Remarkable mountain estate property situated on close to 5 acres with timeless architecture, elegant design and unrivaled natural surroundings. Originally constructed for prominent Silicon Valley developer Barry Swenson and extensively remodeled and updated by prior owner Paul Mehus of Mehus Construction, the home is impeccable with vaulted ceilings, expansive windows offering stunning views and natural lighting. The gourmet kitchen offers Wolf and SubZero appliances and opens to the great room with views of the surrounding hills and watershed along with the properties own stunning outdoor spaces, including lawn bowling area, putting green, pool and spa. For the equestrian aficionado, there is full 5-stall barn with paddocks, tack room and bathroom, as well as a fully fenced arena. A second barn is also on the property totaling over 1,720 Sq Ft. A secluded RV site with sewer, power and gas is provided. Less than 5 minutes to Hwy 17 and Summit Store and served by top-rated LG schools.
Single-familyProperty Type
1973Year Built
4.55 acresLot Size
$838Est. Price/Sq.Ft.
3 car garageParking
Listed by Cole Cole and Riese•DRE #70010123• Coldwell Banker Realty
Unique Mountain estate with horse facilities. Has own well, Pool, hobby barn. Located on Timmus Lane with Summit Road address. Very little road noise and lots of Sun and usable space.
MLSListings #ML81237739
Jan 31, 2013
Sold
$1,750,000
$479/sq ft
Dec 7, 2012
Pending
—
Oct 15, 2012
Listed
$1,850,000
$507/sq ft
+12
INCREDIBLE MOUNTAIN ESTATE OF BEAUTY & TRANQUILITY! Perfectly situated in peaceful, secluded Timmus Lane, set back from main Summit Rd, the house is surrounded by thoughtfully planned grounds: 3-stall barn, good-sized paddocks & riding arena, workshop bldg, outdoor recreation area, orchard of fruit trees, & pebble-tek pool/spa. 4.5 acre lot.
MLSListings #ML80952964
May 27, 2010
Sold
$1,920,000
$526/sq ft
May 26, 2010
Pending
—
May 10, 2010
Relisted
—
Apr 26, 2010
Pending
—
Nov 9, 2009
Listed
$2,150,000
$589/sq ft
MLSListings #ML80712272
Apr 25, 2007
Sold
$2,100,000
$575/sq ft
Mar 13, 2007
Listing Removed
—
Mar 12, 2007
Listed
$2,195,000
$601/sq ft
Public Records
Aug 7, 1991
Sold
$635,000
$174/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$31,370 (+1.0%)
$1,627,539 + $1,115,517
$2,743,056
2024
$31,058 (+2.1%)
$1,595,627 + $1,093,645
$2,689,272
2023
$30,434 (+2.5%)
$1,564,341 + $1,072,201
$2,636,542
2022
$29,687 (+1.3%)
$1,533,668 + $1,051,178
$2,584,846
2021
$29,314 (+19.0%)
$1,503,597 + $1,030,567
$2,534,164
2020
$24,624 (+1.4%)
$1,474,115 + $1,010,360
$2,484,475
2019
$24,285 (−0.7%)
$1,098,938 + $989,043
$2,087,981
2018
$24,462 (+5.0%)
$1,077,391 + $969,650
$2,047,041
2017
$23,291 (+2.8%)
$1,035,555 + $931,999
$1,967,554
2016
$22,656 (+2.0%)
$1,035,555 + $931,999
$1,967,554
2015
$22,203 (+7.9%)
$1,015,250 + $913,725
$1,928,975
2014
$20,575 (−11.6%)
$934,222 + $823,722
$1,757,944
2012
$23,284 (+3.2%)
$841,500 + $928,200
$1,769,700
2011
$22,553 (+2.0%)
$852,973 + $1,122,329
$1,975,302
2010
$22,115 (+4.8%)
$836,249 + $1,100,323
$1,936,572
2009
$21,097 (−11.7%)
$1,505,000 + $415,000
$1,920,000
2008
$23,886
$1,734,000 + $408,000
$2,142,000
Tax history for 23509 Summit Rd
Year
Property tax
Land + Additions
Assessment*
2025
$31,370 (+1.0%)
$1,627,539 + $1,115,517
$2,743,056
2024
$31,058 (+2.1%)
$1,595,627 + $1,093,645
$2,689,272
2023
$30,434 (+2.5%)
$1,564,341 + $1,072,201
$2,636,542
2022
$29,687 (+1.3%)
$1,533,668 + $1,051,178
$2,584,846
2021
$29,314 (+19.0%)
$1,503,597 + $1,030,567
$2,534,164
2020
$24,624 (+1.4%)
$1,474,115 + $1,010,360
$2,484,475
2019
$24,285 (−0.7%)
$1,098,938 + $989,043
$2,087,981
2018
$24,462 (+5.0%)
$1,077,391 + $969,650
$2,047,041
2017
$23,291 (+2.8%)
$1,035,555 + $931,999
$1,967,554
2016
$22,656 (+2.0%)
$1,035,555 + $931,999
$1,967,554
2015
$22,203 (+7.9%)
$1,015,250 + $913,725
$1,928,975
2014
$20,575 (−11.6%)
$934,222 + $823,722
$1,757,944
2012
$23,284 (+3.2%)
$841,500 + $928,200
$1,769,700
2011
$22,553 (+2.0%)
$852,973 + $1,122,329
$1,975,302
2010
$22,115 (+4.8%)
$836,249 + $1,100,323
$1,936,572
2009
$21,097 (−11.7%)
$1,505,000 + $415,000
$1,920,000
2008
$23,886
$1,734,000 + $408,000
$2,142,000
*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
4
Baths
3
Stories
2
Lot width
—
Lot depth
—
Lot size
4.5 Acres
Year renovated
1973
Sq. Ft.
3,650
Year built
1973
Style
Single Family Residential
County
Santa Clara County
APN
55802039
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Aug 21, 2026.
Apr 16, 2023 • Final
Construction
Install a new propane-powered generator.
Generator
Oct 19, 2022 • Final
Revision
Perform a main electrical service upgrade to 400 amps.
Electrical
Electric meter
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
Parking Information
Garage (Minimum): 3
Garage (Maximum): 3
Parking Description: Attached Garage, Electric Gate, Off-Street Parking
Garage Spaces: 3
Interior
Virtual Tour
Bedroom Information
# of Bedrooms (Minimum): 4
# of Bedrooms (Maximum): 4
Bathroom Information
# of Baths (Full): 3
Bathroom Description: Full on Ground Floor, Split Bath, Stall Shower
Room Information
Den/Study/Office, Formal Entry, Great Room, Laundry Room
Family Room Description: Kitchen/Family Room Combo