clearly incidental to the forest use. A pole barn with a workshop and living quarters would not qualify; the DNR would require you to exclude it or withdraw. If you inherit land already in MFL and want to build, you'll need to petition for withdrawal, pay the 20 percent, and wait for DNR approval before you apply for a building permit [1]. Counties share building-permit records with the DNR, and an unpaid withdrawal tax will block the permit.
What is forest management, and why does MFL require a plan?
Forest management is the intentional practice of growing, harvesting, and regenerating trees to meet ecological, economic, and recreational goals over time [6]. It includes thinning overcrowded stands, planting diverse species, controlling invasive plants, and timing harvests to maximize value and health. Wisconsin MFL requires a certified management plan because the program's purpose is to encourage sustainable forestry, more than lock up land for tax savings [3]. The plan ensures you're actually managing the forest, harvesting when stands mature, and regenerating new growth. It's a contract: the state gives you a tax break, and you give the public a working forest that produces timber, habitat, and recreation access (if open). A typical MFL management plan divides your land into stands (areas of similar age, species, and condition), prescribes treatments for each stand over 10 years, and estimates volumes [3]. It might say: thin Stand 2 (12 acres of red oak) in year 4, clearcut and replant Stand 5 (8 acres of aspen) in year 7, leave Stand 1 alone. You hire a forester to write the plan, and it costs $500 to $1,500 depending on acreage and complexity [3]. The plan must be updated every 10 years, and you pay for that too. The DNR does not write plans for private landowners, but county foresters can refer you to qualified consultants. For more on what forest management looks like in practice, see our explainer on stand assessment, silviculture, and long-term planning.
How do I avoid capital gains tax on a timber sale?
You cannot avoid federal capital gains tax on timber sale profit entirely, but you can minimize it by using long-term capital gains treatment and documenting your basis of land and timber correctly [5]. First, hold the timber for at least one year before sale [5]. Sales of timber you've owned less than a year are taxed as ordinary income at rates up to 37 percent. Sales after one year qualify for long-term capital gains rates of 0, 15, or 20 percent depending on your income bracket. Second, allocate your land purchase price between the land and the merchantable timber standing on it at purchase [5]. If you bought 40 acres for $100,000 and a forester appraised the standing sawtimber at $20,000 of that, you have $20,000 of timber basis. When you sell that timber for $30,000 stumpage, your taxable gain is $10,000, not $30,000. Third, use IRS Form T (Timber) and track your basis in a timber account [5]. Every time you sell, you subtract the volume sold from your inventory and reduce basis proportionally. If you sell half the volume, you use half the basis. Reforestation costs, site prep, and professional forestry fees increase your basis and reduce future gain. Fourth, consider a Section 631(a) election if you're cutting your own timber and selling logs [5]. This lets you treat the cutting date as a deemed sale and lock in gain at that moment, before you incur milling or trucking costs. It's complex and only makes sense if you're a large operator, but it can shift the character of income favorably. There is no Wisconsin state income tax on the gain because you already paid the 5 percent yield tax [4]. That's the state's share. Federal tax is unavoidable unless your income is low enough to fall into the 0 percent capital gains bracket (roughly $40,000 for single filers in 2024) [5]. Work with a CPA who understands timber taxation. The IRS audits timber sales more than you'd think, especially when basis is unclear or the reporting doesn't match your return's story. Keep every contract, every volume tally, and every forester's appraisal.
Frequently asked questions
What is the Forest Management Bureau in Wisconsin?
The Forest Management Bureau is a division within the Wisconsin DNR that oversees private-forest programs including MFL, administers state forest lands, and provides technical assistance to landowners [3]. They review MFL applications, conduct compliance inspections, and publish silviculture guidance for Wisconsin tree species.
Do I have to pay taxes on timber sold from MFL land?
Yes. You pay a 5 percent Wisconsin yield tax on stumpage value to the DNR within 30 days of sale, and you pay federal capital gains tax on the profit when you file your annual return [4] [5]. The yield tax replaces the property tax you're not paying; the federal tax is on the gain above your timber basis.
How do I report a timber sale on my federal tax return?
Report the sale on IRS Form T (Timber) in Part I or II depending on whether you sold stumpage or cut the timber yourself [5]. Carry the gain to Schedule D as a capital gain. Subtract your timber basis (allocated from land cost plus reforestation expenses) from gross proceeds to calculate taxable gain. Attach Form T to your 1040.
Can I post 'No Hunting' signs on open MFL land?
No. Open-designation MFL land must allow public hunting during legal seasons, and you cannot post signs restricting that access [1]. You can post property-line markers and your name, but signs saying 'No Hunting' or 'Permission Required' violate the MFL contract and can result in penalties or removal from the program.
Does MFL land have to allow public access at night?
No. Public access on open MFL land is limited to daylight hours, defined as one-half hour before sunrise to one-half hour after sunset [1]. Trespassing at night is not allowed, and you can call law enforcement if someone is on your land outside those hours.
Can I convert my closed MFL land to open enrollment later?
Yes, but only at the end of your 25- or 50-year term when you renew [1]. You cannot switch mid-contract. If you no longer want to pay the closed fee and don't mind public access, you can convert to open at renewal and drop your annual fee from $20.30 to $1.80 per acre.
What happens if I don't harvest timber when my management plan says to?
Skipping a scheduled harvest without DNR approval is a plan violation. The DNR can issue a notice of non-compliance, require corrective action, and in serious cases remove your land from the program and assess the 20 percent withdrawal penalty [3]. Contact your county forester if you need to amend the plan or delay a harvest.
Can I enroll land in MFL if it has a mortgage?
Yes, but notify your lender. Some mortgage contracts require lender consent before you enter a long-term conservation or tax program [1]. The MFL contract is a covenant that runs with the land, and it can affect resale value and the lender's collateral position. Most lenders approve MFL because it increases cash flow and reduces default risk, but ask first.
How do timber sales affect my Social Security or Medicare if I'm retired?
Timber sale income reported as capital gain on Schedule D does not count as earned income and does not trigger self-employment tax, so it won't affect Social Security benefits or add to Medicare surcharges [5]. If you report it as business income on Schedule C, it may count as earned income and trigger additional tax and benefit calculations.
Can I graze livestock or grow crops on MFL land?
No. MFL land must be managed primarily for timber production [1]. Grazing, row crops, and other agricultural uses are not compatible with the program. You can harvest non-timber forest products like mushrooms, ginseng, or firewood for personal use, but commercial non-timber enterprises require DNR approval and may not be allowed.
What is the deadline to file the MFL yield tax after a timber sale?
You must file Form MFL-YT and pay the 5 percent yield tax within 30 days of the timber sale [4]. The sale date is the date you receive payment or the date the logger completes the cut, whichever is earlier. Late payment incurs interest and penalties. File online or mail the form to the DNR with a check.
Does MFL enrollment affect my property's resale value?
It can. Buyers who want to develop the land will discount the price by the 20 percent withdrawal penalty they'll have to pay [1]. Buyers who want hunting land with public access may not want open MFL, and those who want exclusive hunting may balk at the closed fee. Buyers who plan to continue forestry often value MFL enrollment positively because it locks in low taxes and provides a ready-made management plan.
Can I use an ATV or snowmobile on my open MFL land?
Yes, you can. The public can use open MFL land only for hunting, fishing, trapping, hiking, and cross-country skiing [1]. Motorized recreation like ATV, snowmobile, or mountain biking is not included in the public-access rights. You and your family can use ATVs for management activities, but the public cannot unless you give separate permission.
How are timber sales taxed if I inherited the land?
Your basis in inherited timber is the fair market value of the timber on the date of the previous owner's death, not what they originally paid [5]. Get a forester's appraisal of standing timber volume and value as of the inheritance date. When you sell timber later, subtract that stepped-up basis from the sale proceeds to calculate your capital gain. The 5 percent Wisconsin yield tax still applies [4].
Sources
- Wisconsin DNR, Managed Forest Law Overview: MFL requires 25- or 50-year contracts, open land allows public access, closed land does not, withdrawal penalty is 20% of FMV
- Wisconsin Department of Revenue, Managed Forest Land Acreage Share Fee Schedule: Open MFL fee is $1.80/acre, closed is $20.30/acre in 2024
- Wisconsin DNR, Managed Forest Law Landowner Guide (FR-107): MFL requires a certified management plan, 10-year planning horizon, harvest compliance, and DNR review; application forms and process
- Wisconsin Department of Revenue, Managed Forest Land Yield Tax Information: 5% yield tax on stumpage value due within 30 days of timber sale, filed on Form MFL-YT
- IRS Publication 544, Sales and Other Dispositions of Assets (2023): Timber sales qualify for capital gains treatment if held >1 year, reported on Form T and Schedule D; basis includes allocated land cost and reforestation expenses
- USDA Forest Service, What Is Forest Management?: Forest management is the practice of planning and implementing activities to maintain forest health, productivity, and multiple values over time