16 Onyx St, Larkspur, CA 94939, USA

Property CA
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1

Property Overview:

This is a classic Craftsman home in sunny Madrone Canyon, Larkspur, originally built in 1909 (main home) and 1916 (variant listing). The property features a main residence with 2-3 bedrooms and 2-3 bathrooms, plus a legal lower en suite unit (ADU/Jr. 1BD) with a private entrance—ideal for guests, extended family, office, or rental income. The home offers approximately 1,500+ sq. ft. of living space on a street-to-street lot for enhanced privacy.

Neighborhood Highlights:

  • Prime Madrone Canyon location:

    • Walkable to downtown Larkspur (shops, dining, coffee, Perry’s, Equator Coffee, Pico’s, etc.)
    • Close to redwoods, hiking, and biking trails
    • Top-rated schools nearby
    • Easy access to Highway 101 and Larkspur Ferry

  • Community:

    • Family-friendly and quiet residential area
    • Vibrant local amenities and outdoor recreation

Property Features:

  • Classic Craftsman charm:

    • Stained-glass entry windows
    • Wainscoting and period built-in cabinetry
    • 10-ft. ceilings and wide-plank hardwood floors
    • Striking stone fireplace in living room

  • Modern upgrades:

    • Chef’s kitchen with center island (custom wood or concrete countertop), white cabinetry, PaperStone counters, modern appliances, and open shelving
    • Remodeled bathrooms:
      • Primary bath with stone inlay floor
      • Second bath with vintage details
      • Lower unit bath with integrated sink vanity and marble subway tile shower/tub

  • Flexible living spaces:

    • Main level: 2 bedrooms with serene ambience, walls of windows, treetop/garden views
    • Lower legal unit (ADU/Jr. 1BD):
      • Private deck
      • Cozy living room
      • Wet bar/partial kitchenette with peninsula island, sink, and counter seating
      • Bedroom designed for double bed
      • Window seat with storage
      • Remodeled bath
      • Private entrance
      • Shared upper patio
      • Uncovered parking on Palm Ave

  • Outdoor living:

    • Brick patio for entertaining
    • Raised stone garden beds for fresh herbs
    • Street-to-street lot for privacy

Rental & Lease Details:

  • Lower unit:
    • Unfurnished, modern upgrades, open floor plan
    • Brand new electric range, new refrigerator
    • No washer/dryer or dishwasher
    • Cat considered (well-behaved, litter box trained); no dogs
    • No smoking
    • Application fee: $49/adult
    • Renter’s liability insurance required
    • Lower tenant pays 30% of PG&E and 1/3 trash
    • 6-month lease considered
    • Assistive animals permitted with documentation
    • Contact: Dee Marotta, Foundation Homes, (415) 686-3410

Location Benefits:

  • Exceptional walkability to downtown Larkspur’s shops, dining, and cafes
  • Minutes to major highways and public transit
  • Outdoor lifestyle: Proximity to redwoods, hiking, and biking
  • Top-rated schools and family-friendly community
  • Ideal for entertaining, relaxation, or multi-generational living

For more information or to schedule a showing:

  • Visit: Foundation Homes
  • Automated schedule hotline: (415) 484-1940
  • Leasing agent: Dee Marotta, (415) 686-3410
2

Price and Status History

date type price
1985-10-02 Rental 237000
1990-08-17 Sold 386000
2020-10-29 For Sale 1748000
2020-10-30 For Sale 1748000
2020-12-14 Sold 1648000
2020-12-27 Rental 4750
2022-06-22 Off Market NaN
2022-12-02 Rental 4900
2025-02-28 For Sale 2095000
2025-03-12 For Sale 1997500
3

Superfund Enterprise Management System

SITE NAME ADDRESS FEDERAL FACILITY NPL STATUS NON-NPL STATUS CONTAMINANTS SEMS EPA ID DISTANCE (MILES)
DEPARTMENT OF DEFENSE HOUSING FACILITY BRANCH HOUSING OFFICE, BUILDING 100, Novato, CA 94939, USA Y N NF 0 CA4170090019 0.53

Toxic Release Inventory

No data found within 1.0 miles for this property.

Integrated Compliance Information System - Air

No data found within 1.0 miles for this property.

4

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 2 1 0
AE 0 0 1 6
AH 0 0 0 0
AO 0 0 0 0
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 - North Golden Gate Bolinas 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 2

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 1 0 1
Very High 0 1 0 3
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Traffic Noise by Hour x Weekday

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Airplane Noise by Hour x Weekday

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