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Closed
- Listed price
- $325,000
- Listed Mar 20, 2024
- Sold price
- $250,000
- Sold Apr 9, 2024
4,600 sqft lot00|2 MLS days on market
3100 Castro St., Martinez, CA 94553
Property Description
Rare opportunity to build single family home with ADU or multiple units in the middle of downtown Martinez on a quiet street surrounded by duplexes, fourplexes and SFR. Zone R-3.Buyer to verify zoning with City of Martinez. Two car garage structure on site on slab foundation. Per Planning Department of City of Martinez: "TheR-3.5 zoning permits up to a duplex provided that your have a minimum of 3,500 square feet/unit lot size. You’ll be able to build 1 unit + 1 ADU (since the ADU does not have any minimum lot size restrictions). Functionally, that means you can have a duplex with the caveat that your “ADU” unit is size restricted to 1,200 square feet".
Listing agent: Julia KazantsevDRE #01441144juliak@vanguardproperties.com, Listing office: Vanguard Properties
MLS data updated 10/22/2026, 7:39:53 PM PT
Source: CRMLSMLS #: 41053421
Belmont insights
Price & property history
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Last recorded sale$250,000
Apr 9, 2024
Available records22024
From MLS recordsActual listing and closing events
Prices use the left axis; mortgage rates use the right. Hover, tap, or focus the chart and use the arrow keys. Red SOLD badges mark recorded sales.
This home · nearest recorded event
$250,000Closed sale · Apr 9, 2024ZIP 94553 · Apr 2024
No monthly averageAt least 3 eligible sales in this month are required.30-year fixed mortgage benchmark
No weekly rateNo published rate within 7 days of this date.This home · 2 price recordsMar 20, 2024 – Apr 9, 2024
ZIP 94553 · same property typeThis MLS property type has no exact comparison group.
Freddie Mac · national weekly ratesLoading mortgage-rate history…
Recorded sales in this period (1)
ZIP averages use publicly displayable closed sales from our licensed MLS feed, matched to the same ZIP and exact property type. Months with fewer than 3 sales are omitted; the current month is incomplete. Lines connect available monthly observations across gaps and do not represent measured prices in missing months. These averages are not adjusted for size, condition, or location within the ZIP, and are not an appraisal. Feed coverage may not include every sale. All available shows the available home and ZIP history, with mortgage rates over the same dates.
Mortgage benchmark: Freddie Mac Primary Mortgage Market Survey®. © Freddie Mac. Weekly national 30-year fixed rates, not APRs or a loan quote. Actual terms vary. Methodology changed in November 2022. The chart does not establish that interest-rate changes caused a home’s price changes.
Lines connect recorded asking and sale prices. They are visual guides, not estimates of the home’s value between those dates.
View listing & sale records
No earlier records were returned by our current sources. This does not mean the home has never sold.
MLS records may be incomplete. Earlier asking prices are not sale prices.