Lafayette's New Downtown Condos Are Being Redrawn for People Who Already Own a House Here

"The introduction of larger two-level three-bedroom residences on Levels 06 and 07 caters to buyers downsizing from large single-family homes looking for spacious condo living." That sentence comes from the entitlement update narrative Ascend Architecture filed with the City of Lafayette's staff report for 3458 Mt. Diablo Boulevard. Developers rarely say who their buyer is this plainly.

The buyer it describes is the person who owns the large Lafayette house that someone else is waiting to buy. Lafayette's tightest supply problem sits at the condo level, one step below the single-family market. The downtown buildings now under design and construction are being shaped by that problem.

One Building, Redrawn Around a Bedroom Count

The City Council approved OUTDO Lafayette LLC's project on March 23, 2026, as a six-story building with 31 for-sale homes. In August, the owner asked to change the plans. The new version trades smaller units for larger ones and adds a floor to hold them.

The changes are specific. On the third through fifth stories, four two-bedroom units on the east side of each floor become two three-bedrooms and one smaller unit. On the sixth floor, four approved three-bedroom units become six three-bedrooms. Four of those six are split-level homes, with upper rooms on a new seventh story reached by internal stairs. The added height exists only to hold those two-level residences.

The narrative gives its reasons. "Market studies and recent sales of comparable residential units in Lafayette indicate stronger demand for larger units," it says, and the revised mix is meant "to improve absorption and financial feasibility." The ground-floor office space, a sixth-floor club and a second-floor lounge merge into a 1,757-square-foot lobby. The fitness area grows to 1,141 square feet.

A developer gives up a saleable unit only when the remaining units are expected to be worth more together. Here, one fewer home and roughly 7,900 more square feet are expected to sell faster. The rest of this post explains why that bet makes sense in Lafayette.

Twenty-Eight Sales in Nine Months

Lamorinda Weekly's quarterly reviews, drawn from Contra Costa Association of Realtors figures, give the attached-home count for 2026 so far:

• Q1 2026: six condo and townhome closings in Lafayette, from $715,000 to $1.425 million, per the April 8 review.
• Q2 2026: 15 closings, from $627,835 to $3.5 million, most of them new construction on Hough Avenue, per the July 8 review.
• Q3 2026: seven closings, from $499,000 to $2.2 million, per the October 14 review.

That totals 28 attached-home sales from January through September. In the third quarter alone, 84 single-family homes closed in Lafayette, up from 71 a year earlier. The average sale price was $2,112,426 and the average time on market was 22 days. Homes sold for an average of 101% of final asking price, and 52 of the 84 closed at or above asking.

The October review explains why closings stayed steady even as rates rose: "a continued lack of supply." As of October 6, Lafayette had 49 homes of all types on the market, compared with 67 a year earlier. The same article notes that some new-construction condos may not appear in MLS inventory, so the attached count may be slightly understated. Even so, it remains small next to the single-family side.

Q2 shows how sensitive the segment is. A single batch of new homes on Hough Avenue more than doubled the quarterly count. When one building can swing the numbers that much, the most important attached-home supply decisions are made in planning hearings, before any listing exists.

The Ownership Pipeline, Building by Building

The city's tracker and local reporting show a short list of downtown for-sale condo projects. They are listed here in the order their homes reach buyers.

1. Blue Oak, 950 Hough Avenue. A 20-unit condominium building by Diamond Construction, marked completed on the city's major development projects map.
2. Oak Hill, 1001 Oak Hill Road. Diamond Construction broke ground June 25 on 85 condominiums across from Safeway: 74 market-rate and 11 below-market-rate, in one-, two- and three-bedroom plans, according to Lamorinda Weekly. Planned amenities include a golf simulator, a dog run, a ground-floor café space and an elevated lounge with Mt. Diablo views. Completion is targeted for summer 2028.
3. 3458 Mt. Diablo Boulevard. OUTDO Lafayette LLC's 30-home redesign, described above. Ascend Architecture's narrative says the changes move the design toward a building permit submittal.

The tracker also lists The Brant, a completed 66-condominium project with 10 below-market-rate units. Not every project in the city's numbers is ownership housing. The Terraces of Lafayette, O'Brien Land Company's 315-apartment project at Deer Hill and Pleasant Hill roads, is a rental. Its city project page says mass grading is anticipated in 2027.

For a Lafayette homeowner who wants a large condo near downtown, the timing is the issue. The completed buildings are already sold or selling. The largest new building is about two years from completion. The project most clearly designed around downsizers has not yet submitted for a building permit.

Why Each Condo Sale Shows Up on the Single-Family Side

If a downsizer can only buy a new condo in 2028, their house is unlikely to be listed in 2026. Each delayed condo delays a single-family listing in a town that had 49 homes of all types for sale in early October. In Lafayette, a condo that is not yet built and a house that is not yet listed are often the same household's two halves of one move.

The 3458 narrative points the same way. A developer who expected mainly first-time or younger buyers would have kept the two-bedrooms. Moving to three-bedroom and two-level homes, with more square footage per unit, shows that the expected buyer already has a household's worth of furniture and a house to sell. Oak Hill's amenity list, with a private library, a conference room and a hospitality-style lobby, describes a similar buyer.

Move-up buyers can take something practical from this. A good share of Lafayette's future single-family supply depends on downtown construction schedules, cranes and permit reviews, not on spring listing season. Diamond Construction put up a large red crane at 1001 Oak Hill the week of September 18, according to the city's weekly roundup. That crane is as much a leading indicator of future house listings as any monthly price report.

Two Council Decisions, One Still Coming

Two decisions will shape how much larger-format ownership housing downtown can hold.

The 3458 change request went to a public hearing at the City Council's October 26 meeting, with staff recommending approval under Resolution 2026-58, per the Council agenda. That agenda states a recommendation; the city's meeting record shows the vote.

The broader package comes before Council on November 9. On October 19, the Planning Commission recommended downtown zoning changes and Objective Design Standards Part 2. Part 2 covers building massing, parking and open space for multifamily and mixed-use projects, according to the city's October 23 roundup.

The city's 2026 land use and density changes page describes the zoning proposal. Areas now at 60 dwelling units per acre would rise to 65. New 45-unit designations would apply along the south side of Mt. Diablo Boulevard, where land is now zoned for 35, consistent with the terms of the city's settlement with Housing Action Coalition. About two acres of DeSilva South would be reclassified for multifamily housing at up to 35 units per acre. The changes implement the city's settlement with Housing Action Coalition. The city frames them as supporting a vision of 2,114 potential downtown homes. That figure is zoned capacity, not homes approved or under construction.

Zoning sets how many homes a site can hold, and the 3458 redesign shows the developer choosing their size after entitlement. With 28 attached sales in nine months, the market here is asking for larger homes.

A Few Questions Worth Asking Directly

Are the new downtown condos for sale or for rent? Oak Hill, Blue Oak and the 3458 Mt. Diablo project are condominiums for individual ownership. The Terraces of Lafayette is an apartment project.

Do the larger new homes include below-market-rate units? At 3458 Mt. Diablo, all three below-market-rate homes are two-bedroom units in both the approved and proposed plans. Oak Hill includes 11 below-market-rate residences.

If I sell a large Lafayette house to downsize, does the sale or the purchase come first? That depends on your timing, financing and tax position. A planner, lender or tax advisor should answer it for your situation. This post is general market information, not legal, tax or financial advice.

If you own a Lafayette home and are weighing a move to one of these downtown buildings, the timing of your sale and the 2028 completion date of your next home need to be planned together. A confidential conversation with Brad Gothberg can start with what your house would sell for in today's thin market, so you can make that decision with real numbers. Request a Confidential Market Valuation.