Things to Buy for a New House: The Complete First-Time Homeowner Checklist
You've closed on your home. Now what do you actually need to buy?
After spending months focused on down payments, inspections, and closing costs, most first-time homeowners hit move-in day and realize they have no idea what a house requires that an apartment doesn't. The list is longer than expected and the costs add up fast — unless you approach it with a plan.
This checklist separates what you genuinely need on day one from what can wait, and what's worth investing in vs. what's fine to buy cheap. It also covers the category most new homeowners forget entirely: the tools and maintenance supplies your house will eventually need from you.
The Priority Framework: Day 1 vs. First Month vs. Eventually
Not everything on a new home shopping list is equally urgent. The framework:
Day 1 essentials: You genuinely cannot function in the house without these. Buy before or immediately on move-in day.
First month: Adds comfort, organization, or safety. Get these in the first 4 weeks.
Eventually: Useful items that can wait until you understand how you actually use the house.
This matters because new homeowners routinely overspend on things they bought impulsively in the first two weeks and end up short on cash when the unexpected first repair hits.
Day 1 Essentials
Safety First
New locks or re-keyed locks This is non-negotiable. You have no idea how many copies of the previous owner's keys exist — neighbors, contractors, relatives, former housesitters. Either hire a locksmith to rekey all exterior locks (typically $20–$50 per lock) or replace them entirely. Do this before your first night in the house.
Smoke detectors Check that existing smoke detectors work (press the test button) and replace batteries if the house came with detectors. If the home has no interconnected detectors or they're more than 10 years old (check the manufacture date on the back), replace them. Install at least one per level, inside each bedroom, and outside sleeping areas.
Carbon monoxide detector Required by law in many US states for homes with gas appliances, fuel-burning heating, or attached garages. If the house doesn't have one, buy at least one unit. Combination smoke/CO detectors are efficient.
Fire extinguisher At minimum, one ABC-type extinguisher in the kitchen. Mount it where you can reach it — not buried in a cabinet.
Basic Function
Toilet paper and paper towels Obvious, but easy to forget when you're focused on furniture.
Cleaning supplies The house will need a clean before you get fully settled. Basics: all-purpose cleaner, dish soap, sponge/scrubber, toilet bowl cleaner, mop or Swiffer for hard floors, vacuum or broom.
A basic toolkit (see the Tools section below)
Light bulbs Walk through the house before move-in and note which fixtures are missing bulbs. Bring a bag of LEDs.
Extension cords and power strips Older homes often have fewer outlets than modern life requires. Have a few heavy-duty power strips with surge protection ready.
Kitchen Essentials (First Month)
Appliances
Microwave: If the house doesn't include one and there's no range hood with built-in microwave, this is a first-month purchase.
Refrigerator water filter: If the fridge has a water/ice dispenser, check when the filter was last changed. Typically every 6 months.
Coffee maker / kettle: Depending on your habits — but you'll want it day one.
Cookware and Basics
New homeowners often discover they were relying heavily on the limited counter space and borrowed equipment of apartment life. Assess what you actually have vs. what you assumed:
- A good chef's knife and cutting board (these matter more than expensive pots)
- A 10-inch skillet and a medium saucepan
- A sheet pan and a 9x13 baking dish
- Mixing bowls, measuring cups, and measuring spoons
- Dish drying rack (or confirm dishwasher is functional)
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Cleaning and Maintenance Supplies (First Month)
Unlike an apartment where the building handles most maintenance, you are now the maintenance department. Stock these before you need them:
Plunger: Have both a cup plunger (for sinks) and a flange plunger (for toilets). Own both.
Drain snake (drain auger): For clogs that a plunger can't clear. A $25 manual snake handles most hairball clogs without calling a plumber.
Wet/dry shop vacuum: Invaluable for garage, basement, and any future water issues. This is an eventually purchase for most people, but worth having before you need it.
HVAC filters: Find out your HVAC system's filter size (written on the existing filter's edge) and buy a 6–12 month supply. Most filters should be changed every 1–3 months depending on filter type and household. Set a recurring calendar reminder.
Flashlight and batteries: For the inevitable moment the breaker trips at night.
Bathroom Basics (Day 1 to First Month)
Toilet seat replacement (optional but recommended): A $25 toilet seat is cheap peace of mind after move-in.
Shower curtain and liner (if applicable)
Towel hooks or bars: If the bathrooms don't have adequate towel hanging, this is an inexpensive early fix.
Plunger: One per bathroom with a toilet.
Bedroom and Sleep
One of the biggest first-homeowner expenses if you're moving from a furnished apartment or furnished rental is furniture. Prioritize sleep and don't let everything else distract from it:
Bed frame and mattress: If you need to buy, prioritize this above other furniture. Poor sleep sabotages the entire move-in process.
Blackout curtains or blinds: Rentals often have built-in blinds. New homes may have bare windows. Measure before move-in day.
Bedroom door lock (optional): If you have or will have children, or if you work from home and need genuine privacy.
Tools: The Non-Negotiable Starter Kit
Most first-time homeowners own a handful of tools from apartment life. A house requires more. Here is the starter kit that covers 90% of early homeowner tasks:
Power drill/driver: The single most useful tool a homeowner can own. Buy a reputable brand (DeWalt, Milwaukee, Ryobi) with at least two batteries. Cheaper drills die early.
Hammer
Flathead and Phillips screwdrivers (or a multi-bit set)
Tape measure: Keep this in a kitchen drawer. You'll reach for it constantly — furniture placement, curtain rod height, appliance sizing.
Utility knife / box cutter
Stud finder: Required for hanging anything heavy on walls.
Level: For shelving, curtain rods, picture galleries, and mounted TVs.
Pliers (slip-joint and needle-nose)
Adjustable wrench
Duct tape and electrical tape
Caulk gun and tube of clear silicone caulk: You'll need this faster than you think. Bathroom sinks, shower surrounds, window gaps.
Ladder (6-foot step ladder): Don't buy until you know the ceiling heights you're working with, but within the first month, a 6-foot step ladder is essential.
Total investment for the full starter kit: $200–$400 buying mid-range brands, or less if you accept entry-level options. This will serve you for years.
Outdoor and Garage (First Month to Eventually)
If your home has a yard, you'll need:
Lawn mower: Unless you're immediately hiring a service. A basic push mower handles most lots under 1/3 acre. Battery-powered mowers have improved dramatically and eliminate the fuel/carburetor maintenance headache.
Garden hose and adjustable nozzle
Shovel and rake
Wheelbarrow (eventually)
Deicer or snow shovel: If you're in a cold climate, have this before the first snow.
The Items Most First-Time Homeowners Forget
Doormats (inside and outside): Dirt management starts at the door.
Spare keys: Cut at least 3 spare keys on move-in day. Hide one externally (combination lock box, not "under the mat"), give one to a trusted neighbor, keep one in your car.
Label maker: Optional, but genuinely useful for labeling breaker switches. Most homes have partially labeled or completely unlabeled circuit breaker panels. Map and label yours in the first week.
Breaker map: Spend 30 minutes with someone in each room confirming which breaker controls which outlet. Write it on the breaker panel door. Future-you will thank current-you repeatedly.
Emergency kit: A basic emergency kit — first aid supplies, flashlights, bottled water, a battery-powered radio or phone charging bank — belongs in every home. Most first-time homeowners don't bother until they need it.
Budgeting for Move-In Costs
First-time homeowners routinely underestimate move-in costs. A realistic budget breakdown for a 3-bedroom home that needs typical furnishing:
| Category | Budget Range |
|---|---|
| Safety essentials (locks, detectors, extinguisher) | $200–$400 |
| Basic tools and supplies | $300–$500 |
| Kitchen basics | $300–$800 |
| Cleaning and maintenance supplies | $150–$300 |
| Window treatments (curtains/blinds) | $200–$600 |
| Bedroom (if buying mattress/bed) | $1,000–$3,000 |
| Outdoor basics | $200–$600 |
| Miscellaneous and forgotten items | $300–$600 |
| Total estimate | $2,650–$6,800 |
This is before major furniture pieces. Plan for these costs before you close — not as a surprise after.
The System Behind Your Checklist
Once you've settled in, the homebuying process is done — but the homeownership process is just starting. Understanding the systems in your home (HVAC, plumbing, electrical panel, water shutoffs) and maintaining them proactively is what separates homeowners who are pleasantly surprised by their first year from those who are overwhelmed by it.
The Complete First-Time Homebuyer Checklist at firsthometoolkit.com/homebuyer-checklist/ includes a move-in day checklist, a first-year maintenance calendar, and a "know your home systems" reference so you can locate every shutoff valve and understand every major system before something goes wrong.
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Buying the house is the beginning. Having a plan for the first year is what makes the investment worth it.
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