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Hillsborough Knolls Real Estate | Hillsborough, CA

Hillsborough Knolls Real Estate | Hillsborough, CAListings

Hillsborough Knolls Homes for Sale in Hillsborough, CA

Hillsborough Knolls homes for sale sit inside one of the Peninsula’s most exclusive communities, where the 2026 median home price runs around $5.8 million. Hillsborough is purely residential by design — the town excludes all commercial development — so the setting stays quiet and uninterrupted. Buyers here get the Hillsborough City School District’s K-8 schools, a 24-hour town police department, and an estate residential character that has kept this one of California’s most consistently desirable luxury addresses.

The Knolls sits on gently rolling terrain, so elevation is the biggest variable from one property to the next. Some homes take a knoll-top position with the views and visual interest that come with it; others sit lower on the slope. Expect estate-scale residential properties throughout, consistent with the rest of Hillsborough.

Hillsborough Knolls Real Estate | Hillsborough, CA

Hillsborough Knolls is a knoll estate neighborhood in Hillsborough, on the rolling knoll terrain in the central portion of the town. Hillsborough Knolls provides the rolling terrain residential character that the gentle knolls of central Hillsborough create. The community provides direct access to Hillsborough’s amenities, schools, and employment corridors while maintaining its own residential identity.

Neighborhood Character

Hillsborough Knolls reflects the residential pattern of Hillsborough’s knoll estate areas, with the property mix, lot sizes, and streetscape character that the neighborhood’s position within the city defines. Buyers drawn to this area prioritize the specific combination of location, school access, and price point that Hillsborough Knolls delivers within the Hillsborough market.

Market Position

$5M–$8.5M: Entry Hillsborough Knolls. Properties at the more accessible end of this neighborhood’s range, providing the Hillsborough Knolls address within Hillsborough.

$8.5M–$20M+: The primary Hillsborough Knolls range. Well-positioned properties delivering the neighborhood’s full residential value.

Current Hillsborough Knolls Listings

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Hillsborough Knolls Real Estate | Hillsborough, CA in Hillsborough Homes for Sale

Hillsborough Real Estate: The Peninsula's Most Exclusive Estate Town

Hillsborough is the most exclusive incorporated municipality in San Mateo County, a residential town of approximately 11,000 residents between Burlingame and San Mateo where the absence of any commercial establishment within the town boundaries, the minimum residential lot size of one acre in most of the town (with two-acre minimums in the hillside areas), and the private police force create the pure residential enclave that Peninsula estate buyers pursue with the same motivation that drives the Atherton market — the preservation of the estate residential environment against commercial intrusion and residential densification. Hillsborough's architectural heritage spans the full range of California estate traditions: the Mediterranean Revival and Spanish Colonial estates of the 1920s and 1930s, the California Ranch estates of the post-war era, and the contemporary architectural statements of the technology wealth era all coexist on the tree-shaded streets that characterize each of the town's distinct neighborhoods.

The town's history reflects the Peninsula's railroad and financial elite: the Crocker, Burlingame, and other San Francisco banking and railroad families established the country estate community in the early twentieth century, and the town has maintained the exclusivity and the residential character that the founders intended through a century of development pressure. The Crystal Springs Reservoir corridor, along the western edge of Hillsborough, provides the public open space that the Crystal Springs Regional Trail traverses, connecting hikers from Sawyer Camp Trail through the watershed to the San Andreas Lake — creating the access to one of the Peninsula's most significant natural landscapes immediately adjacent to Hillsborough's residential boundaries.

The Hillsborough City School District serves K-8 students, consistently ranking among the highest-performing elementary districts in California. Secondary students attend San Mateo High School or Aragon High School in the San Mateo Union High School District, both of which benefit from the strong academic culture that Hillsborough's professional parent community sustains.

What are the neighborhoods in Hillsborough?

Hillsborough's GeoJSON inventory covers eleven distinct residential zones: Carolands, Country Club Manor, Hillsborough Heights, Hillsborough Highlands, Hillsborough Knolls, Hillsborough Oaks, Hillsborough Park, Homeplace, Lakeview, Ryan Tract, and Skyfarm. Skyfarm and Hillsborough Heights occupy the elevated western portions of the town with the most dramatic Peninsula views. Country Club Manor and the Carolands area (named for the historic Carolands Chateau, a Beaux-Arts mansion now used as an events venue) represent the most storied residential addresses within the town.

How is the Hillsborough real estate market?

$4M–$6.5M: Entry Hillsborough. Older structures on the minimum lot sizes in the lower hillside areas, providing the Hillsborough address and the Hillsborough City School District at the most accessible tier.

$6.5M–$12M: The primary Hillsborough range. Estate properties on one-to-two-acre lots in the town's established neighborhoods with the mature landscaping and the residential character that Hillsborough consistently delivers.

$12M–$40M+: Premium Hillsborough. The Skyfarm and Hillsborough Heights hilltop estates, the most architecturally significant properties, and the largest parcels in the town's inventory.

Current Hillsborough Listings

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Community

What makes Hillsborough Knolls unique?

Hillsborough Knolls is one of Hillsborough’s established residential sub-neighborhoods, offering the combination of estate lot sizes, mature landscaping, and the quiet privacy that no commercial zoning and careful residential planning produce. The neighborhood’s identity is shaped by the knolls area features gently rolling terrain that gives properties natural elevation variation and the visual interest of knoll-top siting and the overall character of a community that has deliberately maintained its residential exclusivity through decades of land use decisions that prioritize residential quality over commercial development or density.

Housing in Hillsborough Knolls reflects the Hillsborough standard: properties on lots ranging from the town’s half-acre minimum to multi-acre estates, with homes that range from carefully maintained historic California Colonial and Tudor Revival designs to recently constructed contemporary estates. The residential quality across the neighborhood is consistently maintained by an owner base that values and invests in property upkeep, producing the streetscape consistency that characterizes all of Hillsborough’s sub-neighborhoods.

The Hillsborough City School District serves Hillsborough Knolls at the K-8 level, with South Hillsborough School as the primary campus for most addresses in this area. For high school, students attend Burlingame High School or San Mateo High School in the San Mateo Union High School District. Crystal Springs Uplands School and The Nueva School are private options used by many Hillsborough Knolls families. All Hillsborough school options — public and private — are among the strongest educational environments in San Mateo County.

Highway 280 is the primary freeway option for Hillsborough Knolls commuters, accessible in approximately 5 to 10 minutes from most neighborhood addresses. San Francisco International Airport is under 15 minutes. Downtown San Francisco is 35 to 45 minutes via 280 under normal traffic conditions. The Caltrain station in adjacent Burlingame is accessible by car in 10 to 15 minutes. For buyers whose professional lives are centered on the Peninsula corridor between San Francisco and San Jose, Hillsborough Knolls’s Hillsborough address provides well-positioned access to this geography while maintaining the estate residential setting that the town’s market demands.

The investment case for Hillsborough Knolls rests on the same structural supply constraints that underpin all of Hillsborough’s residential market: fully developed land inventory, large minimum lot sizes that prevent densification, and a globally positioned buyer pool that sustains demand across economic cycles. Knolls properties within Hillsborough trade within the town’s established price band, with specific premiums driven by lot size, home quality, and the degree of knoll-top view advantage each property provides. The combination of these supply and demand dynamics has produced Hillsborough’s exceptional long-term price appreciation record, supporting buyers who hold Hillsborough properties through multiple Bay Area market cycles.

Hillsborough Knolls: Intimate Estate Character on Hillsborough’s Rolling Terrain

Hillsborough Knolls reflects the rolling knoll terrain that characterizes this part of the Hillsborough residential landscape — the gentle hills and the natural undulation of the ground create the intimate estate setting where each property occupies its own topographic position, with the privacy that the knoll terrain naturally creates through the visual screening of the grade changes. The Hillsborough Knolls residential market serves the Hillsborough buyer who values the rolling terrain character, the established neighborhood quality, and the Hillsborough city services (extremely responsive city maintenance, private police, and the community identity that the residential-only town creates). The proximity to the Hillsborough City School District elementary schools and the convenient access to the San Mateo commercial corridors for daily needs create the practical residential infrastructure.

What is it like to live in Hillsborough Knolls Homes?

  • Hillsborough Knolls Homes occupy an established residential sub-neighborhood offering estate lot sizes, mature landscaping, and the quiet privacy that no commercial zoning produces.
  • Gently rolling knoll terrain gives properties natural elevation variation and the visual interest of knoll-top siting across the neighborhood.
  • Housing stock ranges from carefully maintained historic California Colonial and Tudor Revival designs to recently constructed contemporary estates.
  • Lots run from the town minimum to multi-acre estates, reflecting the Hillsborough standard for parcel scale and setting.
  • Owners who value and invest in property upkeep sustain the streetscape consistency that characterizes every Hillsborough sub-neighborhood.
  • South Hillsborough School serves as the primary Hillsborough City School District campus for most addresses in Hillsborough Knolls Homes.
  • Grade changes across the knolls create natural visual screening, giving each property its own topographic position and a genuinely private estate setting.
  • Hillsborough city services including responsive city maintenance and private police reinforce the community identity that a residential-only town creates.
  • The investment case for Hillsborough Knolls Homes rests on fully developed land inventory, large minimum lot sizes, and a globally positioned buyer pool.

Area Details

What are schools and neighborhoods like in Hillsborough?

Hillsborough is served by the Hillsborough City School District for kindergarten through eighth grade, operating West Hillsborough School, South Hillsborough School, and North Hillsborough School — three K-8 campuses that serve different geographic sections of the town. All three schools have strong academic reputations, benefit from the extraordinary property tax base that Hillsborough’s estate values produce, and maintain the small class sizes and parent community engagement that small-district schools in wealthy communities sustain. For high school, most Hillsborough students attend either Burlingame High School or San Mateo High School, both in the San Mateo Union High School District. Crystal Springs Uplands School — a highly regarded private K-12 institution located along the Crystal Springs Reservoir — is also widely used by Hillsborough families. The Nueva School, in nearby San Mateo, is another prominent private option for students identified as gifted.

Hillsborough’s physical infrastructure is unusual among Peninsula communities of its size. The town has its own police department providing 24-hour residential patrol service — a level of public safety coverage that most comparable-sized communities cannot sustain and that contributes meaningfully to the security that Hillsborough estate properties provide. Canada Road runs along Crystal Springs Reservoir through portions of Hillsborough and is closed to motor vehicles on alternating Sundays for cyclists and runners — a popular recreational event that draws participants from throughout San Mateo County and that gives the reservoir’s scenic environment a community recreational function. The Crystal Springs Reservoir itself is a protected San Francisco water supply with no public boat or swim access, but its forested banks and open water create a significant visual and ecological amenity along the town’s western edge.

Hillsborough’s private school environment is exceptional. Crystal Springs Uplands School on Canada Road provides K-12 education with a strong academic reputation in a campus adjacent to the reservoir. The Nueva School in San Mateo serves gifted students from kindergarten through twelfth grade. These options, combined with Hillsborough’s highly rated public K-8 schools, create an educational environment that is one of the strongest in San Mateo County across both public and private options.

What are the schools and town services like for Hillsborough Knolls Homes?

  • Hillsborough City School District serves kindergarten through eighth grade through West Hillsborough School, South Hillsborough School, and North Hillsborough School across different geographic sections of town.
  • Small class sizes and engaged parent communities characterize the district campuses, reflecting what small districts in wealthy communities are able to sustain.
  • Burlingame High School and San Mateo High School in the San Mateo Union High School District serve most Hillsborough students at the secondary level.
  • The Nueva School in nearby San Mateo serves students identified as gifted from kindergarten through twelfth grade and is widely used by Hillsborough families.
  • Hillsborough Knolls Homes benefit from a town police department that provides round-the-clock residential patrol service unusual among comparable-sized Peninsula communities.
  • Canada Road runs along Crystal Springs Reservoir and closes to motor vehicles on alternating Sundays for cyclists and runners from across San Mateo County.
  • Crystal Springs Reservoir is a protected San Francisco water supply without public boat or swim access, yet its forested banks form a major visual amenity.
  • Buyers of Hillsborough Knolls Homes gain an educational environment ranking among the strongest in San Mateo County across both public and private options.

What makes Hillsborough Knolls a desirable address within Hillsborough?

Hillsborough Knolls shares the characteristics that define Hillsborough’s overall market appeal — no commercial development, estate-scale residential lots, the Hillsborough City School District’s excellent K-8 schools, and the 24-hour police patrol coverage that distinguishes Hillsborough from communities that rely on county or contract law enforcement. Within the town’s sub-neighborhood hierarchy, Hillsborough Knolls’s specific character — the knolls area features gently rolling terrain that gives properties natural elevation variation and the visual interest of knoll-top siting — adds the attributes that buyers who specifically target this area value over alternatives within the same community.

What schools serve Hillsborough Knolls?

Hillsborough Knolls is served by the Hillsborough City School District for K-8 education, with South Hillsborough School serving the neighborhood. For high school, students attend Burlingame High School or San Mateo High School in the San Mateo Union High School District. Crystal Springs Uplands School on Canada Road is a prominent private K-12 option for families preferring private education. The Nueva School in San Mateo offers gifted programming through 12th grade. Buyers should confirm specific elementary campus assignments with the district office for their prospective address.

What is the Hillsborough City School District?

The Hillsborough City School District operates three K-8 campuses — West Hillsborough, South Hillsborough, and North Hillsborough — serving the town’s student population across its residential geography. The district benefits from Hillsborough’s extraordinary property tax base, which produces per-pupil funding levels among the highest in San Mateo County and supports small class sizes, well-compensated teachers, and facility investment that public schools in lower-assessed communities cannot match. The district’s academic performance has consistently ranked among the top K-8 public districts in California on both assessment metrics and parent satisfaction surveys.

How does Hillsborough compare to neighboring Burlingame as a residential option?

Hillsborough and Burlingame are the two most sought-after communities in central San Mateo County, and buyers frequently evaluate both. Hillsborough offers larger lots, deeper privacy, a dedicated residential focus without commercial intrusion, and the Hillsborough City School District for K-8 — at a price premium that reflects all of these attributes, with a $5.8 million median versus Burlingame’s $2.85 million. Burlingame offers Broadway’s commercial corridor, Caltrain access within the city, somewhat more accessible pricing, and the Burlingame School District’s well-regarded K-8 schools. Buyers who prioritize maximum residential privacy and estate scale tend to choose Hillsborough; those who value walkable commercial access and Caltrain convenience tend to choose Burlingame. The right choice depends on specific lifestyle priorities.

Hillsborough Real Estate FAQs

Why is there no commercial development in Hillsborough? Like Atherton, Hillsborough was incorporated specifically to protect its residential character — the town has maintained residential-only zoning since 1910. Residents use neighboring San Mateo, Burlingame, and San Carlos for commercial needs. The lack of commercial development is a deliberate community choice that preserves the residential character and eliminates the traffic, noise, and visual impact that commercial development would create.

How are Hillsborough’s schools? The Hillsborough City School District (elementary and middle, serving grades K-8) is consistently among the top-performing elementary districts in California. High school students attend either Burlingame High School or Mills High School (San Mateo Union HSD), depending on the specific address within Hillsborough. Both high schools are excellent; many Hillsborough families also use private school options including Crystal Springs Uplands School within Hillsborough itself.

What is the architectural character of Hillsborough? Hillsborough’s residential stock spans the full range of California residential architecture from the early 20th century to the present: Spanish Colonial Revival and Italian Villa estates from the 1920s-1940s, Mid-Century Modern properties from the 1950s-1970s, and contemporary custom-designed homes from the 1990s to the present. The town has no specific architectural style requirements, so the architectural diversity is a characteristic of the Hillsborough landscape — an eclectic mix of very high-quality custom residences from different eras.

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