40 Foster St

Baths
3,312 Sq. Ft.
$340 / Sq. Ft.
3,312
Sq. Ft.
$340
per Sq. Ft.

Description

40 foster st. Is an excellent value add fourplex opportunity near downtown martinez. The property has amazing views of both the bay and the martinez valley. Consisting of four two-bedroom, one-bath apartments at about 828 sf each with onsite coin-operated laundry, carport parking, new windows & roof. No local rent control creates a fantastic opportunity to maximize returns along with the additional upside in laundry income as well with owned laundry equipment. Fantastic views of carquinez bay on...40 foster st. Is an excellent value add fourplex opportunity near downtown martinez. The property has amazing views of both the bay and the martinez valley. Consisting of four two-bedroom, one-bath apartments at about 828 sf each with onsite coin-operated laundry, carport parking, new windows & roof. No local rent control creates a fantastic opportunity to maximize returns along with the additional upside in laundry income as well with owned laundry equipment. Fantastic views of carquinez bay on one side, and downtown on the other and within a block from rankin swin center and park.
  1. Listed by Theodore Booras • DRE #01147469 • United Apartment Group

Property Details for 40 Foster Street

City
MARTINEZ
Dist Neighborhood Subdiv
DOWN TOWN
Building Type
FOURPLEX
Property Sub Type
FOURPLEX
View
Carquinez, Hills, Panoramic
Park Spaces Total
8
LISTING UPDATED: 05/18/2026 10:09 AM

Property Details for 40 Foster Street

StatusActive
MLS #41128459
Days on Compass53
Taxes-
HOA Fees-
Condo/Co-op Fees-
Property TypeMulti Family
MLS TypeRESIDENTIAL INCOME / Fourplex
Year Built1964
Lot Size0.13 AC / 5,555 SF
CountyContra Costa County

Location

Listing Courtesy of United Apartment Group, Theodore Booras, DRE #01147469
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Building Information for 40 Foster Street

Stories-Residences4Year Built1964Building Size-Lot Size0.13 AC / 5,555 SF

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$6,240 per month

30 year fixed, 6.36% Interest

Principal and Interest

$5,606

Property Taxes

$634

HOA Dues

$0

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Property Information for 40 Foster Street

Features
Feature Details
  • Flooring: Laminate, Linoleum, Vinyl, Carpet
  • Laundry: Common Room
Room Details
  • Additional Rooms: Basement - Partial
Utility Details
  • Cooling: Other
  • Heating: Wall Furnace
Lot / Property Details
Property Details
  • Additional Equipment: Individual Electric Meter, Individual Gas Meter, Master Electric Meter, Master Gas Meter
  • City Transfer Tax: No
  • Exterior: Double Pane Windows, Stucco, Wood Frame, Wood Siding
  • Lot Description: See Remarks
  • Lot Sq Ft Apx: 5555
  • Lot Size Square Feet: 5555.0
  • Roof: Rolled Composition
  • Sq Ft Apx: 3312
  • Yard Description: Other
  • Year Built: 1964
  • Acres: 0.13
Location Details
  • Directions to Property: Talbert to Foster
  • FIPS Code: 06013
  • Parcel Number: 372-051-015-9
  • Printed Neighborhood Rpt: No
  • Board ID: Bridge AOR
Multi Family Information
General Details
  • Units Total: 4
  • Basement: Partial
  • Miscellaneous Features: Balcony/Patio, Extra Storage
  • Parking Description: Carport - 2 Or More
  • Separate Meters: Electric, Gas
  • Existing Lease Terms: Month to Month
  • Tenant Pays: Electric, Gas
  • Financial Data Source: Other, Owner
  • Addl Property Description: QUICK BIKE RIDE TO THE PROPOSED WATERFRONT RENOVATION PROJECT
Income / Expense Details
  • Operating Expenses: Garbage Collection, Insurance, License/Ads, Property Tax/Assessments, Water
Unit 1 Details
  • Unit #/Address - 1: 1
  • Occupied By 1: Tenant
  • Refrigerator 1: Yes
  • Range/Oven 1: Yes
  • Bedrooms 1: 2
  • Bathrooms 1: 1
  • Parking Spaces 1: 2
  • Apx Sq Ft 1: 828
Unit 2 Details
  • Unit #/Address - 2: 2
  • Occupied By 2: Tenant
  • Refrigerator 2: Yes
  • Range/Oven 2: Yes
  • Bedrooms 2: 2
  • Bathrooms 2: 1
  • Parking Spaces 2: 2
  • Apx Sq Ft 2: 828
Unit 3 Details
  • Unit #/Address - 3: 3
  • Occupied By 3: Tenant
  • Refrigerator 3: Yes
  • Range/Oven 3: Yes
  • Bedrooms 3: 2
  • Bathrooms 3: 1
  • Parking Spaces 3: 2
  • Apx Sq Ft 3: 828
Unit 4 Details
  • Unit #/Address - 4: 4
  • Occupied By 4: Tenant
  • Refrigerator 4: Yes
  • Range/Oven 4: Yes
  • Bedrooms 4: 2
  • Bathrooms 4: 1
  • Parking Spaces 4: 2
  • Apx Sq Ft 4: 828
Multi Family 5+ Information
Building Details
  • ADDTL MISC FEATURES: Balcony/Patio, Extra Storage
Additional Information
Additional Information
  • Fireplace: No

Property History for 40 Foster Street

DateEvent & SourcePriceAppreciation
May 9, 2026

Price Change

MLSListings #EB41128459

$1,125,000
May 9, 2026

Price Change

EBRD #41128459

$1,125,000
Apr 30, 2026

Listed (Active)

MLSListings #EB41128459

$1,210,000
DateEvent & SourcePrice
05/09/2026

Price Change

MLSListings #EB41128459

$1,125,000
05/09/2026

Price Change

EBRD #41128459

$1,125,000
04/30/2026

Listed (Active)

MLSListings #EB41128459

$1,210,000

For completeness, we often displays two records for one sale: the MLS record and the public record.

Public Records for 40 Foster Street

Taxable ValueLand$94,049Additions$296,285Total$390,334
Tax Record2025$7,607 ($634 / month)
Home Facts
Total Finished SqFt3,312 SqFtAbove Grade Finished SqFt3,312 SqFtStories1Lot Size5,555 SqFtStyleQuadraplexYear Built1964CountyCONTRA COSTAAPN372-051-015-9

Schools near 40 Foster Street

This home is within Martinez Unified School District.
Rating
School
Type
Grades
Distance
Public - K to 5
Public - 6 to 8
Public - 9 to 12
Public - K to 12
Rating
School
Distance
John Muir Elementary School
PublicK to 5

Martinez Junior High School
Public6 to 8

Alhambra Senior High School
Public9 to 12

Briones (Alternative) School
PublicK to 12

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

Similar Homes

40 Foster Street is a multi-family home for sale in Martinez, CA 94553. This property was listed for sale on March 25, 2026 by United Apartment Group, it's currently listed at $1,125,000. It has been on the market for a total of 53 days and was last sold on September 4, 1998. This listing's school district is Martinez Unified School District. Nearby schools include John Muir Elementary School, Martinez Junior High School and Alhambra Senior High School. 40 Foster Street is a 8-bed, 0-bath, 3,312 sqft multi-family home built in 1964.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity.

Listing Courtesy of United Apartment Group, Theodore Booras, DRE #01147469

Based on information from one of the following Multiple Listing Services: San Francisco Association of Realtors, the MLSListings MLS, the BAREIS MLS, the EBRD MLS, Shasta Association of REALTORS® Information being provided is for the visitor’s personal, noncommercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. The data contained herein is copyrighted by San Francisco Association of Realtors, the MLSListings MLS, the BAREIS MLS, the EBRD MLS, Shasta Association of REALTORS® is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. Property information referenced on this web site comes from the Internet Data Exchange (IDX) program of the MLS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. For the avoidance of doubt, the accuracy of all information, regardless of source, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals.