Best Colorado Sports Betting Sites 2025 | CO Betting Promos

How We Rate the Best Colorado Sportsbooks

With so many online sportsbooks sites available in Colorado, finding the right one can be overwhelming. This is why our team dives deep into each platform to test their security, odds quality, and user-focused features before listing them among the best Colorado sportsbooks. 

To help you better understand what separates the top-tier CO sportsbooks from the rest, here is a list of each factor that we consider:

Trustworthiness

We prioritize platforms with a solid reputation, verified through Colorado Division of Gaming licenses. Our team checks operator history, payout reliability, and user feedback across forums and review sites. Only licensed sportsbooks with a proven track record of fairness and transparency make our list, ensuring you bet with confidence.

Safety and Security

Placing online bets requires sharing sensitive financial and personal information, which can directly impact your personal life. That’s why we thoroughly examine each sportsbook’s security measures, including 256-bit SSL encryption, two-factor authentication, and robust firewalls. We also verify that payment processing for deposits and withdrawals is secure and fully compliant with PCI standards.

Bonuses and Promotions

Bonuses should work in your favor, not leave you guessing. That’s why we carefully review welcome offers, risk-free bets, and loyalty programs for fair terms, low wagering requirements, and clear expiration dates. We also consider the promotion’s frequency to ensure odds boosts and exclusive deals actually grow your bankroll and keep you coming back for more.

Betting Markets and Sports

A great online sportsbook in Colorado should offer a wide range of betting options. We evaluate the range of sports covered—from NFL and NBA to niche markets like esports, golf, and college sports. Our review includes moneylines, spreads, props, futures, and live betting, making it easy to bet on sports in Colorado across a wide variety of sports teams.

User Experience and Compatibility

We look for Colorado sports betting sites that are easy to use. Whether you’re on desktop or mobile, smooth navigation, fast load times, and a dedicated app all matter. We also check how easy it is to reach support via live chat, email, or phone, so you can get help quickly whenever you need it.

Colorado Sports Betting Laws

Sports betting is legal in Colorado, providing a safe and regulated environment for residents to enjoy wagering. Since its approval in 2019, the state has built a solid foundation for legal sports betting. Here's a look at how it all came together—and the rules that guide it today.

• 2018: The U.S. Supreme Court overturned PASPA, allowing states to legalize sports betting and paving the way for Colorado to develop its own regulatory framework.

• 2019: In November, Colorado voters approved Proposition DD, officially legalizing sports betting in the state and directing tax revenues toward water conservation initiatives.

• 2020: On May 1, the first legal online sportsbooks, such as FanDuel and DraftKings, were launched, offering both online and retail betting options.

• 2023: Colorado passed HB23-1041, banning wagers on out-of-state and simulcast greyhound races to prioritize animal welfare

To place bets legally in Colorado, you must be at least 21 years old and physically located within the state borders. Legal sports betting covers professional and college sports, with the exception of prop bets on college athletes. Retail sportsbooks, licensed by the Colorado Division of Gaming, operate at casinos in Black Hawk, Central City, and Cripple Creek, where sports bettors can place in-person wagers.

Latest Colorado Sports Betting News

In the first quarter of 2025, Colorado’s sports betting market started strong. Between January and March, the total betting handle hit $1.77 billion, with April alone bringing $507.9 million in wagers, mostly from NBA and MLB fans. With 16 licensed sportsbooks in the state, Colorado saw $143.5 million in revenue and over $10 million in taxes to support water projects.

On May 15, 2025, Governor Jared Polis signed HB 1311 into law after it cleared the state Senate. The new law lowers how much sportsbooks can deduct for free bets, from 2 to 1.75, starting in January 2026. The goal is to boost the amount of tax money going toward Colorado’s water conservation efforts.

Colorado Sports Betting Tax Information

In Colorado, any sports betting winnings are taxed as income, which helps the state benefit from legal wagering activities. The state applies a flat tax rate of 4.4% on all sports betting winnings, no matter the amount. 

On top of that, federal taxes kick in at 24 for winnings over $5,000, or 30 if you don’t have a Social Security Number. These taxes are reported each year when you file your income tax return.

Meanwhile, sportsbooks themselves pay a 10% tax on their net sports betting revenue, which is calculated after deducting player payouts and promotional bets. 

This tax revenue plays an important role in funding Colorado’s water conservation projects. In fact, over $24.5 million was collected for these initiatives in fiscal year 2024–25 alone.

Bonus Offers at Colorado Online Sportsbooks

Colorado’s online sports betting market is highly competitive, with operators constantly rolling out new offers to attract and keep players. With over a dozen sportsbooks to choose from, bettors are spoiled for choice—ranging from $200 deposit matches to free bets and up to $1,000 in bet insurance. Many platforms also reward loyalty with exclusive perks and bonuses. Here’s a quick breakdown of the types of bonuses Colorado bettors can expect and how each one works: 

Sign-Up Bonus

Sportsbooks offer sign-up bonuses to attract new users and give them a head start. Typically, you place a small bet or make the first deposit to unlock bonus bets or matched funds. These offers often come with conditions such as minimum odds (e.g., -500 or better) and a 7-day expiration. 

A popular example is BetMGM’s "Bet $10, Get $150", which awards six $25 bonus bets after your first qualifying wager settles, regardless of the outcome. This lets you bet with house money right away.

First Bet Insurance

Often known as a no-sweat or second-chance bet, this bonus helps ease new users into sports betting by refunding a losing first wager as bonus bets. This encourages players to take bigger risks with less fear of losing. 

Offers usually have a cap (e.g., $1,000) and a 1x playthrough requirement. For instance, Caesars gives up to $1,000 back if your first bet loses, with bonus bets valid for 14 days. It’s a great way to try again with less pressure.

Deposit Match Bonus

For bettors making a larger first deposit, a deposit match bonus is an easy way to get extra value. Sportsbooks typically match 20–100 of your deposit amount, with minimums around $10 and attached wagering requirements.

Take DraftKings Sportsbook bonus, for instance: they offer a 20% deposit match up to $1,000. So, a $1,000 deposit earns you $200 in bonus funds, which come with a 25x playthrough requirement and a 7-day expiry on the bonus.

No-Deposit Bonus

No-deposit bonuses are great for cautious bettors who want to try a platform without risking their own money. It’s a nice way to dip your toes in before committing. That said, there are usually a few terms that must be met. You’ll usually face a 10x–15x playthrough and a tight expiry of 7 days or less. 

A good example of this is the Bet365 bonus, which offers $25 in bonus bets upon sign-up, but you must wager it 15x before the week ends.

Rewards Programs

Rewards programs keep regular bettors engaged by offering loyalty points for every wager placed. These points can be redeemed for perks like bonus bets, merchandise, or even event tickets. The more consistently you bet, the higher your tier status climbs, unlocking better rewards.

For example, Caesars Rewards gives points for each wager, which can later be redeemed for a $50 bonus bet or exclusive VIP experiences. It’s a valuable incentive for those planning to stick with one sportsbook long-term.

Popular Sports at Colorado Sports Betting Sites

Colorado's passion for sports is undeniable, and that enthusiasm extends to sports betting. Whether it's the Denver Broncos lighting up Sunday nights or the Nuggets aiming for another championship, there's always action to be had. Online sportsbooks amplify the excitement with a variety of betting options and exclusive odds boosts.

From mainstream leagues to niche markets, Colorado offers a diverse range of betting opportunities. Here are the most popular sports you can wager on in the Centennial State:

NFL (Football)

For Colorado fans, few things beat the excitement of Broncos football. Whether it’s a nail-biting rivalry game or a high-stakes playoff push, Denver’s NFL team keeps bettors on the edge of their seats. Residents can choose from a variety of NFL betting options, including moneyline bets, point spreads, over/under totals, and player prop bets. 

FanDuel Sportsbook is the official sponsor of Colorado's beloved Denver Broncos, giving bettors access to boosted odds, exclusive promos, and special deals on every Broncos game.

NBA (Basketball)

Basketball holds a special place in Colorado's sports culture, with the Denver Nuggets leading the charge since their inception in 1967. The team's play style resonates with the passionate fan base, making every game a thrilling experience for bettors. Fanatics Sportsbook, who also sponsor the Nuggets, offers a variety of betting options, including Same Game Parlays and live in-play betting, allowing fans to engage deeply with the action.

MLB (Baseball)

When the Rockies take the field at Coors Field, Colorado fans show up in full force with purple jerseys, cold beers, and high hopes. From moneylines and player props to point spreads and over/under, Colorado bettors combine their game knowledge and passion using these bet types. Thanks to bet365, the Rockies’ official sportsbook partner, there are always boosted odds and team-specific deals to sweeten the action. 

NHL (Hockey)

The Avalanche’s recent Stanley Cup wins have Colorado hockey fans fired up—and the betting action is just as intense. Fans can use the moneylines, puck lines, or player props to increase their bankroll manyfold by betting on the league favorites. 

Bet365, official sponsor of both Avs and Rockies, offers exclusive promos, while BetMGM adds odds boosts. From championship glory to every clutch goal, Colorado’s hockey betting scene delivers nonstop excitement. 

Tennis

While online tennis betting may not be the first sport that comes to mind in Colorado, it has a dedicated following. Major tournaments like Wimbledon and the US Open attract attention from local bettors, who engage in various betting options such as match winner, set betting, and over/under games. 

Caesars Sportsbook is a top choice among bettors for wagering on these tournaments, offering a wide range of markets, Same Game Parlays, and exciting live betting options.

Daily Fantasy Sports in CO

Long before full-scale sports betting got the green light, Colorado made room for Daily Fantasy Sports (DFS) back in 2016. This early adoption helped fans ease into competitive betting-style games while sticking to fantasy formats. 

DFS involves building a lineup of real athletes for a sporting event, where your success depends on how those players perform in live games. From quick-fire matches to weekend-long contests, DFS has become a go-to for players looking for fast results and strategic gameplay. 

Popular Colorado sports betting websites like FanDuel and DraftKings lead the charge, offering a range of fantasy contests across NFL, NBA, NHL, and MLB, all tailored for Colorado players looking for a different kind of action.

Beginner's Guide to Betting with Real Money at Colorado Sportsbooks

Getting started with real money betting in Colorado is easy, even if it's your first time. Just follow these six beginner-friendly steps:

1. Choose a Sportsbook and Sign up: Pick a licensed operator from the sportsbooks we have listed on this page. Signing up takes just a few minutes with your basic information. 

2. Complete Verification: Upload your valid ID to prove you're over 21 years old. This quick security step is required before you can deposit or withdraw.

3. Make Your First Deposit: Now, Head to the cashier section and choose from payment options like credit cards, PayPal, or online banking. Most sites have low minimum deposits between $10 and $20.

4. Choose a Deposit Amount: Enter how much you want to deposit and confirm the transaction. Keep an eye out for welcome bonuses that might boost your balance on your first deposit.

5. Place Your Wager: Finally, browse the available sports and games, pick a betting market you feel confident about, enter your stake, and confirm the bet.

Colorado Mobile Sports Betting Apps

Life moves fast in Colorado, but you don't have to miss a beat—or a bet. Many of the top-rated US sportsbooks offer mobile apps that allow you to stream live games and place wagers. These apps are available for download on both iOS and Android devices, ensuring accessibility for a wide range of users. Here is what you can look for before choosing a sportsbook app:

• Live betting with real-time odds updates

• Quick sign-up for fast account setup

• Wide Betting Markets covering NFL, NBA, and more

• Push Notifications for promo alerts and game updates

These apps not only provide convenient access to betting markets but also offer attractive bonuses to enhance your betting experience. Whether you're a seasoned bettor or new to the scene, Colorado's mobile sportsbook apps cater to all.

Score Big with Colorado Sports Betting 

Sports fans in Colorado are already cashing in on one of the most exciting betting scenes in the country. And with official apps, killer bonuses, and every major sport covered, the action never stops. 

That said, the sheer number of choices can feel overwhelming, especially for new Co bettors looking to make smart, confident picks.

That’s why we’ve done the heavy lifting. Our expert-vetted list features only the most secure, rewarding, and user-friendly options in the state. Check out our top-rated Colorado sportsbooks below, claim your welcome bonus, and start betting with confidence today.