12357 N 75th Street Longmont, CO ^$ 11,950,000

12357 N 75th Street

^$ 11,950,000

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New Construction

12357 N 75th Street

Longmont, CO, 80503

^$ 11,950,000

Bedrooms4 Baths4.2 Sq 10,248

Monthly Estimate*

^$ 74,552

Listed by Nassar Realty LLC

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Single Family Home for sale in Longmont, CO

for $11,950,000 with 4 bedrooms and 4 full baths, 2 half baths. This 10,248 square foot home was built in 2025 on a lot size of 6.98.

Lakeside living near Boulder is virtually unheard of, making 12357 N 75th Street one of the most exceptional opportunities in the region. Set on 7 lush, irrigated acres with direct access to a private lake and sweeping views of Longs Peak and the entire Front Range, this Boulder County estate offers natural beauty, luxury, and privacy just 20 min. from downtown Boulder. At the heart of the property is a newly constructed 5,754 SF residence, thoughtfully designed for elevated indoor-outdoor living. Expansive accordion glass doors and floor-to-ceiling windows capture breathtaking views, bringing the landscape into every room. Every element has been curated to support a life of ease, comfort, and refined style. The kitchen is a standout, equipped with Sub-Zero and Wolf appliances, a steam oven, a striking steel range hood, wine storage, and a fully appointed cook-in butler's pantry. A dramatic open-hearth fireplace anchors the great room, where rich textures, such as handcrafted cabinetry, reclaimed wood beams, and custom steel elements, create depth and sophistication. The home features four spacious bedrooms and six bathrooms, including a luxurious primary suite with a private loft, balcony, coffee bar, double-sided steel fireplace, spa bath with a soaking tub and steam shower, and a custom-designed walk-in closet. A dining room, private home office, and generous laundry room round out the home's well-appointed interior. Step outside to a true lifestyle haven. A heated pool and spa, lakeside firepit, and expansive patios offer multiple venues for entertaining or unwinding in total privacy. Direct lake access provides the rare ability to paddleboard, canoe, or enjoy peaceful moments beside the water. The estate also includes a newly constructed agricultural barn, an original carriage house, and a freestanding art studio. Just down the road, the charming enclave of Hygiene offers a taste of small-town life, boutique shops, and close-knit community feel. Home completed

Single Family Active

Price

^$ 11,950,000

Bedrooms

Full Bath

Half Bath

Property Type

Single Family

Taxes

^$ 14,789

Style

Contemporary

Lot Size

6.98

Year Built

2025

Town/City

Longmont

County/Region

Boulder

MLS | Web ID

IR1040477

Features

Interior

Interior Amenities Eat-in Kitchen Five Piece Bath In-Law Floorplan Kitchen Island Open Floorplan Pantry Primary Suite Radon Mitigation System Sauna Vaulted Ceiling(s) Walk-In Closet(s) Wet Bar

Basement Crawl Space None Sump Pump

Flooring Wood

Fireplace Features Gas Gas Log Living Room

Basement (Y/N) N

Window Features Double Pane Windows Window Coverings

Above Grade Finished Area 4609

Half Baths 2

3/4 Baths 2

Laundry Features In Unit

Total Bedrooms 4

Below Grade Finished Area 0

Main Level Bedrooms 0

Main Level Bathrooms 3

Total Baths 6

General

Sewer Septic Tank

Heating Forced Air Radiant

Cooling Central Air

Utilities Cable Available Electricity Available Internet Access (Wired) Natural Gas Available

Possession Closing/DOD

Roof Composition Metal

Appliances Bar Fridge Dishwasher Disposal Double Oven Dryer Freezer Microwave Oven Refrigerator Self Cleaning Oven Washer

Zoning RR

Garage Spaces 3

Patio/Porch Features Deck Patio

Architectural Style Contemporary

Pool Features Private

Security Features Fire Alarm Fire Sprinkler System Smoke Detector(s)

Construction Materials Brick Stone Frame Wood Siding

Exclusions Personal Property currently on premises. Artwork photographs staging items. No machinery or farm equipment shall be implied as part of sale. Water Rights Included

Year Built 2025

View Mountain(s) Plains Water

Levels Two

Property Subtype Single Family Residence

Tax Year 2024

Ownership Individual

Waterfront Features Pond

County Boulder

Property Type Residential

HOA N

Attached Garage Y

Subdivision Name Hygiene Heights 3

Facing Direction West

Possible Use Agricultural Residential

Full Baths 2

Status Active

Directions Entrance is a shared driveway on the west side of 75th.

High School Silver Creek

City Longmont

High School District St. Vrain Valley RE-1J

Lot Size Square Feet 304139

Listing Terms 1031 Exchange Cash Conventional

Elementary School Hygiene

Tax Annual Amount 14789

Middle/Junior High School Westview

Property Condition New Construction

Concessions No

Structure Type House

Standard Status Active

Occupancy Type Owner

Elementary School District St. Vrain Valley RE-1J

Exterior

Exterior Amenities Balcony Spa/Hot Tub

Vegetation Grassed Wooded

Fencing Fenced Partial

Parking Features Heated Garage Oversized Oversized Door RV Access/Parking

Lot Features Ditch Level Sprinklers In Front

Water Source Cistern Public

Total Parking 3

Building Area Total 10248

Lot Size Acres 6.98

Road Surface Type Gravel

Road Frontage Type Private Road

Other Equipment Satellite Dish

Builder Model Custom

Horse Y/N Y

Horse Amenities Corral(s) Pasture

Internal Only

Street Number 1 12357

* Excluded Features

List By

Nassar Realty Llc

Broker

(303) 775-8522

Phone

Affordability Calculator

$75,785

Per Month

Monthly Principal & Interest: $74,552
Monthly Property Taxes: $1,232
Monthly Home Insurance: --

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Down Payment

Loan Term

Interest Rate

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Yearly Home Insurance

Default based on a 30-year fixed rate of 6.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

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Nearby

Trends
Schools

Single family listings in Longmont, CO

Average List Price ^$1,145,689

Percent of Sale Price 90%

About Longmont, CO

95,205 Population

31% Since 2002

^$64,602 Median Income

39.12 Median Age

30% Households with Children

View more area information

Trends Information provided by ATTOM Data Solutions.

3044003 Elementary School

910918 Middle School

Silver Creek High School High School

See complete school information

Pricing History

Date	Price	Price Change	Description
8/1/2025	$11,950,000		Listed Price

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12357 N 75th Street, Longmont, CO, 80503 is a Single Family Home for sale at $11,950,000 with 10,248 sqft and a lot size of 6.98. 12357 N 75th Street has 4 bedrooms, 4.2 baths, and was built in 2025. The property's zip code is 80503 which is in Longmont, CO

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

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The information being provided is for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

Data is updated as of 12/6/2025.

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12357 N 75th Street

Single Family Home for sale in Longmont, CO

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