The average Burlingame single-family sale took just 13 days in July 2026, with sellers collecting 109 percent of list price against only 0.4 months of inventory. That is not a market where buyers walk away. It is a market where the thing most likely to cost you time is something a buyer never sees: the pipe running from your house to the street.
Burlingame's sewer lateral ordinance, Ordinance 1329, requires a test on any building 25 years or older before title can transfer. Most sellers hear that and assume a recent remodel takes care of it. It doesn't. The kitchen gut, the new roof, the repainted exterior, none of it touches the clock this ordinance runs on. Only two things reset it: a lateral that has already passed the city's test, or a lateral that has been fully replaced. Everything else about the house is irrelevant to this one requirement, and that gap between what buyers judge a home on and what the city actually checks is where closings stall.
The Test Runs on a Different Standard Than the Rest of Your Prep List
Most point-of-sale items in California are things you fix once and move on. Smoke detectors get installed. A water heater gets strapped. Burlingame's sewer lateral requirement works differently because of how the city chooses to verify it.
The city does not accept a video inspection. A licensed contractor plugs the lateral at the city cleanout, floods the line with roughly four gallons of water to a level two feet above the pipe, holds it for 30 minutes, and measures what's lost. In hillside sections of town where water pressure runs too high for that method, the city uses an air test instead. Either way, a city representative has to be there to watch it happen. You cannot self-certify, and you cannot hand over a contractor's video and call it done.
That single detail, a witnessed test only, sets Burlingame apart from some of its immediate neighbors, where a camera inspection alone can satisfy the requirement.
| City | Test method accepted | City rep required on-site |
|---|---|---|
| Burlingame | Witnessed water or air test only, no video | Yes |
| Hillsborough | Video or witnessed test | Varies |
| Pacifica | CCTV video inspection required | No |
The practical effect: Burlingame's process depends on the Public Works Department's calendar, not just your contractor's. You need an Encroachment Permit before the test, and the appointment has to be scheduled through the city at 650-558-7670. In a market where the average escrow moves in under two weeks, adding a step that depends on a municipal appointment slot is not a footnote. It's a scheduling risk you're taking on the moment you decide to wait until you're under contract to deal with it.
Renovation Doesn't Buy You an Exemption
Here is the part that catches people off guard. A seller who remodeled the kitchen, refinished the floors, and replaced every fixture in the house can still be sitting on a lateral that has never been tested, because none of that work touches the pipe between the foundation and the street. The ordinance's age trigger is based on when the building's permit was finaled, not when the last renovation closed out.
There are only two ways off the clock, and both are specific to the lateral itself:
- A test that passed with no repairs or only partial repairs stays valid for 10 years from the date of that test.
- A complete replacement of the line, from the building to the city cleanout, stays valid for 25 years from the date the work was accepted.
Everything else, including a full interior gut job, leaves the clock running. If the prior owner tested and passed in, say, 2017, that certification is still good today. If the last documented test predates that, or no record exists at all, the home is treated as untested regardless of how updated it looks. This is worth checking before you invest in staging, because it changes what your actual pre-listing punch list needs to include.
What the Numbers Actually Protect You Against
The test itself is not the expensive part. Current 2026 pricing for the compliance test runs $300 to $750, a cost the city leaves for the buyer and seller to negotiate between themselves rather than assigning by rule.
The exposure shows up if the line fails. Older estimates that circulate locally, some dating back more than a decade, put repair or replacement in the $1,500 to $10,000 range. That figure is stale. A realistic 2026 all-in number for a full Bay Area lateral replacement, once permits, shoring at the street connection, and surface restoration are counted, runs $8,000 to $18,000. Per-foot pricing alone understates it, because the last several feet under the sidewalk or street typically cost more to open and restore than everything under the lawn.
In a slower market, a number like that is an inconvenience you negotiate around with a credit or a price adjustment. In a market moving in 13 days at 109 percent of list, it's a different kind of cost. The buyer who wrote that offer wrote it against a specific closing date. A failed test discovered mid-escrow doesn't just cost repair money, it costs the thing that's actually scarce right now: a clean, fast close that doesn't give the buyer room to renegotiate terms while your home sits half off the market waiting on a permit and a contractor's schedule.
The house doesn't have to look old to have an old lateral. It just has to be 25 years past its last permit final, or past its last passed test.
Sequencing It Before You List, Not During Escrow
The fix here is not complicated, it's just easy to skip because it's invisible. Before you pick paint colors or book a stager, ask two questions: how old is the structure by permit-final date, and is there a documented test on file with the Building Department. If the answer is that you're past 25 years with no valid certification, get the test scheduled early. Local contractors who work directly with Burlingame's Public Works Department, including firms like J.D. Cesare Construction, which has worked Burlingame permits since 1976, and Caccia Home Services, which moved into a larger Burlingame facility in 2025 after decades serving the Peninsula, can pull the Encroachment Permit and coordinate the city appointment as part of the job rather than leaving you to manage two separate calendars.
Running this in parallel with your other pre-listing work, rather than after you accept an offer, means a failed test becomes a repair you schedule on your terms instead of a repair a buyer's attorney negotiates around your closing date.
A Few Questions Worth Asking
Does a kitchen or bathroom remodel reset the 25-year clock? No. The ordinance is tied to when the structure's original permit was finaled, not to any interior work done since. Only a passed lateral test or a full lateral replacement resets the timeline.
Who pays for the test and any repairs? The city doesn't decide this. It's a point between buyer and seller to work out in the purchase agreement, the same way many other pre-sale items get negotiated.
What if my neighbor already had theirs tested? It doesn't transfer. Each lateral is tied to its own property, and each seller needs their own current certification or valid exemption on file with the Building Department before title can move.
Sandra Comaroto has spent 23 years managing the parts of a Burlingame sale that don't show up in listing photos, from sequencing permits and inspections to coordinating the trades that keep a fast market from turning into a stalled one. If you're weighing when to list and want a straight answer on where your home's lateral history stands before a buyer's timeline forces the question, Comaroto Properties can walk through it with you. Request a personalized consultation before you set a list date, not after you're already counting down an escrow clock.
