
In a handful of unincorporated Redwood City blocks, longtime residents are watching their modest, family-sized houses disappear behind plywood fences and towering cranes. In their place: much larger homes that loom over backyards, change sightlines, cast new shade and, critics say, quietly push permitting and utility headaches onto the neighbors next door. The pattern has locals wondering whether the rules that enable this wave of rebuilding are really protecting the neighborhoods they are supposed to serve.
In today's guest column, Ferzeen Chhapgar, a resident of unincorporated San Mateo County, spelled out how that looks on her own street. As reported by San Mateo Daily Journal, Chhapgar says developers and spec builders often outbid local families, tear down modest homes and replace them with much larger houses that can technically comply with the rules while ignoring the scale and rhythm of older blocks.
County Rules Can Deliver Big Bills Next Door
According to San Mateo County Public Works, properties inside county-maintained sewer districts typically have a private sewer lateral that runs from the building to the public sewer main. Property owners are on the hook for inspecting, maintaining and repairing that lateral. County guidance says a Sewer Inspection Permit is required for work on the lower lateral, and that plan reviews or encroachment permits may be needed when construction touches the public right-of-way.
In practice, those rules can leave sellers, buyers and adjacent homeowners haggling over who pays when an aging lateral fails or when a big rebuild rattles or disturbs underground pipes. When a teardown triggers new work in the street, neighbors can find themselves dragged into technical disputes and unexpected costs they did not plan for.
San Mateo City Shows How Costs Land On Owners
San Mateo has taken a similar approach inside city limits. The city’s Private Sewer Lateral ordinance defines an owner’s responsibility all the way to the wye connection at the city main, and it ties inspections and repairs to events such as property sales and major building permits. That makes clear who pays when there is a problem, and when the lines must be checked.
The city also runs a Sewer Lateral Cost Sharing Program to help qualifying residents cover the cost of expensive replacements, offering one concrete example of how policy can ease the burden. Residents in unincorporated pockets who do not have access to comparable programs or formal design-review tools say they feel the gap when big projects go up next door and the financial and physical impacts are not evenly shared.
Setbacks Pass, But Lived Reality Fails The Vibe Check
Chhapgar notes that developers can satisfy setback rules and other technical standards and still end up with new houses that dwarf neighboring cottages and yards. In her words, legality alone does not make it thoughtful planning.
That tension between a new owner’s clear legal right to redevelop and neighbors’ interest in privacy, sunlight and mature landscaping is playing out across the Peninsula. As more older homes come down, residents are asking whether existing codes really capture what makes their streets feel livable, or if they simply measure boxes on a checklist while everyday quality of life slips.
What Neighbors Are Asking For From The County
Locals in unincorporated Redwood City are now pressing county supervisors and planning staff for changes. They want tools like compatibility design guidelines, stronger review for outsized rebuilds, and targeted help with infrastructure repairs in unincorporated zones where support programs may be thin.
Some residents also point to annexation talks as a longer-term way to better align services and protections with the taxes they pay and the local voice they want. Any serious shift would require public hearings and detailed policy work, so for the moment, neighbors are lining up questions for the county’s Public Works and Planning departments and looking for leverage in the existing rules.
The quiet fight now unfolding in these unincorporated Redwood City neighborhoods underscores how growth and stewardship can collide at the property line. County and city decisions from inspection rules to cost-sharing programs and design standards will shape whether long-standing communities keep their human scale as the new big houses keep rising.









