Practical guides for homeowners in Duluth, MN, Superior, WI and nearby towns: decks, retaining walls, bathrooms, kitchens, basements, hot tubs and pools, and the repairs in between, with local permit rules, frost-depth facts and cost ranges.
Updated by Twin Ports Contracting & Repair, Duluth, MN
Repairs and maintenance
Who issues permits in Moose Lake, the townships and the nearby towns, what the city's own list covers, and how county zoning changes the rules outside city limits.
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Read the guide →Repairs and maintenance
Where roof water should go on a steep Duluth lot or a flat Superior clay lot, when a gutter is worth repairing, and which gutter work needs no permit.
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Read the guide →Repairs and maintenance
A step-by-step way to find out why a door rubs or won't latch, the fixes you can try in an afternoon, and when a new prehung door beats another adjustment.
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Read the guide →Repairs and maintenance
When an insert window is enough in an old Duluth or Superior house, when the whole frame has to go, and the egress, permit and lead rules that come with either.
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Read the guide →Repairs and maintenance
How to trace a spring ceiling stain to an ice dam, a pipe or a bath fan, when wet drywall can stay, and how primer and texture make the repair disappear.
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Read the guide →Repairs and maintenance
A fall and spring checklist for a seasonal place on the shore, what lake weather wears out first, and which office issues permits from French River to Two Harbors.
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Read the guide →Repairs and maintenance
Which paid jobs in a pre-1978 house fall under the lead-safe rules in Minnesota and Wisconsin, what containment and cleanup look like, and the questions to ask before anyone scrapes.
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Read the guide →Repairs and maintenance
The tools, compound and sandpaper each kind of wall damage needs, whether repair kits work, and the signs a patch has outgrown a weekend project.
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Read the guide →Repairs and maintenance
Storm damage versus wear and tear for siding, gutters, fences, garage doors and windows, plus deductibles, claims history and what to do after a storm in Duluth or Superior.
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Read the guide →Repairs and maintenance
Which wallpaper peels off dry, when scoring helps, what to soak it with, when a steamer earns its rental, and how to keep the wall underneath intact.
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Read the guide →Repairs and maintenance
Why an older popcorn ceiling gets tested before anyone scrapes it, who may remove it in Minnesota or Wisconsin if the test is positive, and how removal works when it's clear.
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Read the guide →Repairs and maintenance
What the flooring makers actually say about acclimation, expansion gaps, heavy furniture and cold rooms, and what to do in the first days after a click floor goes down.
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Read the guide →Repairs and maintenance
Straight answers on openers: which drive suits a Northland garage, what the beeps mean, outlet rules, the monthly reversing test, and when a spring specialist takes over.
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Read the guide →Repairs and maintenance
Whether crown molding still suits your house, which profile and material to pick, the angles and coping that make corners tight, and how to paint it.
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Read the guide →Repairs and maintenance
Plaster or drywall, finding studs behind lath, drilling without cracking the wall, and which fastener each wall type needs, brick chimneys included.
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Read the guide →Repairs and maintenance
Cracks, bulges and water stains in old plaster walls: how to tell what you have, what each problem means, and when a repair beats tearing it out.
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Read the guide →Repairs and maintenance
What to check before you swap a ceiling light for a fan: the box, the fan's weight, blade height, the wall switch, and when the job turns into new wiring.
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Read the guide →Repairs and maintenance
Eight things to check before the first hard freeze, how to check each one yourself, and what the fix looks like when something fails.
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Read the guide →Permits and codes
Fence permit triggers for eight Twin Ports jurisdictions side by side, from Duluth's 4-foot rule to Hermantown's every-fence permit, with post depth for frost.
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Read the guide →Permits and codes
A town-by-town table of when a storage shed needs a permit in the Twin Ports, from Superior's 64 square feet to Duluth's 200, with setbacks and anchoring.
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Read the guide →Permits and codes
What Duluth lets a homeowner do, which bathroom, basement, fence and addition jobs are realistic weekend projects, and where DIY mistakes get expensive.
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Read the guide →Permits and codes
The handrail and guard rules for Minnesota and Wisconsin homes side by side, what they mean on a real stair, and how to mount a rail that holds.
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Read the guide →Permits and codes
What Minnesota and Wisconsin fence law actually says, why it rarely fits a city lot, and how Duluth and Superior neighbors sort out a shared fence or retaining wall.
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Read the guide →Permits and codes
A side-by-side table of the permit rules for 17 common home projects in Duluth and Superior, each checked against the city's own pages.
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Read the guide →Basements and additions
The egress window numbers for a basement bedroom on both sides of the bridge, how the well and ladder work, and the permit and septic steps that come first.
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Read the guide →Basements and additions
Why Superior's red clay keeps basements damp and lifts front steps, which fixes are drainage and carpentry, which need a waterproofing or foundation specialist, and what the city permits.
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Read the guide →Basements and additions
A side-by-side look at the three ways to get more room in Duluth or Superior: what each costs per square foot, how long it takes, what the city asks for and how appraisers count it.
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Read the guide →Basements and additions
Five checks to make before the first stud goes up in a Duluth basement: water, radon, headroom, egress and how the walls meet cold concrete.
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Read the guide →Retaining walls
Footings, gravel bases, weep holes, geogrid versus rebar and the main wall types, explained for a homeowner planning a wall on a Northland slope.
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Read the guide →Retaining walls
When two or three short walls beat one tall one, how far apart the tiers need to be, and how to drain and plant a terraced Duluth hillside.
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Read the guide →Retaining walls
Water, frost, a weak base, rotting timber, too much height and heavy loads above: the six things that bring retaining walls down, and how to tell which one you have.
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Read the guide →Bathrooms and remodeling
Home equity, FHA 203(k), Title I and Minnesota's Fix Up Loan, plus what Medicare, Medicaid waivers, Family Care and the VA will and won't pay for when a bathroom needs to be safer.
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Read the guide →Bathrooms and remodeling
The measurements that decide which toilet or faucet fits, when a repair kit beats a new fixture, and what Duluth and Superior require before the old one comes out.
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Read the guide →Bathrooms and remodeling
What kitchens, bathrooms, basements, decks and doors return at resale according to two national 2025 surveys, and how to use those numbers on a Duluth or Superior house.
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Read the guide →Bathrooms and remodeling
Where grab bars go and how high, when a walk-in shower is worth it, and the small upgrades that make a Northland bathroom safer to use for years to come.
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Read the guide →Bathrooms and remodeling
Plaster and lath, galvanized pipes, cast-iron drains, old wiring and crooked framing: what's behind the walls of an older Duluth bathroom, and how to budget for it.
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Read the guide →Bathrooms and remodeling
Every step of turning a bathtub into a walk-in shower, from the drain move to the glass, plus how long it takes, what it costs nationally and which Duluth permits apply.
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Read the guide →Hot tubs and pools
Where an above-ground pool should go, why the ground gets cut down rather than built up, what goes under the liner, and how the pump gets safe power.
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Read the guide →Hot tubs and pools
Everything to settle before a new hot tub rolls into your yard: the spot, the delivery path, the base, the circuit and permit, and room for the cover and steps.
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Read the guide →Hot tubs and pools
Keep it running or drain it, what to do when the power goes out in a cold snap, how to treat the cover under snow, and how to spot freeze damage in spring.
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Read the guide →Hot tubs and pools
The fall closing, step by step, for above-ground pools in Duluth and Superior, including why Doughboy and Bestway keep water in their pools over winter while Intex takes its Easy Set pools down.
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Read the guide →Kitchens
Many cabinet problems start with the order, not the install. How to measure an older Northland kitchen, choose a cabinet grade, plan fillers and clearances, and check the boxes on delivery day.
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Read the guide →Kitchens
Every kitchen remodel follows roughly the same sequence. Here's the order, the waits built into it, and which steps need a permit in Duluth and Superior.
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Read the guide →Decks and outdoor projects
How the three common decking materials handle Northland freeze-thaw, snow and summer sun, what each asks of you in upkeep, and why composite changes the framing plan.
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Read the guide →Decks and outdoor projects
Why the ground lifts your deck, fence and steps every winter, how deep footings have to go in Minnesota and Wisconsin, and what actually fixes heave damage.
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Read the guide →Decks and outdoor projects
A walk-around for your deck before the snow flies: what to check, how to shovel it without damage, and which repairs can't wait until spring.
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Read the guide →Decks and outdoor projects
Replacing worn boards and rebuilding a deck are different projects. Clarify what can stay, what needs assessment and what the quote includes.
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Read the guide →Project planning
Turn a collection of small repairs into a clear scope: priorities, photos, materials, access and the finished result you want.
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Read the guide →Doors and windows
A dragging panel, a latch problem and a damaged opening need different decisions. Use this checklist before buying a replacement patio door.
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Read the guide →Hiring and credentials
What Minnesota and Wisconsin each require for handyman and contractor work, which jobs need a licensed trade, and what to ask about insurance and permits before you hire.
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Read the guide →Costs and budgeting
Understand service fees, planning ranges and the factors that change a repair quote in Duluth, Superior and nearby communities.
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Read the guide →Twin Ports Contracting & Repair writes these guides for Lake Superior homes: 5-foot frost depth in Minnesota and 48 inches in Wisconsin, hillside lots, older plaster walls and a short building season. Permit rules are checked against the City of Duluth and City of Superior pages and linked in each article. Cost figures are either our own planning ranges or national ranges with the source named, and every article shows its publication date.
Your house and your city’s building office have the final word, so send your address and project list, and your flat written quote will say what applies.
Articles explain planning decisions. For the work itself, see our service guides, such as deck building, kitchen remodeling and bathroom remodeling, and the matching deck and kitchen remodel cost guides. For your location, start with the Duluth and Superior pages, then the Minnesota and Wisconsin town guides. Common questions and how we work cover the next steps.
