The Paddock is the last remaining Sewickley Heights residence designed by Alden & Harlow, the firm behind the Carnegie Library of Pittsburgh and the Duquesne Club, commissioned by Adelaide Burguinn. High ceilings, millwork no budget reproduces today, and rooms balanced across the plan the way that firm always drew them. The grand hall once held a twenty-eight-foot Christmas tree with room to spare. Off it are the formal dining room, the sunlit Morning Room, and the Billiard Room. More than six bedrooms above. The grounds give the property its name: long lawns, a paddock, a kennel, and mature trees that keep it private, minutes from Sewickley village, Quaker Valley schools, downtown Pittsburgh and the airport. The sellers have handled the expensive work: new roof with new gutters and downspouts, new septic system, newly paved asphalt drive. The structure is sound; what remains is finish work a buyer would want to control anyway. A restoration for an owner who sees the work as the reason to buy it.
The Paddock is the only remaining Sewickley Heights residence designed by Alden & Harlow, famed architects of the Carnegie Library and Duquesne Club. Commissioned by Adelaide Burguinn, this historic estate offers timeless craftsmanship on expansive, manicured grounds with a paddock, kennel, and lush lawns. The grand interior features 6+ bedrooms, soaring ceilings, original woodwork, a formal dining room, sunlit Morning Room, and stately Billiard Room. Built for entertaining, this home once hosted a 28-foot Christmas tree as part of its cherished holiday traditions. Signature Alden & Harlow details—such as millwork, symmetry, and scale—are preserved throughout. A rare opportunity to own a piece of architectural history, this legacy property is ready to be restored to its former grandeur. Located just minutes from Sewickley Village, Quaker Valley Schools, and Downtown Pittsburgh, The Paddock blends prestige, privacy, and potential.
West Penn MLS #1696019
Jun 25, 2025
Delisted
—
Apr 10, 2025
Listed
$3,750,000
$364/sq ft
+28
Originally commissioned by Adelaide Burguinn, this storied estate offers timeless elegance across expansive, manicured grounds. Rich in architectural detail and historic charm, the property includes a grand dining room, paddock, kennel, and more. Inside, you'll find 6+ bedrooms, soaring ceilings, the Morning Room, Billiard Room, and original woodwork throughout. Once home to decades of holiday traditions—including a 28-foot Christmas tree—The Paddock is ready to be restored to its former grandeur. A legacy property unlike any other.
Year
Property tax
Land + Additions
Assessment*
2026
$41,231 (+2.5%)
$335,900 + $876,600
$1,212,500
2025
$40,214 (+7.5%)
$335,900 + $876,600
$1,212,500
2024
$37,415 (+2.0%)
$335,900 + $876,600
$1,212,500
2023
$36,698 (+1.9%)
$335,900 + $876,600
$1,212,500
2022
$36,013
$335,900 + $876,600
$1,212,500
2021
$36,013
$335,900 + $876,600
$1,212,500
2020
$36,013 (+1.9%)
$335,900 + $876,600
$1,212,500
2019
$35,331 (+1.8%)
$335,900 + $876,600
$1,212,500
2018
$34,715 (+4.2%)
$335,900 + $876,600
$1,212,500
2017
$33,306 (+5.9%)
$335,900 + $876,600
$1,212,500
2015
$31,457
$335,900 + $876,600
$1,212,500
Public record
Beds
6
Baths
5.5
Stories
3
Lot width
—
Lot depth
—
Lot size
9.64 Acres
Year renovated
—
Finished Sq. Ft.
10,312
Unfinished Sq. Ft.
—
Total Sq. Ft.
10,312
Year built
1900
Style
Single Family Residential
County
Allegheny County
APN
0604P00245000000
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 21, 2026.
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
3/10 Heat Factor
7 days above 97° expected this year, 17 days in 30 years
2/10 Wind Factor
Minor risk of severe winds over next 30 years
3/10 Air Factor
2 unhealthy days expected this year, 3 days in 30 years
Provided by First Street
Historical weather
Sewickley, PA • 15143
Average low and high temperatures (°F)
30
16
38
23
57
36
66
46
68
50
81
62
84
66
81
59
78
54
66
44
51
36
40
26
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
94/ 100
Exceptional sunlight
Sunscore
This home ranks in the top 6% for direct sun exposure in Sewickley. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
10.2 hrs
6 hrs
JuneDecember
Provided by Shadowmap
Redfin Estimate for 859 Blackburn Rd
We cannot show automated home-value estimates for this home.
Nearby homes have recently sold between $1,865,000 and $3,000,000.
Nearby comparable homes
The Redfin Estimate uses 6 recent nearby sales, priced between $1.9M to $3.0M.