548 S Frances St #550, Sunnyvale, CA 94086, USA


Property Overview:

Gorgeous 3 bed / 2 bath Cape Cod-style home with permitted, detached 1 bed / 1 bath ADU and detached 2-car garage in Sunnyvale’s downtown Heritage District. This home seamlessly blends classic architectural details with modern updates.


Neighborhood Highlights:

  • Highly-coveted location on a closed-end street in the Taaffe-France Heritage Neighborhood.
  • Just 0.5 miles to downtown Sunnyvale’s Historic Murphy Ave with shops, dining, and entertainment.
  • Top-rated schools:
    • Ellis Elementary
    • Sunnyvale Middle
    • Fremont High (buyer to verify)

Property Features:

  • Main Home:

    • 3 bedrooms / 2 bathrooms
    • Original oak hardwood floors
    • Large living room with fireplace and built-in bookcases
    • Dining room with French doors and original corner cabinets
    • Thoughtfully-updated kitchen with white quartz counters and subway tile backsplash
    • Separate family room with teak wood beam ceilings and French doors to the deck
    • Primary bedroom with large walk-in closet
    • Private reading nook in second bedroom
    • Large windows for ample natural light
    • Owned solar panels
  • ADU (Accessory Dwelling Unit):

    • 1 bedroom / 1 bathroom
    • Private entrance
    • Hardwood floors
    • Laundry
    • Central heat
    • Bonus loft
    • Permitted Airbnb with 5.0 rating (potential income stream or in-law unit)
  • Outdoor Amenities:

    • Grand oak tree
    • Hot tub
    • Lush lawn
    • Grape arbor
    • Redwood deck
    • Fruit trees

Location Benefits:

  • Prime downtown Sunnyvale location
  • Quiet, closed-end street
  • Walkable to shops, restaurants, and parks
  • Excellent schools
  • Strong potential for rental income via permitted ADU/Airbnb
  • Ideal for multi-generational living or investment

Price and Status History

date type price
1977-03-14 Off Market 72500
1992-08-24 Sold 272000
1999-12-02 For Sale 549900
1999-12-08 Sold 650000
1999-12-21 Sold 650000
2002-08-19 For Sale 698000
2002-09-11 Sold 718000
2002-10-22 Sold 718000
2025-03-05 For Sale 2488000
2025-03-14 Pending NaN
2025-04-04 Sold 2750000

Superfund Enterprise Management System

SITE NAME ADDRESS FEDERAL FACILITY NPL STATUS NON-NPL STATUS CONTAMINANTS SEMS EPA ID DISTANCE (MILES)
NAVAL INDUSTRIAL RESERVE ORDINANCE PLANT 111 LOCKHEED WAY, Sunnyvale, CA 94088-3504, USA Y N FS 0 CA2170022915 0.18
LOCKHEED MISSILES & SPACE COMPANY INC. 111 LOCKHEED WAY, Sunnyvale, CA 94088, USA N N DR 0 CAD009125535 0.18
SIGNETICS 305 Mathilda Avenue, Sunnyvale, CA 94086, USA N N NF 0 CAT000614115 0.37
129TH CAV AIR NATL GUARD 129TH HRMS MOFFETT FIELD, Sunnyvale, CA 94086, USA Y N NF 0 CA0572890218 0.68
MOFFETT FIELD ANG 129 ARRG/CC, Sunnyvale, CA 94086, USA Y N NF 0 CA0170023238 0.68
WESTINGHOUSE ELECTRIC CORP. (SUNNYVALE PLANT) 401 East Hendy Avenue, Sunnyvale, CA 94086-5100, USA N F 17 CAD001864081 0.69
SIGNETICS CORP 730 East Evelyn Avenue, Sunnyvale, CA 94086-6500, USA N N NF 0 CAT000614073 0.87
MEMOREX SAN TOMAS AT, Central Expressway, Santa Clara, CA 95052, USA N N NF 0 CAD009142415 0.98

Toxic Release Inventory

No data found within 1.0 miles for this property.

Integrated Compliance Information System - Air

PLANT NAME ADDRESS OPERATING STATUS DISTANCE (MILES)
ADVANCED MICRO DEVICES 1 AMD PLACE POB 3453, Sunnyvale, CA 94088-3453, USA OPR: Operating 0.18
OGISO ENVIRONMENTAL 150 West Iowa Avenue STE 200, Sunnyvale, CA 94086-6171, USA OPR: Operating 0.19
NORTHROP GRUMMAN CORP 401 East Hendy Avenue #62/1, Sunnyvale, CA 94086-5100, USA OPR: Operating 0.69
SUNNYVALE FORD 650 East El Camino Real, Sunnyvale, CA 94087-2916, USA OPR: Operating 0.83

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 0
AE 0 0 0 0
AH 0 0 0 0
AO 0 0 0 2
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
San Andreas - Peninsula Cupertino 0 0 1
San Andreas - Peninsula Mindego Hill 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

Traffic Noise by Hour x Weekday

Not enough data points

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