Most homeowners do the same thing every six months or so. They type their address into Zillow, Redfin, or whatever site is in front of them, see a number, and feel one of two ways. Either it is higher than they expected and they spend the rest of the day feeling rich, or it is lower than they hoped and they spend the rest of the day quietly worried. Both reactions are completely human. Neither of them is based on real information. So let's talk about what your home is actually worth, why the number on your screen is rarely the right one, and how the real number is figured out.

The websites are running what is called an automated valuation model, or AVM. The name sounds fancy. The actual process is simpler than that. The AVM pulls public records on your house, things like square footage, bed and bath count, lot size, and year built, and then it compares those facts to broad averages of recent sales in your area. Then it gives you a number. That is essentially the whole process. The AVM has never been inside your home. It does not know that you redid the kitchen three years ago, or that your roof is brand new, or that the previous owner converted the garage without permits, so the actual livable square footage is different from what the tax records show. It does not know your block sits at the bottom of a hill where the storm drain backs up every winter, and it does not know that the house across the street just got a million-dollar remodel that is pulling comp values up for the rest of you. These misses are not small. AVMs can be off by tens of thousands of dollars in either direction, and around the Bay Area, where price points are high and block-by-block differences matter, the gap can stretch into six figures.

So if not an algorithm, then what? A handful of real things, and they are all things a human can actually see and weigh. The biggest one is recent comparable sales, which is just a fancy way of saying what did homes very similar to yours actually close for in the last few months. Not asking prices, not what the listing photos looked like, but the real number a buyer paid and a seller accepted. Then there is the condition of your home. A well-maintained house with a newer roof, updated systems, and clean finishes is worth substantially more than a tired version of the exact same floor plan. Location within the neighborhood is the piece homeowners forget. Two houses on the same street can be priced very differently depending on whether one is on the busy corner and the other is mid-block, or whether one looks out at a park and the other looks at the back of a strip mall. Upgrades matter too, but not equally. A remodeled kitchen and an updated primary bathroom move the needle hard. A new water heater does not. And then there is current buyer demand, which is basically the temperature of the market right now. Are buyers showing up to open houses? Are homes getting multiple offers or sitting? Are interest rates pulling people in or pushing them back? All of that shifts what a buyer is willing to pay for your home this month, and that picture moves constantly.

This is where a comparative market analysis, or CMA, does the work that an algorithm cannot. A CMA is what a real agent puts together when you actually need a real number. We start with sold comps that are genuinely similar to your home, not just same zip code but same size range, similar age, similar condition, similar location quality. Then we adjust. If the comp has one more bathroom than yours, we subtract for it. If yours has a renovated kitchen and the comp did not, we add it back. If the comp has a pool and you do not, that comes off. We look at what is currently active and pending too, because those are the homes a buyer is going to be comparing yours to right now. We factor in how fast homes are moving, what we are hearing from other agents about offers and conditions, and how the market has shifted since those comps closed. By the time it is done, you have a real number with real reasoning behind it. Not a guess pulled from a database. A read from someone who is in the market every day.

Here is the part that catches a lot of homeowners off guard. Knowing what your home is actually worth is useful information even if you have no plans to sell anytime soon. If you are thinking about refinancing, your equity position changes what loans and rates you qualify for. If you are weighing a HELOC to fund a remodel or pay for a kid's tuition, you need to know what you actually have to borrow against. If you have not looked at your homeowner's insurance in a few years, you might be carrying coverage that would not come close to rebuilding your house at today's costs. If you are doing any kind of long-term planning, retirement, estate, or otherwise, your home is probably your largest asset, and a number that is off by ten or fifteen percent can quietly throw the whole picture out of balance. Life also has a way of surprising people. Job changes, family changes, market shifts. The owners who already know where they stand make calmer, better decisions when something unexpected lands on the table. This is just useful information every homeowner should have.

If you have been curious what your home is actually worth in today's market, you do not need to be ready to sell to find out. We put together free, no-obligation valuations all the time, for owners who are thinking about selling in six months, in three years, or who just want a real number for their own planning. You get a real CMA, an honest read from someone who knows the Bay Area, and exactly zero pressure to do anything with the information. Reach out whenever you want a real number to work with instead of the one on your screen.