NOT LISTED FOR SALE

621 Sand Hook Isle Alameda, CA 94501

South Shore Neighborhood

Estimated Value: $1,588,334

4 Beds
2 Baths
1,841 Sq Ft
$863/Sq Ft Est. Value

Last Sold January 04, 2022

Last sale price $1,525,000 $828 Per Sq Ft

Est. 4% increase in value since last sale

Current estimated payment $10,369/month

9 Days on Market

Highlights

  • Home fronts a lagoon or estuary
  • Traditional Architecture
  • Formal Dining Room
  • Franklin Elementary Rated A
  • No HOA
  • Family Room Off Kitchen

About This Home

As of January 2022

This home is located at 621 Sand Hook Isle, Alameda, CA 94501 since 30 November 2021 and is currently priced at $1,588,334, approximately $862 per square foot. This property was built in 1964. 621 Sand Hook Isle is a home located in Alameda County with nearby schools including Franklin Elementary, Will C. Wood Middle School, and Encinal Junior/Senior High.

Last Agent to Sell the Property

Annestelle Maes

Keller Williams Realty License #01297984 Listed on: 11/30/2021

Keller Williams Realty

Last Buyer's Agent

Quinn Stone

Bayside Real Estate License #01368893

Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $20,583

Year Built

  • Built in 1964

Lot Details

  • 6,000 Sq Ft Lot
  • Home fronts a lagoon or estuary
  • Landscaped
  • Garden
  • Back and Front Yard

Parking

  • 2 Car Garage

Home Design

  • Traditional Architecture
  • Shingle Roof
  • Stucco

Interior Spaces

  • 1-Story Property
  • Family Room Off Kitchen
  • Living Room with Fireplace
  • Formal Dining Room
  • Carpet
  • Laundry in Garage

Kitchen

  • Breakfast Bar
  • Tile Countertops

Bedrooms and Bathrooms

  • 4 Bedrooms
  • 2 Full Bathrooms

Home Security

  • Carbon Monoxide Detectors
  • Fire and Smoke Detector

Utilities

  • No Cooling
  • Forced Air Heating System
  • Gas Water Heater

Community Details

  • No Home Owners Association
  • Contra Costa Association
  • South Shore Subdivision

Home Details

Home Type

Single Family

Est. Annual Taxes

$20,583

Year Built

Built in 1964

Lot Details

0

Parking

2

Listing Details

  • Stories: 1
  • Year Built: 1964
  • Property Sub Type: Single Family Residence
  • Prop. Type: Residential
  • Lot Size Acres: 0.14
  • Subdivision Name: SOUTH SHORE
  • Directions: Otis to Sand Creek Isle
  • Architectural Style: Traditional
  • Carport Y N: No
  • Garage Yn: Yes
  • Unit Levels: One Story
  • New Construction: No
  • ResoPropertyType: Residential
  • ResoBuildingAreaSource: PublicRecords
  • Special Features: None

Interior Features

  • Flooring: Carpet
  • Appliances: Refrigerator, Gas Water Heater
  • Full Bathrooms: 2
  • Total Bedrooms: 4
  • Fireplace Features: Living Room
  • Fireplaces: 1
  • Fireplace: Yes
  • Interior Amenities: Formal Dining Room, Kitchen/Family Combo, Breakfast Bar, Tile Counters
  • Room Kitchen Features: Breakfast Bar, Counter - Tile, Refrigerator

Exterior Features

  • Roof: Shingle
  • Lot Features: Court, Level, Premium Lot
  • Pool Features: None
  • Pool Private: No
  • Waterfront Features: Lagoon
  • Construction Type: Stucco
  • Exterior Features: Back Yard, Front Yard, Garden/Play, Side Yard, Landscape Back, Landscape Front
  • Property Condition: Existing

Garage/Parking

  • Garage Spaces: 2
  • Attached Garage: No
  • Covered Parking Spaces: 2
  • Parking Features: Garage

Utilities

  • Heating: Forced Air
  • Cooling: None
  • Laundry Features: In Garage
  • Security: Carbon Monoxide Detector(s), Smoke Detector(s)
  • Cooling Y N: No
  • Heating Yn: Yes
  • Electric: No Solar

Condo/Co-op/Association

  • Association Name: CONTRA COSTA
  • Association: No

Lot Info

  • Lot Size Sq Ft: 6000
  • ResoLotSizeUnits: Acres

Ownership History

Date Name Owned For Owner Type

Purchase Details

Closed on
Mar 23, 2023
Sold by
Penston George Stapleton and Penston Zoe
Bought by
George And Zoe Penston Living Trust
Current Estimated Value
$1,588,334

Purchase Details

Listed on
Nov 30, 2021
Closed on
Dec 27, 2021
Sold by
Osterdock Dennis Wayne and Osterdock Arthur D
Bought by
Penston George Stapleton and Penston Zoe
Seller's Agent
Annestelle Maes
Keller Williams Realty
Buyer's Agent
Quinn Stone
Bayside Real Estate
Sold Price
$1,525,000

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
0.95%
Original Mortgage
$1,200,000
Interest Rate
3.11%
Mortgage Type
New Conventional

Purchase Details

Closed on
Jun 17, 2010
Sold by
Osterdock Arthur D and Osterdock Wanda F
Bought by
Osterdock Arthur D and Osterdock Wanda F
Source: Public Records

Range of Values:

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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

Date Buyer Sale Price Title Company
George And Zoe Penston Living Trust -- None Listed On Document
Penston George Stapleton $1,525,000 North American Title Co Inc
Osterdock Arthur D -- None Available
Source: Public Records

Mortgage History

Date Status Borrower Loan Amount
Previous Owner Penston George Stapleton $1,200,000
Source: Public Records

Property History

Date Event Price Change Sq Ft Price
02/04/2025 02/04/25 Off Market $1,525,000 -- --
01/04/2022 01/04/22 Sold $1,525,000 -- $828 / Sq Ft
12/09/2021 12/09/21 Pending -- -- --
Source: Contra Costa Association of REALTORS®

Tax History Compared to Growth

Source: Public Records

Tax History

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
2025 $20,583 $1,618,330 $485,499 $1,132,831
2024 $20,583 $1,507,000 $452,100 $1,054,900
2023 $18,873 $1,403,000 $420,900 $982,100
2022 $4,470 $184,585 $109,508 $82,077
2021 $3,308 $180,829 $107,361 $80,468
2020 $3,260 $185,904 $106,261 $79,643
2019 $3,158 $182,258 $104,177 $78,081
2018 $3,077 $178,685 $102,135 $76,550
2017 $2,952 $175,181 $100,132 $75,049
2016 $2,932 $171,747 $98,169 $73,578
2015 $2,911 $169,168 $96,695 $72,473
2014 $2,748 $165,854 $94,801 $71,053
Source: Public Records

Agents Affiliated with this Home

  • Annestelle Maes

    Seller's Agent in 2022

    Annestelle Maes

    Keller Williams Realty

    (925) 855-8333

    2 in this area

    59 Total Sales

    Section Image
  • Quinn Stone

    Buyer's Agent in 2022

    Quinn Stone

    Bayside Real Estate

    (510) 326-9697

    5 in this area

    22 Total Sales

    Section Image
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Map

Source: Contra Costa Association of REALTORS®

MLS Number: 40975172

Contra Costa Association of REALTORS®

APN: 074-1290-129-00

California Alameda County Alameda 94501 South Shore

621 Sand Hook Isle, Alameda, CA

This home is located at 621 Sand Hook Isle, Alameda, CA 94501 since 30 November 2021 and is currently priced at $1,588,334, approximately $862 per square foot. This property was built in 1964. 621 Sand Hook Isle is a home located in Alameda County with nearby schools including Franklin Elementary, Will C. Wood Middle School, and Encinal Junior/Senior High.

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Contra Costa Association of REALTORS® Bay East ©2025. BridgeMLS ©2025, CCAR ©2025. 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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