Roseacre, designed by renowned architect, Angus McSweeney in 1936 has been enhanced and restored over the years. Remarkable grounds encompass a botanical park of exquisitely manicured gardens bordered by majestic towering redwoods. Entire ambiance inside and out, is elegant and graceful with original hardwood floors, refined millwork, plantation shutters and perfectly selected lighting. Luxuriously appointed public rooms offer the perfect venues for entertaining, catered by a remodeled chef's kitchen, plus a large family room with a secondary kitchen doubles as a poolside relaxation venue. Elegant formal living and dining rooms with French doors to the spacious brick terraced veranda. Handsomely appointed paneled library. Master bedroom boasts fireplace, dressing room and French door to a large deck. Three additional bedrooms with marble-appointed en suite bath. A separate bedroom suite outside entrance only. A Grand and Timeless Estate!
Single-familyProperty Type
1936Year Built
0.81 acresLot Size
$2,215Est. Price/Sq.Ft.
2 car garageParking
Listed by The Dwyer The Dwyer Group•DRE #70010007• Compass
Bought with The Dwyer The Dwyer Group•DRE #70010007• Compass
bridgeMLS, Bay East AOR, or Contra Costa AOR #ML81451820
Dec 15, 2016
Listing Removed
—
MLSListings #ML81534890
Dec 11, 2015
Listed
$6,100,000
$1,180/sq ft
Dec 11, 2015
Sold
$6,100,000
$1,180/sq ft
Public Records
Aug 26, 2015
Sold
$6,100,000
$1,180/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$118,773 (+2.1%)
$4,551,315 + $5,727,079
$10,278,394
2024
$116,377 (+2.0%)
$4,462,074 + $5,614,785
$10,076,859
2023
$114,081 (+11.8%)
$4,374,583 + $5,504,692
$9,879,275
2022
$102,085 (+9.5%)
$4,288,807 + $5,347,757
$9,636,564
2021
$93,224 (+1.7%)
$4,204,713 + $4,580,919
$8,785,632
2020
$91,675 (+21.2%)
$4,122,268 + $3,864,627
$7,986,895
2019
$75,638 (+3.0%)
$4,080,000 + $3,825,000
$7,905,000
2018
$73,461 (+1.5%)
$5,803,745 + $669,621
$6,473,366
2017
$72,395 (+2.5%)
$5,578,380 + $643,620
$6,222,000
2016
$70,633 (+591.5%)
$5,578,380 + $643,620
$6,222,000
2015
$10,215 (+3.2%)
$5,469,000 + $631,000
$6,100,000
2014
$9,897 (+4.9%)
$86,675 + $544,294
$630,969
2012
$9,439 (+6.1%)
$86,284 + $541,835
$628,119
2011
$8,898 (+2.3%)
$84,593 + $531,211
$615,804
2010
$8,702 (−4.9%)
$82,935 + $520,796
$603,731
2009
$9,147 (+8.6%)
$82,316 + $516,904
$599,220
2008
$8,426
$82,512 + $518,132
$600,644
Tax history for 863 Chiltern Rd
Year
Property tax
Land + Additions
Assessment*
2025
$118,773 (+2.1%)
$4,551,315 + $5,727,079
$10,278,394
2024
$116,377 (+2.0%)
$4,462,074 + $5,614,785
$10,076,859
2023
$114,081 (+11.8%)
$4,374,583 + $5,504,692
$9,879,275
2022
$102,085 (+9.5%)
$4,288,807 + $5,347,757
$9,636,564
2021
$93,224 (+1.7%)
$4,204,713 + $4,580,919
$8,785,632
2020
$91,675 (+21.2%)
$4,122,268 + $3,864,627
$7,986,895
2019
$75,638 (+3.0%)
$4,080,000 + $3,825,000
$7,905,000
2018
$73,461 (+1.5%)
$5,803,745 + $669,621
$6,473,366
2017
$72,395 (+2.5%)
$5,578,380 + $643,620
$6,222,000
2016
$70,633 (+591.5%)
$5,578,380 + $643,620
$6,222,000
2015
$10,215 (+3.2%)
$5,469,000 + $631,000
$6,100,000
2014
$9,897 (+4.9%)
$86,675 + $544,294
$630,969
2012
$9,439 (+6.1%)
$86,284 + $541,835
$628,119
2011
$8,898 (+2.3%)
$84,593 + $531,211
$615,804
2010
$8,702 (−4.9%)
$82,935 + $520,796
$603,731
2009
$9,147 (+8.6%)
$82,316 + $516,904
$599,220
2008
$8,426
$82,512 + $518,132
$600,644
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Public record
Permits
Beds
5
Baths
6.5
Stories
2
Lot width
—
Lot depth
—
Lot size
0.81 Acres
Year renovated
1945
Sq. Ft.
3,830
Year built
1936
Style
Single Family Residential
County
San Mateo County
APN
031323030
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Sep 2, 2026.
Oct 6, 2023 • Final
Addition
Construct an enclosed accessory structure in the rear yard.
ADU
Sep 26, 2023 • Final
Grading
Perform grading work in conjunction with a landscaping project.
Grading
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Parking
Garage Information
# of Garage Spaces: 2
Has Attached Garage: Yes
Parking Information
Has Garage: Yes
Parking Features: Attached Garage
Interior
Virtual Tour
Bedroom Information
Bedroom Features: Walk-In Closet
Bathroom Information
# of Baths (Full): 5
# of Baths (1/2): 1
Bathroom Features: Double Sinks, Primary Stall Shower(s), Outside Access, Sauna, Shower over Tub (1), Primary Oversized Tub, Half on Ground Floor
Appliances
Gas Cooktop, Dishwasher, Hood Over Range, Microwave, Double Oven, Electric Oven, Gas Oven Range, Refrigerator, Wine Refrigerator, Washer/Dryer
Basement Information
Unfinished
Dining Room Information
Eat-In Kitchen, Formal Dining Room
Family Room Information
Separate Family Room
Fireplace Information
# of Fireplaces: 4
Fireplace Features: Family Room, Gas Starter, Living Room, Primary Bedroom, Other Location, Wood Burning
Has Fireplace: Yes
Flooring Information
Hardwood, Tile
Interior Features
Interior Features: High Ceiling, Vaulted Ceiling, Wet Bar, Walk-In Closet
Room Information
Room Type: Basement, Laundry, Office
Kitchen Information
Kitchen Features: Granite Countertop, Pantry
Exterior
Building Information
Foundation Details: Concrete Perimeter
Roof: Shingle
Exterior Features
Fencing: Complete Perimeter
Patio & Porch Features: Back Yard, Balcony/Patio, Deck, Fenced
Pool Information
Pool Features: In Ground
Stories
Stories: 2
Year Built
Year Built Details: 2
Property Information
Building Area Total (Sq. Ft.): 5,170
Financial
Financial Information
Buyer Financing: Conventional
Utilities
Heating & Cooling
Cooling: Central Forced Air
Heating: Central Forced Air (Gas)
Utility Information
Gas: Public Utilities
Sewer: Public Sewer
Utilities: Public Utilities, Public Water
Water Source: Public
Location
School Information
Elementary School: South Hillsborough
Elementary School District: Hillsborough City Elementary
High School District: San Mateo Union High
Middle/Junior High School: Crocker Middle
Location Information
MLS Area: Hillsborough Park Etc.
Street Name: Chiltern
Street Number: 863
WalkScore Information
Walk Score: 4
Public facts
Beds: 5
Baths: 6.5
Sq. Ft.: 3,830
Stories: 2.0
Lot Size: 0.81 acres
Style: Single Family Residential
Year Built: 1936
Year Renovated: 1945
County: San Mateo County
APN: 031323030
Home facts updated by county records on Sep 2, 2026
Around this home
Schools
K - 12
Preschool & daycare
South Hillsborough School
Public K-5 • Assigned • 0.7mi
9/10
Crocker Middle School
Public 6-8 • Assigned • 1.3mi
8/10
San Mateo High School
Public 9-12 • Assigned • 1.9mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
2/10 Heat Factor
3 days above 86° expected this year, 7 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
7/10 Air Factor
12 unhealthy days expected this year, 12 days in 30 years
Provided by First Street
Historical weather
Hillsborough, CA • 94010
Average low and high temperatures (°F)
60
47
62
48
67
50
65
51
68
52
70
54
71
57
72
58
73
61
69
56
63
52
59
50
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 10.5 hours in
June and 5 hours in December, placing it above the
U.S. average for solar exposure.
10.5 hrs
5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$10.88M – $13.17M
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