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Published January 15, 2026 by Reserve Home Pros
Most homeowners operate on a reactive model: something breaks, they call someone, they pay whatever the emergency rate is. The Home Key maintenance score replaces that cycle with a proactive system that identifies issues before they escalate. Our 20-question checklist covers five categories that account for over 90% of deferred maintenance costs in residential properties. Whether you live in the Chicago suburbs or Greater Austin, TX, the fundamentals of home maintenance are the same.
The score you receive is based on real inspection criteria used by licensed contractors and insurance adjusters. Each question maps to a specific maintenance item with a known failure cost. A score of 80 or above means your home is well-maintained. Below 60 means you are carrying meaningful deferred maintenance that will cost more to address the longer it waits. You can view our how it works page for more detail on the inspection process, or explore our pricing plans to understand how Home Key membership saves on labor costs over time.
Home Key was built by Reserve Home Pros, a veteran-owned residential remodeling and repair company. We designed this tool because we saw the same pattern on every first visit: homeowners did not know what was deferred, what it would cost, or what to prioritize. The free checklist solves the visibility problem. The membership plans solve the cost problem by bundling labor hours and eliminating site-visit fees. For homeowners who want to handle things themselves, the Buddy estimator gives you material and labor cost estimates for any project on your list so you always know the number before you make a call.
Take the free checklist below. It takes 60 seconds, requires no signup, and gives you a score you can share and track over time. If you want to see what other homeowners are finding, browse our completed projects gallery for examples of maintenance and remodeling work across both service markets.
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Background reading on what we measure, why it matters, and what gets missed each season.
What It Measures
A home maintenance score is a 0–100 rating that tells you exactly where your home stands across five essential categories: Safety, HVAC, Water, Structure, and Seasonal upkeep. The score is calculated from 20 diagnostic questions — each one targeting a real maintenance item that inspectors, insurance adjusters, and buyers examine when they evaluate a property. You can also explore our full service catalog to see what a professional maintenance visit covers.
Most homeowners are carrying $1,200 or more in deferred maintenance they do not know about. This is not a guess — it is the average finding from first-visit professional home inspections. The problem is not that the issues exist. The problem is that they stay invisible until the worst possible moment: a real estate transaction, an insurance claim, or a sudden system failure.
When deferred maintenance surfaces during a home sale, it costs 2–3 times more to address than it would have through routine upkeep. Sellers either accept steep concessions, agree to rushed repairs on a buyer's timeline, or watch deals fall apart at inspection. A home maintenance score gives you visibility before any of that happens — so you can decide what to fix, when, and on your own terms. See how our team works or browse completed projects to understand what proactive maintenance looks like in practice.
The Five Categories
The free home maintenance checklist covers the five areas that account for the vast majority of deferred maintenance costs. Each category scores independently so you can see exactly where your home is strong and where it is falling behind.
Smoke detectors on every floor, carbon monoxide detectors near sleeping areas, GFCI outlets in kitchens and bathrooms, secure handrails on all stairways, and a working fire extinguisher in the kitchen. These are the items that fail inspections and void insurance policies when they are missing or out of date.
Air filter replacement schedule, annual A/C tune-up, furnace age and last service date, and duct integrity. An HVAC system that has not been serviced in over two years is one of the most common sources of deferred maintenance cost — replacement units run $4,000–$12,000 depending on home size.
Water heater age and anode rod status, visible leaks under sinks and at supply lines, water softener maintenance, and gutter condition. Water damage is the leading cause of homeowner insurance claims. Early detection of a slow drip or failing water heater prevents the kind of damage that runs into five figures.
Window and door seal integrity, exterior caulk condition around frames and penetrations, siding or brick mortar gaps, and roof age relative to expected lifespan. Structural failures typically start small — a failed caulk joint or worn roof flashing — and grow into major repairs when ignored through multiple seasons.
Weatherstripping condition on exterior doors, deck sealing and board integrity, attic insulation R-value for your climate zone, and pipe insulation in unconditioned spaces. Seasonal maintenance is the category most homeowners skip — and the one that compounds fastest when deferred across two or three years.
By Season
A complete home maintenance checklist follows the calendar because your home faces different stress in each season. Here is what homeowners in our service areas — the Chicago suburbs and Greater Austin, TX — consistently skip, and why it matters.
Spring is A/C season. In Arlington Heights, Palatine, and Northbrook, the swing from winter to summer temperatures can be dramatic enough to stress a system that sat idle for months. A tune-up before the first hot week costs $80–$120. An emergency replacement in July costs significantly more. Spring is also the window to inspect exterior paint and caulk for winter damage — moisture that got in during freeze-thaw cycles will not wait another season before causing rot.
In Greater Austin — Round Rock, Cedar Park, Georgetown — spring arrives earlier, which means the A/C window opens in March. The same logic applies: servicing the system before peak demand is the cheapest maintenance you can do.
Deck sealing and irrigation are the two tasks most often skipped in summer because homeowners are busy using their outdoor spaces, not inspecting them. An unsealed deck in a climate with significant precipitation — like the northern Chicago suburbs from South Holland through Round Lake — loses structural integrity years faster than one that gets annual attention. Cracked boards and failing ledger connections are the kind of deferred maintenance that turns a $300 sealing job into a $4,000 deck rebuild.
Irrigation heads should be checked for coverage and efficiency. A broken head running on a timer is running up your water bill and potentially eroding your foundation grade every time the zone runs.
Furnace tune-up and gutter cleaning are the two most critical fall tasks for homeowners in the Chicago area — Des Plaines, South Holland, Palatine, and the rest of Chicagoland. A furnace that has not been serviced since installation will not fail on a comfortable October afternoon. It will fail on the first genuinely cold night in November, after business hours, when emergency service rates apply. Annual furnace maintenance is the most cost-effective insurance policy in home ownership.
Gutters clogged with fall leaves do not just overflow — they hold water against fascia, soffit, and eventually the roof deck. In climates with hard freezes, that moisture becomes ice, and ice causes damage at the roofline that is expensive to repair and easy to prevent.
Weatherstripping and pipe insulation are the two deferred items that Chicago-area homeowners are most likely to notice only when they fail. Failed weatherstripping on exterior doors adds meaningfully to heating bills every month it goes unaddressed. In older homes throughout Northbrook, Round Lake, and Des Plaines, the savings from a single door being properly sealed can pay for the repair inside one heating season.
Pipe insulation in unconditioned spaces — garages, crawlspaces, exterior wall runs — is the difference between a normal winter and a burst pipe at 2 AM. Burst pipes in unoccupied spaces can run for hours before detection, and the water damage cost typically starts at $10,000.
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