Off Market Feb 2026 for $650K
$700,903
Est. refi paymentEst. refi $4,679/mo
3
bd
1 ba
936
sq ft

823 Shell Ave, Martinez, CA 94553

map-entry

About this home

Single-familyProperty Type
1956Year Built
$749Est. Price/Sq.Ft.
1 garage spacesParking
Listed by Josiah Wotila DRE #02162016 Coldwell Banker Realty
817-637-8062 (agent)
Bought with Tina Kaur-Campbell DRE #01996066 Keller Williams Realty
Redfin checked: a minute ago
Source:BAREIS #326001763

Redfin Estimate

$700,903
$51K since sold in February 2026$4,000 since August

This home's estimate is 10.7% higher than the average sale price ($633K) of 6 comparable homes.

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Earn from this home

Sell
$148,596
Est. take-home

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Refinance
$0
Est. cash available

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Rent
$2,640/mo
Redfin rental estimate

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Market trends in 94553, CA

Sale history for 823 Shell Ave

Tax history for 823 Shell Ave

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Beds
3
Baths
1
Stories
1
Lot width
Lot depth
Lot size
4,750 Sq. Ft.
Year renovated
1970
Sq. Ft.
936
Year built
1956
Style
Single Family Residential
County
Contra Costa County
APN
3751310032
Parking Spaces
Basement
Accessible
HOA Dues
Garage
Features
Last updated by owner on Jul 13, 2026.

Property details

Around this home

Schools

Morello Park Elementary School

Public K-5 • Assigned • 1.4mi

9/10
Martinez Junior High School

Public 6-8 • Assigned • 0.5mi

7/10
Alhambra Senior High School

Public 9-12 • Assigned • 0.6mi

8/10
Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

5/10 Fire Factor

3% chance of being in a wildfire in next 30 years

4/10 Heat Factor

7 days above 97° expected this year, 15 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

8/10 Air Factor

13 unhealthy days expected this year, 13 days in 30 years

Provided by First Street

Historical weather

Martinez, CA • 94553
Average low and high temperatures (°F)
60
43
62
45
70
49
70
49
77
53
80
55
80
56
87
59
84
59
78
56
64
49
56
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Sun exposure

In this area, properties receive around 11.8 hours in June and 4.8 hours in December, placing it above the U.S. average for solar exposure.

11.8 hrs
4.8 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$666,000 – $807,000

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Property information provided by BAREIS when last listed in 2026. This data may not match public records. Learn more.
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GreatSchools Ratings provided by GreatSchools.org.