Halloween Events!

Halloween Haunted Houses & Trick or Treat Events Around Boulder County, CO!

Trunk or Treat, Haunted Hayrides, Ghost Tours & more!

Searching for the best place to find Halloween Haunted Houses and Halloween events in Boulder County, CO? Look no further as we have pulled together the best list of Halloween happenings for Colorado. Use this list below to find the best Halloween events and happenings in your area or browse through our spooky list of Halloween Trick or Treating events, Halloween Parades and more in CO.

Hunting for scares and screams in a Colorado Halloween Haunted House near Boulder County? We've got you covered.

In need of a jack-o'-lantern? Check out our collection of pumpkin patches, farms, and stands near Boulder County, CO.

Add an Event

Find Colorado Halloween Events!

Denver All Access Halloween Bar Crawl

Friday, Oct 31, 2025 at 8:00pm

Denver, CO

Add an Organization

Find Colorado Haunted Houses!

Boulder High Haunted House

1604 Arapahoe Avenue

Boulder, CO

218 Kimbark Street

Longmont, CO

10798 Yukon Street

Westminster, CO

6728 County Road 3 1/4

Erie, CO

13251 West 64th Avenue

Arvada, CO

60 Main Street

Rollinsville, CO

5550 Wadsworth Blvd

Arvada, CO

10451 McKay Road

Thornton, CO

1750 Savage Road

Loveland, CO

2000 Elitch Circle

Denver, CO

Local News Feed

View All news Articles

Add A News Article

In and Around Boulder County, CO

Apple Picking Corn Mazes Pumpkin Picking Halloween Events Restaurants Movie Times Car Deals and Guide Real Estate Jobs Classifieds Gas Prices Museums Coffee Spots Parks

Community Life

School Closings
View our updated school closings list.

Local Schools
Find education near you.

Local Groups
View all the organizations in your community.

Businesses
VFind popular businesses near you.

Jobs
Looking to work locally? Try these listings we found.

Boulder County Tool Kit

NON-PROFIT
BUSINESS

List Your Organization

Do you have a non-profit Organization that you'd like to add?

Post An Event

Promote your event to the community.

Submit A News Release

We want to hear about the latest and greatest story that's happening within our community.

Free: See How You're Listed

On Yahoo, Yelp, SuperPages, AmericanTowns and 25 other directories!

Improve Your Listing

Add your social media links and bio and promote your discounts, menus, events.

New Businesses

Be sure your listing is up on all the key local directories with all your important content (social links and product info).

Nr	Query	Num. rows	Took (ms)
1	db.counties.find( {"sef_url":"boulder-county-co"}, [] ).sort( [] ).limit( 1 ).skip( 0 )	1	5
2	db.counties.find( {"sef_url":"boulder-county-co"}, [] ).sort( [] ).limit( 1 ).skip( 0 )	1	3
3	db.events_cache.find( {"_id":"aa0c727fd6e247b69036d2e10103eb33"}, [] ).sort( [] ).limit( 1 ).skip( 0 )	0	5
4	db.events.find( {"start":{"$gte":"MongoDate(0.00000000 1761800400)"},"tags":"halloween-event","geo":{"$geoWithin":{"$center":[[-105.26399993896484,40.043800354003906],1.0869565217391304]}}}, ["location_string","event_id","partner_id","address","sef_tail","tags","title","start","end","date_string","time_string","image_url","group_id","group_name","group_sef_tail","venue_name"] ).sort( {"start":1} ).limit( 11 ).skip( 0 )	1	10
5	db.events_cache.count( {"_id":"aa0c727fd6e247b69036d2e10103eb33"} )	0	1
6	db.events_cache.insert( {"_id":"aa0c727fd6e247b69036d2e10103eb33","town_sef_url":"boulder-county-co","data_key":["68b952fbf957a70c3306dbe0"],"sort_order":{"start":1},"params":"{\"show\":10,\"title\":\"Find Colorado Halloween Events!\",\"tags\":\"halloween-event\",\"radius\":75,\"keyword\":\"\",\"limit\":15,\"page\":1,\"sef\":\"\",\"tags_logical\":\"\",\"terms\":\"\",\"show_limit\":3,\"sort\":\"\",\"days\":\"\",\"images\":true,\"max-days\":365,\"max-miles\":45,\"message\":\"[message to follow]\",\"min\":50,\"prompt\":\"\",\"height\":\"\",\"width\":\"\",\"data_id\":\"\",\"more\":true,\"type\":\"\",\"autoshowmore\":false,\"link\":\"\",\"showdesc\":\"\",\"rankby\":\"\",\"empty-message\":\"\",\"ad_slots\":\"\",\"see-more-title\":\"\",\"searchdate\":\"\",\"searchenddate\":\"\",\"lat\":40.043800354003906,\"lng\":-105.26399993896484,\"latlng\":\"40.043800354004,-105.26399993896\",\"city\":\"Boulder County\",\"state\":\"CO\",\"theme\":\"\",\"page_type\":\"town\",\"grouped\":false,\"has_next_page\":false}","modified":"MongoDate(0.87800000 1761841011)","created":"MongoDate(0.87800000 1761841011)"} , true)	0	3
7	db.places.find( {"geo":{"$near":[-105.26399993896484,40.043800354003906],"$maxDistance":1.0869565217391304},"tags":"haunted"}, [] ).sort( [] ).limit( 11 ).skip( 0 )	11	16
8	db.news.find( {"broadcast":{"$in":["usa","boulder-county-co","co"]}}, [] ).sort( {"publish_date":-1} ).limit( 4 ).skip( 0 )	4	2
9	db.towns.find( {"sef_url":"boulder-county-co"}, [] ).sort( [] ).limit( 1 ).skip( 0 )	0	2

Boulder County

Colorado

Halloween Events!

Find Colorado Halloween Events!

Denver All Access Halloween Bar Crawl

Find Colorado Haunted Houses!

Boulder High Haunted House

The Empty Grave Haunted House

The Frightmare Compound

Anderson Farms - Terror In The Corn

Field of Corpses

Haunted Stage Stop

Circus of Fear 3D

Haunted Field of Screams

Creepy Walk in the Woods

Elitch Gardens Fright Fest

School Closings
View our updated school closings list.

Local Schools
Find education near you.

Local Groups
View all the organizations in your community.

Businesses
VFind popular businesses near you.

Jobs
Looking to work locally? Try these listings we found.

List Your Organization

Post An Event

Submit A News Release

Free: See How You're Listed

Improve Your Listing

New Businesses

20 million people
rely on AmericanTowns each year to find & share local information.

Halloween Events!

Find Colorado Halloween Events!

Find Colorado Haunted Houses!

School Closings View our updated school closings list.

Local Schools Find education near you.

Local Groups View all the organizations in your community.

Businesses VFind popular businesses near you.

Jobs Looking to work locally? Try these listings we found.

List Your Organization

Post An Event

Submit A News Release

Free: See How You're Listed

Improve Your Listing

New Businesses

20 million peoplerely on AmericanTowns each year to find & share local information.

School Closings
View our updated school closings list.

Local Schools
Find education near you.

Local Groups
View all the organizations in your community.

Businesses
VFind popular businesses near you.

Jobs
Looking to work locally? Try these listings we found.

20 million people
rely on AmericanTowns each year to find & share local information.