4250 Arthur Rd, Martinez, California 94553, Martinez, 94553 - 9 bed, 6 bath
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4250 Arthur Rd
Martinez, California 94553
ACTIVE
CONDITION: GOOD
9Beds
6Baths
3,609Sq Ft
5,400Lot Size
Property Price
LIST PRICE$950,000
SUMMARY
7 bedrooms and 5 bathroom single family house with attached 2 bedrooms and 1 bath in-law unit for sale. Some improvements and sq ft additions were done with city permit. Buyer is adviced to perform due diligence to determine the total square feet and room count. 1. First floor is equipped with attached 2 car garage, 1 bathroom, laundry room, large game room coverted into 2 bedrooms (not permitted), and a third car garage converted into 2 bedrooms and 1 bath (not permitted). 2. The upper floor is equipped with 3 bedrooms, 3 bathrooms, living room, family room, kitchen, and 1 bedroom addition (not permitted). 3. The in-law unit is equipped with 2 bedrooms, 1 bath and 1 Kitchenette addition (not permitted). In-law unit is currently rented for $2,000 per month. Property has income potential of $8,400 if fully rented.
Condition Analysis
See Full ReportOVERALL CONDITION SCORE
Good
TeardownExcellent
Property is move-in ready.
Built in 1980 with interior renovations (hardwood flooring, recessed lighting, and bathroom vanities) appearing to be within the 5-15 year range. The property is well-maintained and move-in ready, though the presence of multiple unpermitted additions and conversions poses a potential liability for code compliance.
PROSSTRENGTHS & OPPORTUNITIES
- High Income Potential
The property offers a significant rental income opportunity estimated at $8,400 per month, with an existing in-law unit already generating $2,000 in monthly revenue.
- Multi-Generational Capacity
With a rare 9-bedroom and 6-bathroom configuration, the expansive layout is perfectly suited for large families or multi-generational living arrangements.
- Flexible Living Spaces
The inclusion of an attached in-law unit with its own kitchenette provides versatile options for guest housing, home offices, or supplemental rental income.
CONSRISKS & DEFICIENCIES
- MLS Listing Discrepancy
Living area discrepancy between mls listing and other public or private record. mls listing living area = 3609, other record living area = 2647. Bedroom count discrepancy between mls listing and other public or private record. mls listing bedroom count = 9, other record bedroom count = 5.
- Significant Unpermitted Work
Multiple areas, including garage conversions and room additions, were completed without permits, which poses risks for financing, insurance, and potential code enforcement.
- Limited Outdoor Space
The large 3,609 square foot structure occupies the majority of the 5,400 square foot lot, resulting in a high building-to-land ratio and minimal yard space.
About 4250 Arthur Rd
Property Details
Public Facts
- Property Type
- Single Family Residence
- Year Built
- 1980
- Lot Size
- 5,400 Sq. Ft.
Interior
- Total Bedrooms
- 9
- Total Bathrooms
- 6 (6 Full, 0 Half)
Exterior & Parking
No exterior & parking available.
Utilities & Misc
- HOA Fee
- $0 / Month
Neighborhood Insights
Sensitive Facilities
No sensitive facilities data found.
Neighborhood Comparison
| Feature | Subject | Average Home |
|---|---|---|
| Beds | 9.0 | 3.4 |
| Baths | 6.0 | 2.0 |
| Square foot | 3,609 | 1,870.903 |
| Lot Size | 5,400 | 6,256.613 |
| Price | $950.0K | $858.7K |
| Price per sq ft | $263 | $493 |
| Built year | 1980 | 1967 |
| HOA | $0 | $157 |
| Days on market | 21 | 42 |
Pricing History
Listed for Sale
Oct 3, 2026
$950,000
Initial Listing
Sold
Dec 13, 2017
$650,000
Public Record
Sold
Sep 2, 2003
$269,000
Public Record