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Parking Income Calculator

Parking is ancillary income most operators under-monetize. This calculator sizes monthly gross, NOI, and the valuation lift at your cap rate — including EV charger surcharges that are becoming standard on refreshed assets.

Total parking stalls

Monthly rent per stall

Stall occupancy %

EV charger surcharge per month

Stalls with EV charging

Annual maintenance per stall

Stripe, lighting, signage

Cap rate to value at %

Monthly parking income

$2,006

Annual parking income

$24,077

Annual maintenance

$1,440

Parking NOI

$22,637

Valuation at target cap rate

$348,258

Value per stall

$14,511

How the math works

Parking is the most under-valued income stream at most multi-family and mixed-use properties. Dense urban submarkets get $150–$400 per stall per month; suburban garden-style gets $50–$100. EV charging adds $25–$75 surcharge per stall and is increasingly table stakes for new construction.

Operators routinely leave 20%+ of potential parking income on the table with under-priced or unassigned stalls. Re-striping, assigning numbered stalls, and charging separately (instead of bundling in rent) typically lifts parking revenue 30–80% in the first year. Valued at the property cap rate, that revenue uplift can add meaningful equity.

Editorial noteMaintained by EveryCalc - Reviewed June 2026

EveryCalc calculators are designed for fast, practical estimates with transparent inputs and no required account. We use plain formulas, visible assumptions, and related tools so visitors can check the result from more than one angle.

Results are informational only. For financial, tax, legal, medical, construction, or other high-impact decisions, verify the output against primary sources or a qualified professional.

Learn more about our review process on the EveryCalc methodology page.

How this calculator works

What this page estimates

This Parking Income Calculator is built to give a quick, browser-based estimate for parking income. Parking is ancillary income most operators under-monetize. This calculator sizes monthly gross, NOI, and the valuation lift at your cap rate — including EV charger surcharges that are becoming standard on refreshed assets. The inputs stay on the page during normal use, and the result should be treated as an estimate for planning, comparison, or education rather than professional advice.

Calculation approach

The calculator applies the standard relationship implied by the inputs, then formats the answer so it can be checked and reused. For finance tools, the most important step is using consistent units, rates, time periods, and assumptions before comparing the result with another calculator or outside quote.

Example workflow

For example, start with a realistic value you already know, change one input at a time, and watch how the answer moves. That makes it easier to tell whether the result is being driven by the main amount, the rate, the time period, or a unit conversion.

Practical checks

Use current, real-world numbers when the result affects money, health, tax, or legal decisions.
Run a low, base, and high case when the inputs are estimates.
Check the related calculators below when the next decision depends on a different assumption.

How to interpret the parking income result

Best use

Use the result as a planning number for comparing payments, rates, returns, tax reserves, or cash-flow choices before you request a quote or make a commitment.

Cross-check

Compare the answer with the contract, lender estimate, tax form, brokerage statement, payroll record, or invoice that will control the real-world outcome.

Watch for

Do not rely on a single optimistic rate, return, or fee assumption. Money pages work best when you run low, base, and high cases and keep professional advice separate from the estimate.

This page belongs to the Finance calculator library, so the answer should be read in the context of the decision you are modeling rather than as a universal rule.

Before relying on this parking income estimate

Most calculator mistakes come from the inputs, not the arithmetic. Use this short audit before you reuse the answer in a spreadsheet, quote, application, or important conversation.

Confirm source numbers

Match balances, rates, fees, taxes, income, and payment dates against the lender quote, payroll record, tax form, statement, invoice, or contract.

Separate cash flow from total cost

A lower monthly payment can still cost more over time if fees, interest, taxes, or a longer term are hidden in the structure.

Run conservative cases

Test at least one higher-cost or lower-return case before using the output for a purchase, refinance, investment, loan, or tax decision.

Rerun this page when the rate, price, term, fee, tax rule, income, expense, or expected holding period changes.

How to Use

Enter total parking stalls on the property.
Enter monthly rent charged per stall.
Set realistic occupancy (most garages run 80-90%).
Enter EV charger surcharge and number of EV stalls if applicable.
Enter annual maintenance per stall (striping, lighting, signage).
Enter the cap rate the property values at for the valuation lift.

Frequently Asked Questions

What's a realistic monthly stall rate?

Dense urban: $150-$400/month. Suburban garden-style multifamily: $50-$100. Transit-adjacent mixed-use: $100-$250. Covered or garage stalls get a 25-50% premium over open-lot stalls.

Can I add parking revenue if rent already includes it?

Yes, though it's a negotiation at renewal. 'Unbundling' parking from rent is legal in most markets and often lifts NOI even if face rent drops. San Francisco, Portland, and Minneapolis encourage unbundling to support transit-oriented development.

How much do EV chargers cost to install?

Level 2 chargers are $2,000-$7,000 installed (equipment + electrical + striping). DC fast chargers $40,000+ and usually aren't practical at residential. Utility incentives and federal tax credits offset 30-50% in many states.

Do parking fees go in NOI?

Yes — parking revenue is operating income, and is included in NOI and therefore in cap-rate-based valuation. Capital spent on parking improvements (striping, signage, EV install) is capex, not OpEx.