Waterfall Boot Strategy

The Waterfall Boot Strategy Calculator

Structure the boot so it arrives as fast as your depreciation can absorb it. This runs a sale five ways, year by year, through the passive loss rules, the §1245 and §1250 layers, and a separate California return, and shows when the idea is genius and when it does nothing.

The idea in one line: gain from selling a rental is passive income. Depreciation from real estate you own (or buy) is a passive loss. If the note pays out on the same schedule your losses show up, the losses get used, even when your salary is too high to use them any other way. When the losses would have sat unused on Form 8582, that is real money. When you already have passive income soaking them up, or your rentals are already nonpassive, it changes almost nothing. The calculator tells you which case you are in.

The tool is an installment sale (Section 453). There are two clean ways to make one: carry the buyer's note yourself (seller financing), or use a structured installment sale, where the buyer pays in full at closing and you are paid over time by an assignment company, usually funded by a fixed annuity it owns from a highly rated life insurer; some programs use a funding agreement instead (a different kind of contract issued by a highly rated life insurer). The §453 tax math is the same either way; this calculator models fixed, level payments. You can do all of it with seller financing, and Hans would earn nothing.

Who it is for

Selling a rental with a real gain, mostly capital gain and straight-line §1250, not a big cost-seg §1245 pile.
Passive losses with nowhere to go: a Form 8582 carryforward, LP or syndication K-1s that throw off losses, rentals that run at a paper loss, and income over $150k, so the $25,000 allowance is gone.
Losses that keep coming for years: new LP deals each year, a leveraged replacement with cost segregation, a look-back study. That is what the note gets timed to.
High earners outside real estate: doctors, business owners, executives, retirees with a rental portfolio run by a property manager.
Licensed agents and brokers whose rentals are still passive: part-timers with another job, or full-time brokers who use a property manager. A license alone changes nothing.
Sellers who want out of management and would rather have scheduled payments than a replacement property.

Who it is not for

Real estate professionals who materially participate in their rentals. Both tests are needed: 750+ hours and over half their working time in real estate (one spouse must pass alone), plus roughly 500 hours in the rentals (a spouse's hours count). Their rental losses already offset everything, and their sale gain cannot absorb passive LP losses.
Investors whose LP K-1s already net passive income. Their losses are being used every year. Nothing is stranded.
Anyone with no passive losses at all and no plan to add any. The note still spreads the gain across brackets, but there is no waterfall.
A 1031 into an all-cash replacement with no new debt. No excess basis means no cost segregation and no bonus, so there is almost no new shelter.
Heavy §1245 recapture from past cost segregation. It is due in year one whatever the note says.
Sellers in their late 70s or older planning to pass the property on. A note gets no step-up at death; real estate held until death does.
Anyone who needs the lump sum. A structured note cannot be cashed out early.

1. The sale Sale price Selling costs % What you paid + improvements Depreciation taken: §1245 (cost seg, 5/7/15-yr) Depreciation taken: §1250 (building, straight line) Loan paid off at closing This property's own suspended losses Land share of what you paid % Years it was depreciated Type

2. You Filing State Other ordinary income per year (wages, business, pensions) Real estate professional who materially participates (§469(c)(7)) That income is self-employment / business income (for the §461(l) cap) Pro who also clears 500 hours in the rental (NIIT safe harbor, Reg. §1.1411-4(g)(7)) Age Spouse age (joint) Years to show Your cash earns (reinvested) %

3. The waterfall you already have

Other rentals and LP K-1s you keep. Leave at zero if everything else you own is personal use.

Suspended passive losses on Form 8582 today Net passive result per year from what you keep (+ income / − loss) California figure (no bonus) New passive losses you will buy each year (LP deals, cost seg) for how many years California figure One-time look-back cost seg catch-up (Form 3115) California figure Rentals you run yourself: net per year (+/−) Harvested capital losses per year (e.g. direct indexing) for how many years

4. The structure Amount structured (the boot) Years Note rate % Mirror the schedule to the shelter (principal arrives as fast as losses can absorb it) 1031 replacement (for the three 1031 plans) Replacement price Type Land share % Cost segregation (share moved to 5/15-yr) % Bonus depreciation % (federal) Net operating income, % of price Loan rate on the replacement % Elect to treat the whole basis as new (Reg. §1.168(i)-6(i))

Load a case from the book:

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How to read it

Tax on the gain is your household's federal, NIIT and state tax with the sale, minus the same household without it, leaving out interest. Your salary's tax is not counted against any plan. Tax on interest is the tax on note interest and on the cash you reinvest, kept separate so a note is not charged for earning interest the cash plan would earn too.
Cash in your account is every dollar the plan hands you, after the tax it causes, reinvested at the rate you set, with that interest taxed each year too. Same yardstick for every plan.
Still in real estate is the equity left inside a 1031 replacement. Tax still embedded is what that equity owes on a later taxable sale: the deferred gain plus the depreciation you used. It disappears only if the property is exchanged again or held until death.
Losses left over is what is still suspended at the end. They are not lost; they come back when those activities are sold. The calculator gives them no value, so a plan that strands losses looks as bad as it really is in the short run.

When it is genius

You have passive losses that would otherwise sit suspended (income over $150k kills the $25k allowance), and they arrive over several years: LP deals with bonus depreciation, a leveraged replacement with cost segregation, a look-back study.
The gain is mostly long-term capital gain and §1250, not §1245 (that is due in year 1 regardless).
The replacement uses new debt or new cash, which creates excess basis. That is the only basis that gets cost segregation and bonus.
You want out of management, and the note pays principal fast enough to use the losses in the year they land.

When it does nothing, or backfires

Real estate professional who materially participates. Your rental losses already offset your other income (up to the §461(l) cap), and your sale gain is nonpassive, so it cannot absorb LP losses at all. Holding a license is not enough to be one: it takes the hour tests and material participation in the rentals.
Your LP deals already throw off passive income. The losses are already being used. Nothing is stranded.
All-cash replacement, no new debt. No excess basis, no cost seg, no bonus. The 1031 creates almost no new shelter.
California. No bonus depreciation. The federal return can go to zero while the state return still taxes most of the gain.
Interest. Note interest is portfolio income. No depreciation ever touches it.
Negative carry. Borrowing at 6.5% to manufacture depreciation while the note pays 4.5% costs cash every year.
Older sellers. The note gets no step-up at death (§691); real estate held until death does (§1014).
The property's own suspended losses. On a cash sale they all release in year 1 against any income. On a note they release pro rata as the gain comes in (§469(g)(3)): slower, not better.

Talk to your CPA and tax attorney before implementing anything. Important disclosures and conflict of interest: Hans Goldstein is a licensed insurance agent (CA Insurance License #4273294, NPN 20602398) and is paid a commission only if a structured sale is funded: currently about 2.4% of the amount structured, paid by the insurer, when it is annuity-funded; on any other funding, his pay is disclosed in writing before you decide. Seller financing pays him nothing. Estimates for education, not tax advice. 2026 federal tables (Rev. Proc. 2025-32), California 2025 schedules carried forward, NIIT, the 1040 capital gain worksheet, §453(i), Reg. §1.453-12, §1245(b)(4), Prop. Reg. §1.453-1(f), Reg. §1.168(i)-6, §469, §461(l) (2026 threshold $512k joint, verify), 100% bonus under OBBBA for property acquired after 19 January 2025. Replacement loan is interest-only; cost segregation split 60% 5-year / 40% 15-year; selling costs are paid at closing. Have your CPA run the final numbers.

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