
1808 Black Mountain Road
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3
Beds
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2
Baths
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1,980 sq ft
Home Size
per county records
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22,651 sq ft
Lot Size
per county records
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Built in
1955
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Listed
1 year ago
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Neighborhood
Hillsborough
Carolands
Carolands activity rebounded last year as sales rose by 62%. 21 homes sold in the Upper Hillsborough neighborhood, making it the most popular neighborhood in 2024. Average home values fell to $4.95 million but consider this: 75% of Carolands’ 2024 sales fell between $4 and $6 million, with the highest neighborhood sale coming in at $7.38 million. This contrasts with 2023 when a pair of eight-figure sales (out of 13 total sales) pushed the neighborhood average to $5.85 million. Also, consider that Carolands homes sold 10% more per square foot ($1,459) in 2024 than in 2023 and the average DOM fell by 23%, from 30 in 2023 to 23 in 2024.
To view a detailed google map of the Carolands neighborhood, click here. The MLS area is 446.
Favorable
A wide range in real estate prices
Has newer and larger properties as well as older and traditional homes
Spread out, ranch style homes with spacious, half-acre-and-up lots
Many homes have San Francisco Bay views
Adverse
Inventory is typically on the lower side
Equally known for its pleasant, rolling streets as well as multi-million dollar estates, Hillsborough represents the pinnacle of exclusive yet laid back peninsula homes. With close proximity to all major roads, yet still secluded and private enough for the most discriminating homeowner, Hillsborough’s large but subtle homes and roads-without-sidewalks “woodsy” feel apppeal to many. And, it’s also one of the best and most picturesque towns on the peninsula for a Saturday jog!
The public school system in Hillsborough is among California’s finest, with an excellent faculty to student ratio and a successful technology program. Hillsborough’s Crocker Middle School is well known in the area for its excellent preparation of its students for high school and beyond. And, there are also three excellent private schools in Hillsborough: the Bridge School, which serves students with physical and speech impairments, the Nueva School, a noted elementary school, and Crystal Springs Uplands School, a well established and respected elementary through high school.
As of the year 2000, Hillsborough was the highest income place in the United States for cities of a population of 10,000 or more. The town is six square miles, of which 238 acres are open space and cannot be developed. It’s name comes from the hometown of William Davis Merry Howard in New Hampshire, who visited the peninsula in 1864 as a 16 year old and convinced his shipping magnate father to buy Rancho San Mateo (including what is today the city of San Mateo).
As Hillsborough is all single family homes, the town contributes a portion of the budget to the Burlingame and San Mateo libraries, and shares a fire department with Burlingame, called Central County Fire.
Special Yearly Event: The Concours d’Elegance, benefiting the Hillsborough Schools Foundation, held each August on the golf course started in 1956 by Hillsborough mothers.
- Ranch style homes
- $4.5m ranch style homes up to $10m+ estates, all with minimum half acre lots
- Exclusive town
- One of the most exclusive towns in the Bay Area, ranked alongside Atherton, Woodside, Belvedere, Ross, and Tiburon
- Single family residential with large lots
- Hillsborough is only single-family residential - no businesses, condos/townhomes, or retail, but just minutes to both downtown Burlingame and San Mateo
Hillsborough is a town of rare affluence, number five on Bloomberg Businessweek’s 2009 list of “Wealthiest Towns in America.” It’s a unique place, with no shops, no restaurants, and no commercial entities of any kind within its borders. Its citizens live on half-acre minimum lots, many behind gates and rows of tall trees.

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