Income-Generating Triplex in Prime Martinez – 3 Units, Endless Opportunity Welcome to 2220 S Crest Ave, a cash-flowing triplex in the heart of the Mountain View neighborhood of Martinez—now with plans for ADU and a brand new roof just installed. Perfect for investors or owner-occupants, this well-located multi-unit property offers immediate income and long-term growth in a high-demand rental market. Unit Mix: Unit 1: 3 bed / 1 bath Unit 2: Studio / 1 bath Unit 3: 1 bed / 1 bath Bonus ADU (Submitted Plans): 2 bed / 2 bath – bay view potential and huge ROI upside Key Features: Brand new roof (2025) – peace of mind and reduced maintenance costs Bay views from the back of the property Large lot with off-street parking Quiet, residential neighborhood Easy access to Hwy 4 & 680, Amtrak, downtown Martinez, shopping, parks, and schools Strong rental history with opportunity to increase rents This is your chance to own a triplex with major upside—live in one, rent the others, or fully lease all units and capitalize on the future ADU. Properties like this don’t hit the market often, especially with development potential already in motion.
This triplex is near Highway 680 and the Highway 4 interchange. Close to the Veranda Shopping complex and shopping/restaurants on Contra Costa Blvd. All three units have been rented by the same tenants between 15-23 years. Rents are below fair rental value. Each unit has two bedrooms and one bath. They all have a small, enclosed yard. Each unit has a detached, enclosed garage. The fourth car garage is used as a storage unit for the owner. The laundry room is currently being used as storage, but it has water hookups for a potential coin-operated washer and dryer facility. Unit A has an extra driveway to house approximately 3-4 cars. The roof is only five years old. Unit A has central air.
2 LOTS FOR THE PRICE OF ONE. POSITIVE CASH FLOW. Convenient Martinez location. Triplex with paved driveway and all units are occupied. Front house is 2-bedrooms/1-bath, living room, dining area and laundry room, granite counter tops, hardwood floors. Back 2 units is 1-bedroom/1-bath and living room, kitchen has granite counter tops, tile flooring. Triplex is located on 1 lot and the 2nd lot (APN#3752430045) is currently used for tenant parking and RV. Combined lot size for both lots is 8,929 sq. ft. Both lots to be sold together. Live in one unit and collect rent on.
Large 4 Bed, 2 Bath home with lots of potential. 50' x 35' SQFT Rear warehouse has 2 large roll up doors in front, 1 in large one in back and possibility to use in many ways. Easement in the front of the property serves both neighbors. Do not enter without permission.
Rare find! Lot's of potential with this property! Cute single family home plus a duplex, detached garage (currently used as a large storage room) shared laundry room and storage room next to the laundry room. Single family home has been nicely updated and features 3 beds, 1 bath, newer paint, flooring, move in ready! Both duplex units features 2 beds, 1 bath, eat-in kitchen and living room. Conveniently located to Highway 680, schools and a short drive to vibrant Downtown Martinez.
Exceptionally low-maintenance 5-unit apartment building in the heart of Martinez, offering strong income, minimal operating expenses, and rare development upside. This well-kept property sits on a desirable corner at Richardson and Robinson, featuring clean, straightforward systems and a simple building layout that makes long-term ownership remarkably efficient. Included in the sale are two additional parcels measuring approximately 4,822 sq ft and 5,144 sq ft, providing significant development potentialideal for ADUs, additional units, garages, small-lot homes, or future value-add expansion (buyer to verify with the City of Martinez). The parcels enjoy excellent street frontage on a quiet residential block, giving developers and buy-and-hold investors attractive optionality. The existing 5-unit building produces steady, reliable income with very low turnover, easy management, and minimal ongoing costs. Its low-maintenance structure makes it an ideal investment for both local and out-of-area owners looking for a hassle-free asset with future upside. Centrally located near downtown Martinez, schools, parks, shopping, and major commuter routes, this property combines immediate cash flow with long-term development opportunitya rare offering in today's market.
Charming Downtown Martinez Triplex, Fully Updated & Move-In Ready Welcome to 933–937 Las Juntas Street, a beautifully maintained three-unit property ideally located in the heart of downtown Martinez. This turnkey investment offers an exceptional opportunity for both investors and owner-users. Two of the three units have been tastefully remodeled with a modern design and quality finishes throughout — featuring brand-new kitchens, new flooring, updated bathrooms, and in-unit washer and dryer. Each renovated unit also includes new appliances and stylish touches that create a warm, inviting atmosphere. The property has been freshly painted on the exterior and enhanced with new landscaping, adding to its curb appeal and low-maintenance charm. Located just steps from restaurants, shops, coffee houses, and Martinez Marina, this triplex combines small-town charm with easy access to major commuter routes and public transportation. Whether you’re looking for a prime rental property or a live-in investment, 933–937 Las Juntas offers both comfort and strong income potential in a highly desirable location.

Barbara Lynn Simmons, License CALBRE 637579, Xome Inc., License CALBRE 1932600, [email protected], 844-400-XOME (9663), 2945 Townsgate Road, Suite 200, Westlake Village, CA 91361
Listings on this page identified as belonging to another listing firm are based upon data obtained from the SFAR MLS, which data is copyrighted by the San Francisco Association of REALTORS®, but is not warranted. 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 or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.
Martinez is located in California. Martinez, California has a population of 37,308. Martinez is less family-centric than the surrounding county with 33.52% of the households containing married families with children. The county average for households married with children is 35.9%.
The median household income in Martinez, California is $114,390. The median household income for the surrounding county is $110,455 compared to the national median of $69,021. The median age of people living in Martinez is 41.8 years.
The average high temperature in July is 87.9 degrees, with an average low temperature in January of 38.7 degrees. The average rainfall is approximately 18.3 inches per year, with 0 inches of snow per year.