501 Porpoise Bay Terrace B, Sunnyvale, CA 94089, USA

Property CA
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Property Overview:

501 Porpoise Bay Ter, #B is a condominium townhome in Sunnyvale, CA, built in 1992. It features 3 bedrooms, 2.5 bathrooms, and 2,013 sq. ft. of living space. The home includes an attached 2-car garage, central A/C, and a bonus room ideal for a home office. The estimated home value is $1,591,000.

Neighborhood Highlights:

  • Crime Rate:

    • Personal crime risk: 4% (lower than state average of 11.8%).
    • Property crime risk: 7.1% (lower than state average of 10.8%).

  • Schools:
    Nearby schools include Summit Public School: Denali, Lakewood Elementary, and Columbia Middle.

    • Average SAT score: 1101 (579 Math, 522 English)—higher than state average of 975.

  • Job Market:

    • 59.8% white-collar jobs, 40.2% blue-collar jobs.
    • Unemployment rate: 3.8% (lower than state average of 4.7%).

  • Demographics:

    • Community population: 13,750 (14% growth since 2000).
    • 62% families with children.
    • Largest age group: 25-34 years (20.05%); second largest: 35-44 years (14.42%).

  • Natural Disaster Risk:

    • Low flood risk, low tornado risk, high earthquake risk.

  • Weather:

    • Average temperature: 48.5°F (January), 82.7°F (July).
    • Average rainfall: 13.9 inches/year.
    • Average snowfall: 0.1 inches/year.

  • Cost of Living:

    • Median household income: $68,813.
    • Average annual spending: $53,530.

Property Features:

  • Recently remodeled: New kitchen, new bathrooms, new floors, and fresh paint throughout.
  • Spacious open-concept living & dining area with fireplace and recessed lighting.
  • Gourmet kitchen: Stainless steel appliances, quartz countertops, ample cabinetry, and breakfast bar.
  • Oversized owner’s suite: Walk-in closet (WIC), dual sinks, tub-shower combo.
  • Large 2nd & 3rd bedrooms with ample closet space.
  • Bonus room: Unique to the community, perfect for a home office.
  • Two private balconies and attached 2-car garage.
  • HOA amenities: Community pool & spa, water, garbage, earthquake insurance, and more.

Location Benefits:

  • Serene Traditions community in Tasman Crossing, surrounded by Redwoods and lush greenery.
  • Secluded cul-de-sac location—feels like a single-family home.
  • Convenient to major tech employers: Apple, Amazon, NetApp, Google, and more.
  • Short walk to 7Seas Park, VTA, and grocery stores.
  • Easy access to highways 101, 237, and 85—ideal for commuters.
  • Family-friendly neighborhood with abundant natural light and green spaces.
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Price and Status History

date type price
1992-07-31 Sold 274000
2007-05-18 For Sale 715000
2007-05-22 For Sale 705000
2007-06-20 Sold 708000
2007-06-21 Sold 708000
2022-01-20 Off Market NaN
2022-04-06 For Sale 1399000
2022-04-23 Pending NaN
2022-05-02 Sold 1580000
2022-06-23 Sold 776400
2023-08-31 Off Market NaN
2025-02-21 For Sale 1378800
2025-02-22 For Sale 1398000
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Superfund Enterprise Management System

SITE NAME ADDRESS FEDERAL FACILITY NPL STATUS NON-NPL STATUS CONTAMINANTS SEMS EPA ID DISTANCE (MILES)
ESL INC SUBSIDIARY OF TRW 425 Tasman Drive, Sunnyvale, CA 94089-1706, USA N N NF 0 CAD981677040 0.15
BELL INDUSTRIES 1161 North Fair Oaks Avenue, Sunnyvale, CA 94089-2102, USA N N NF 0 CAD076316967 0.17
METARMICS 1107 North Fair Oaks Avenue, Sunnyvale, CA 94089-2102, USA N N NF 0 CAD982359168 0.31
DESIGN OPTICS INC 155 Moffett Park Drive, Sunnyvale, CA 94089-1321, USA N N NF 0 CAD076311018 0.59
SUNNYVALE LDFL Caribbean Drive, Sunnyvale, CA 94086, USA N N NF 0 CAD980498992 0.71
SUPERTEX INC 1225 Bordeaux Drive, Sunnyvale, CA 94089-1203, USA N N NF 0 CAD010938538 0.75
BALL A C CO 141 Caspian Court, Sunnyvale, CA 94089, USA N N NF 0 CAD009225434 0.75

Toxic Release Inventory

FACILITY NAME ADDRESS TOTAL FORMS LAST FORM YEAR RISK SCREENING FACILITY ID DISTANCE (MILES)
LOCKHEED MISSILES & SPACE CO INC 480 East Java Drive, Sunnyvale, CA 94089-1320, USA 1 1988 N/A 94089LCKHD480EA 0.26
BLOOM ENERGY CORP 1252 Orleans Drive, Sunnyvale, CA 94089-1137, USA 10 2023 Yes 9408WBLMNR1252R 0.32
SOUTH VALLEY CIRCUITS INC 550 East Weddell Drive SUITE 3, Sunnyvale, CA 94089-2124, USA 9 1994 N/A 94086ZTCNG550WE 0.57
ACL ELECTRONICS (USA) INC 539 East Weddell Drive, Sunnyvale, CA 94089-2114, USA 13 1995 N/A 94089PRCSN539WE 0.62
ANALOG DEVICES SUNNYVALE SITE 610 East Weddell Drive, Sunnyvale, CA 94089-2389, USA 38 2006 N/A 94089PRFRM610EW 0.67
ORBIT SEMI CONDUCTOR 1230 Bordeaux Drive, Sunnyvale, CA 94089-1202, USA 17 1997 N/A 94089RBTSM1230B 0.67
INFINERA CORP 1322 Bordeaux Drive, Sunnyvale, CA 94089-1005, USA 15 2023 Yes 94089NFNRC1322B 0.75
PERKINELMER OPTOELECTRONICS 399 West Java Drive, Sunnyvale, CA 94089-1023, USA 3 2001 N/A 94089PRKNL399WJ 0.86
ARMSTRONG TECHNOLOGY INC 1271 Anvilwood Avenue, Sunnyvale, CA 94089-2204, USA 4 1990 N/A 94089RMSTR1271A 0.96
CONTACT INTERNATIONAL CORPORATION 1380 Bordeaux Drive, Sunnyvale, CA 94089-1005, USA 35 1993 N/A 94089KLTRN1380B 0.99

Integrated Compliance Information System - Air

PLANT NAME ADDRESS OPERATING STATUS DISTANCE (MILES)
CITY OF SUNNYVALE WTR POLLUTION 1440 Borregas Avenue, Sunnyvale, CA 94089, USA OPR: Operating 0.79
CITY OF SUNNYVALE/PUBLIC WORKS DEPT 301 Carl Road, Sunnyvale, CA 94089-1012, USA PLN: Planned Facility 0.94
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Flood Risk Info

fld_zone very high impact: up to 0.0001 miles high impact: up to 0.2 miles moderate impact: up to 0.5 miles low-moderate impact: up to 1.5 miles
A 0 0 0 2
AE 0 1 1 7
AH 0 0 0 0
AO 0 0 0 1
VE 0 0 0 0

Flood Zone Type

code meaning
A 1% annual chance flood zone determined using approximate methods. No BFEs shown. Flood insurance and management standards apply.
AE 1% annual chance flood zone determined by detailed methods. BFEs shown. Insurance and floodplain management required.
AH Shallow flooding (ponding) zones with depths between 1-3 feet. BFEs shown. Insurance and management required.
AO Shallow flooding (sheet flow) zones with depths 1-3 feet. BFEs or average depths shown. High-velocity areas may exist.
VE Coastal 1% annual chance flood zone with wave action. BFEs shown. Insurance and management required.

Earthquake Risk Info

zone_name quad_name very high impact: up to 0.0001 miles high impact: up to 2.0 miles moderate impact: up to 10.0 miles
South Hayward Calaveras Reservoir 0 0 1
South Hayward Milpitas 0 0 1

Landslide Risk Info

lscat very high impact: up to 0.0001 miles high impact: up to 0.04 miles moderate impact: up to 0.1 miles low-moderate impact: up to 0.2 miles
8 0 0 0 0

Liquefaction Risk Info

Suscept very high impact: up to 0.0001 miles high impact: up to 0.05 miles moderate impact: up to 0.5 miles low-moderate impact: up to 1.0 miles
High 0 0 0 0
Very high 0 0 0 0

Wild fire Risk Info

haz_class very high impact: up to 0.0001 miles high impact: up to 0.5 miles moderate impact: up to 1.5 miles low-moderate impact: up to 3.0 miles
High 0 0 0 0
Very High 0 0 0 0
5

Traffic Noise by Hour x Weekday

hour_of_day Monday Tuesday Wednesday Thursday Friday Saturday Sunday
0 66 65 68 NaN 80 NaN 63
1 66 71 NaN 63 70 71 68
2 63 61 65 67 68 NaN 68
3 68 NaN 70 68 70 NaN 66
4 67 NaN 68 66 NaN 58 NaN
5 71 62 NaN 68 69 70 71
6 61 58 69 68 67 64 69
7 64 67 68 NaN 65 NaN 65
8 NaN 70 67 67 65 65 71
9 62 67 61 63 NaN NaN 63
10 64 63 63 60 59 63 62
11 65 73 62 71 NaN 66 NaN
12 NaN NaN NaN 58 NaN NaN 64
13 68 71 72 67 73 NaN 65
14 69 67 NaN 68 NaN NaN NaN
15 71 66 69 65 68 NaN 72
16 74 75 69 68 71 69 69
17 62 NaN 72 65 69 NaN 65
18 NaN 67 72 NaN NaN NaN 71
19 70 NaN 63 NaN 70 58 58
20 72 67 NaN 70 NaN NaN 61
21 67 NaN 72 66 71 69 NaN
22 NaN 72 NaN NaN 69 NaN NaN
23 77 71 72 76 NaN 70 62
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Airplane Noise by Hour x Weekday

hour_of_day Monday Tuesday Wednesday Thursday Friday Saturday Sunday
0 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1
2 1 1 1 2 1 2 1
3 0 1 1 1 1 1 0
4 1 1 0 2 0 1 1
5 1 2 1 1 1 1 1
6 2 3 3 3 3 2 4
7 4 4 3 3 3 3 3
8 5 4 3 5 5 3 3
9 6 4 4 5 5 4 5
10 4 3 5 6 4 6 5
11 5 6 5 6 6 6 5
12 5 5 6 6 5 4 6
13 4 5 5 5 6 5 5
14 5 4 6 3 5 4 5
15 5 4 6 5 5 4 5
16 4 3 6 4 4 3 4
17 4 4 5 6 4 2 4
18 4 3 4 3 4 3 3
19 5 3 5 4 4 2 2
20 2 2 2 2 2 2 2
21 3 2 2 2 2 2 2
22 1 1 2 2 2 1 1
23 1 1 1 1 1 1 1