Mello-Roos by Community: Where San Diego's Special Taxes Actually Land

Key takeaways

• Mello-Roos tracks build date, not prestige. Master-planned communities from the 1990s on (Otay Ranch, 4S Ranch, Del Sur, San Elijo Hills, Bressi Ranch) almost all carry a Community Facilities District (CFD). Most neighborhoods built before 1982, when the Mello-Roos Act passed, do not.
• A single parcel can carry more than one CFD. A San Diego County Grand Jury review found 61,596 residential parcels countywide paying into more than one CFD, and 2,739 paying into six or more, in FY 2020/21.
• Mello-Roos is a special tax, not an ad-valorem property tax, and generally is not deductible on your federal return the way the base 1 percent Prop 13 rate is.
• Escalation runs the opposite way from what most buyers assume. Facilities CFDs, the ones repaying construction bonds, mostly do not escalate at all: San Marcos states flatly that the maximum rates for CFD 99-01 (San Elijo Hills) “do not increase.” Services CFDs, the ones funding ongoing police, fire, lighting, and landscaping, are the ones that climb, typically by up to 2 percent a year or by the Consumer Price Index.
• The tax runs with the land. It does not disappear when the house sells; the buyer inherits whatever term remains.
• Exact amounts and payoff years vary by village, phase, improvement area, and lot size within the same community. No article can quote your number. Confirm it against the parcel.
• CFD payments count toward the housing expense ratio on a loan application, so a high Mello-Roos bill directly reduces how much home a buyer qualifies for.

The San Diego community CFD table

The district numbers below come from the County Auditor and Controller's list of active Mello-Roos districts for FY 2025-26, which is the authoritative record of what actually appears on a tax bill. The county publishes district numbers and administrators, not dollar amounts, and it does not map most districts to community names. So this table tells you which districts to look for and who to call for a payoff quote. It does not quote your tax, because no published source can: the amount depends on the parcel, the improvement area, and in several districts the square footage of the house.

Chula Vista: the county's densest CFD cluster

Otay Ranch, Eastlake, Millenia, and Rolling Hills Ranch carry the highest concentration of active CFDs in the county. The County Auditor's FY 2025-26 list shows more than 30 separate city-level CFDs tied to Chula Vista addresses, nearly all administered by Spicer Consulting Group, plus 15 Chula Vista Elementary CFDs and 20 Sweetwater Union High CFDs layered on top.

That layering is the detail buyers miss. One Otay Ranch parcel can carry a city infrastructure CFD, an elementary school CFD, and a high school CFD as three separate line items on the same bill, each with its own administrator, its own maximum rate, and its own end date. This is why a single quoted “Otay Ranch Mello-Roos number” is meaningless: it depends on the village, the bond series, and which school CFDs the lot sits in. Spicer Consulting Group (866-504-2067) is the fastest route to a payoff quote on a specific city parcel.

San Diego's north corridor: 4S Ranch, Del Sur, Santaluz, and the ranches

4S Ranch, Del Sur, Santaluz, and Black Mountain Ranch sit inside the Poway Unified School District attendance boundary (4S Ranch itself is unincorporated county land, not city of San Diego proper). The county's active list shows Poway Unified running CFD #2 through #16, several of them split into improvement areas. Real estate sources routinely attach a specific CFD to a specific community, 4S Ranch to CFD #6 being the common one, but the county does not publish that mapping and neither will this article. KeyAnalytics (877-575-0265) administers all of them and will confirm by parcel.

One correction worth flagging, because it circulates widely: Poway Unified CFD #15 was widely reported as on track to retire early, around 2023. It has not. Both CFD #14 and CFD #15, including CFD #15's improvement areas A through D, appear on the County Auditor's active list for FY 2025-26. A Del Sur buyer should assume the school CFD is live and ask KeyAnalytics for the remaining term. Black Mountain Ranch is the clearest example of stacking in the corridor: it carries a city of San Diego CFD (Black Mountain Ranch Villages CFD #4) and a Poway Unified CFD (#12) at the same time, on separate line items with separate end dates.

Pacific Highlands Ranch and Torrey Highlands are newer still, part of what was historically called the North City Future Urbanizing Area. Neither has a city of San Diego CFD on the county's FY 2025-26 list, though parcels can still sit inside a San Dieguito Union High or Del Mar Union school district CFD. Civita, the infill project on the old Mission Valley gravel pit site, is the surprise: despite its scale and build date, no Civita CFD appears on the county's active list at all.

San Marcos: the most fragmented CFD structure in the county

San Marcos runs more CFD sub-districts than any other city in the county, and they are frequently misattributed. The clean version, per the city's Finance Department: San Elijo Hills is CFD 99-01, and CFD 99-01 has 28 improvement areas, each with its own bond schedule. Creekside Cottages is not a separate district; it is Improvement Area C2B inside CFD 99-01.

The citywide districts are separate things entirely and are easy to mistake for San Elijo districts because they show up on the same San Elijo tax bills. CFD 98-02 is the citywide lighting and landscaping district (its sub-areas are F-zones, one of which, F-9, maintains San Elijo Hills Park). CFD 98-01 and CFD 91-02 are citywide police and fire. CFD 88-1 is Paloma/Santa Fe Hills, a different neighborhood.

The trap for San Elijo Hills buyers is that the bond maturity and the tax term are not the same date, and in six improvement areas the tax outlives the bonds by nearly a decade. The San Marcos guide works through the full improvement-area table.

Carlsbad: newer master plans carry it, older tracts mostly don't

Carlsbad's CFD exposure splits along build date within the same city. The county's active list shows only two city-level Carlsbad CFDs (CFD #1, and CFD #3 covering the Faraday/Melrose areas) alongside four Carlsbad Unified School District CFDs (#1, #3, #4, #5), all administered by Willdan (866-807-6864). The county does not map any of them to community names, so La Costa Greens, Oaks, Ridge, Bressi Ranch, and Robertson Ranch all have to be checked at the parcel level rather than by neighborhood. What holds as a rule of thumb is the split: Carlsbad's older coastal tracts and original village core generally carry no CFD at all.

Escondido, Poway, Santee, and Oceanside: CFDs cluster at the edges

These four cities show the same pattern at smaller scale: Mello-Roos clusters in the newest, outermost development, not the historic core.

Escondido's four active city CFDs, Hidden Trails (2000-01), Eureka Springs (2006-01), The Villages (2020-2, the former Escondido Country Club site), and the newer Eclipse/Mountain House project (2022-1), all sit in the city's growth areas and all route through the Special District Financing Authority (877-575-0265). Escondido Union School District adds a fifth, CFD 2019-1.

Santee's Weston development is the cleanest illustration of a distinction that matters everywhere else in this article. It carries two parallel 2017 CFDs: CFD 2017-1 for infrastructure (streets, sewer, utility lines) and CFD 2017-2 for ongoing municipal services (police, fire, park maintenance). The infrastructure CFD ends when its bonds are paid. The services CFD has no maturity date and can be levied indefinitely. If you only ask “when does my Mello-Roos end,” you will get a misleadingly short answer on a parcel that carries both.

Oceanside's CFDs sit mostly in Ocean Ranch, Morro Hills, the El Camino corridor, and the Pacific Coast Business Park, plus districts formed in 2022 and 2023, all administered by DTA (800-969-4382). Poway's own exposure runs through the Poway Unified numbers above, since the district's growth-area CFDs span both incorporated Poway and the unincorporated county land to its south.

Communities with little or no Mello-Roos

Most of the county's pre-1982 housing stock has no CFD, because the Mello-Roos Community Facilities Act did not exist when these neighborhoods were built and their infrastructure was already financed conventionally. That includes most of El Cajon, most of La Mesa, and the older core neighborhoods of the city of San Diego: North Park, Normal Heights, Point Loma, Clairemont, Mission Hills, Hillcrest, Pacific Beach, Ocean Beach, and University City. Most of Coronado falls in the same category, built out largely in the early and mid-20th century.

This is not an absolute rule. Infill lots, redevelopment parcels, or small service CFDs can appear even in older neighborhoods. Treat “generally no Mello-Roos” as a strong starting point, not a guarantee, and confirm the specific parcel.

How to check any specific address

• Pull the current property tax bill. The county splits it into an ad-valorem section (the roughly 1 percent Prop 13 base rate) and a fixed-charge special assessment section. Any CFD appears in the second section, labeled “CFD” plus a name or number, never the term “Mello-Roos” itself.
• Use the county's Special Assessments portal (specialassessments.sandiegocounty.gov), searchable by parcel number, for the full current-year breakdown.
• Check the County Auditor and Controller's active CFD list, published annually and linked from the Assessor's Mello-Roos page, which maps each CFD code to its administrator and contact number.
• Request the seller's Notice of Special Tax disclosure. California law (Civil Code Section 1102.6b, plus Government Code Sections 53328.3, 53340.2, and 53341.5) requires this on any property subject to a CFD lien, and it must state the CFD name, current tax, maximum allowable tax, annual increase cap, and expiration date.
• Ask the administrator for a payoff quote directly. Spicer Consulting Group, Willdan, KeyAnalytics, Koppel & Gruber, and similar firms will provide a remaining-balance and maturity estimate for a specific parcel on request.

Common questions

Can one house have more than one Mello-Roos CFD? Yes, more often than buyers assume. A 2021/2022 San Diego County Grand Jury review found 61,596 residential parcels countywide paying into more than one CFD, and 2,739 into six or more. An Otay Ranch or Del Sur parcel routinely stacks a city or county infrastructure CFD with one or two school district CFDs.

Is Mello-Roos tax deductible? Generally, no. The federal deduction covers ad-valorem taxes assessed at a like rate on a property's value. Mello-Roos is a non-ad-valorem special tax tied to a district's bonds or services, so it typically falls outside that deduction. A narrow IRS exception exists for assessments funding maintenance or interest rather than capital improvements, but the taxpayer carries the burden of proof on audit. This is not tax advice; confirm with a professional.

Does Mello-Roos go away when I sell the house? No. The lien is recorded against the parcel, not the owner, so it transfers automatically with whatever years remain on the bond. Selling does not retire the tax; only maturity or early payoff does.

How much can the tax increase each year? This works the opposite way from what most buyers expect. Facilities CFDs, the bonded ones, mostly do not escalate: San Marcos states that most facilities CFDs do not increase annually, and that the maximum rates for CFD 99-01 (San Elijo Hills) “do not increase” at all. Services CFDs, which fund ongoing police, fire, lighting, and landscaping, are the ones that climb, typically by up to 2 percent a year or by the Consumer Price Index. San Marcos CFD 88-1 shows both mechanisms on one bill: its facilities tax rises 0.5 percent a year, its services tax 2 percent. Every CFD has a maximum rate it cannot exceed, stated in the Notice of Special Tax you receive as a buyer.

Will Mello-Roos affect how much house I can afford? Yes. Lenders include CFD special taxes in total housing expense for the debt-to-income ratio, same as base property tax and HOA dues. A property with $6,000 a year in Mello-Roos carries roughly $500 a month more in qualifying expense, which can cut the maximum loan amount by tens of thousands of dollars. The income needed to buy a $1M home in San Diego guide runs that arithmetic by loan program and debt-to-income ratio.

What is the difference between a school district CFD and a city or infrastructure CFD? A school district CFD (Poway Unified, Chula Vista Elementary, Sweetwater Union High, San Marcos Unified, Carlsbad Unified) funds school construction and sometimes ongoing facility costs. A city or county infrastructure CFD funds roads, parks, storm drain, sewer, and open space. Both can be levied on the same parcel at once, as separate line items with separate administrators and expiration dates.

Get the number for your address

Every figure above is a range. Your parcel has one specific number, one specific expiration date, and it belongs on your monthly cost breakdown next to the mortgage payment, the HOA, and the base property tax. Generate your free San Diego property report and see the actual CFD line items for any address, sourced and dated.

Related reading

• What Is Mello-Roos? A San Diego Homebuyer's Guide
• How Much Income It Takes to Buy a $1M Home in San Diego
• Rent vs. Buy in San Diego
• The Supplemental Tax Bill, Explained
• VA Loans in San Diego
• Prop 19 for Move-Up Buyers
• San Marcos Property Report: San Elijo Hills and CFD 99-01
• Chula Vista Property Report
• Oceanside Property Report
• Carlsbad Property Report
• El Cajon Property Report

Sources

• County of San Diego Auditor and Controller, Active Mello-Roos Districts (CFD) for FY 2025-2026
• County of San Diego Assessor/Recorder/County Clerk, Mello-Roos overview
• San Diego County Special Assessments portal
• 2021/2022 San Diego County Grand Jury Final Report, Community Facilities Districts
• California Civil Code Section 1102.6b, Mello-Roos disclosure requirement (FindLaw)
• Is Mello-Roos Tax Deductible? (TurboTax Blog)
• City of San Marcos, CFD (Mello-Roos) index and Q&A
• City of San Marcos, CFD 99-01 (San Elijo Hills): improvement areas, bond maturity, and term of special tax
• City of San Marcos, CFD 98-02 (Lighting and Landscaping)
• City of San Marcos, CFD 88-1 (Paloma/Santa Fe Hills)
• City of San Diego, Community Facilities District (Mello-Roos) Reports
• Poway Unified School District, Community Facilities Districts
• San Marcos Unified School District, CFD Disclosure Documents
• sounding.report, What Is Mello-Roos?