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The oldest town in Colorado is the county seat of Costilla County, San Luis. Costilla County was created in 1861, along with the other sixteen original Colorado counties, and named after the Costilla River. It was also the first European-American-occupied area in the state. Today Costilla County is home to more than three thousand five hundred residents and is the state’s ninth least-populated county. 

In addition to San Luis, the county encompasses Fort Garland, Chama, and Blanca. Blanca and San Luis are incorporated, and Fort Garland is not, but it is one of the county’s largest towns. Similarly, some of the smaller communities in Costilla County include Mesita, San Acacio, San Francisco, Jaroso, Garcia, Los Fuertes, and San Pedro. Costilla County also encompasses Mountain Home Reservoir, Smith Reservoir, Sanchez Reservoir, and Eastdale Reservoir, all great for boating and fishing. Furthermore, Costilla County is surrounded by Las Animas County on the east, Huerfano County on the northeast, Conejos County on the west, and Alamosa County on the northwest. 

In addition to all of those beneficial features, Costilla County is home to a wide variety of restaurants, retailers, historical, and cultural sites, all of which contribute to the desirability of Costilla County homes. Real estate in Costilla County is incredibly diverse and includes a variety of rural properties, including hunting land and acreage. Homes for sale in Costilla County are also varied and include properties of many sizes, ages, and architectural styles. The diversity of Costilla County real estate is reflected in a wide range of listing prices. For more specific information about available properties in Costilla County, Colorado, simply reach out whenever it is convenient.

Our website features the best Costilla real estate search for homes, condos, land and foreclosure properties available. It is the only site you will ever need! It is easy-to-use and updated by the official Realtor®’s database every 15 minutes. 

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Hot Costilla Properties

$13,000
807913 MLS
This Beautiful property is located in The Sangre De Cristo Ranches. The views are Absolutely Stunning!!! This lot is on a corner and access is very easy! The land is rolling and also has level areas for your dream home! Relax at the end of your day under endless stars in a very peaceful location!!!If you love incredible views, and peaceful surroundings, this property is perfect!!! Build your dream Colorado home on 5 acres in southern Colorado. Pronghorn sheep, deer, sandhill cranes, hummingbirds, hawks and a wide array of other birds will welcome you home. It's truly a birder's paradise! This lot boasts Off grid living at its finest, you can choose your well, septic, and energy utility placements and sources. Perfect for solar panels due to the abundance of sunshine year round. Look into digging a well, or placing a cistern. Southern Colorado is an undiscovered getaway for outdoor life and quiet solitude. Fly into Alamosa airport, call letters “ALS” that is only 40 minutes away and Albuquerque is just 3.5 hours away by car. Winter skiing at low key resorts are nearby-Taos ski area is a little over an hour away, and Wolf Creek Ski area is just under 2 hours away. Santa Fe is a great day trip, just 2.5 hours away with a lot of hot spring swimming nearbyWith the installation of a well/cistern, septic, and electric or solar, you then could build the house of your dreams!! Upon the addition of a well, septic, and power you can build the home of your dreams on this beautiful land!!! Natural landscaping adorns this property!!! Call with any questions.

Slegers, Fort Garland

$39,500
807910 MLS
This property is a true hidden gem its absolutely beautiful and very peaceful!!! If you love wide open spaces, incredible views, and peaceful surroundings, this property is perfect!!! The night skies are absolutely beautiful!! Build your dream Colorado home on 36 acres; Elk, Pronghorn sheep, deer, sandhill cranes, hummingbirds, hawks and a wide array of other birds will welcome you home. It's truly a birder's paradise! Off grid living at its finest, you can choose your well, septic, and energy utility placements and sources. Perfect for solar panels due to the abundance of sunshine year round. Look into digging a well, or placing a cistern. Southern Colorado is an undiscovered getaway for outdoor life and quiet solitude. Steeped in history, San Luis is Colorado's oldest, continuously inhabited town. Fly into Alamosa airport, call letters “ALS” that is only 45 minutes away. Albuquerque is just 3.5 hours away by car. Winter skiing at low key resorts are nearby-Taos ski area is a little over an hour away, and Wolf Creek Ski area is just under 2 hours away. Santa Fe is a great day trip, just 2.5 hours away with a lot of hot spring swimming nearby. With the installation of a well/cistern, septic, and electric or solar, you then could build the house of your dreams!! The views are stunning!!! For those that like exploring nature, this land is plenty big and private for you. The front is more level and perfect to build your dream house on! The property has an abundance of trees, brush, and grasses! If you like beautiful peaceful surroundings with an abundance of wildlife, this property is for you.

Charles, San Luis

$6,500
807862 MLS
Owner financing available-make an offer! Build your dream Colorado home on 6 acres in southern Colorado with amazing 360 views on a flat, level site. Pronghorn sheep, deer, sandhill cranes, hummingbirds, hawks and a wide array of other birds will welcome you home. It's truly a birder's paradise! This lot boasts unobstructed views of the iconic Sangre De Cristo mountain range, as well as Blanca Peak which is Colorados 4th highest summit, and the famous turtle-shaped mountain to the south towards Antonito. Off grid living at its finest, you can choose your well, septic, and energy utility placements and sources. Perfect for solar panels due to the abundance of sunshine year round. Look into digging a well, or placing a cistern. Buyer to verify all utilities including water and water rights. Water augmentation rights are available with the option to be a member of the Rio Grande Ranchos Water Company for your water rights. Southern Colorado is an undiscovered getaway for outdoor life and quiet solitude. Steeped in history, San Luis is Colorado's oldest, continuously inhabited town. Fly into Alamosa airport, call letters “ALS” that is only 45 minutes away. United services the airport by partnering with Denver Air Connections with a business jet with a connection through Denver International Airport. Or fly into Albuquerque, just 3.5 hours away by car. Winter skiing at low key resorts are nearby-Taos ski area is a little over an hour away, and Wolf Creek Ski area is just under 2 hours away. Santa Fe is a great day trip, just 2.5 hours away with a lot of hot spring swimming nearby. Hunting GMU 83 is mostly private land, and the ease of access is excellent. Terrain is varied with elevation around 8,000 feet. Theres plenty of room to breathe if you can draw in GMU 83 and lots of fun to be had. Seller is a licensed real estate agent in the state of Colorado.

TBD Grace, San Luis

$400,000
1 Beds 1 Baths 807119 MLS
This home is an absolute gem, situated on a hilltop with breathtaking 360-degree mountain views from each of the many windows. Mount Blanca towers nearby in all her magnificence. This one-bedroom, one-bath hacienda-style home has an open floor plan, making it feel bigger than the square footage would imply. Sit by the wood-burning stove on a winter day, the snow-covered mountains surrounding you, and it will feel as though you are in the Alps. The current owner bought this property four months ago, thinking it was her forever home, only to learn that it is not properly zoned for the types of animals she has. She has already invested nearly $200,000 in improvements, inside and out, which now will benefit a future owner. A brand-new well has been drilled to feed a 2,000-gallon cistern, and a whole- house water filtration system is being installed. A brand-new 9,000-Watt generator powers the well and supplements a robust 16-panel solar array. A brand-new 10 x 12 ft. shed has been insulated to house the batteries and inverter for easy access. A large propane tank powers the water heater and a wall heater in the house. On the inside, this lovely mountain home has been extensively renovated. The entire house has been freshly painted; the cabinets refinished; and three new Southwestern-style sideboards added for extra storage and counter space. The bathroom has been completely remodeled, with a custom shower featuring stone tiles, an authentic Southwestern-style vanity with a hammered copper sink, and a unique mirror fashioned by a Turkish artisan. A brand-new, high-quality stackable washer and dryer set makes doing laundry a joy. Roughly eight of the fifteen acres are enclosed with a mixture of brand-new, ten- foot-high field fencing and treated six-foot picket fencing with cedar-posts, and a 30 x 40 ft. Quonset hut has been transformed into a spacious greenhouse. This off-grid home allows you to fully embrace the self-sufficient, off-grid lifestyle, while affording the comforts and luxury of a modern home, complete with Southwestern touches and mountain views that will take your breath away.

4900 Durante, Fort Garland

$375,000
2 Beds 1 Baths 806270 MLS
Welcome to your new oasis! The home and structures are located in the Sangre De Cristo Ranches on 5 acres bordered on the north side by Ojito Creek and views of the Sangre, San Juan and Blanca ranges providing a panorama of the Rocky Mountains. There are multiple adult pinion trees that provide a yearly harvest of nuts and the large growth trees are great to enjoy. This 24 volt, 800 watt solar off grid home boasts of a 20 x 30 foot high ceiling living area, 2 bedrooms with large closets and 1 bathroom that has a beautiful tile walk-in shower. The kitchen has energy efficient appliances including a dual sink overlooking the mountains and large Formica counters. Appliances in kitchen are specific to off grid living with a Sun Star refrigerator/freezer, Hotpoint Propane oven/range and a GE analog dishwasher. Large attached garage provides plenty of space for your toys and vehicles. Utility room features a gas washer and dryer and a Sundance 24V deep freezer. There is a 24-volt wind turbine system (Primus) with a 5700-watt emergency back-up. You will love the greenhouse for all your garden necessities. With a 140-foot agricultural well there is plenty of water to maintain off grid living with approximately four acres of undeveloped land for building, agricultural or animal housing. The land consists of 3 levels; with the home, greenhouse and chicken coop hidden on the 2nd level and a walkway providing easy access to the 3rd level which has Ojito Creek running through it. Roads to the property are maintained by the county Local amenities are lake fishing at Mountian Home Reservoir and Smiths Reservoir which are 5 minutes away. These lakes are stocked with trout and provide free camping with stamp.

954 Wilking, Fort Garland

$16,500
803668 MLS
Nestled in the tranquil embrace of the majestic mountains, this extraordinary 1-acre lot offers a unique opportunity for those seeking a remarkable piece of land to call their own. Although once badly burned by the destructive flames of a forest fire, nature has triumphed, and the landscape now boasts a remarkable regeneration of aspen and pine trees, a testament to the resilience of the environment. As you step onto the property, you are immediately captivated by the breathtaking scenery that surrounds you. The lot is perched on a gentle slope, providing unobstructed panoramic views of the towering peaks, vast valleys, and sprawling forests that stretch as far as the eye can see. Whether it's the vibrant autumn foliage, the serene winter wonderland, or the blossoming colors of spring, each season brings its own magical transformation to this awe-inspiring landscape. The abundant wildlife is a testament to the untouched natural beauty that still thrives in this area despite the devastation of the fire. Elk, deer, and rabbits gracefully roam through the regrowing aspen and pine groves, adding a sense of harmony to the tranquil surroundings. Nature lovers will delight in the opportunity to observe these magnificent creatures in their natural habitat, while photographers and artists will find endless inspiration in capturing their grace and beauty. One of the most enchanting features of this property is the year-round stream that meanders through the corner, offering a soothing symphony of flowing water. Imagine waking up to the gentle sound of the stream, the crisp mountain air filling your lungs as you step outside to embrace the tranquility of this pristine oasis. The potential of this lot is boundless, offering a blank canvas for those with a vision to create their dream mountain retreat. Build a custom-designed cabin or a contemporary mountain home that blends seamlessly with the surrounding landscape. Imagine sitting on your porch, sipping a warm cup of coffee, and marveling at the awe-inspiring vistas that stretch before you. With the gentle rustling of the wind through the trees and the ever-changing tapestry of colors that nature presents, this property provides a sanctuary for the soul. This 1.6-acre lot is an exceptional opportunity to embrace the regenerative power of nature and create your own mountain sanctuary. With regrowing aspen and pine trees, abundant wildlife, a year-round stream, and awe-inspiring views, the potential of this property is truly remarkable. Whether you envision a private retreat, an artist's haven, or a nature lover's paradise, this lot offers the canvas upon which dreams are built. Seize this chance to be a part of this magnificent landscape and make this remarkable property your own.

1960 Hilda, Fort Garland

$65,000
803649 MLS
Welcome to your very own mountain retreat nestled amidst the stunning beauty of the Colorado high country. This cleared 1.9 -acre lot offers a pristine canvas for you to build your dream home and immerse yourself in majestic surroundings. With unobstructed 360 degree views of the Rocky Mountains, this property promises a lifetime of breathtaking vistas and unforgettable experiences. The nearly 2 acre lot has already been thoughtfully cleared, offering a blank canvas on which to bring your vision to life. With open space and clear lines of sight, you have the freedom to design your dream home, maximizing the views and embracing the tranquility that the mountains offer. Picture yourself waking up to the golden rays of sunrise illuminating the edges of Mt. Blanca in the distance, or unwinding in the evening with a front-row seat to the breathtaking hues of sunset. One of the major advantages of this property is that it already has a well, septic system, and electricity already in place. The well ensures a reliable and abundant water supply, giving you the freedom to cultivate a thriving garden or maintain a lush landscape. The septic system provides efficient waste management, while the electricity drop offers convenience and modern comforts while immersing yourself in the natural wonders that surround you. Imagine the possibilities of creating your own mountain oasis on this serene lot. Design a home that seamlessly blends with the natural landscape, incorporating large windows and outdoor living spaces that allow you to fully embrace the stunning views. Build a deck where you can sip your morning coffee or enjoy evening gatherings with friends and family, all while being enveloped by the tranquility and beauty of the mountains. Outside your doorstep, the Colorado Rockies beckon with a myriad of recreational opportunities. Embark on thrilling hiking adventures, exploring the wilderness and immersing yourself in the sights and sounds of nature. Indulge in fishing trips to nearby lakes and rivers or explore the Great Sand Dunes National Park nearby. The possibilities for outdoor exploration and adventure are endless, promising a vibrant and active lifestyle in one of the most stunning natural environments in the world. Whether you envision a full-time residence, a vacation retreat, or a vacation rental, this cleared 1-acre lot presents an extraordinary opportunity to create a haven that reflects your unique vision. Don't miss your chance to make this spectacular property your own and embark on a lifetime of mountain memories.

2415 Petito, Fort Garland

$60,000
802784 MLS
Come enjoy big skies solitude and living off the grid. The location is superb; national forest, Trophy waters, Sangre de Cristos and wilderness to explore, Several ski areas and white water sports are waiting to challenge your skills. This home is solar and features stunning views of the surrounding mountains and valley. Taos NM and Alamosa, CO are a scenic drive Good food, arts, universities, shopping and lots of things to do. Perfect Get a way or full time home to farm / ranch and enjoy the outdoor life. Also inspiring for the artist, writer or even just to relax and sooth the soul. * In the sellers words. This property is a nature lovers paradise. Open area in front where wild horses gather and get water. Wild babies are brought to the property in the spring. Year round birds, and Spring and Fall migration of large flocks. April 1st the hummingbirds began to arrive to nest in forest behind the house. Some years up to 70 birds with 7 feeders. I feed birds year round. The north side of the property is all pine and pinion trees. A private forest. I moved here to photograph the wild horses and ended up staying 18 years. I set up a 501c3, Spirit of the Wild Horse, for their preservation and protection. The mustangs are decedents of the Spanish horses that came thru the valley on the Old Spanish Trail. The trail is road 21 on the back side of the mesa. I continue to work to preserve the horses. Proceeds to go to the Spirit of the Wild Horse Foundation. we now only have the land to sell

16151 Antelope Trail, San Luis

$4,135,000
2 Beds 1 Baths 801161 MLS
Blanca Peak Ranch lies directly under the face of the 14,347-foot-high Blanca Peak. It is a short distance north of the historic town of Blanca, Colorado, making it easily accessible from anywhere in the country. This property has unique end-of-the-road privacy, with unparalleled views of the San Luis Valley. The ranch improvements include two mountain cabins laid in the valleys cottonwood-filled meadows along Barbara Creek, which flows into a trout pond nestled under a giant weeping willow that is right outside the main cabins door. The ranch is heavily timbered with various trees such as old-growth Ponderosa Pines, spring-fed Aspen groves, basin bottoms lined with Cottonwoods, and south-facing slopes covered in Juniper and Cedar. A newly built road system throughout provides access to all pieces of the property. The varied terrain and modest improvements give this ranch excellent game cover, plentiful OHV access, unlimited hiking, and beautiful views. Blanca Peak Ranch is located in GMU 83, home to some of Colorados largest bull elk, with some in recent years being over 400” Boone & Crockett score. GMU 83 has a long history of being a prime location for big game hunting. Established in the early 1900s, the unit has undergone significant changes in its management practices to balance the needs of the wildlife and the hunters. GMU 83 encompasses a diverse range of habitats, including alpine forests, grasslands, and mountainous regions. It is home to various big game species such as elk, Mule deer, black bears, and mountain lions. Over the years, the Colorado Parks and Wildlife Department has worked diligently to improve the unit's hunting regulations, habitat management, and research efforts to sustain the big game populations while offering ample hunting opportunities. Today, GMU 83 remains a sought-after destination for big game hunting, attracting hunters from all over the world. The ranch shares miles of its fence line with one of Colorados largest ranches, the Trenchara Ranch, which is entirely under a conservation easement, guaranteeing never to be developed and to remain an exceptional big game habitat. The Blanca Peak Ranch boasts the beautiful Blanca Creek waterfall which is known by the Navajo Tribe as "Tó Nííltsósí” which means "where the water falls through the rocks." The waterfall is considered a place of healing and renewal, and its water is believed to have powerful properties, such as spiritual and physical healing. There is a very significant and interesting Navajo history on the mountain that sits on the north boundary of the ranch; for the Navajo the peak marks the eastern boundary of Dinetah, the traditional Navajo Homeland. The mountain Blanca Peak is known by the Navajo Nation as “Tsisnaasjiní” which means “Dawn” or “White Shell Mountain.” The tribe believes their Holy People dressed Tsisnaasjiní in its “white shell” for positive thoughts and thinking and ran a bolt of lightning through this sacred mountain, fastening it to Mother Earth. The Navajo revere Tsisnaasjiní as a holy site where traditional ceremonies and spiritual practices occur. They say that the peak is the dwelling place of the Navajo mountain spirits or “Holy people” who possess great healing powers and protect those who visit the mountain. The Navajo Holy People believed to live in the mountain are Dawn Boy & Girl, White Bead Boy & Girl, White Corn & Male Rain, Rock Crystal Boy & Girl, Spotted White Corn for Vegetation symbols, White Wind & Spotted Wind, who gave life to this mountain. For the Navajo Nation, Blanca Peak and Blanca Creek waterfall is a place of reverence, respect, and spiritual and physical healing, where they can connect with their ancestral spirits, the natural world, and Mother Earth. You will find that Blanca Peak Ranch is a rare opportunity in the mountain west - a large tract of land not under any conservation easement, steeped in the history of the Native American culture, and backed i

TBD 12th Street (Tract 1 & 2), Blanca

$1,950,000
0 Baths 801154 MLS
Blanca Peak West Ranch lies directly under the face of the 14,347-foot-high Blanca Peak. It is a short distance north of the historic town of Blanca, Colorado, making it easily accessible from anywhere in the country. This property has unique end-of-the-road privacy, with unparalleled views of the San Luis Valley. The 1,680± acre ranch is heavily timbered with various trees such as old-growth Ponderosa Pines, spring-fed Aspen groves, basin bottoms lined with Cottonwoods, and south-facing slopes covered in Juniper and Cedar. A newly built road system throughout provides access to all pieces of the property. The varied terrain provides this ranch with excellent game cover, plentiful OHV access, unlimited hiking, and beautiful views. Blanca Peak West Ranch is in GMU 83, home to some of Colorados largest bull elk, with some in recent years being over 400” Boone & Crockett score. GMU 83 has a long history of being a prime location for big game hunting. Established in the early 1900s, the unit has since undergone significant changes in its management practices to balance the needs of the wildlife and the hunters. GMU 83 encompasses a diverse range of habitats, including alpine forests, grasslands, and mountainous regions, making it home to various big game species such as elk, Mule deer, black bears, and mountain lions. Over the years, the Colorado Parks and Wildlife Department has worked diligently to improve the unit's hunting regulations, habitat management, and research efforts to sustain the big game populations while offering ample hunting opportunities. Today, GMU 83 remains a sought-after destination for big game hunting, attracting hunters from all over the world. The ranch shares miles of its fence line with one of Colorados largest ranches, the Trenchara Ranch, which is entirely under a conservation easement, guaranteeing never to be developed and to remain an exceptional big game habitat. The Blanca Peak West Ranch boasts the beautiful Blanca Creek waterfall which is known by the Navajo Tribe as "Tó Nííltsósí” which means "where the water falls through the rocks." The waterfall is considered a place of healing and renewal, and its water is believed to have powerful properties, such as spiritual and physical healing. You will find that Blanca Peak Ranch is a rare opportunity in the mountain west - a large tract of land not under any conservation easement, steeped in the history of the Native American culture, and backed into an enormous conserved neighboring property. Home to a migrating elk herd from the Great Sand Dunes to the winter range of the 200,000± acre Trenchara Ranch. This ranch has it all: extensive roads, a cascading waterfall, and year around access with power, internet, and cell coverage.

TBD 12th St Tract 1, Blanca

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