Rialto Short Term Rental Regulation: A Guide For Airbnb Hosts

Do you own a place in Rialto and you're weighing whether to put it on Airbnb or Vrbo? Well, the good news is that nothing in Rialto's municipal code bans it, and there's no ordinance that singles out short-term rentals for some permit you'd have to go track down. The less comfortable news sits right next to it: Rialto's code doesn't mention short-term rentals at all, so there's no dedicated path to "legal" the way a city with an actual STR ordinance hands you one. You're operating under the general rules written for any residential property in Rialto, San Bernardino County, California, not rules anyone wrote with Airbnb in mind.

That gap matters more in 2026 than it did a few years ago. Not far up the road, San Bernardino's city council voted 4-3 in April 2026 to ban short-term rentals citywide, and it plans to apply its existing 10% hotel tax to whatever's left once the ban lands. Rialto hasn't moved anywhere close to that, but its own transient occupancy tax, 9% of what you charge for the stay, still applies to a short-term rental regardless of what the zoning code says, and Airbnb doesn't collect it on your behalf here. So the honest read is this: you can operate, the tax and the business license are real and non-negotiable, and the zoning question is a genuine gray area the city has simply never spelled out.

This guide covers what's written down: the business license and Home Occupation rules that apply whether you've registered or not, the 9% occupancy tax and how you file it, the one explicit rental-term rule that does exist in the zoning code (it's about accessory dwelling units, and it matters more than you'd think), and exactly who at City Hall to call once the code goes quiet on you. Every figure below comes from Rialto's own forms and pages, or from the state framework layered on top, checked in July and August 2026. If you're comparing a Rialto property against a market with a clearer regulatory path, run the numbers through BNBCalc first.

What are short term rental (Airbnb, VRBO) regulations in Rialto,California?

Start with what's written down, because it's shorter than you'd expect for a city of over 100,000 people. I searched Rialto's own website directly for "Airbnb," "short-term rental," and "vacation rental" and came up with nothing. Not a buried policy, not an FAQ, nothing. The city's zoning code doesn't define "short-term rental," "bed and breakfast," or "transient" anywhere in Chapter 18.04, its definitions chapter. That silence is the headline fact of this whole guide.

What the code does define is "hotel": a building with six or more guest rooms, no in-room cooking allowed. "Motel" gets a similar treatment, built around groups of travelers and attached parking. Neither definition fits a single-family house rented out nightly on Airbnb, and hotels and motels themselves aren't a permitted use everywhere in the city anyway. In the PID (Planned Industrial District) zone, for instance, hotels and motels require a conditional development permit under § 18.40.030(B), meaning even a genuine hotel can't open there without planning commission sign-off. An ordinary house in a residential zone was never contemplated by any of this language, one way or the other.

The one place the code does speak directly to short-term rentals is accessory dwelling units. Rialto Municipal Code § 18.10.070(H) states plainly that if you rent an ADU, "such rental shall be for a period greater than thirty days." That tracks California's own statewide floor on ADU rentals, and it's worth remembering if your plan involves a granny flat rather than the main house. I could not find a comparable 30-day rule written for an ordinary single-family home in Rialto's R-1, R-2, R-3, or R-4 zones, which is a gap in what the code addresses rather than confirmation that no such rule exists anywhere.

None of that silence touches tax law, though, which doesn't care what zoning says. Rialto taxes transient occupancy at 9% regardless of whether the code has a category for your listing, and the city's general business license requirement applies to "any person or business generating revenue in the City," full stop. Above all of this sits California's own framework: no statewide short-term rental permit or registry exists anywhere in the state, Revenue & Taxation Code § 7280 merely authorizes cities and counties to tax stays of 30 days or less however they see fit, and the California statewide guide walks through that layer in full if you're weighing Rialto against a market elsewhere in the state.

Starting a Short Term Rental Business in Rialto

Since Rialto never wrote an STR-specific rulebook, "starting" one here means routing your plans through the generic mechanisms the city already has, rather than filling out a form built for this. Two things determine which bucket you land in: whether you live in the property, and whether you're renting the whole thing or only a spare room or two.

If you'll live in the home and rent out rooms while you're there, that's a Home Occupation in the city's eyes, which pairs a Home Occupation Permit from the Planning Division with a Home Occupation business license. If you're renting a whole standalone house you don't live in, that looks a lot more like the city's "Rental Income Property" business license classification, which explicitly names hotels, motels, and multi-room residential rentals among the real property it covers. Neither bucket is named "short-term rental," so don't be surprised if the Business Licensing Division has to think about which one fits your specific setup. Call them before you assume either way.

Before any of that, check two things that have nothing to do with the city. First, your lease or your HOA's CC&Rs. California's Civil Code § 4741(c) lets a common interest development prohibit rentals of 30 days or less even though it can't touch longer ones, so an HOA can shut this down regardless of anything the city allows. Second, if your plan involves an ADU rather than the primary home, remember that 30-day floor from the section above. It rules out a nightly Airbnb in the ADU entirely, though it leaves the main house untouched. And keep San Bernardino's April 2026 ban in mind as a sign of where the regional political wind is blowing, even though Rialto itself hasn't followed suit. The California guide covers the ADU carve-out and the HOA rule in more depth if either applies to you.

Short Term Rental Licensing Requirement in Rialto

Getting your license sorted starts with the same fork from the last section: Rental Income Property or Home Occupation. Both routes share the same three add-on fees on top of the tax itself, and both get administered by the same office.

Rialto's Business License Classifications & Requirements guide defines Rental Income Property as covering "any person, firm, or corporation that rents or leases real property," and explicitly lists hotels, motels, and residential dwelling units among what counts. The tax itself is tiered by gross receipts, per the city's Business License Tax Summary:

Annual Gross Receipts	Rental Income Property Tax	Home Occupation Tax
Up to $5,000	(n/a)	$25.00
$5,001-$10,000	(n/a)	$50.00
Up to $30,000	$79.00	$79.00 (over $10,000)
Up to $50,000	$110.00	$79.00
Up to $75,000	$160.00	$79.00
Up to $100,000	$210.00	$79.00

On top of whichever tax band applies, a new Rental Income Property license adds a $47.30 administration fee, a $32.40 renewal fee, and a $4.00 state fee. A new Home Occupation license runs slightly cheaper at $40.40 to start, $25.90 to renew, plus the same $4.00 state fee. Both figures come straight from the city's Business License FAQ.

Home Occupation carries one more layer worth knowing about: Rialto Municipal Code § 18.10.020(D) makes home occupations in R-1 zones subject to review under Chapter 5.68 of the code, which is Rialto's dedicated Home Occupations chapter. I couldn't get Municode to load that chapter's actual text (it's a client-rendered page that returns nothing to an automated request), so I can't tell you its specific standards here. Do call the Planning Division at (909) 820-2535 and ask what Chapter 5.68 requires for your particular property before you assume a Home Occupation Permit is a formality.

Neither license, on its own, registers you for the transient occupancy tax. That's a separate filing, covered in the tax section below, and it's the one piece that applies no matter which business license bucket you fall into.

Required Documents for Rialto Short Term Rentals

Since neither license path is a formality, it's worth getting the paperwork gathered before you apply rather than after. For a Rental Income Property license, the city's classification guide asks for a government ID, an Articles of Incorporation or Fictitious Business Name Statement if you're operating under anything other than your own name, and a completed Business License Compliance Form and Questionnaire.

A Home Occupation license needs everything above, plus the Home Occupation Permit application itself, filed separately through the Planning Division rather than Business Licensing. If you'll be selling anything alongside the stay, like retail goods or food, tack on a Seller's Permit or Health Permit as needed. And if your rental activity happens to be tied to a state-licensed profession, bring that license too.

• A government-issued ID
• Articles of Incorporation or a Fictitious Business Name Statement, if applicable
• The Business License Compliance Form
• The Business License Questionnaire
• A Home Occupation Permit application (Home Occupation route only, filed through Planning)
• A Seller's Permit, if you're selling items, including online sales
• A Health Permit, if you're serving food that isn't pre-packaged
• Your state professional license, if your business requires one

One thing you almost certainly won't need: a conditional use permit. Those attach to Rialto's actual "hotel" and "motel" land uses, which require six or more guest rooms and a commercial zone. An ordinary house doesn't come close to tripping that threshold, so unless your property functions as a small hotel in its own right, this particular document shouldn't be on your list. Keep that distinction in mind if a contractor or consultant tries to sell you on a CUP you don't need.

Rialto Short Term Rental Taxes

Assuming you're through the licensing paperwork and are able to start hosting, there's still the tax to sort out, and it's the one obligation that applies no matter how the city ends up classifying your business license. Three layers stack here: a city occupancy tax, the city's business license tax covered above, and one small state-level assessment.

Tax	Rate	Collected by
Transient Occupancy Tax	9% of rent charged	City of Rialto, remitted by the host
Business License Tax	$25-$210+ (tiered by gross receipts)	City of Rialto, Business Licensing Division
California Tourism Assessment	About 0.195% of travel/tourism revenue	State of California, Office of Tourism

The Transient Occupancy Tax is the one that taxes the stay itself, at 9% of what you charge the guest, filed quarterly with returns due April 1, July 1, October 1, and January 1. Miss a deadline by more than 30 days and the city adds a 10% penalty on top of what you owe, plus 0.5% interest per month from the delinquent date. Returns and payment go to the Business License Division at 150 S. Palm Avenue, Rialto, CA 92376.

Here's the part that catches people out: Airbnb does not collect or remit this tax for you in Rialto. I checked Airbnb's own California occupancy-tax page, and Rialto is explicitly named among the incorporated cities excluded from the county's collection arrangement, alongside neighbors like Fontana, Colton, and San Bernardino. That means the 9% lands on you to calculate, collect from the guest, and file, every quarter, whether or not the platform shows it separately on the booking.

I couldn't open Rialto Municipal Code Chapter 3.08, the actual Transient Occupancy Tax ordinance, to check its finer points like how it defines "operator" or whether any de minimis exemption exists for occasional hosts. Municode's page for that chapter is a JavaScript application that returns no readable text to an automated request, on every attempt I made. Everything above comes from the city's own current return form instead, which is what you'd be filling out, so treat the rate and the deadlines as solid and the finer procedural questions as ones to confirm directly with Business Licensing.

Above the city sits one more layer: your rental income is ordinary taxable income to the Franchise Tax Board, and California's Tourism Marketing Act adds a small self-assessed charge on travel and tourism revenue, filed directly with the state's Office of Tourism rather than through the city. Neither of those gets collected by Airbnb either. If you're weighing what a Rialto property nets against a comparable listing elsewhere, BNBCalc Markets breaks California revenue down at the market level so you can see the gap before you commit.

Rialto wide Short Term Rental Rules

Once the tax picture is settled, what's left is the handful of rules that exist outside the two sections above, and it's a shorter list than you'd get in a city with a dedicated ordinance. Zoning stays quiet on short-term rentals specifically, so the operative rules end up being the general ones that apply to any residential property in the city.

• No citywide rental-term minimum found for a standard house. The 30-day floor is written specifically for accessory dwelling units under § 18.10.070(H); I found no equivalent rule for a primary single-family home in the sections I could access.
• HOAs and CC&Rs can override the city entirely. State law lets a common interest development ban rentals under 30 days outright, so check your governing documents even if the city has nothing to say.
• No STR-specific occupancy cap, parking requirement, or safety-equipment mandate exists, because there's no dedicated ordinance to write one into. Ordinary building and fire code requirements for any residence still apply, of course, though none of it is written for Airbnb specifically.
• General nuisance and property-maintenance rules apply to any residence, short-term rental or not. Noise, parking on unpaved surfaces, and property upkeep all fall under the Community Compliance Division's normal caseload.
• Platforms owe you a disclosure, not a permit. Under Business & Professions Code § 22592, Airbnb and Vrbo have to warn hosts that listing might violate a lease and that ordinary homeowners insurance may not cover short-term rental use. Don't skip checking your own policy on that second point.

Watch out for the trap this list creates: "no rule against it" is not the same thing as "cleared." A neighbor complaint routed to Community Compliance still gets investigated under whatever general nuisance or zoning authority applies, even without an STR ordinance behind it. The next section covers what that looks like in practice.

Does Rialto strictly enforce STR rules?" Is Rialto Airbnb friendly?

Since there's no dedicated STR ordinance, there's nothing STR-specific for the city to strictly enforce, which is a different thing from the city not caring at all. Enforcement here runs through the same general channels as any other residential property: the Community Compliance Division handles nuisance and property-maintenance complaints, and the Business Licensing Division handles unpaid tax and unlicensed-business questions. Neither department has anything resembling a short-term-rental task force.

That said, "no dedicated ordinance" and "Airbnb-friendly" aren't quite the same claim either, and the regional direction is worth sitting with for a second. San Bernardino, the county seat a few miles south, voted 4-3 in April 2026 to ban short-term rentals citywide after complaints about a Halloween party that reportedly drew over 1,000 people to one rental. The city plans to identify unauthorized listings through third-party monitoring and apply its existing hotel tax language once the ban is in place. Rialto hasn't taken any comparable step, and I found no evidence of a pending council item, staff report, or ballot measure pointed in that direction here. Even so, a neighboring city moving from silence to an outright ban in under two years is the kind of thing worth keeping an eye on if you're planning to hold a Rialto property for the long haul.

In practice, that leaves Rialto sitting in an unusually quiet middle ground. It's friendlier than San Bernardino by simple virtue of not having banned anything, and it's less clear-cut than a city that publishes an actual STR permit process, because you're never fully sure which box your listing falls into until someone at City Hall tells you. The 9% occupancy tax is the one lever the city can and does pull without needing a dedicated ordinance at all, since tax law and land-use law run on entirely separate tracks.

How to Start a Short Term Rental Business in Rialto

Given how much of this guide has been about filling gaps the city left open, the order below is designed to close them before you spend money on the wrong document.

1. Check your lease or HOA documents first. A CC&R ban ends the conversation regardless of what the city allows, and it costs nothing to check.
2. Decide whether you'll be present. Living in the property and renting rooms points toward a Home Occupation Permit and license. Renting a whole unit you don't occupy points toward a Rental Income Property license.
3. Call the Planning Division at (909) 820-2535 before you apply for anything. Ask directly which classification fits your address and whether Chapter 5.68's home occupation standards apply to your setup.
4. Gather your documents. ID, an Articles of Incorporation or Fictitious Business Name Statement if relevant, and the Business License Compliance Form and Questionnaire, plus the Home Occupation Permit application if that route applies to you.
5. Apply through the Business Licensing Division at 150 S. Palm Avenue, and budget for the administration fee, the state fee, and the gross-receipts-based tax tier that fits your expected revenue.
6. Register for the Transient Occupancy Tax separately. This isn't automatic, and it isn't the same filing as your business license.
7. Set a quarterly reminder for April 1, July 1, October 1, and January 1, since the TOT penalty and interest start accruing 30 days after any of those dates passes.
8. Confirm with your insurer that a short-term rental is covered. Ordinary homeowners policies often aren't built for it, and the state requires platforms to warn you about exactly that gap.
9. If your plan involves an ADU, stop and re-read § 18.10.070(H). A rental under 30 days there isn't a licensing question. It's a rule you can't get around at all.

Who to contact in Rialto about Short Term Rental Regulations and Zoning

Whichever step trips you up, four city offices split the work between them, and knowing which one owns your question saves an annoying number of transfers.

Business Licensing Division

Handles both business license classifications, the gross-receipts tax, and the Transient Occupancy Tax registration and filing.

• Address: 150 S. Palm Avenue, Rialto, CA 92376
• Phone: (909) 820-2517 (TOT questions: ext. 2517)
• Email: [email protected]
• Hours: Monday-Friday, 7:00 a.m. to 6:00 p.m. (payment counter closes at 5:00 p.m.)

Planning Division

The first call for zoning questions, Home Occupation Permits, and whether your specific address falls under any special plan or overlay.

• Address: 150 S. Palm Avenue, Rialto, CA 92376
• Phone: (909) 820-2535
• Email: [email protected]
• Hours: Monday-Thursday, 7:00 a.m. to 6:00 p.m.

Community Compliance Division

Handles nuisance, noise, and property-maintenance complaints, which is where a neighbor's report about your rental would land.

• Address: 128 N. Willow Avenue, Rialto, CA 92376
• Phone: (909) 820-8070
• Email: [email protected]

Rialto Police Department (non-emergency)

• Address: 128 N. Willow Avenue, Rialto, CA 92376
• Phone: (909) 820-2550
• Lobby hours: Monday-Friday, 8:00 a.m. to 5:00 p.m.

What Airbnb Hosts in Rialto Report About Local Regulations

Given how quiet the city itself stays on this topic, it's not much of a surprise that hosts and investors are quiet about it too. I looked specifically for BiggerPockets discussion of Rialto's short-term rental rules and didn't find a thread that addresses them directly. What does exist is general Inland Empire investor chatter, an active regional meetup group that discusses long-term rentals, Airbnbs, and flips together, without singling out Rialto's regulatory picture as a talking point one way or the other.

That absence is itself a kind of data point. Cities that generate real forum debate tend to be the ones with something to argue about: a permit cap, a ban, a fee that jumped. Rialto hasn't given hosts a reason to argue yet, because there's no rule to be for or against. San Bernardino, by contrast, is going to start showing up in exactly these conversations now that its ban has actual teeth. As of this research, third-party listing data put roughly 68 active Rialto listings across Airbnb and Vrbo, though that figure moves constantly and I'd treat it as a rough snapshot rather than something to plan around.

Take the quiet as a mixed signal rather than an all-clear. It means nobody's actively fighting you, but it also means nobody's confirmed the path for you either. Bear that in mind before you assume the absence of complaints equals the presence of a clear rule.

Frequently Asked Questions

Can you legally run an Airbnb in Rialto in 2026?

Yes, with real caveats. Rialto has no ordinance that bans short-term rentals, and none that requires a dedicated STR permit either. You still need a city business license (Rental Income Property or Home Occupation, depending on your setup), and you owe the 9% transient occupancy tax on every stay, filed yourself since Airbnb doesn't collect it here. Check your HOA's CC&Rs too, since California law lets them prohibit rentals under 30 days even where the city allows it.

Does Rialto require a permit or license for a short-term rental?

Not one labeled "short-term rental" specifically. Instead, you need a general business license, either the Rental Income Property classification or a Home Occupation license paired with a Home Occupation Permit from the Planning Division, depending on whether you live in the unit. Fees are tiered by gross receipts, starting around $79 to $210 for Rental Income Property and $25 to $79 for Home Occupation, plus administration and state fees.

How much is the transient occupancy tax in Rialto?

9% of the rent you charge the guest, filed quarterly with returns due April 1, July 1, October 1, and January 1. A return filed more than 30 days late draws a 10% penalty plus 0.5% monthly interest. Airbnb does not collect or remit this tax on your behalf in Rialto, unlike some other California cities on its collection list, so you're responsible for calculating and filing it yourself every quarter.

Does San Bernardino County's short-term rental permit program apply to Rialto?

No. The county's STR permit program, run through str.sbcounty.gov, covers only the unincorporated desert and mountain regions of San Bernardino County. Rialto is an incorporated city in the Valley region, and it's explicitly named as excluded from the county's arrangement on Airbnb's own occupancy-tax collection page. Rialto hosts answer to the city directly, not to the county's STR program.

Can you rent an accessory dwelling unit in Rialto as a short-term rental?

No, not on a nightly basis. Rialto Municipal Code § 18.10.070(H) requires any ADU rental to run longer than 30 days, mirroring California's statewide rule for accessory dwelling units. That floor applies specifically to the ADU itself; it doesn't extend to the main house on the same lot, which falls under the same general, unaddressed zoning picture the rest of this guide describes.

Last verified: July 2026. Every ordinance, tax rate, state law, and contact detail in this guide links to or comes from its official source.