1801 Campbell Ave

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Two Homes on 1 Lot | Open Houses Saturday & Sunday 1–3 PM Main home: 1,415 sq ft | Permitted ADU: 485 sq ft There’s a lot to love about 1801 Campbell Avenue, starting with a bright, welcoming main home and a detached cottage that truly feels like a place of its own. The three-bedroom, two-bath main house features hardwood floors, a cozy fireplace, an updated kitchen, an easy-care yard, and an attached one-car garage. The permitted one-bedroom ADU has its own private entrance and separate address at 1303 Williams Street, along with a full kitchen, updated bathroom, in-unit laundry, and two dedicated parking spaces. Located approximately one mile from BART, this unique two-home property offers flexibility for a variety of lifestyles. It’s a great setup for larger or multigenerational families looking to keep loved ones close while still giving everyone their own space, as well as investors looking for rental potential. Whether used for extended family, guests, or additional income, there’s plenty of room for life—and opportunity—to grow here.

Current Status

New

Original Price

$949,000

List Price

$949,000

On Market Date

Sep 11, 2026

Property Type

Detached

D/N/S

Other

Zip Code

94577

MLS ID

41148021

APN

77A7272

Year Built

1952

Stories in Building

1

Possession

Close Of Escrow

Data Source

MAXEBRDI

Origin MLS System

CONTRA COSTA

Bed

3

Bath

2

Parking

1

Attached, Converted Garage, Detached, Garage Faces Front

SQ FT

1,900

SQ FT Source

Owner

Lot SQ FT

6,000.0

Lot Acres

0.14 Acres

Pool Info

None

Kitchen

Dishwasher, Gas Range, Microwave, Refrigerator, Dryer, Washer, Gas Water Heater, 220 Volt Outlet, Counter - Solid Surface, Gas Range/Cooktop, Updated Kitchen

Cooling

Ceiling Fan(s), No Air Conditioning

Disclosures

Other - Call/See Agent, Disclosure Statement, Lead Hazard Disclosure

Entry Level

Exterior Details

Dog Run, Side Yard, Other, Landscape Back, Low Maintenance

Flooring

Hardwood

Foundation

Fire Place

Brick, Living Room

Heating

Forced Air

Laundry

Dryer, In Garage, Washer

Main Level

3 Bedrooms, 2 Baths

Possession

Close Of Escrow

Architectural Style

Other

Non-Master Bathroom Includes

Shower Over Tub, Tile, Updated Baths, See Remarks

Construction Status

Existing

Additional Miscellaneous Features

Dog Run, Side Yard, Other, Landscape Back, Low Maintenance

Location

2 Houses / 1 Lot, Corner Lot, Other, Landscaped, See Remarks

Roof

Composition Shingles

Water and Sewer

Public, Other, Water District

Fee

Unavailable

MLS and other Information regarding properties for sale as shown in Theo have been obtained from various sources such as sellers, public records, agents and other third parties. This information may relate to the condition of the property, permitted or unpermitted uses, zoning, square footage, lot size/acreage or other matters affecting value or desirability. Unless otherwise indicated in writing, neither brokers, agents nor Theo have verified, or will verify, such information. If any such information is important to buyer in determining whether to buy, the price to pay or intended use of the property, buyer is urged to conduct their own investigation with qualified professionals, satisfy themselves with respect to that information, and to rely solely on the results of that investigation.

School data provided by GreatSchools. School service boundaries are intended to be used as reference only. To verify enrollment eligibility for a property, contact the school directly.