4820 Blum Rd, Martinez, CA, 94553
About This Home
This property features a 2 bedrooms, 1-bathroom main home, and a second unit with 2 bedrooms and 1.5 bathrooms. The second unit additionally has an extra room that provides more space. A great benefit of this property is that each unit is equipped with its own PG&E meter, making an excellent opportunity for a buyer looking to live in one unit and generating rental income. Conveniently located near major commuter routes: Highways 4 and 680.
Getting Around
Car-Dependent
Very Limited Transit
Somewhat BikeableSchools
Construction
Condition
- Property condition: Existing
- Year built: 1949
Materials
- Roof: Composition
- Construction materials: Stucco,Wood Siding
Type & Style
- Home type: SingleFamily
- Architectural style: Other
- Property subType: Residential,Single Family Residence
Interior
Appliances
- Appliances included: Microwave,Refrigerator
- Laundry features: Hookups Only,Laundry Room
Bathroom
- Features: Shower Over Tub,Stall Shower
Bedrooms & Bathrooms
- Bedrooms: 5
- Bathrooms: 3
- Full bathrooms: 2
- Partial bathrooms: 1
Features
- Counter - Solid Surface
- Flooring: Laminate,Tile
- Number of fireplaces: 1
- Fireplace features: Wood Burning
- Fireplace: Yes
Heating & Cooling
- Heating features: Wall Furnace
- Cooling features: No Air Conditioning
Interior Area
- Total structure area: 1,686
- Total interior livable area: 1,686 sqft
Kitchen
- Features: Counter - Solid Surface,Microwave,Refrigerator
Property
Details
- Parcel number: 1592000184
- Special condition: Standard
- Other equipment: None
Features
- Levels: One
- Stories: 1
- Pool features: None
Lot
- Lot size: 9,583 sqft
- Features: Irregular Lot,Back Yard,Front Yard
Parking
- Parking features: No Garage
Climate Risk is Financial Risk
Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.
Biggest Threats for This Home
- Earthquake
- Inland Flooding
- Heat Wave
How This Home’s Risks Compare
FEMA Declared Disasters in Contra Costa County and California
Understanding the Costs
Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.
Estimated Costs Today
| Monthly | Annual | |
|---|---|---|
| Mortgage | $3,534 | $42,408 |
| Home Insurance * | $140 | $1,680 |
| Property Taxes | $953 | $11,436 |
| Electricity | $398 | $4,786 |
| Total | $5,025 | $60,300 |
Income You'd Need if You Spent...
California FAIR Plan Programs
How Costs Could Change Over Time
Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.
Comparing Against the Market
Price Per Sq Ft
vs Other Active Listings
Avg $/sqft
vs Homes Sold Last Month
Median $/sqft
Current Market Trends
Median Price Per Square Foot
The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.
Historicals for This Listing
Zestimate History ($/sqft)
No zestimate history available
Price History
| Date | Event | Price |
|---|---|---|
| 2026-05-13 | Pending sale | $710,000 |
| 2026-04-30 | Price change | $710,000 |
| 2026-03-27 | Price change | $724,500 |
| 2026-02-23 | Listed for sale | $749,500 |
| 2003-07-11 | Sold | $295,000 |
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