Why verbal agreements fall apart

The call takes four minutes. He wants the deck rebuilt like you did his brother's, you say you can start the week after next, he says "around three grand sounds fine," and you both hang up happy. Nine days later you are pulling boards and he is asking whether the railing you quoted him is the aluminum one his brother got.

Neither of you is lying. You had one conversation and walked away with two different jobs in your heads.

A handshake is a real contract — that is not the problem

An oral agreement with an offer, an acceptance and something of value on both sides is generally an enforceable contract in every state. You can sue on it. Courts do enforce them.

The problem is proof. In a dispute over an unwritten deal, a judge is not weighing your paperwork against his paperwork. She is deciding which person sounds more credible about a conversation that happened months ago, with no record either of you can point to. You can be completely in the right and still lose, and even winning costs you days you are not on a job site.

Two structural details make it worse than most trades expect. Many states set a shorter statute of limitations for oral contracts than for written ones — California, for instance, gives you two years to sue on an oral contract and four on a written one — so the window closes earlier on exactly the deals that are hardest to prove. And some states condition residential mechanic's lien rights on having a written contract. Texas is the sharp example: to get a lien on a homestead, the contract has to be in writing, signed by both spouses before any labor or material is furnished, and filed with the county clerk (Property Code §53.254). Miss that and the handshake has cost you your strongest collection tool before the argument even starts. Both rules vary by state; your own state's are the ones that matter.

Some contracts have to be in writing to count at all

The statute of frauds is old, boring and in force in some form everywhere. It says certain categories of agreement are unenforceable unless there is a signed writing: contracts for an interest in land, agreements that cannot be completed within a year of being made, promises to answer for someone else's debt, and — through Article 2 of the Uniform Commercial Code as adopted in most states — sales of goods above a set dollar figure, long written as $500 in the standard version. That last one is about goods, not services. On a job that mixes labor and material, courts generally ask which one the contract is mainly for, so a rewired panel or a rebuilt deck usually falls outside it.

The category that catches trades harder is narrower: home improvement contract statutes. A number of states require residential improvement work to be in writing, and the trigger is usually a low dollar figure rather than a large one. California requires a written contract, signed by both parties before work starts, once the aggregate price — labor, services and materials together — exceeds $500 (Business and Professions Code §7159). New York requires home improvement contracts to be evidenced by a writing signed by all parties (General Business Law §771). Many states also dictate the contents: start and completion dates, a payment schedule, a cap on the down payment, a cancellation notice, your license number. Thresholds and required language get amended, so confirm the current version with your state's licensing board rather than with a number you read once.

Do not carry any of that across a state line, and do not assume the only penalty is a void contract. Depending on the state, skipping a required writing can also be a licensing violation or a consumer-protection violation.

The phrases that survive a phone call

Every dispute over an unwritten deal traces back to a sentence both parties thought was clear.

Read that column on the right and you have the full list of things people fight about: price, scope, materials, schedule, and when payment is due.

Change orders are where the habit comes back

Plenty of trades who would never start a bathroom without a signed estimate handle every addition verbally. The customer asks about a second outlet or ten more feet of fence, you say "yeah, that's another two hundred," and you keep going.

That extra is an oral contract sitting on top of a written one, and it is worse off than a standalone handshake — your own agreement may say changes are only valid in writing. When the final invoice arrives with four verbal extras on it, the customer's position writes itself: none of that is in what I signed.

The fix is not a formal document per item. It is a text before the work happens, saying what changed, what it costs and what it does to the schedule, with a reply that says go ahead.

A confirmation email beats no contract by a wide margin

If you are not going to produce a real contract for a small job, produce a record. Sent the same day, before anyone's memory drifts:

Good talking with you today. Confirming what we agreed: rebuild the rear deck, 12 by 16, pressure-treated framing with composite decking in the color you picked, existing railing reused. Price $3,150, materials included. Haul-off of the old decking included; permit fees are not. Start Monday the 8th, roughly four working days. Half up front, balance on completion. Reply and let me know if any of that reads differently to you.

That does four things a phone call cannot. It fixes a number instead of a range. It names one exclusion, which is where most arguments live. It timestamps itself. And if he never replies, you still have a written statement of the deal that he received and did not correct — not conclusive, but far better than two competing memories.

An email like that is not a substitute for a written contract where your state requires one, and it will not carry the disclosures a home improvement statute demands. It is the floor, not the ceiling.

Ask your board what has to be in writing

Two questions settle most of this. Does my state require a written contract for this kind of residential work, and what has to be in it? Ask your licensing board, not a summary site. And does the value, the duration or a property interest put this job in a statute-of-frauds category? For work large enough that the answer matters, one review of your standard agreement by an attorney in your state costs less than one dispute.

Turn the call into a written estimate the same day

This is a timing gap. The deal is clear in your head when you hang up and fuzzy by the end of the week, so whatever gets written down in the first few hours is what both of you end up relying on. In DoneQuote you can describe the job in the words you just used on the call, or forward the customer's email, and get back a priced estimate with line items, exclusions and payment terms you can send before you leave the driveway. The customer approves it with a link, and the approval is recorded with a date — so the version you agreed on is the version that exists in writing.