Before You Build in New Berlin, WI: Permit & Rule Checklist (2026)
Everything you need to know before starting a home improvement project
Building a fence, installing a pool, or adding a shed? Each project has its own set of local permits and rules in New Berlin. This guide consolidates fence, pool, ADU, shed, fire pit, and landscaping regulations into one checklist so you know what to expect before you start.
Quick Permit Checklist
At-a-glance overview of permit categories in New Berlin. Click any card for details.
Fences & Walls
2 rules on file
Swimming Pools
3 rules on file
ADUs & Granny Flats
1 rule on file
Sheds & Outbuildings
1 rule on file
Fire Pits & Outdoor Structures
1 rule on file
Landscaping & Tree Removal
No specific rules found
Fences & Walls
Some RestrictionsHeight limits, materials, permits, and shared fence rules.
Neighbor Fence Rules
Some RestrictionsWI Stat. §90.02 to 90.14 provides line fence cost-sharing for rural/agricultural land. Urban residential fences: each owner responsible for their own.
Height Limits
Some RestrictionsNew Berlin Municipal Code Chapter 275 (Zoning) allows fences as accessory uses in all districts. Residential front yard fences are capped at 50 inches; side and rear yard fences at 74 inches. Fences in the vision clearance triangle may not exceed 3 feet (36 inches) above mean street grade. Nonresidential fences may not exceed 98 inches. On corner lots the side facing the second street is treated as a front yard; on double-frontage lots the side facing the rear street is treated as a rear yard. No permit is required when these limits are met; permits (DCD or Plan Commission review) are required to exceed them.
Swimming Pools
Heavy RestrictionsPool permits, safety fencing, and drainage requirements.
Safety Rules
Heavy RestrictionsNew Berlin enforces pool safety requirements including anti-entrapment drain covers (VGB Act), barriers, and depth markers. WI Stat. §145.17 governs.
Pool Permits
Some RestrictionsNew Berlin requires building permits for pools, spas, and hot tubs. WI Uniform Dwelling Code governs. Inspections required.
Fencing Requirements
Heavy RestrictionsNew Berlin requires pool barriers to prevent unsupervised child access. Minimum 48-inch height. Self-closing, self-latching gates. WI Stat. §145.17.
ADUs & Granny Flats
Heavy RestrictionsAccessory dwelling unit rules and garage conversion permits.
ADU Rules
Heavy RestrictionsNew Berlin restricts accessory dwelling units (ADUs) under Chapter 275 (Zoning) of the Municipal Code, adopted by Common Council Ordinance No. 2489 on June 17, 2013, under the city's zoning authority in Wis. Stat. Sec. 62.23. The Code defines an 'accessory dwelling' narrowly as a second dwelling unit integrated with a business on the same lot, and accessory dwelling units / living quarters are not permitted within accessory buildings (detached garages, sheds, etc.). Detached, freestanding ADUs in residential districts are not a recognized permitted use. Property owners seeking a second dwelling must work through the Department of Community Development for a use determination, conditional use, or rezoning.
Sheds & Outbuildings
Some RestrictionsShed permits, setback limits, and outbuilding size rules.
Shed Rules
Some RestrictionsSheds in New Berlin are accessory buildings under Section 275-42 of the New Berlin Zoning Code. Sheds 144 square feet or less may be located only in the side or rear yard, must be a minimum of 5 feet from all property lines if in the rear yard, must meet the underlying zoning district setbacks if in the side yard, and must be placed on a concrete slab, patio block, asphalt, polycarbonate base, or pressure-treated wood floor. A minimum of 10 feet of separation is required between the shed and any other structure (5 feet with proper fire separation approved by the Building Inspector).
Fire Pits & Outdoor Structures
Some RestrictionsFire pit placement, outdoor burning restrictions, and permits.
Outdoor Burning
Some RestrictionsOutdoor burning regulated by WI DNR and local ordinance. New Berlin may prohibit most open burning. Garbage burning always illegal. DNR permits required in protection areas.
Landscaping & Tree Removal
Tree removal permits, heritage tree protections, and water rules.
No specific landscaping & tree removal rules found for New Berlin. Check with your local building department for current requirements.
General Permit Tips
When do you typically need a permit?
Most cities require permits for structural work, including fences over a certain height, pools, ADUs, and sheds above a size threshold. Even projects that seem minor can trigger permit requirements, so it is always best to check first.
How to apply for a building permit
Visit your local building department or their website. Most jurisdictions accept online applications. You will typically need a site plan, project description, and may need contractor information. Processing times vary from same-day for simple projects to several weeks for larger builds.
Common permit violations to avoid
Building without a permit, exceeding approved dimensions, and ignoring setback requirements are the most common violations. Penalties can include fines, required removal of the structure, and complications when selling your home.
Permit Guides for Nearby Cities
Looking for rules beyond permits? View all ordinances we track for New Berlin.