San Carlos · San Mateo County

Cordilleras Heights

Cordilleras Heights sits at higher elevation in the western foothills, with elevated lots offering Bay views and substantial mature canopy.

Median Sale
$3,167,500
March 2026 · 24 closings

Cordilleras Heights Real Estate Market Snapshot

Median Sale Price
$3,167,500
+19.5% vs prior-year median
Avg. Days on Market
20
% List Price Received
105%
Months of Inventory
0.8
Homes Sold (March 2026)
24
Median price trend
2025 · $2,650,000 March 2026 · $3,167,500
List-price received
105%
90%100%120%+

As of March 2026 · Source: SAMCAR/MLSListings

Living in Cordilleras Heights

Cordilleras Heights occupies the western foothills of San Carlos, where the street grid bends along the contour and lots step up the hillside above the flatlands. Elevation gives many parcels a Bay-facing exposure and substantial mature canopy, with lot sizes typically ranging 7,500 to 12,000 square feet — larger than the central San Carlos average reflected in the city's 2026-03 average lot size of 11,175 sq ft (SAMCAR/MLSListings).

Housing stock blends mid-century ranches built into the slope with updated newer construction, and the neighborhood commands a premium relative to flatland San Carlos given the views, larger parcels, and quieter through-traffic. Buyers in this pocket weigh the trade-off between hillside access and proximity to Laurel Street downtown, which sits roughly a mile to the east.

Schools

Cordilleras Heights students attend schools within the San Carlos School District (K-8) and the Sequoia Union High School District, with high schoolers typically routed to Carlmont High School or Sequoia High School (San Carlos School District; Sequoia Union HSD). The K-8 district is consistently among the higher-performing in San Mateo County, which underwrites a portion of the price premium hillside parcels carry.

Lifestyle

The neighborhood's lifestyle anchors on the foothill geography: trail access toward Pulgas Ridge Open Space Preserve to the west, mature tree cover, and the elevated lot orientation that turns most rear yards into view spaces. Residents drive about a mile down to Laurel Street for restaurants, the farmers market, and the library, which keeps the pocket residential and quiet without isolating it.

Commute

Commute access runs through Alameda de las Pulgas and Crestview Drive down to Holly Street, which feeds Highway 101 and the San Carlos Caltrain station. The downhill route to Caltrain runs roughly 1.5 miles, and 280 access via Edgewood Road is a short west-side connection useful for buyers commuting toward the mid-Peninsula tech corridor or San Francisco. Hillside grades favor garage-level entries on the downslope side of most parcels.

Market

The Cordilleras Heights Market Right Now

Parent-city San Carlos posted a 2026-03 SFR median of $3,167,500 on 24 closings, with a list-price-received ratio of 105% and 0.8 months of inventory (SAMCAR/MLSListings). The 2025 annual median sat at $2,650,000 across 243 closings, so March 2026 is running roughly 19% above the 2025 annual baseline — partly mix (the March cohort's average home size was 2,599 sq ft vs the 2025 annual average of 2,063 sq ft), partly continued tight supply. Cordilleras Heights typically transacts at a premium to the citywide median given larger lots and Bay views; buyers underwriting hillside parcels here should expect the upper band of the San Carlos distribution, with average days on market in the city tracking around 17-20 (SAMCAR/MLSListings).
Transactions

What Buyers and Sellers Should Know About Cordilleras Heights

San Carlos's residential zoning uses RS-3 and RS-6 Single-Family designations rather than R-1 (San Carlos Municipal Code Chapter 18.04). For lots up to 7,500 sq ft, maximum floor area is the larger of 1,100 sq ft plus 35% of lot area, or 50% of lot area; for larger parcels the cap is 50% of lot area — a meaningful constraint for Cordilleras Heights buyers planning expansions on 9,000–12,000 sq ft hillside lots. The city's Single-Family House Size Study and design review process apply to new construction and substantial remodels (City of San Carlos Single-Family House Size Study). The Heritage Tree Ordinance protects designated trees on private property, which materially affects siting on canopy-heavy hillside parcels (City of San Carlos). At recording, San Mateo County's base documentary transfer tax of $1.10 per $1,000 of consideration applies; San Carlos imposes no additional municipal transfer tax (San Mateo County Assessor-Clerk-Recorder).
Field Notes

Market Notes by Lisa M. Lum

Recent transactions in San Carlos through Q1 2026 have concentrated in the upper price band, with the 2026-03 average sale at $3,360,182 against a $2,749,548 2025 annual average (SAMCAR/MLSListings). Cordilleras Heights inventory has been thin within that mix, and Lisa observes that hillside parcels with intact Bay views and updated systems tend to clear quickly, while properties needing foundation, drainage, or retaining-wall work sit longer and trade closer to lot value.

Updated 2026-05-06

Frequently Asked Questions about Cordilleras Heights

How does Cordilleras Heights differ from flatland San Carlos?
Lot sizes typically run 7,500 to 12,000 sq ft — larger than the citywide average — and elevation gives many parcels Bay views and mature canopy. The pocket commands a premium relative to flatland San Carlos and trades less downtown walkability for view exposure and quieter streets.
What floor area can a Cordilleras Heights hillside lot support?
Under San Carlos Municipal Code Chapter 18.04, lots above 7,500 sq ft are capped at 50% of lot area in maximum floor area. A 10,000 sq ft hillside parcel maxes at roughly 5,000 sq ft of floor area before design review and the Single-Family House Size Study constraints layer in.
Are heritage trees a constraint on hillside renovations here?
Yes. San Carlos's Heritage Tree Ordinance protects designated trees on private property and requires permits for removal of protected species. On canopy-heavy Cordilleras Heights parcels, this materially affects siting decisions for additions, ADUs, and pool placements.
How is the commute from Cordilleras Heights to Caltrain or 101?
The downhill route via Crestview Drive and Holly Street runs roughly 1.5 miles to the San Carlos Caltrain station and Highway 101 onramp. Edgewood Road provides nearby westside access to 280, which suits commuters routing toward the mid-Peninsula or San Francisco.
What is the transfer tax in Cordilleras Heights, San Mateo County?
San Mateo County charges a base transfer tax of $1.10 per $1,000 of consideration, paid by the seller at close. Some cities add a local supplemental tax. Cordilleras Heights does not impose an additional municipal transfer tax beyond the county base.
Does Cordilleras Heights require a sewer lateral inspection at sale?
Several San Mateo County jurisdictions require a private sewer lateral compliance certificate before close of escrow. The requirement varies by city — confirm with your transaction coordinator early in the listing process.
What disclosures are required when selling a home in Cordilleras Heights?
California requires Transfer Disclosure Statement, Natural Hazard Disclosure, lead-based paint (pre-1978), water-conserving plumbing fixtures, and smoke and carbon monoxide alarm certifications. San Mateo County properties may also require sewer lateral compliance and local supplemental disclosures.
What is the difference between median and average home price in Cordilleras Heights?
Median price is the middle number when all sale prices are sorted — half of homes sold above, half below. It resists distortion from a few very expensive sales. Average price is the arithmetic mean and can be skewed upward by individual high-end transactions. Median is the more reliable indicator of typical Cordilleras Heights home pricing.

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Last updated 2026-05-06 · By Lisa M. Lum, Realtor® · Coldwell Banker Realty · DRE 02005150