San Marcos Real Estate Guide

Does San Marcos have Mello-Roos, and how much?

San Marcos does carry Mello-Roos. The County Auditor's active FY 2025-26 list shows 1 community facilities district covering San Marcos, and a home there can sit inside more than one.

• San Marcos CFD 98-02 — dozens of numbered improvement areas — district 6090-xx, administered by CFD Administration, (760) 744-1050

San Marcos carries 91 active community facilities districts in the County Auditor's list — more than any other city in San Diego County. Most are improvement areas within CFD 98-02, numbered individually, and which one applies is a question about the parcel rather than the city. Anyone quoting a single 'San Marcos Mello-Roos figure' has not looked.

A Mello-Roos amount is specific to the parcel, not the neighborhood: it varies by district, improvement area and the phase a home was built in. The authoritative figure is the line item on the property tax bill, which names the district and gives a contact number.

Source: County of San Diego Auditor & Controller, Active Mello-Roos Districts (CFD) for FY 2025-2026, retrieved 2026-07-25.

What school district serves San Marcos?

San Marcos is served by San Marcos Unified School District. Attendance is assigned by address rather than by ZIP code, so two homes a few streets apart can feed different schools — confirm the specific address with the district before relying on it.

Why does San Marcos have so much Mello-Roos?

San Marcos carries 91 active community facilities districts in the County Auditor's FY 2025-26 list — more than any other city in San Diego County — because the city grew fast and late, and the infrastructure for that growth was financed through districts levied on the new homes rather than through general city funds. Most of those 91 entries are separately numbered improvement areas within a small number of parent districts.

The practical effect is that no single 'San Marcos Mello-Roos figure' exists, and any source quoting one has not looked at the list. Two houses on the same street, built in different phases, can sit in different improvement areas with different levies and different remaining terms. The authoritative answer is the line item on the tax bill for the specific parcel, which names the district and gives a contact number.

What are the different parts of San Marcos?

San Marcos splits between older and newer development in a way that maps closely onto the tax question. San Elijo Hills is a hilltop master-planned community with its own town centre, built largely in the 2000s and the heart of the city's CFD footprint. Older San Marcos around Mission Road and Richmar predates that growth. Discovery Hills, Rancho Santalina and the Twin Oaks Valley corridor sit between them, and unincorporated Lake San Marcos, adjacent to the city, is not in the city at all.

What school district serves San Marcos homes?

San Marcos is served principally by San Marcos Unified School District, a single K-12 unified district — which makes assignment simpler than in cities split across an elementary and a high school district. San Marcos Unified also extends beyond the city limits, so some homes with Carlsbad and Escondido addresses are assigned to it. District boundaries are assigned by address and are redrawn from time to time, so confirm any specific address with the district office before relying on it.

How does Cal State San Marcos affect the housing market?

California State University San Marcos sits inside the city and is one of its largest institutions, which shapes the rental market near campus and puts a SPRINTER station at its edge. For an owner-occupier the relevance is mostly traffic and rail access; for an investor it is a rental demand pattern that follows the academic year rather than the general market.