Los Cabos Infrastructure: Every Major Project Reshaping the Cape Through 2028

Los Cabos is spending billions on infrastructure right now — and every project reshapes the property map. A highway underpass just cut airport transfers by 25 minutes. A second desalination plant comes online late 2026. The airport is getting a 40% larger terminal. I track this because infrastructure spending is the most reliable leading indicator of property value changes. Here is every major project and what it means for buyers.

The Highway Underpass: Already Delivered

The single most impactful infrastructure project of 2026 is already complete. The Fonatur roundabout — previously the worst traffic bottleneck in Los Cabos — now has a 780-meter sunken underpass that allows through-traffic to pass underneath the intersection entirely. The intersection above was redesigned with synchronized signals and renamed the Free Women's Roundabout.

The practical impact is immediate and significant. During peak travel hours (Friday afternoons, holiday weekends), the drive from SJD airport to Cabo San Lucas used to take 60–90 minutes because traffic backed up at this single point. That same drive now takes 35–50 minutes. For residents making the Corridor-to-CSL commute daily, the time savings compound into hours per week.

Property Value Impact

The El Tezal corridor and the Fonatur neighborhood are the primary beneficiaries. Both areas were penalized by their proximity to the congestion — buyers who liked the locations avoided them because the daily traffic experience was punishing. Since the underpass opened, listing prices in El Tezal have increased 5–8%, and the pace of sales inquiries for Fonatur condos has roughly doubled according to local agents I work with.

The lesson for buyers: infrastructure completion does not create value from nothing — it unlocks value that geography already supported but traffic congestion suppressed.

Water Infrastructure: The Critical Bottleneck

Water is the single biggest constraint on Los Cabos growth. The region serves approximately 350,000 permanent residents and hosts over 3 million tourists annually. The existing municipal water system was designed for a fraction of that demand, and the gap between supply and consumption has been the defining infrastructure challenge of the past decade.

Second Desalination Plant

The second desalination plant in Cabo San Lucas was expected to be completed in October 2026. Recent federal cooperation under President Sheinbaum has accelerated the timeline. This plant will supplement the existing desalination and well system, providing a more reliable municipal water supply for Cabo San Lucas proper.

For property owners, the desalination plant matters in two ways: reduced risk of water rationing during peak summer months, and fewer barriers to new construction permits. Developments that have been delayed by water supply concerns may accelerate once the plant is operational.

Private Desalination

Several luxury developments have built or are building their own desalination and water treatment systems — a trend that accelerated when municipal supply became unreliable. Pedregal runs its own desalination plant, providing residents with water independence from the municipal system. Costa Palmas invested in private water infrastructure from the start. Multiple additional private projects are planned for 2027.

This is a meaningful due diligence item for buyers. Ask every development: where does your water come from? If the answer is "municipal supply only," understand the risk profile during dry months. If the answer is "our own desalination plant," that is a significant value add worth paying for.

SJD Airport Expansion

The SJD International Airport expansion is a 7 billion peso (approximately $400M USD) investment plan that includes:

• Consolidated terminal: 40% larger than the current facility, replacing the current split between Terminal 1 and Terminal 2 with a single integrated building
• Additional gates: Capacity for more simultaneous flights, reducing bottlenecks during peak arrival/departure windows
• Self-service facilities: Automated check-in, bag drop, and immigration processing to reduce wait times
• Road access upgrades: Improved highway connections to reduce the ground-side congestion that currently plagues arrival and departure periods

Target completion: 2029. The phased approach means incremental improvements will begin appearing before then — additional gates and ground-side upgrades are expected to deliver first.

Airport Capacity = Buyer Pipeline

Every new direct flight route to Los Cabos historically correlates with increased real estate inquiry volume from that origin city within 6–12 months. SJD currently handles direct flights from 40+ North American cities. The expanded terminal could support 60+ routes. Each new route opens a buyer pipeline that did not previously exist — or upgrades an existing route from seasonal to year-round service.

The 2026 flight additions already demonstrate the pattern. New direct service from Nashville, Raleigh-Durham, and Pittsburgh has generated measurable increases in buyer inquiries from those metro areas.

Downtown Rehabilitation Projects

A 140 million peso rehabilitation project covers both Cabo San Lucas and San Jose del Cabo downtowns as part of the Unidos por Los Cabos master plan. The scope includes:

• Cabo San Lucas: Street repaving, sidewalk widening, improved drainage, updated street lighting, and landscaping along the main commercial corridors from the marina to the downtown core
• San Jose del Cabo: The Fonatur roundabout redesign includes thousands of square meters of new sidewalks, dedicated bike paths, improved pedestrian crossings connecting the hotel zone to residential neighborhoods, and enhanced lighting and landscaping

For property owners in Fonatur and downtown San Jose, the pedestrian improvements are particularly meaningful. Fonatur is already one of the most walkable neighborhoods in Los Cabos — new sidewalks and bike paths strengthen that advantage and make it easier to live car-free or car-light, which is a significant quality-of-life factor for retirees and remote workers.

Road and Highway Projects

Beyond the Fonatur underpass, several road projects are underway or planned:

• Airport access road improvements: Expanded lanes and improved signalization on the roads connecting SJD to Highway 1, expected to be completed by mid-2027
• Corridor highway lighting: Enhanced street lighting along the Transpeninsular Highway between San Jose del Cabo and Cabo San Lucas, improving safety for the late-night and early-morning commute
• East Cape road improvements: Incremental paving and grading on the roads connecting Los Barriles to Cabo Pulmo, though the timeline remains indefinite

What It Means for Buyers

Infrastructure spending is the most honest signal a real estate market sends. Governments and developers do not invest billions in a market they expect to shrink. The current infrastructure push confirms what the market data already shows: Los Cabos is expected to continue growing, and the public and private sectors are investing to sustain that growth.

For buyers timing their entry, the practical playbook is:

• Buy near planned infrastructure, not completed infrastructure. The Fonatur underpass has already lifted nearby values. The SJD airport expansion has not yet priced into East Cape properties — but it will once additional flights make the region more accessible.
• Water independence is a premium. Properties in developments with private desalination systems carry lower risk and higher resale appeal. This was a nice-to-have five years ago; it is increasingly a must-have.
• Downtown walkability is increasing. Fonatur and downtown San Jose del Cabo are becoming more livable as pedestrian infrastructure improves. For buyers who value walkability over resort amenities, these areas offer strong value at lower price points than the Corridor.