How many of downtown Mill Valley's dark windows are actually empty? Walk from Lytton Square up Throckmorton toward East Blithedale and the brown paper suggests a downtown in retreat, but fewer than half of those spaces are waiting on a tenant.
In August, the Mill Valley Briefing walked every block of downtown and counted 93 street-level storefronts. Sixteen had no open business. Only seven of those had no tenant lined up. The other nine had signed tenants that were still renovating. Since that count, some of the nine have opened. Taken together, the signed tenants point downtown toward dinner reservations, kids' shops and co-working rooms.
Sixteen Dark Windows, Seven Truly Empty
The difference between those two numbers matters. By the Briefing's math, the seven spaces with no future tenant put downtown's real vacancy rate as of mid-August 2026 at 7.5%. Cushman & Wakefield figures cited in the same report put the national retail vacancy rate at 6% in the second quarter of 2026, with a historical average of 7.4%. That puts downtown Mill Valley's real vacancy rate almost exactly at the long-run norm.
The street feels different because a pedestrian can't walk into a space under renovation. Count all 16 dark storefronts and the figure rises to 17.2%. Some of those buildings sat empty for years, including 57 and 60 Throckmorton, even after new tenants were confirmed. For comparison, the Briefing cited a block-by-block survey of downtown Evanston, Illinois, that found 21% vacancy earlier this year. It also reported vacancy near or above 10% in San Francisco's Union Square and Fisherman's Wharf corridors.
So most of the brown paper on Throckmorton is temporary. The bigger question is why so many leases landed at once.
The Rules Changed Before the Leases Did
The wave of signings came after the city rewrote how a business gets permission to open downtown. The Briefing reported the changes. A November ordinance removed new parking requirements for most changes of use under 5,000 square feet. In April, the City Council adopted a zoning rewrite, effective May 20, that replaced the old Conditional Use Permit process with a faster Administrative Use Permit for most ground-floor businesses.
Councilmember Urban Carmel described the old cost to the Briefing in terms any shop owner would recognize:
"Putting $8,000 or $10,000 into the city coffers before I even sell one item is just a huge hurdle."
According to Senior Planner Daisy Allen, as quoted in the same report, the new administrative permit fee is $1,954. The standard use permit fee went from $7,339 to $5,647. These figures come from the Briefing's reporting, so anyone planning a storefront of their own should confirm the current requirements and fees directly with the City of Mill Valley. This is general information, not legal or financial advice.
Lower fees and a shorter process reduce what a new business spends before it opens. Here are the incoming tenants the Briefing named in August, with their status today.
The Signed Spaces, Address by Address
| Address | Previously | Incoming tenant | Status heading into November 2026 |
|---|---|---|---|
| 17 Throckmorton | El Paseo | Lima Nikkei, Peruvian-Japanese restaurant | Open, taking reservations |
| 12 Miller Ave. | Sprout | Milkweed, children's clothing, gear and toys | Open daily 10 a.m. to 5 p.m. |
| 38 Miller Ave., Suite 9 | Gravity Tavern | Delphine, Mediterranean restaurant | Targeting late November |
| 34 Miller Ave. | Urban Remedy | Bootjack, coffee and bakery | "Coming back soon," no date |
| 60 Throckmorton | Bank of America | Treehouse MV, retail and co-working | Signed as of August |
| 55 Sunnyside Ave. | Post Office | Wonderhouse, family co-working | Announced for "this fall" |
| Throckmorton | Not specified | Indoorra, kitchen systems | Signed as of August |
A real estate office has also signed at 55 Throckmorton. On Miller, Dorado 806 used 38 Miller Avenue for a temporary art exhibition, "Lesser Known Monsters," which ran from September 18 to October 17.
Two Openings Already Behind the Glass
Lima Nikkei opened in the former El Paseo space at 17 Throckmorton. Founder and owner Edwin Sandoval built the menu on the meeting of Peruvian and Japanese cooking: sushi, tiradito, ceviche, robata, katsu and cocktails. The restaurant's site lists dinner hours of 4 to 9 p.m. Sunday through Thursday and 4 to 10 p.m. Friday and Saturday, and takes online reservations. That's a dinner restaurant on Throckmorton's most recognizable restaurant address, not a lunch counter aimed at day-trippers.
Milkweed opened in late summer at 12 Miller Avenue, in the old Sprout space. Owner Cissy DeLuca describes it as a curated source of natural clothing, gear and toys for babies and kids, with a children's play space inside. The shop held a grand opening on Saturday, September 12, and Milkweed lists daily hours of 10 a.m. to 5 p.m.
A kids' store with room to play fits with another signed tenant, Wonderhouse, a family co-working space planned for the former Post Office at 55 Sunnyside. Together, they point to a downtown where parents have more places to spend a weekday.
Miller Avenue Is Next
The short stretch of Miller Avenue just below the plaza is where the next openings are due.
Delphine is moving into the former Gravity Tavern space at 38 Miller Avenue, Suite 9, in Mill Creek Plaza. In its October 25 issue, the Briefing reported that owner Betül Akdag Kinalilar, who also runs Troya in San Francisco and Troya Mediterranean in Tiburon, is aiming for a late November opening, possibly Thanksgiving week. The date depends on the remaining approvals, and the last outstanding step is the health department's final inspection. Tiburon diners already know the Troya kitchen, so Delphine arrives with a local following.
Bootjack is coming back at 34 Miller Avenue, the former Urban Remedy storefront. WhatNow reported on October 25 that the business's Instagram says it is "rounding the corner." It describes itself as a coffee, bakery and to-go bites spot on the plaza, with food made in its commissary kitchen. Longtime residents may remember Bootjack from 17 Madrona Street, where it opened in September 2020 in the former Bay Village Bakery space, baking naturally leavened bread in a wood-fired Alan Scott oven. The new menu, hours and reopening date haven't been announced.
If both open on schedule, the plaza end of Miller will cover morning coffee and dinner within a few doors of each other. That's the same mix Lima Nikkei and Milkweed have started on Throckmorton and lower Miller.
The Seven Addresses Still Waiting
These are the spaces that had no tenant announced as of the August count:
- 23 Sunnyside, formerly Kim Eagles-Smith Gallery, where work was underway inside
- 32 Miller Avenue
- 77 Throckmorton, formerly Mili
- 88 Throckmorton, formerly Peet's Coffee
- 108 Throckmorton, formerly Chandler Gallery
- 111 Throckmorton, formerly Two Neat
- 153 Throckmorton, formerly Oska
Five of the seven are on Throckmorton between 77 and 153, the busiest walking stretch downtown. Jim Welte, executive director of the Mill Valley Chamber of Commerce, told the Briefing that part of what keeps some corners dark is "developers who have money to purchase, but don't yet have a vision for their space." The newer permit process makes it cheaper for a tenant to say yes. It doesn't decide what an owner wants in the space.
The Briefing keeps a downtown storefront tracker and says it updates the map as soon as it confirms an opening or a new tenant. If a new sign goes up at 88 or 111 Throckmorton, the tracker is the quickest place to check it.
Winterfest Will Show How Far It Has Come
The next big downtown day is Winterfest on Sunday, December 6, 2026. It's free and starts at 1 p.m., with performances, Santa, a community tree lighting and new holiday lighting at Depot Plaza and beyond. The Chamber's two listings disagree on the end time, one saying 4 p.m. and the other 5 p.m. The same day, a Gingerbread House Decorating Party runs at the Assembly Wealth Event Space, 319 Miller Avenue, with sessions at 11 a.m. and 1 p.m. Tickets are $65 per participant.
If Delphine's late November target holds, Winterfest will be its first big downtown weekend. It will also be the first holiday crowd for Lima Nikkei and Milkweed, a few blocks from the Depot Plaza tree.
At Stephanie Pratt, we follow downtown Mill Valley storefront by storefront, because what opens near a home shapes the daily life that comes with it. If you'd like a private conversation about how these changes downtown bear on your home's value or your timing, schedule a confidential consultation.
