NOT LISTED FOR SALE

1801 Castro St Martinez, CA 94553

Martinez Area

Estimated Value: $793,000 - $948,000

4 Beds
3 Baths
2,194 Sq Ft
$408/Sq Ft Est. Value

Sale Details

Date Sold: August 13, 2020

Last sale price $815,000 $371 Per Sq Ft

Est. 10% increase in value since last sale

Current estimated payment $5,857 / mo

23 Days on Market

Highlights

  • No HOA
  • Tankless Water Heater
  • ENERGY STAR Qualified Appliances
  • Cooling Available
  • Tile Flooring
  • Forced Air Heating System

About This Home

As of August 2020

Welcome to 1801/1803 Castro. This beautifully updated Duplex is being sold as one APN. The units have separate PGE meters. Property has extensive upgrades to include a recently bolted foundation, Liftmaster garage door, improved electrical, new carpeting in upstairs bedrooms, flooring, lighting, tank less water heater, multiple drainage and water mitigation improvements (see disclosure package for specifics) and also has been freshly painted. There is a large enclosed shared yard with timed sprinklers, a mature and producing orange tree, shade trees, a space to BBQ and play. There is a second side yard for RV or boat storage, and/or a place to plant a sun drenched vegetable garden. The 2 car garage is attached, to go along with plenty of street parking. Laundry is upstairs and securely shared between the two units via the new outside redwood stairwell that connects them.

Last Agent to Sell the Property

Tom Stack

Coldwell Banker License #01501769 Listed on: 05/15/2020

Coldwell Banker

Last Buyer's Agent

Megan Gurrentz

Compass License #02090547

Compass

Property Details

Home Type

  • Multi-Family

Year Built

  • Built in 1918

Lot Details

  • 5,000 Sq Ft Lot

Parking

  • Garage

Home Design

  • Duplex
  • Composition Shingle Roof
  • Composition Shingle
  • Stucco

Kitchen

  • Dishwasher
  • ENERGY STAR Qualified Appliances
  • Disposal

Flooring

  • Carpet
  • Laminate
  • Tile

Bedrooms and Bathrooms

  • 4 Bedrooms
  • 3 Bathrooms

Laundry

  • Laundry in unit
  • Dryer
  • Washer
  • 220 Volts In Laundry

Utilities

  • Cooling Available
  • Forced Air Heating System
  • Tankless Water Heater

Community Details

  • No Home Owners Association

Listing and Financial Details

  • Assessor Parcel Number 3722750076

Property Details

Home Type

Multi-Family

Year Built

Built in 1918

Lot Details

5,000 Sq Ft Lot

Listing Details

  • Year Built: 1918
  • Property Sub Type: Duplex
  • Prop. Type: Residential Income
  • Directions: Alhambra to Robinson to Castro
  • Garage Yn: Yes
  • Special Features: None

Interior Features

  • Flooring: Laminate, Tile, Carpet
  • Appliances: Dishwasher, Disposal, Dryer, Washer, Tankless Water Heater, ENERGY STAR Qualified Appliances
  • Accessibility Features: Other
  • Total Bedrooms: 4
  • Fireplace: No
  • Window Features: Window Coverings

Exterior Features

  • Roof: Composition Shingles
  • Lot Features: Level
  • View: Other
  • Construction Type: Composition Shingles, Stucco

Utilities

  • Heating: Forced Air
  • Laundry Features: 220 Volt Outlet, Common Area, Dryer, In Unit, Laundry Equip - Owned, Washer
  • Cooling Y N: Yes
  • Heating Yn: Yes
  • Electric: No Solar

Condo/Co-op/Association

  • Association: No

Lot Info

  • Lot Size Sq Ft: 5000
  • Parcel Number: 3722750076

Ownership History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Name Owned For Owner Type

Purchase Details

Listed on
May 15, 2020
Closed on
Jul 8, 2020
Sold by
Bought by
Seller's Agent
Tom Stack
Coldwell Banker
Buyer's Agent
Megan Gurrentz
Compass
List Price
$815,000
Sold Price
$815,000
Current Estimated Value
$895,124

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
$80,124
Avg. Annual Appreciation
1.59%
Original Mortgage
$692,750
Interest Rate
0.03%
Mortgage Type
New Conventional

Purchase Details

Closed on
Feb 20, 2015
Sold by
Bought by

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$392,000
Interest Rate
0.036%
Mortgage Type
New Conventional

Purchase Details

Closed on
Aug 9, 2014
Sold by
Bought by

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$105,000
Interest Rate
0.0408%
Mortgage Type
Unknown

Purchase Details

Closed on
Sep 24, 1997
Sold by
Bought by
Source: Public Records

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
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Average Value
Not Available
List Price
Sold Price
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Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Buyer Sale Price Title Company
$815,000 Old Republic Title Company
$560,000 Old Republic Title Company
$350,000 Chicago Title Company
$135,000 First American Title Guarant
Source: Public Records

Mortgage History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Status Borrower Loan Amount
Open $692,750
Previous Owner $392,000
Previous Owner $105,000
Previous Owner $140,000
Source: Public Records

Property History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Event Price List to Sale Price per Sq Ft
06/16/2025 06/16/25 Off Market $815,000 -- --
02/04/2025 02/04/25 Off Market $815,000 -- --
08/13/2020 08/13/20 Sold $815,000 0.0% $371 / Sq Ft
06/07/2020 06/07/20 Pending -- -- --
05/15/2020 05/15/20 For Sale $815,000 -- $371 / Sq Ft
Source: Contra Costa Association of REALTORS®

Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2026 $11,760 $899,822 $447,151 $452,671
2025 $11,760 $882,180 $438,384 $443,796
2024 $11,076 $864,884 $429,789 $435,095
2023 $11,076 $847,926 $421,362 $426,564
2022 $11,134 $831,300 $413,100 $418,200
2021 $10,804 $815,000 $405,000 $410,000
2019 $8,363 $603,336 $323,216 $280,120
2018 $8,122 $591,507 $316,879 $274,628
2017 $7,973 $579,910 $310,666 $269,244
2016 $7,437 $568,540 $304,575 $263,965
2015 $5,685 $411,800 $275,000 $136,800
2014 $2,969 $175,829 $105,499 $70,330
Source: Public Records

Agents Affiliated with this Home

  • Tom Stack

    Seller's Agent in 2020

    Tom Stack

    Coldwell Banker

    (925) 878-9964

    47 Total Sales

    Tom Stack
    Section Image
  • Megan Gurrentz

    Buyer's Agent in 2020

    Megan Gurrentz

    Compass

    (720) 936-6711

    16 Total Sales

    Megan Gurrentz
    Section Image
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Map

Source: Contra Costa Association of REALTORS®

MLS Number: 40904908

Contra Costa Association of REALTORS®

APN: 372-275-007-6

California Contra Costa County Martinez 94553

1801 Castro St, Martinez, CA

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Contra Costa Association of REALTORS® Bay East ©2026. BridgeMLS ©2026, CCAR ©2026. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, BridgeMLS or CCAR MLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

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