What year was the house at 3521 Keystone Loop, Discovery Bay, CA built?

The house at 3521 Keystone Loop, Discovery Bay, CA was built in 2003.

What type of house is at 3521 Keystone Loop, Discovery Bay, CA?

At the house at 3521 Keystone Loop, Discovery Bay, CA type Residence for Single Family.

Does the home at 3521 Keystone Loop, Discovery Bay, CA have a sales history?

The last sale of a house at 3521 Keystone Loop, Discovery Bay, CA was in 2010 for $440,000.Other sales of this house are available at the link.

Have there been any fire incidents near the house at 3521 Keystone Loop, Discovery Bay, CA?

The last fire incident at the house at 3521 Keystone Loop, Discovery Bay, CA was in 2010. Other fire incidents of this house are available at the link.

3521 Keystone Loop, Discovery Bay, CA 94505 owner and property records

Property Details

As is shown in our records this townhouse stands at 3521 Keystone Loop, Discovery Bay, CA.

Facts

Built in 2003
Lot size 6,500 sqft
Floor size 4,109 sqft
Rooms 11
Bedrooms 4
Stories 2 story with basement
Last remodel year 2004
Basement Basement (not specified)
Air conditioning Central
Interior Home Features
Flooring Hardwood, Tile
Parking & Garage
Parking Garage
Parking spaces 2

Misc

Units 1

Listing info

Last sold Nov 2010 for $440,000

Features

Fireplace
Gated Entry
Jetted Tub

Householders and Tenants for 3521 Keystone Loop, Discovery Bay CA

Possible residents contact details

Person Name	Phone Number	Additional Info
Anthony S Sunseri Age: 52	925-240-****	Job: Food Preparation and Serving Related Occupations
Christina Sunseri	408-656-****	Job: Food Preparation and Serving Related Occupations
Howard Lewis
Kriatina Sunseri
Richard Sunseri

Purchase History

Date	Event	Price	Source	Agents
11/12/2010	Sold	$440,000	Public records

Cost estimate history

Year	Tax	Assessment	Market
2014	$5,504	$385,649	N/A

Where is 3521 Keystone Loop, Discovery Bay CA located on map?

Market Activities

To date, we have no information about market activities in 2025

Mar 2021 Sold

3521 Keystone Loop

Price history :

$700K

Single Family
4,088 sqft
5 beds
4 baths

Nov 2017 Recent Rent

3521 Keystone Loop

Price history :

$2,950

4,109
5 beds
4 baths

Keystone Loop Fire Incident History

To date, we have no information about fire incidents in 2025

22 May 2010 Fire, other

3538 Keystone Loop, Discovery Bay CA

Property Use —

1 or 2 family dwelling

Area of Origin —

Vehicle area, other

First Ignition —

Magazine, newspaper, writing paper

Heat Source —

Cigarette

Properties Nearby

Street Address	Residens/Landlords
3477 Keystone Loop, Discovery Bay, CA 94505-2320 Townhome 3 beds 2 baths Lot: 7,000 sqft Built in 2003	Christopher Blomseth, Ronna L Blomseth
3483 Keystone Loop, Discovery Bay, CA 94505-2320 Townhome 3 beds 3 baths Lot: 7,000 sqft Built in 2003	Jason E Gallagher, Wayne Leblanc
3507 Keystone Loop, Discovery Bay, CA 94505-2322 Townhome 4 beds 2 baths Lot: 6,500 sqft Built in 2003	Discovery Bay Financial Svc, Colin N Scott
3508 Keystone Loop, Discovery Bay, CA 94505-2321 Townhome 3 beds 3 baths Lot: 6,800 sqft Built in 2003	Erin K Bugna, Richard A Bugna
3520 Keystone Loop, Discovery Bay, CA 94505-2321 Townhome 4 beds 2 baths Lot: 7,200 sqft Built in 2003	Ray Shepherd, Reyhan Shepherd
3527 Keystone Loop, Discovery Bay, CA 94505-2322 Townhome 5 beds 4 baths Lot: 6,800 sqft Built in 2003	Kristina Batchelder, Jerry Johnson
3532 Keystone Loop, Discovery Bay, CA 94505-2321 Townhome 3 beds 3 baths Lot: 6,500 sqft Built in 2003	Ben Carey, Amanda Carie
3533 Keystone Loop, Discovery Bay, CA 94505-2322 Townhome 4 beds 3 baths Lot: 7,000 sqft Built in 2003	Chandran Arulanandan, Nicholas T Avignone
3538 Keystone Loop, Discovery Bay, CA 94505-2321 Townhome 5 beds 4 baths Lot: 7,500 sqft Built in 2003	Bobby J Delima, D Delima
3545 Keystone Loop, Discovery Bay, CA 94505-2322 Townhome 4 beds 3 baths Lot: 6,500 sqft Built in 2003	Arturo Perez, Juanita Perez