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Welcome to The Brant by Lennar, Lafayette’s newest collection of sophisticated single-level condominiums from one of the nation’s premier homebuilders, recognized for creating thoughtfully designed communities that blend quality craftsmanship, modern luxury, and an exceptional lifestyle. Perfectly positioned in one of the East Bay’s most desirable communities, these beautifully appointed residences offer an outstanding opportunity to enjoy the prestige of a Lafayette address, the acclaimed Lafayette schools, the pinnacle of walkability and low-maintenance living. Inside, open-concept floor plans are complemented by designer finishes including luxury vinyl plank flooring, quartz countertops, stylish cabinetry, stainless steel appliances, spacious kitchens, and light-filled living spaces created for both everyday comfort and effortless entertaining. Residents enjoy exclusive access to a private Resident’s Club featuring a fitness center, gathering lounge, and community kitchen, all within a secure, elevator-served building with underground parking. Just moments from vibrant downtown Lafayette, you’ll love being within walking distance of renowned restaurants, charming cafés, boutique shopping, local entertainment, and the Lafayette-Moraga Trail. Commuters will appreciate the close proximity to Lafayette BART and Highway 24, providing convenient access throughout the Bay Area. Families will value access to Lafayette’s highly acclaimed public schools, including Happy Valley Elementary, Stanley Middle School, and Acalanes High School, making this an exceptional place to call home. Whether you’re purchasing your first home, downsizing without compromise, or seeking a stylish Bay Area residence close to everything, The Brant by Lennar offers a rare opportunity to experience the coveted Lafayette lifestyle in a beautifully appointed new construction community designed for today’s way of living.

Highlights

  • Residential
  • Condominium
  • New Construction
  • Built in 2026
  • $829/mo HOA
  • 2 Car Garage
  • 119 days on Market

  • Bedrooms
    2
  • Bathrooms
    2
  • Year Built
    2026
  • Architectural Style
    Contemporary, Other
  • Construction Materials
    Wood Siding, Stone, Concrete, Glass
  • Garage Spaces
    2.0
  • Parking Features
    Garage, Covered, Secured, Guest, Parking Lot
  • Living Area
    1873.0
  • Appliances
    Dryer, Dishwasher, Microwave, Refrigerator, Washer, Range, Gas Range, Oven
  • Flooring
    Tile, Vinyl, Carpet
  • Pool Features
    None
  • Cooling
    Central Air
  • Heating
    Hot Water, Central

  • Lot Features
    Level, Other, Landscaped, Close to Clubhouse, Paved
  • Water
    Public


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Frequently Asked Questions

How do I schedule a tour of 3664 Mount Diablo?

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 3664 Mount Diablo.

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 3664 Mount Diablo?

Click Ask a Question to talk with our team. You already know it is a 2 bed, 2 bath, listed for $1,699,880. We can talk through recent upgrades, potential seller motivation, how this condominium compares to others in Lafayette, and can even get you in to see the property quickly.

How much is the monthly mortgage payment for 3664 Mount Diablo?

With a 20% down payment and a 30-year fixed loan at an illustrative 6.75% rate, the ez Mortgage Calculator estimates the monthly payment for 3664 Mount Diablo at around $9,217. 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 3664 Mount Diablo?

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 Contra Costa 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 3664 Mount Diablo?

In most cases, yes. Whether 3664 Mount Diablo is priced competitively or not, your best offer depends on your personal situation, the seller's timeline, and recent activity in Lafayette'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 3664 Mount Diablo?

We can handle that for you. Our preferred local agent specializes in residentials in Lafayette 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 $1,699,880 with 1,873 sqft of space—that comes out to approximately $908 per square foot.

How long has this property been on the market?

3664 Mount Diablo was listed on July 11, 2026, which means it's been on the market for 119 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 2026, making it approximately 0 years old.

Is there an HOA fee for this property, and what does it cover?

This home has an HOA fee of $829 paid monthly.

This covers access to community features including: Clubhouse, Fitness Center, Laundry, Recreation Facilities.

Is 3664 Mount Diablo 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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Bay East ©2026. CCAR ©2026. bridgeMLS ©2026. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, or CCAR MLS, or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated at November 07, 2026 at 03:07AM.

IDX information is provided exclusively for consumers’ personal, non-commercial use and that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information deemed reliable but not guaranteed to be accurate. Listing information updated daily.