# Two Doors From Geneva: What One Permit Says About San Francisco.

*Real Talks — SF Construction Watch*

There is a narrow alley in Crocker-Amazon called Royal Lane. It runs off Morse Street, a couple of blocks from Geneva, close enough to McLaren Park that you could walk a dog there and be back before your coffee went cold. It is not a street most San Franciscans could find on a map. There are no towers here, no cranes, no ribbon cuttings. And yet a permit filed this month at 61 Royal Lane tells you more about how this city actually builds housing than any headline about an AI fortune or a downtown high-rise.

Here is what is happening on that lot. A vacant rear structure is coming down. In its place: a four-bedroom home and a two-bedroom accessory dwelling unit — roughly 3,000 square feet of new housing, thirty feet tall, with room for one car and two bikes. The estimated construction cost is around half a million dollars. No grand timeline. Just one owner, one architect, and one lot deciding to add two homes where there used to be space for none.

I keep coming back to a small detail in the filing. Back in January, this same parcel was drawn up as a duplex. By June, it had been reworked into a single-family home plus an ADU. That is not a random change. That is an owner doing the math — on what gets approved fastest, on what a lender will finance, on what actually pencils in 2026 — and landing on the configuration that pairs a primary home in the front with a flexible second unit in the back. Multiply that one quiet decision across the city and you have the real story of San Francisco housing supply.

## The hype and the alley

We spend a lot of energy talking about the dramatic version of this city. The tech money. The IPO wave. The fear that a flood of new wealth will price everyone out, or the hope that it will lift the whole market. And there is truth in some of that at the very top — the trophy listings, the multiple offers, the homes still selling in under two weeks and going well over asking.

But the housing the market is shortest on — mid-priced homes for first-time and budget-conscious buyers — does not get built that way. It gets built the way 61 Royal Lane is getting built: one parcel at a time, by ordinary owners, in the outer neighborhoods most people overlook. This is the “missing middle” everyone in city planning keeps talking about, and it does not arrive as a wave. It arrives as a trickle of permits on alleys you have never heard of.

That is also why it is slow. A single home plus an ADU is a meaningful contribution, but it is one project, one owner, one bank, one set of approvals. The density reforms moving through the city are an attempt to make a thousand of these decisions easier at once. Royal Lane is what success looks like at the smallest possible scale — and what the city is trying to make ordinary.

## Why Crocker-Amazon, of all places

There is a reason this is happening out here and not in Pacific Heights. Crocker-Amazon is one of the more attainable corners of San Francisco. And attainable matters more than ever right now, because the people who most want to buy are the ones being kept out.

Industry research keeps landing on the same point: the desire to own has not faded. The vast majority of would-be buyers say they want a home of their own one day; a large share simply doubt they ever will. The typical first-time buyer is now around forty, and a growing number are purchasing on their own, earlier, and on their own terms. The barrier is not desire. It is price — which is exactly why attainable, well-located homes matter so much, because they are the missing piece for anyone who is ready to buy but boxed out by cost.

So when I see a permit like this, I do not just see a construction project. I see a possible entry point for a buyer who has been priced out everywhere else — a primary home plus a flexible second unit that can be the rental that makes the mortgage pencil, a home office, or extra living space as needs change.

## What this gives buyers — and the side effects

If you are the one buying, a home like this is not just a place to live. It is a small financial machine, and it is worth understanding both what it does for you and what comes attached.

Start with the upside. A primary home with an ADU means built-in flexibility from day one. That second unit can be a rental that helps you carry the mortgage — and in many cases a lender will count a portion of that projected rent toward what you qualify for, which can be the difference between reaching a neighborhood and watching it from the sidelines. It can just as easily serve as flexible living space — a home office, room for guests, or a multigenerational setup — depending on what a household needs. And because it is new construction, you are stepping into modern systems, better insulation, lower energy bills, and far fewer of the surprise repairs that come with San Francisco’s hundred-year-old housing stock. In a cooling market, newer well-built homes in attainable neighborhoods also tend to hold their footing better than tired listings that need work.

Now the side effects, because I would rather you hear them from me than learn them later. A new home with an ADU usually carries a higher price per square foot than older stock, so “attainable neighborhood” does not always mean “cheap” — you are paying for the newness. If you rent out that ADU, congratulations, you are now a landlord, and San Francisco’s tenant protections and rent rules are among the strictest in the country; that income is real, but so are the responsibilities. Counting ADU rent toward your loan involves appraisal and lender rules that vary, so it needs to be confirmed early, not assumed. Lots like these are often compact, on narrow lanes, with parking for a single car — a genuine lifestyle tradeoff if you have two cars and a long commute. Your property taxes will be based on the new, higher assessed value. And if you are buying new construction or building yourself, the timeline is rarely tidy.

None of this is a reason to walk away. It is a reason to walk in clear-eyed. The buyers who do best with these homes are the ones who understand they are buying a small system, not just four walls — and who plan for the second unit on purpose rather than as an afterthought.

## What it means for the homes already on the block

A new build does not just affect the buyer who lands there. It ripples out to every house already standing nearby, and those neighbors feel it in ways worth naming too.

The good news for existing owners is mostly about value and signal. This project replaces a vacant structure, and removing a dead or blighted lot almost always helps the block — empty buildings drag a street down, finished homes lift it. A well-built new home also becomes a fresh comparable sale in the area, and strong comps nearby tend to pull surrounding values up, not down. It is a vote of confidence in a neighborhood, the kind that brings more buyers looking and more life to the local corner store. And for any neighbor who has quietly wondered whether their own backyard could hold an ADU, a project like this is living proof that it pencils right down the lane.

Here is the reassurance I give existing owners most often, because the fear is so common: under Proposition 13, a neighbor building new or selling high does not reassess your property. Your assessed value — and your tax bill — only move when *you* sell or build on your own lot. A pricier block around you lifts what your home could fetch without touching what you owe each year. That is a rare bit of California math that works in the homeowner’s favor.

Now the side effects for the neighbors. The build itself brings months of noise, dust, trucks, and squeezed street parking — real, if temporary. Once it is up, a new thirty-foot structure can mean a lost sliver of sky, a window that now looks toward yours, or one more car competing for the curb. More ADUs on a block also means more renters and a slowly shifting owner-occupant mix, which some neighbors welcome and others do not. And there is a quieter comp effect that cuts the other way: as shiny new construction sets the high end, an older un-renovated home next door can start to look dated by comparison, which is something to weigh if a sale is in your near future.

If you own nearby and you are watching this go up with mixed feelings, that is fair — and it is exactly the moment to understand where your own home sits in the new picture, whether that is leaning into an ADU of your own or simply knowing your number before the block finishes changing.

## What I’m watching

One permit is not a trend. But it is a tell. As the broader market cools and buyers get more patient, the homes that keep moving will be the ones priced honestly in neighborhoods people can actually afford — and the supply that helps is the supply being added lot by lot, owner by owner.

I am going to keep tracking these filings as they come through, the small ones especially, because the alley tells the truth before the headline does. If you own a lot with room in the back, an underused garage, or a vacant structure you have been wondering about, this is exactly the conversation I love having. Sometimes the most valuable thing on your property is the house that is not there yet.

Born in Korea. Built in SF.

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*Ichi Halvorson, REALTOR® — Golden Gate Realty & Finance — DRE #01973163*

*[ichihalvorson@goldengate365.com](mailto:ichihalvorson@goldengate365.com) · goldengate365.com · @ichi.sf.realtor*

*Equal Housing Opportunity*

This post is for informational purposes only and does not constitute legal, financial, or tax advice. Please consult a licensed professional for guidance specific to your situation.