Search
Duplex with Detached ADU
New
For Sale
$1,049,000

38 Bret Avenue, San Rafael, CA 94901

MULTI_FAMILY - San Rafael, CA

Property Size2,244 SF
Lot Size0.15 Acres
Price / SF$467.47
Days on Market5

Property Features for 38 Bret Avenue

General Information

Property type Residential Multi Family
Property subtype Duplex
Bedrooms 3
Bathrooms 3
Full bathrooms 3
Rooms Bedroom 1, Bedroom 2, Bathroom 1, Bathroom 3, Bedroom 3, Bathroom 2
Parking 2
Parking features On Street, Covered
Directions Follow US-101 S to Francisco Blvd W in San Rafael. Take exit 451A for Francisco Blvd toward Andersen Drive from US-101 S. Take Andersen Dr to left on Du Bois. Right on Bret Ave.
Subdivision San Rafael
Standard status Active
APN 01315117
Size 2,244 SF
Lot size 0.15 Acres

Utilities

Sewer type Private Sewer
Heating system Central, Wall Furnace

Building Details

Year built 1948
Floors in Building 1
Number of units 2
Listing Agency: Golden Gate Sotheby's International Realty
Listed By: Alexandra Bondanza
Added: Jul 29 Changed: Aug 2 Last Checked: Aug 2 at 6:06PM
MLS# 326064828

Copyright © 2026 Bay Area Real Estate Information Services, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

Investment Insights

Based on property information with market context.

Duplex on a single lot featuring a main residence plus a detached ADU. The main home offers three bedrooms and two full bathrooms with comfortable living spaces. The detached ADU includes its own kitchen and bathroom, supporting flexible use as a guest suite, extended-family space, rental, or a private work-from-home setup. Heating is provided by wall furnace and central systems. The property includes covered parking and on-street parking, and it is served by a private sewer.

Built in 1948, the property sits on a 0.1492-acre lot with 2,244 square feet of total property size.

This layout is designed for buyers who want two distinct living areas on one lot with separate kitchen and bath facilities.

Key Highlights

  • Duplex on 0.1492‑acre lot with 2,244 SF total
  • Main residence: 3 bedrooms and 2 full bathrooms
  • Detached ADU with its own kitchen and bathroom

Financial Insights For Multifamily LT 5

Simulate Cap Rate and NOI

NOI Build-Up
Vacancy
income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
EGI (Effective Gross Income)
gross rent minus vacancy losses — the realistic income before paying operating costs.
OpEx (Operating Expenses)
recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
NOI (Net Operating Income)
income a property generates after operating costs but before financing and taxes.

Component $ $/SF
Gross rent $114.4k $51.00
− Vacancy −$6.8k −$3.05
EGI $107.6k $47.95
− OpEx −$32.3k −$14.39
NOI $75.3k $33.57
2,244 SF · lease $51.00/SF/yr · vacancy 5.98% · expense 30.00%

Alternative Uses

Best Use
Multifamily LT 5
$1.08M
$941.5K – $1.26M (±1% cap)
NOI $75,320 @ 7.0% cap · market cap 7.18%
Second Best
Apartment 5plus
$464.4K
$406.3K – $541.8K (±1% cap)
NOI $32,507 @ 7.0% cap · market cap 3.10%
Theoretical Best
Specialty Retail
$10.96M
$9.59M – $12.79M (±1% cap)
NOI $767,271 @ 7.0% cap · market cap 73.14%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

Current Use

Duplexes

Suggested Use

Top Pick Butcher (Bike/Boat/Book/etc) Store Clothing & Fashion Store Florist Pet Store Pet Store & Service

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

Multi-tenant
Tenancy

Location Intelligence

Trade Area within ½ mile

1,351
Businesses Nearby

Demographics for 94901, CA

43,338
Population
16,412
Households
2.6
Avg Household Size
40
Median Age
48%
College-Educated
82%
High-School Grad
13.1 sq mi
ZIP Area
3,308
Density / Sq Mi
$108,837
Median Household Income
$50,122
Median Earnings
$2,229
Median Rent
$1,369,500
Median Home Value

Market

Vacancy Rate% for Multifamily in West region

7% 2022
7.8% 2023
8.6% 2024
8.6% 2025
Rey
Questions? Ask Rey
Realmo’s AI knows this listing — price, zoning, demand, history. Ask anything.

Frequently Asked Questions

What type of property is this?
Duplex - Duplex on a single lot with a detached ADU, including separate kitchen and bathroom and covered plus on-street parking.
Where is this duplex located?
The property is located at 38 Bret Avenue San Rafael, CA.
What is the asking price?
The asking price for this property is $1,049,000.
What are key features of this property?
This property features: Duplex on 0.1492‑acre lot with 2,244 SF total; Main residence: 3 bedrooms and 2 full bathrooms; Detached ADU with its own kitchen and bathroom
More about this property
Thanks! Your message was sent.
Error! Your message wasn't sent.
Please enter your name
Please enter email
Please enter the email in the correct format
Please enter phone
Please enter the number in the correct format
Please enter message