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Mountaintop Masterpiece with the Best Views in the Black Hills! 10 acre luxury estate completely surrounded by Forest Service. Located just minutes from downtown Custer! Brand new custom home blends grand scale with refined craftsmanship. Every space is thoughtfully designed with the highest quality finishes selected for both beauty and longevity. 5 bed / 5.5 bath with unbelievable spaces. Magnificent living room boasts vaulted ceilings, enormous wood burning fireplace, monumental stonework, giving way to professional kitchen and grand dining room. The upper level offers a spectacular gameroom loft with a custom wet bar, a private theater room, and a full second kitchen and second laundry for extended stay guests. A dedicated exercise room with sauna complete the package. Experience life on top of the world! Entertain under open skies, relax beside the fire, and enjoy the heated swim spa as the Black Hills stretch endlessly around you. Sit on the spacious patio for morning sunrises, radiant sunsets, and star filled nights with imposing granite peaks as your backdrop. A legacy property built for those who want space, privacy, and scenery that never stops. Once in a lifetime opportunity to own the most spectacular home in the entire Black Hills.

Highlights

  • Residential
  • Single Family Residence
  • Built in 2025
  • 10.0 Acre Lot
  • 100 days on Market

  • Bedrooms
    5
  • Bathrooms
    5 full · 1 half
  • Year Built
    2025
  • Stories
    2.0
  • Architectural Style
    Two Story
  • Construction Materials
    Frame
  • Parking Features
    Attached, Garage Door Opener
  • Interior Features
    Walk-In Closet(s), Vaulted Ceiling(s), Wet Bar, Elevator
  • Appliances
    Dryer, Dishwasher, Microwave, Refrigerator, Disposal, Gas Range, Gas Oven, Freezer, Double Oven, Water Softener
  • Flooring
    Tile, Carpet
  • Patio And Porch
    Deck
  • Security Features
    Smoke Detector(s)
  • Cooling
    Ceiling Fan(s)
  • Heating
    Forced Air, Electric, Propane, Radiant
  • Basement
    Partial, Partially Finished

  • Acres
    10.0

  • County
    Custer
  • City
    Custer
  • Zip Code
    57730

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Frequently Asked Questions

How do I schedule a tour of 12322 Bonanza Rd?

We can make that happen quickly. Click Tour This Home and we'll connect you directly with our vetted local partner to schedule your visit to 12322 Bonanza Rd.

They know residentials in the area well and can give you the guidance you need to buy with confidence.

How do I get more information about 12322 Bonanza Rd?

Click Ask a Question to talk with our team. You already know it is a 5 bed, 5 bath, listed for $5,200,000. We can talk through recent upgrades, potential seller motivation, how this single family residence compares to others in Custer, and can even get you in to see the property quickly.

How do I get a virtual tour of 12322 Bonanza Rd?

Yes! A virtual tour is available for 12322 Bonanza Rd. Click here to view the full walkthrough and explore every room at your own pace. If you would like a guided virtual showing or have questions along the way, we can connect you with our local expert to walk you through it live.

How much is the monthly mortgage payment for 12322 Bonanza Rd?

With a 20% down payment and a 30-year fixed loan at an illustrative 7.25% rate, the ez Mortgage Calculator estimates the monthly payment for 12322 Bonanza Rd at around $29,592. This includes estimated property taxes and insurance.

Want to see how this changes with different down payments or interest rates? Jump to the calculator to run the numbers and fine-tune your plan.

How do I get pre-approved to buy 12322 Bonanza Rd?

Stand out in a competitive market by getting pre-approved today. Our quick and private pre-approval process helps you understand your true buying power—no credit pull required to explore all of your options.

Or, let us connect you with our preferred local lender in Custer County. They will give you all of your available financing options, based on your specific situation and what is available to you.

Can I negotiate the asking price for 12322 Bonanza Rd?

In most cases, yes. Whether 12322 Bonanza Rd is priced competitively or not, your best offer depends on your personal situation, the seller's timeline, and recent activity in Custer's market. Our preferred local partner will help you craft a strategy—factoring in comparable properties that have sold, timing, and deal structure—to make a smart, strong offer. Click here to ask about negotiation opportunities.

How do I make an offer on 12322 Bonanza Rd?

We can handle that for you. Our preferred local agent specializes in residentials in Custer and can guide you through every step of the offer process.

You need an expert who is looking out for your best interests. From market valuation to contingencies and timing, they'll help you present a compelling offer that fits your goals. Click Ask a Question to get started today.

What is the price per square foot for this home?

This home is listed at $5,200,000 with 9,046 sqft of space—that comes out to approximately $575 per square foot.

How long has this property been on the market?

12322 Bonanza Rd was listed on August 05, 2026, which means it's been on the market for 100 days.

Want to keep tabs on it? Click the ♥ to favorite this home and get notified of price drops or changes.

When was this house built?

This home was built in 2025, making it approximately 1 years old.

What is the lot size of this property?

12322 Bonanza Rd sits on a 10.0-acre lot, which is 435,600 square feet.

Is 12322 Bonanza Rd still available for sale?

Yes, this home is still available! Click the ♥ to favorite it so you don't miss any changes—or ask our local expert to schedule a time to see it in person.

Source: ez Home Search, MLS Data

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The data relating to real estate for sale on this website comes in part from the Broker Reciprocity Program of the Mount Rushmore Area Association of REALTORS® Multiple Listing Service. Real estate listings held by brokerage firms other than Hegg Realty are marked with the Broker Reciprocity logo and detailed information about them includes the name of the listing brokers. Information Deemed Reliable But Not Guaranteed. The broker(s) providing this data believes it to be correct, but advises interested parties to confirm the data before relying on it in a purchase decision. Copyright ©2026 Mount Rushmore Area Association of REALTORS®, Inc. Multiple Listing Service. All rights reserved.