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440 Cooskie Ridge Road, Petrolia, CA 95558

New Listing
$650,000
Property Type: Residential Bedrooms: 2 Baths: 1.5 Square Footage: 1,572 Lot Size (sq. ft.): 6,969,600 Status: Active
Current Price: $650,000 List Date: 7/10/2026 Last Modified: 7/10/2026

Overview

Description

160 acres of pure Lost Coast beauty in Petrolia. This custom 2 bed, 1 bath home offers an expansive deck, bonus room, and sweeping views in every direction. Bordered on three sides by BLM land, the privacy here is the real deal. Abundant water and year-round hydroelectric power make this a truly self-sustaining homestead. The 1 bed, 1 bath ADU adds room for family and guests, with a large bonus room for arts, crafts, and play, plus a second bonus room perfect for extra sleeping quarters. A 3-car metal shop/garage handles every project, and yes, there is a custom in-ground pool. Established orchard and generous garden space complete the picture. Room for a true family compound. This one has it all.

Listing Details MLS# 272805

Property Description

Type of Property
Residential
Realtor.com Type
Residential - Single Family
Style
Custom
Lot Dimensions
0x0x0x0
Lot Acres
160
Appearance
Good
Gar Stls
3
Garage Type
Detached
Accessory Dwelling Unit
Yes
List Price/SqFt
413.49

House Description

Year Built
1995
Total Rooms
7
Main House SqFt
1572
Gated Entry
Yes

Location Legal and Taxes

Area
South County
House Number
440
Street Name
Cooskie Ridge
Street Suffix
Road
Sub-Area
Petrolia
State
CA
Zip Code
95558
Cross Street
Mattole Rd

Directions and Remarks

Directions
Call listing agent.

ADU Detail

Living Area
1235
Living Area Source
Estimated
Beds
Yes

More Information

Schools

Elementary School
Mattole
High School
Mattole

RV Parking

Room for RV Parking
Yes

Miscellaneous

Privacy
Yes
Surveyed
Unknown

# of Baths per Level

Full Baths Main
Yes
Half Baths Main
Yes

Location, Legal and Taxes

APN
104-122-019

ADU Type

ADU
Yes

ADU Kitchen Features

Gas Range
Yes
Refrigerator
Yes

Zoning

Single Family
Yes
Timber Producing Zne
Yes
Unclassified
Yes

Possession

At Close of Escrow
Yes

View

Hills
Yes
Valley
Yes
Woods
Yes
Mountain View
Yes

Fenced

Partial
Yes

Lot Description

Hills View
Yes
Panoramic View
Yes
Valley View
Yes
Woods View
Yes

Utilities

Propane
Yes
Off Grid
Yes

Levels

2 Story
Yes

Siding

Wood
Yes

Foundation

Concrete Perimeter
Yes
Post/Piers
Yes
Slab
Yes

Construction

Wood Frame
Yes

Road

Private
Yes

Roof

Composition Shingle
Yes
Metal
Yes

Insulation

Dual Pane Window
Yes

Garage

Shop
Yes

Financing Terms

Cash
Yes
Conventional
Yes
Owner Carry 1st
Yes
Private Funding
Yes

Driveway

Gravel
Yes

Heating

Propane
Yes
Woodstove
Yes

Kitchen

Gas
Yes
Pantry
Yes
Range
Yes
Refrig
Yes

Water

Private
Yes
Spring
Yes

Sewer

Private
Yes

Living

Deck Off
Yes
Wood Stove
Yes

Exterior Amenities

Deck
Yes
Garden Area
Yes
Out Building
Yes
Porch
Yes
Swimming Pool
Yes

Interior Amenities

Ceiling Fan
Yes

Laundry

Dryer
Yes
In House
Yes
Washer
Yes

Flooring

Tile
Yes
Wood
Yes

2nd Floor

2nd Bedroom
Yes
Primary Bedroom
Yes

Property Features

ADU Type: ADU ADU Kitchen Features: Gas Range; Refrigerator View: Hills; Valley; Woods; Mountain View Zoning: Single Family; Timber Producing Zne; Unclassified Fenced: Partial Possession: At Close of Escrow Levels: 2 Story Siding: Wood Foundation: Concrete Perimeter; Post/Piers; Slab Construction: Wood Frame Roof: Composition Shingle; Metal Insulation: Dual Pane Window Garage: Shop Driveway: Gravel Road: Private Lot Description: Hills View; Panoramic View; Valley View; Woods View Heating: Propane; Woodstove Water: Private; Spring Sewer: Private Interior Amenities: Ceiling Fan Exterior Amenities: Deck; Garden Area; Out Building; Porch; Swimming Pool Utilities: Off Grid; Propane Kitchen: Gas; Pantry; Range; Refrig Living: Deck Off; Wood Stove Laundry: Dryer; In House; Washer 2nd Floor: 2nd Bedroom; Primary Bedroom Flooring: Tile; Wood Financing Terms: Cash; Conventional; Owner Carry 1st; Private Funding
IDX
Listing Office: Madrone Realty, Inc.
Last Updated: July - 10 - 2026
Broker Attribution: madronerealtysomer@gmail.com

Based on information from the Humboldt Association of REALTORS® (alternatively, from the Humboldt MS), as of (date the AOR/MLS data was obtained on .) All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be verified by broker for accuracy. Properties may or may not be listed by the office/agent presenting the information. Copyright 2020 (year) Humboldt Association of Realtors®. All rights reserved.