RENTED MAY 7, 2026

20992 Cornerstone Dr Walnut, CA 91789

Estimated Value: $853,000 - $1,051,000

4 Beds
3.5 Baths
1,983 Sq Ft
0.4 Acres Lot

Sale Details

Date Sold: February 9, 2018

Last sale price $718,000 $362 Per Sq Ft

Est. 32% increase in value since last sale

Current estimated payment $5,854 / mo

Highlights

  • No Units Above
  • Two Primary Bedrooms
  • Main Floor Primary Bedroom
  • Vejar Elementary School Rated A
  • Open Floorplan
  • High Ceiling

About This Home

As of May 2026

Welcome to this beautifully maintained corner end-unit home in the highly desirable Astoria at Cornerstone community. Offering 4 bedrooms, 3.5 bathrooms, and approximately 1,983 sq ft of living space, this bright and spacious residence features high ceilings, contemporary finishes, and abundant natural light throughout. The first level includes a private bedroom with ensuite bath, ideal for guests, extended family, or a home office. The main living area on the second floor features wood flooring, an open-concept living and dining area, a private balcony, powder room, and a modern kitchen with a large center island, quartz/granite countertops, and ample cabinet storage. The top floor offers 3 additional bedrooms, including a spacious primary suite with private bath, plus two secondary bedrooms, a hall bathroom, and a convenient upstairs laundry room. Additional highlights include central A/C and heat, an attached 2-car garage, and an excellent location within walking distance to Walnut High School and Suzanne Middle School, both part of the highly regarded Walnut Valley Unified School District. Conveniently located near freeway access, Metrolink stations, shopping, dining, and everyday amenities. Move-in ready in late April. Pets considered with additional deposit.

Last Agent to Rent the Property

Jon Mak

Faith Realty Brokerage Phone: 310-658-9317 License #01890906 Listed on: 04/19/2026

Last Renter's Agent

Madison Gorgone

RE/MAX TOP PRODUCERS License #02106767

RE/MAX TOP PRODUCERS

Condo Details

Home Type

  • Condominium

Year Built

  • Built in 2018 | Remodeled

Lot Details

  • No Units Above
  • End Unit
  • No Units Located Below
  • 1 Common Wall

Parking

  • 2 Car Direct Access Garage
  • Parking Available

Home Design

  • Entry on the 1st floor
  • Spanish Tile Roof
  • Concrete Roof

Interior Spaces

  • 1,983 Sq Ft Home
  • 3-Story Property
  • Open Floorplan
  • Wired For Data
  • High Ceiling
  • Recessed Lighting
  • Entryway
  • Great Room
  • Family Room Off Kitchen
  • Dining Room
  • Home Security System

Kitchen

  • Open to Family Room
  • Eat-In Kitchen
  • Gas Range
  • Water Line To Refrigerator
  • Dishwasher
  • Kitchen Island
  • Granite Countertops
  • Quartz Countertops
  • Disposal

Bedrooms and Bathrooms

  • 4 Bedrooms | 1 Primary Bedroom on Main
  • Double Master Bedroom
  • Walk-In Closet
  • Upgraded Bathroom
  • Dual Vanity Sinks in Primary Bathroom
  • Private Water Closet
  • Bathtub with Shower
  • Walk-in Shower
  • Exhaust Fan In Bathroom
  • Closet In Bathroom

Laundry

  • Laundry Room
  • Laundry on upper level
  • Washer and Gas Dryer Hookup

Outdoor Features

  • Balcony
  • Exterior Lighting
  • Rain Gutters

Location

  • Suburban Location

Schools

  • Vejar Elementary School
  • Suzanne Middle School
  • Walnut High School

Utilities

  • Forced Air Zoned Heating and Cooling System
  • Heating System Uses Natural Gas
  • Underground Utilities
  • Natural Gas Connected
  • Tankless Water Heater
  • Phone Available
  • Cable TV Available

Listing and Financial Details

  • Security Deposit $5,800
  • Rent includes association dues
  • 12-Month Minimum Lease Term
  • Available 4/20/26
  • Tax Lot 42
  • Tax Tract Number 73294
  • Assessor Parcel Number 8720047076

Community Details

Overview

  • Property has a Home Owners Association
  • 61 Units

Pet Policy

  • Pet Deposit $500
  • Dogs and Cats Allowed

Security

  • Carbon Monoxide Detectors

Condo Details

Home Type

Condominium

Year Built

Built in 2018 | Remodeled

Lot Details

0.4 Acres

Parking

2

Rental Info

  • Cashiers Check: Pet Deposit, 1ST Month Rent, Security Deposit
  • Available Date: 2026-04-20
  • Credit Check: Yes
  • Credit Check Paid By: Tenant
  • Deposit Pets: 500
  • Deposit Security: 5800
  • Furnished: Unfurnished
  • Pets Allowed: Dogs OK, Cats OK
  • Total Move In Costs: 10000.00
  • Transfer Fee Paid By: Tenant

Listing Details

  • Structure Type: House
  • Inclusions: Refrigerator, Washer/Dryer
  • Property Attached: Yes
  • Security: Carbon Monoxide Detector(s), Security System
  • View: No
  • Property Condition: Updated/Remodeled
  • Property Sub Type: Condominium
  • Property Type: Residential Lease
  • Parcel Number: 8720047076
  • Year Built: 2018
  • Special Features: None

Interior Features

  • Fireplace: No
  • Living Area: 1983.00 Square Feet
  • Interior Amenities: Wired for Data, Balcony, High Ceilings, Recessed Lighting, Open Floorplan, Stone Counters, Granite Counters
  • Stories: 3
  • Common Walls: End Unit, 1 Common Wall, No One Below, No One Above
  • Appliances: Yes
  • Full Bathrooms: 3
  • Half Bathrooms: 1
  • Total Bedrooms: 4
  • Eating Area: Dining Room, In Kitchen
  • Entry Level: 1
  • Levels: Three Or More
  • Main Level Bathrooms: 1
  • Main Level Bedrooms: 1
  • Price Per Square Foot: 2.12
  • Room Type: Walk-In Closet, Entry, Laundry, Main Floor Primary Bedroom, Two Primaries, Kitchen, Great Room
  • Bathroom Features: Upgraded, Shower In Tub, Closet In Bathroom, Exhaust Fan(s), Walk-In Shower, Privacy Toilet Door, Bathtub, Double Sinks In Primary Bath, Shower
  • Room Kitchen Features: Kitchen Open To Family Room, Quartz Counters, Kitchen Island

Exterior Features

  • Exterior Features: Rain Gutters
  • Pool Private: No
  • Roof: Spanish Tile, Concrete
  • Spa: No

Garage/Parking

  • Attached Garage: Yes
  • Garage Spaces: 2.00
  • Parking: Yes
  • Parking Features: Direct Garage Access
  • Total Parking Spaces: 2.00

Utilities

  • Utilities: Natural Gas Connected, Phone Available, Sewer Connected, Cable Available, Electricity Connected, Underground Utilities, Water Connected
  • Heating: Yes
  • Laundry: Yes
  • Appliances: Disposal, Refrigerator, Tankless Water Heater, Gas Range, Water Line to Refrigerator, Dishwasher
  • Heating Type: Natural Gas, Forced Air, Central
  • Laundry Features: Gas Dryer Hookup, Individual Room, Upper Level, Washer Hookup
  • Sewer: Public Sewer
  • Water Source: Public
  • Cooling: Dual, Central Air, Zoned
  • Cooling: Yes

Condo/Co-op/Association

  • Association: Yes
  • Senior Community: No
  • Community Features: Street Lights, Storm Drains, Sidewalks, Suburban

Schools

  • Elementary School: Vejar
  • High School: Walnut
  • Middle Or Junior School: Suzanne
  • Elementary School #2: VEJAR
  • High School2: WALNUT

Lot Info

  • Additional Parcels: No
  • Lot Size Sq Ft: 17474.00
  • Lot Size Acres: 0.4011

Multi Family

  • Insurance Water Furniture: Yes
  • Lease Term: 12 Months
  • Lot Size Area: 17474.0000 Square Feet
  • Management Co: Faith Realty Ppty Management
  • Management Co Phone: 3103286688
  • Number Of Units In Community: 61
  • Number Of Units Total: 61
  • Rent Includes: Association Dues

Tax Info

  • Tax Lot: 42
  • Tax Tract Number: 73294

Range of Values:

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Value Increase
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Percent Increase
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Adjusted for Inflation
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Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Property History

Date Event Price List to Sale Price per Sq Ft Prior Sale
05/07/2026 05/07/26 Rented $4,200 0.0% --
05/05/2026 05/05/26 Under Contract -- -- --
05/04/2026 05/04/26 Off Market $4,200 -- --
04/19/2026 04/19/26 For Rent $4,200 0.0% --
02/09/2018 02/09/18 Sold $718,000 -1.4% $362 / Sq Ft View Prior Sale
01/11/2018 01/11/18 Pending -- -- --
10/13/2017 10/13/17 Price Changed $728,000 -1.5% $367 / Sq Ft
09/08/2017 09/08/17 For Sale $738,900 -- $373 / Sq Ft
Source: California Regional Multiple Listing Service (CRMLS)

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 $9,690 $816,957 $486,761 $330,196
2024 $9,690 $800,939 $477,217 $323,722
2023 $9,450 $785,235 $467,860 $317,375
2022 $9,253 $769,839 $458,687 $311,152
2021 $9,081 $754,745 $449,694 $305,051
2019 $8,775 $732,360 $436,356 $296,004
2018 $2,570 $207,211 $207,211 $0
Source: Public Records

Agents Affiliated with this Home

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Map

Source: California Regional Multiple Listing Service (CRMLS)

MLS Number: SB26083944

California Regional Multiple Listing Service (CRMLS)

APN: 8720-047-076

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