The CapEx Planning Framework Every Owner Needs

A roof doesn't fail on a Tuesday because it decided to. It fails because someone ignored it for seven years.

The most expensive thing in real estate isn't a bad deal. It's a good deal that bleeds out because the owner never planned for capital expenditures. They bought the building, cashed the rent checks, and acted surprised when the boiler died, the parking lot crumbled, and the roof started leaking all in the same year.

That's not bad luck. That's bad planning.

Here's the capital expenditure planning framework we use with every owner we work with. It's not complex. It's a calendar with dollar signs. But it's the difference between a building that builds wealth and a building that eats it.

What Counts as CapEx

Let's define terms. Capital expenditures are major, non-recurring expenses that extend the useful life of the property or add significant value. They're distinct from operating expenses (the recurring stuff: landscaping, snow removal, pest control, routine maintenance).

The IRS and your accountant will have specific opinions about what gets capitalized versus expensed. For planning purposes, we draw the line at roughly $2,500 per item and a useful life of more than one year.

Common CapEx items in multifamily:

Roof replacement or major repair

HVAC system replacement

Boiler/water heater replacement

Parking lot resurfacing or replacement

Siding replacement

Window replacement

Electrical panel upgrades

Plumbing overhauls (repiping)

Common area renovations

Unit renovations (cabinets, countertops, flooring, fixtures)

Appliance replacement (building-wide)

Foundation repair

Fire safety system upgrades

The Useful Life Table

Every major building system has a predictable useful life. Not exact, but close enough to plan around. Here's the table we use, based on industry data adjusted for Midwest climate:

| System | Useful Life | Estimated Cost (10-20 unit building) | |--------|------------|--------------------------------------| | Asphalt shingle roof | 20-25 years | $15,000-$40,000 | | Flat/TPO roof | 15-20 years | $20,000-$50,000 | | Furnace/forced air | 15-20 years | $3,500-$6,000 per unit | | Central AC condenser | 12-15 years | $3,000-$5,000 per unit | | Boiler (hot water heat) | 20-30 years | $15,000-$35,000 | | Water heater (tank) | 8-12 years | $1,200-$2,500 each | | Parking lot (asphalt) | 15-20 years | $3-$5 per SF | | Siding (vinyl) | 20-30 years | $8,000-$25,000 | | Windows | 20-30 years | $400-$800 per window | | Appliances | 8-12 years | $1,500-$2,500 per unit set | | Carpet | 5-7 years | $800-$1,500 per unit | | Interior paint | 3-5 years (per turn) | $400-$800 per unit |

These numbers aren't precise to the penny. They don't need to be. They need to be close enough that you're not blindsided when the bill comes.

Step 1: The Building Assessment

You can't plan for what you don't know about. The first step is a thorough assessment of every major system in the building. When it was installed, what condition it's in, and how much life it has left.

We do this on every property we take over and update it annually. Here's what the assessment captures:

System identification: What is it, what brand, what model?

Install date: When was it put in? If no one knows, we estimate based on the building age and visible condition.

Current condition: Good, fair, poor, or end-of-life.

Estimated remaining life: How many more years before replacement?

Estimated replacement cost: What will it cost in today's dollars?

This assessment lives in a spreadsheet that becomes the backbone of the capital plan. Every owner gets a copy. Every owner should understand what it says.

Step 2: The 5-Year Capital Plan

Once you know what you have and how old it is, you can project what's coming. We build a 5-year rolling capital plan that maps anticipated expenditures by year.

Here's a simplified example for a 12-unit building built in 1985:

Year 1 (2026):

Water heater replacement (2 units): $4,000

Parking lot sealcoat and crack fill: $3,200

Unit renovations on turnover (est. 3 units): $9,000

Total: $16,200

Year 2 (2027):

Roof repair (section over units 8-12): $8,500

HVAC replacement (3 units approaching end of life): $13,500

Unit renovations on turnover (est. 3 units): $9,000

Total: $31,000

Year 3 (2028):

Parking lot resurfacing (full): $18,000

Water heater replacement (3 units): $6,000

Unit renovations on turnover (est. 2 units): $6,000

Total: $30,000

Year 4 (2029):

Window replacement (building-wide, phased): $14,000

Boiler inspection and potential rebuild: $5,000

Unit renovations on turnover (est. 3 units): $9,000

Total: $28,000

Year 5 (2030):

Siding repair/replacement (north and west faces): $12,000

Electrical panel upgrade: $8,000

Unit renovations on turnover (est. 2 units): $6,000

Total: $26,000

5-Year Total: $131,200 or roughly $26,240/year.

On a 12-unit building generating $158,400/year in gross rent (average $1,100/unit), that's about 16.5% of gross revenue allocated to capital improvements. That's within the normal range for a 40-year-old building.

Step 3: The Reserve Funding Strategy

Knowing what's coming is half the battle. Funding it is the other half.

We recommend owners maintain a capital reserve account funded monthly from operating cash flow. The target balance depends on the building's age and condition, but a reasonable starting point is $250-$400 per unit per year for buildings in good condition and $500-$750 per unit per year for older buildings with deferred maintenance.

For our 12-unit example, that's $6,000-$9,000/year flowing into a reserve account. That won't cover the $31,000 year in full, but combined with operating cash flow from that year, it keeps you out of the emergency financing trap.

The emergency financing trap is what happens when an owner has no reserves and the boiler dies in January. They put $18,000 on a credit card at 22% interest, or take a hard money loan, or defer the repair and lose tenants. All three options are more expensive than setting aside $500/month into a savings account.

Step 4: The Decision Framework

Not every aging system needs immediate replacement. Some can be maintained and extended. The decision framework we use has three factors:

1. Safety and habitability. If the system failure creates a safety hazard or makes the unit uninhabitable, it gets replaced. Period. No cost-benefit analysis needed.

2. Repair vs. replace math. Our rule of thumb: if a repair costs more than 40% of replacement and the system is past 75% of its useful life, replace it. Repairing a 19-year-old furnace for $1,800 when a new one costs $4,500 is throwing money away.

3. Value creation opportunity. Some CapEx is defensive (keeping the building functional). Some is offensive (increasing rents or reducing operating costs). A $6,000 unit renovation-renovation) that allows a $150/month rent increase pays for itself in 40 months. That's good capital deployment. A $6,000 repair to a parking lot that doesn't change anything about revenue is necessary but not value-creating. Both matter, but they belong in different mental categories.

What Happens When You Don't Plan

We took over a 16-unit building last year where the previous management had done zero capital planning. No reserves. No assessment. No plan.

In the first 90 days, we identified:

A roof that needed replacement within 12 months ($28,000)

Four HVAC systems past end of life ($18,000)

A parking lot with structural failure, not just surface wear ($22,000)

Common area electrical that wasn't up to code ($6,500)

That's $74,500 in capital needs that the owner didn't know about when they were collecting rent checks and thinking the building was "fine." The building wasn't fine. It was depreciating faster than they were extracting income.

Had those items been identified and funded over the previous five years, the owner would have needed about $15,000/year in reserves. Instead, they're facing a $74,500 bill all at once.

Build the Plan. Fund the Plan. Follow the Plan.

Capital planning isn't exciting. Nobody buys a building because they're thrilled about projecting water heater replacements. But it's the infrastructure that separates owners who build wealth from owners who get surprised.

Every building is aging. Every system has a clock. The only question is whether you're watching the clock or ignoring it.

If you own rental properties and you're not sure they're hitting their ceiling, let's talk. Reach out at Tanner@TopTierInvestmentFirm.com.

Tanner Sherman is the Principal and Managing Broker of Top Tier Investment Firm in Omaha, Nebraska. He co-hosts the Freedom Fighter Podcast with Ryan of Avara Investments.

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