Large three-bedroom 2,500 SF single-family residence anchored by six apartment homes. Strong cap rate of 4.85%. 870 Williams Way, a seven-unit multifamily investment is a rare investment or owner-user opportunity in the heart of Mountain View, California. Built in 1964, the property sits on an 11,562 square foot parcel and encompasses approximately 6,876 rentable square feet. The asset features a diverse unit mix consisting of one expansive 3-bedroom/2.5-bath owner's residence spanning 2,500 square feet, two one-bedroom units with bonus rooms, and four townhome-style 2-bedroom/1.5-bath units of approximately 879 square feet each.
Details
MLS #
ML82056797
Listing Type
For Sale
Sub-Type
Resale
Status
Active
Year
1964
Days On Site
15
Listing Provided By
Marcus & Millichap | Jimmy Castellanos
Features
SQ Feet
6,876
Car Port
Yes
Building(s)
3
Zoning
R3-1*
Acreage
0.27
Interior
Cooling
Central Air, Wall Window Units
Heating
Central, Wall Furnace
Heating Yes / No
Yes
Cooling Yes / No
Yes
Exterior
Roof
Composition, Shingle
Taxes
Property
47482
Area Information
State
CA
County
Santa Clara
City
Mountain View
Zip Code
94040
Area
699 Not Defined
Listing VS Median (in 94040)
Price: $3,999,000
low | high
Med: $1,697,500
100% of Average
sqft: 6,876
low | high
Med: 1,766
100% of Average
$ / sqft: $582
low | high
Med: $965
15.998476035124% of Average
On site: 15
low | high
Med: 40.5
37.037037037037% of Average
Sourced by Back At You
Market Activity 94040
Date
Sales
Avg $ Per SqFt
Min Sale Price
Max Sale Price
Med Sale Price
Date: Jul 2026
Sales: 4
Avg $ Per SqFt: $1215.5
Min Sale Price: $680,000
Max Sale Price: $4,730,000
Med Sale Price: $1,505,500
Date: Jun 2026
Sales: 5
Avg $ Per SqFt: $1548.91
Min Sale Price: $930,000
Max Sale Price: $4,730,000
Med Sale Price: $3,015,000
Date: May 2026
Sales: 4
Avg $ Per SqFt: $1828.82
Min Sale Price: $3,061,101
Max Sale Price: $4,150,000
Med Sale Price: $3,600,000
Date: Apr 2026
Sales: 10
Avg $ Per SqFt: $1465.9
Min Sale Price: $405,000
Max Sale Price: $5,695,000
Med Sale Price: $2,058,000
Date: Mar 2026
Sales: 10
Avg $ Per SqFt: $1378.19
Min Sale Price: $305,000
Max Sale Price: $4,730,000
Med Sale Price: $3,180,000
Date: Feb 2026
Sales: 10
Avg $ Per SqFt: $1373.08
Min Sale Price: $820,000
Max Sale Price: $5,700,000
Med Sale Price: $1,650,000
Date: Jan 2026
Sales: 2
Avg $ Per SqFt: $1261.78
Min Sale Price: $1,690,000
Max Sale Price: $4,125,000
Med Sale Price: $2,907,500
Date: Dec 2025
Sales: 1
Avg $ Per SqFt: $1178.01
Min Sale Price: $1,350,000
Max Sale Price: $1,350,000
Med Sale Price: $1,350,000
Date: Nov 2025
Sales: 1
Avg $ Per SqFt: $662.28
Min Sale Price: $755,000
Max Sale Price: $755,000
Med Sale Price: $755,000
Sourced by Back At You
Jul 2026
Sales:
4
Avg $ Per SqFt:
$1215.5
Min Sale Price:
$680,000
Max Sale Price:
$4,730,000
Med Sale Price:
$1,505,500
Jun 2026
Sales:
5
Avg $ Per SqFt:
$1548.91
Min Sale Price:
$930,000
Max Sale Price:
$4,730,000
Med Sale Price:
$3,015,000
May 2026
Sales:
4
Avg $ Per SqFt:
$1828.82
Min Sale Price:
$3,061,101
Max Sale Price:
$4,150,000
Med Sale Price:
$3,600,000
Apr 2026
Sales:
10
Avg $ Per SqFt:
$1465.9
Min Sale Price:
$405,000
Max Sale Price:
$5,695,000
Med Sale Price:
$2,058,000
Mar 2026
Sales:
10
Avg $ Per SqFt:
$1378.19
Min Sale Price:
$305,000
Max Sale Price:
$4,730,000
Med Sale Price:
$3,180,000
Feb 2026
Sales:
10
Avg $ Per SqFt:
$1373.08
Min Sale Price:
$820,000
Max Sale Price:
$5,700,000
Med Sale Price:
$1,650,000
Jan 2026
Sales:
2
Avg $ Per SqFt:
$1261.78
Min Sale Price:
$1,690,000
Max Sale Price:
$4,125,000
Med Sale Price:
$2,907,500
Dec 2025
Sales:
1
Avg $ Per SqFt:
$1178.01
Min Sale Price:
$1,350,000
Max Sale Price:
$1,350,000
Med Sale Price:
$1,350,000
Nov 2025
Sales:
1
Avg $ Per SqFt:
$662.28
Min Sale Price:
$755,000
Max Sale Price:
$755,000
Med Sale Price:
$755,000
MLS Number: ML82056797
Jimmy Castellanos – jimmy.castellanos@marcusmillichap.com
Marcus & Millichap – (650) 391-1700
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MLS Internet Data Exchange (IDX) information is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that the data is deemed reliable but is not guaranteed accurate by the California Regional MLS.
MLS Number: ML82056797
Jimmy Castellanos – jimmy.castellanos@marcusmillichap.com