Open house consent and TCPA compliance might sound like a topic for lawyers, but it touches every agent who picks up a phone on Monday morning to follow up with Sunday's visitors. Whether you can legally — and ethically — text or call the people who signed in depends heavily on what happened at the sign-in form: what it said, what the visitor agreed to, and whether you can show a record of that agreement if anyone asks. This guide explains the general landscape in plain terms. It is not legal advice, and the details vary by state, brokerage policy, and how you contact people. Before you build a texting or calling workflow from open house leads, talk to your broker and, if needed, an attorney.
What the TCPA actually covers
The Telephone Consumer Protection Act is a federal law that has been around since 1991, but it has become a bigger topic for real estate agents as text messaging became the dominant follow-up channel. At its core, TCPA governs unwanted calls and texts — particularly those sent using automated technology (autodialing, prerecorded messages, and bulk text platforms). The general principle: you need prior express written consent before sending marketing texts to a consumer using these systems.
A few things agents often misunderstand:
- Manual one-to-one texts are treated differently. If you tap out a personal text from your phone to one person, that is generally viewed differently than blasting 80 numbers from a software platform. But even personal texts can become a problem if the recipient never agreed to hear from you and complains.
- It is not just about robotexts. The consent question applies to any contact that could be considered marketing or solicitation, not only automated systems.
- State laws add layers. Some states have their own privacy and telemarketing rules that go further than federal law — California, Florida, and others have been active here. Many states also have rules around written disclosure requirements in real estate specifically. Your state association's legal hotline is a good first call.
The NAR research and statistics hub tracks how NAR has engaged with regulatory issues affecting agents; it's worth bookmarking for updates on guidance that comes out of the association.
Why open house sign-in is the consent moment that matters
Every follow-up call or text you send after an open house traces back to a single moment: the visitor handing over their information. What they agreed to at that moment determines what you can legally do with their number later.
A paper sign-in sheet with a column for "phone number" does not, on its own, constitute consent to receive marketing texts. The visitor wrote down a number — that doesn't mean they agreed to be messaged. Courts and regulators have been clear that consent needs to be informed: the person needs to know what they're signing up for.
A well-designed digital sign-in form closes this gap. It can include a consent statement that is visible before the visitor submits, something like: "By providing your contact information, you agree that [Brokerage Name] may contact you by phone, text, or email regarding this property and related services." The visitor sees it, proceeds anyway, and you have a timestamped digital record of that interaction.
This is one of the cleaner arguments for a private lead capture setup over a paper clipboard. The clipboard captures a number. A properly designed digital form captures a number plus documented consent, which is a meaningfully different thing when you're deciding whether to add someone to a texting cadence.
The consent checkbox: what it should and shouldn't say
Not all consent language is equal. Vague or buried consent is routinely challenged in disputes, and plain-English clarity protects everyone — the visitor knows what they agreed to, and you have a defensible record.
What works:
- Place it prominently, not in small text below the fold
- Use plain language that names the contact methods (phone, text, email)
- Name the party doing the contacting (your brokerage, not just "an agent")
- Make it a separate, optional checkbox rather than baking it into a general sign-in agreement
- Record that the box was checked, with a timestamp if your form supports it
What to avoid:
- Pre-checked boxes (widely considered insufficient consent)
- Buried consent language after a long form
- Vague wording like "by signing in you agree to our terms" with no specifics
- Combining consent with a requirement to sign in at all — consent should be genuinely optional for the visitor
The exact language your brokerage requires may differ from generic templates. Many brokerages have a standard consent clause that their agents are expected to use. If yours doesn't, ask your compliance officer or legal counsel to review whatever language you draft. This is one area where a quick ask can save a real headache later.
What happens when someone hasn't consented — and you call anyway
The honest answer is: most of the time, nothing obvious happens. An uncomfortable phone call. An annoyed prospect. But the regulatory environment around TCPA has produced a litigation industry around exactly this kind of situation, particularly when agents use any kind of texting platform or automated system to reach out at scale.
The risk calculus changes depending on how you contact people:
| Contact method | Consent considerations |
|---|---|
| Personal one-to-one call from your own phone | Lower risk; still good practice to have consent |
| Personal text you type manually | Moderate — volume and context matter |
| Bulk text platform / automated system | Consent matters significantly here; platform likely requires it |
| Governed by CAN-SPAM, not TCPA, but still requires valid opt-out | |
| Ringless voicemail | Treated as a call under TCPA in most interpretations |
If you're using any kind of CRM with a built-in texting feature, a dialer, or a mass-messaging tool, check what that platform requires from you before you upload a list. Most reputable tools require documented consent before they'll send on your behalf — for liability reasons on their end as much as yours.
Documenting consent: why a paper trail matters
The single most practical thing you can do is keep records of how and when consent was given. If someone later claims they never agreed to be contacted, your first line of defense is documentation.
A digital sign-in form creates this record automatically. You have a timestamped entry showing the visitor's information, when they submitted it, and what they saw on screen when they did. A paper clipboard gives you a signature or scrawled phone number with no metadata at all.
When you export leads to a CRM or spreadsheet, bring the consent status along. If someone signed in with a check in the opt-in box, that's a warm lead you can call freely within your platform's rules. If someone signed in but skipped the consent checkbox, treat that contact with more caution — personal outreach referencing the open house they attended is a different thing than adding them to an automated sequence.
The open house sign-in questions you ask shape the entire follow-up conversation, including who has opted into which kind of contact. Building consent capture into those same questions is the most efficient way to keep the list clean.
Respecting opt-outs after the open house
Consent is not a one-way door. If someone who signed in at your open house tells you to stop texting them, that opt-out needs to be honored immediately and tracked. "STOP" texts need to be processed before that number shows up in your next send. This applies to email too — CAN-SPAM requires functional unsubscribe mechanisms, and most state regulations echo that.
In practice, this means:
- Don't just delete opt-outs; add them to a suppression list in your CRM
- If you use multiple platforms to reach the same lead, an opt-out from one channel should ideally apply to all
- Review your suppression list before any outreach campaign
For solo agents managing a small list manually, this is easy to track. As your list grows and you use more tools, suppression management becomes something worth setting up deliberately rather than ad hoc.
The privacy and consent angle visitors actually care about
Open house visitors worry about what happens to their data. The Close's roundups of open house apps and HousingWire's coverage of sign-in tools both note that data-sharing practices are a real concern for buyers — particularly after high-profile cases of visitor data being shared with mortgage lenders without visitors' knowledge. Some platforms monetize sign-in data this way, and buyers who've experienced it are increasingly wary.
When a visitor sees a clear, honest consent statement on your sign-in form, it does two things: it tells them what they're agreeing to (which is legally useful) and it signals that you're being straight with them (which is relationally valuable). Agents who have privacy-first capture setups find that visitors are more likely to sign in with real information because they trust the form isn't a funnel into a lending platform.
For context: Curb Hero's help documentation states that a default lender may be assigned to listings and that visitor information is shared with lenders when visitors opt into mortgage questions. That's a disclosed data-sharing arrangement, but it's one visitors often don't notice unless they read carefully. If your capture approach does anything similar, that arrangement should be clearly described in your consent language. If your capture keeps leads entirely on-device and doesn't share data with third parties, that's worth stating too — it's a meaningful differentiator.
Agents interested in how open house sign-in privacy laws apply in their state should start with their state REALTOR association's legal guidance; requirements vary significantly.
What good compliance actually looks like in practice
None of this needs to be complicated. The habits that keep you on solid ground are not elaborate — they're consistent:
At the open house:
- Use a digital sign-in form with a visible, unambiguous consent statement
- Make the opt-in checkbox separate from the sign-in itself so it's genuinely voluntary
- Capture a timestamp and record that the visitor completed the form
When you export and follow up:
- Separate your list by consent status before reaching out
- Use personal, one-to-one outreach for anyone who hasn't explicitly opted into mass messaging
- Reference the open house follow-up timing rules — warm leads deserve a fast, personal first touch, not an automated blast
For your ongoing list:
- Honor opt-outs immediately and log them
- Review your suppression list before every send
- If your broker has a standard consent clause, use it exactly as written
Before you build any automated workflow:
- Talk to your broker. Many have specific policies on texting, dialers, and automated outreach.
- If you're building something larger (team campaigns, CRM sequences), get attorney input on your consent language and your platform's compliance features.
The Highnote comparison of open house apps and Showable's sign-in app breakdown both note that app choice affects what data-practice disclosures you can make to visitors. If privacy and compliance are selling points for your practice, your sign-in setup is part of the story you tell buyers at the door.
How OpenHouse handles consent capture
OpenHouse's sign-in form includes a customizable opt-in consent field that agents can add to their sign-in screen. It appears as a checkbox with editable text — you control what it says, so your broker's standard language drops right in. Because the app runs offline and stores everything locally on the iPad, no visitor data leaves the device until you choose to export it. There's no third-party lead sharing, no lender pairing, and no data resale.
When you export after the open house, leads with the opt-in checked are clearly tagged in the export, so you know exactly which contacts gave explicit permission for follow-up. That clean consent record travels with the lead whether you export to CSV, push to Contacts, or hand off to your CRM.
It's a simple workflow, but it's the kind of simple that matters when someone asks you three months later whether they agreed to hear from you.
A note on jurisdiction and professional guidance
Everything in this guide describes general principles, not legal advice. TCPA enforcement, state telemarketing rules, and brokerage compliance policies vary enough that "it depends" is genuinely the honest answer to most specific questions. Your state association's legal hotline exists precisely for situations like this — most associations offer free guidance to members, and that's a much better source for your specific market than any general guide.
What this guide can do is help you ask the right questions: Does my sign-in form capture documented consent? Does my brokerage have a standard opt-in clause? What does my CRM require before I upload a list for texting? How do I track and honor opt-outs? Those questions have answers that apply to your situation. Start there, then check with counsel or your broker on the specifics.
Frequently asked questions
Can I text someone who signed in at my open house?
Generally yes, if they provided their number and your sign-in form makes clear they may be contacted. A written opt-in checkbox is the safest approach. The specifics vary by jurisdiction and message type, so confirm with your broker or an attorney before building a texting workflow.
What is the TCPA and why does it matter for real estate agents?
The Telephone Consumer Protection Act is a federal law governing unsolicited calls and texts, especially when automated systems are used. It applies to real estate agents who text leads en masse or use dialers. Violations can trigger complaints and legal exposure, so most brokerages require explicit written consent before agents text prospects.
Does a sign-in sheet count as consent to contact?
A paper sign-in sheet without a consent notice generally does not constitute clear opt-in under modern standards. A digital form that includes a visible consent statement — and records that the visitor saw and agreed to it — provides a much stronger paper trail. Check with your broker about the exact language your market requires.
What should a consent checkbox on my open house sign-in say?
Something like: "By providing your contact information, you agree that [Agent/Brokerage Name] may contact you by phone, text, or email about this property and related real estate services." The language should be plain, visible, and unambiguous. Have your broker or legal counsel review the exact wording.
What happens if I text someone who never opted in?
At minimum you risk a poor impression and an opt-out request. At worst, if you use an automated system to send mass texts without consent, you may face TCPA complaints. This is an area where individual and brokerage liability can be real. Always check with your broker or attorney before using any automated texting tool.
How do I honor an opt-out from an open house lead?
Stop contacting that person immediately via the channel they opted out of and note it in your records. If you export leads to a CRM or email tool, that opt-out status should travel with the contact. Manual tracking in a spreadsheet works if that's what you have — the key is consistency.