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Let's dispense with the politics immediately. Whatever you think about trade policy — and this is not the place — the tariffs are here, they are affecting your renovation costs right now, and wishing they weren't won't help you close a profitable deal. What will help you is understanding exactly what's changed, what it costs, and how to adjust.

So let's get into it.

Building material costs were already up roughly 40% from December 2020 before the most recent tariff rounds kicked in. The new measures have added meaningfully to that baseline. Here's where things stand on the materials that matter most to residential renovation investors:

Lumber. Canada supplies approximately 85% of U.S. softwood lumber imports. That lumber is now subject to a combined duty rate of roughly 45% — antidumping and countervailing duties plus a new Section 232 national security tariff. In 2025, Commerce increased antidumping duties from 14.5% to 35%, with an additional 10% Section 232 tariff on all timber and lumber imports. National Association of Home Builders Framing, flooring, sheathing, decking — if it's wood, it costs more.

Steel and Aluminum. Steel and aluminum now face 50% tariffs on all imports into the United States. Associated General Contractors of America That hits structural components, roofing, HVAC systems, and the countless metal fixtures and fasteners in every renovation project.

Kitchen Cabinets and Vanities. This one is particularly painful for flip investors. Tariffs on kitchen cabinets and bathroom vanities went into effect at 25%, with rates scheduled to rise to 50% on January 1, 2026. Brookings If kitchens and baths are where you make your money — and they usually are — this hits you where it hurts.

Copper. A 50% tariff on various semi-finished copper and copper derivatives Associated General Contractors of America is now in effect. Electrical wiring and plumbing runs through every house you touch.

Appliances. Major appliance prices have already gone up more than twice as fast as overall inflation. Brookings The stainless steel refrigerator you've been putting in your flips to justify a higher asking price just got more expensive.

The National Association of Home Builders estimates that recent tariff actions are adding an average of $10,900 to the cost of building a new home. National Association of Home Builders Renovation projects vary considerably in scope, but that number gives you a useful order of magnitude. Cushman & Wakefield estimates that current tariff rates will result in an increase to construction materials costs of approximately 9% relative to 2024 averages, with total project costs rising an estimated 4.6%. Cushman & Wakefield

On a $50,000 renovation budget, 4.6% is $2,300. On a $100,000 budget it's $4,600. Neither number is trivial, and both come straight off your net before you've sold the house.

One San Francisco-based flip operation, after stockpiling 62% more Canadian lumber than usual to get ahead of price increases, still increased prices on its refurbished properties by 7% to 12%. PBS They prepared better than most and still absorbed meaningful cost increases.

The numbers above reflect conditions as of this writing. The tariff situation has been, to put it charitably, dynamic. Rates have been announced, modified, paused, reinstated, and escalated in patterns that make long-range planning genuinely difficult. One analyst described the pattern as "an announcement of higher tariffs on some segment or class of goods, then a reversal of that in some way, and a re-announcement of some version of it." HousingWire

The uncertainty itself is a cost. When you can't lock in material prices with confidence, you can't bid projects with confidence, and contractors who are absorbing that uncertainty will price it into their quotes — or leave themselves contractual escape hatches you don't want to discover at week six of an eight-week project.

This is the actionable part. Here's how experienced investors are adjusting.

Recalculate your repair estimates and MAO. If you haven't revisited your Maximum Allowable Offer formula recently, do it now. Higher renovation costs mean your ceiling price on acquisitions needs to come down — or your profit margin does. One of those is a choice. The other is a consequence. We covered the MAO formula in a recent issue; dust it off and run your current projects through it with updated cost assumptions.

Get bids in writing with expiration dates. A contractor who quotes your kitchen at $18,000 today may not be able to honor that number in 90 days if cabinet prices spike further. Ask explicitly: how long is this bid valid? What happens to pricing if materials costs change before we start? Get the answers in writing. A good contractor won't object to the question.

Build a larger contingency. Standard rehab practice has always been to carry a 10-15% contingency for surprises. In this environment, consider moving that to 15-20%. Tariff-driven cost increases are not your contractor's fault and they are not always predictable. Build the cushion before you need it.

Buy materials early where practical. If you have a project under contract and you know you'll need lumber, cabinets, or appliances, consider purchasing them before you need them rather than when you need them. Storage costs money, but so does buying the same materials at a higher price three months from now. This is not speculation — it's supply chain management.

Rethink your finish selections. This is not the moment to install custom imported cabinetry in a $180,000 ARV flip. Domestic cabinet manufacturers exist, and while they may not offer the same price point as imported product, the tariff differential has narrowed the gap considerably. Ask your supplier specifically about domestically sourced alternatives before you spec the job.

Look at your ARV assumptions too. Here's the silver lining nobody talks about: tariffs raise the cost of renovation for everyone, including your eventual buyers if they're considering improvements. They also raise the replacement cost of housing generally, which provides a floor under values. Higher renovation costs across the market may support higher ARVs over time — not immediately, and not uniformly, but the math works in that direction. Don't ignore it when you're running your numbers.

Update your contractor agreements. If you don't have an escalation clause in your construction agreement — a provision that addresses what happens to pricing if material costs increase materially after signing — now is the time to add one. This protects both parties and avoids the ugly conversation that happens when a contractor is building your kitchen at a price that's become impossible.

You cannot control trade policy. You can control your numbers, your contracts, your material sourcing, and the offers you make. Investors who adjust their processes now will maintain their margins. Those who keep running the same calculations they used in 2023 will discover the problem at closing.

The costs are real. The adjustments are manageable. Do the math before the deal, not after.

Every flipper knows the pain — you walk a property, try to estimate rehab costs in your head, and either overbid and lose the deal or underbid and kill your margin. Handoff solves that. Describe the project, upload photos, or record a voice note on site, and Handoff generates a detailed, accurate estimate in minutes — priced by ZIP code using real supplier data from Home Depot, Lowe's, and 60 million+ SKUs. Convert the estimate to a professional proposal with one click, collect signatures, send invoices, and get paid digitally. Whether you're estimating your own flips or managing contractors, Handoff tells you exactly what the work should cost before anyone swings a hammer. Start free for 7 days, no credit card required.

Before you spend $50,000 on a renovation, spend five minutes on HomeDesigns.AI. Upload a photo of any space — kitchen, living room, exterior, backyard — choose from 200+ design styles, and see a photorealistic transformation instantly. No design experience required. Flippers use it to visualize rehab decisions before committing. Agents use it to show buyers a property's potential. Landlords use it to plan updates between tenants. STR hosts use it to refresh tired spaces without hiring a designer. Trusted by over 2.4 million users, it's the fastest way to see what's possible before you pick up a hammer or write a check.

Remodeling & Design

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🏗️ Handoff.ai — AI rehab estimating with real-time pricing by ZIP code. Know your numbers before you make an offer. Start Your Free Trial

🏗️ HomeSage.ai — AI property intelligence that helps you evaluate renovation potential before you buy. Start Your Free Trial

Tools & Tech

🛠️ FlipperForce — The project management tool built for flippers. Track every dollar and every day on every project. Start a Free Trial

Financing & Capital

💰 Kiavi — The fix-and-flip lender that moves as fast as you do. Hard money without the hard process. Get Your Quote Online

💰 New Silver — Online hard money loans for investors who don't have time for slow banks. Get approved in less than 5 minutes

💰 Radar Equity Group — searches 2,000+ commercial lending programs to deliver funding proposals in minutes — no bank runaround, no guesswork, just capital for your next deal. Get multiple proposals in minutes.

Professional Services

⚖️ MVO CPAs — Cost segregation on your rehab? Accelerate depreciation and keep more of what you make. Get a free estimate

⚖️ Choice Home Warranty — Protect your renovation investment after the sale. Your buyers will love you for it. Get Your No Obligation Quote

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