NOT LISTED FOR SALE

Estimated Value: $1,832,000 - $2,611,000

4 Beds
3 Baths
3,503 Sq Ft
$684/Sq Ft Est. Value

Last Sold April 23, 2021

Last sale price $2,010,000 $574 Per Sq Ft

Est. 19% increase in value since last sale

Current estimated payment $15,285/month

6 Days on Market

Highlights

  • Updated Kitchen
  • 0.97 Acre Lot
  • Contemporary Architecture
  • Walnut Acres Elementary School Rated A-
  • Ridge View
  • Family Room with Fireplace

About This Home

As of April 2021

Welcome Home to 821 Bertram St. This quality built estate offers the perfect combination of luxury and comfort, offering the finest of finishes accompanied with an amazing open floor plan. Gleaming Brazilian Hardwood floors, high ceilings, and a stunning Chef's Dream kitchen are all part of what makes this home so special. The formal living room & dining room feature solid hardwood flooring, crown moulding, fireplace in living room The chef's kitchen offers the finest in finishes with beautiful white cabinetry and stainless appliances : Wine Fridge Thermador range, (with a commercial grade hood), GE Monogram  refrigerator and oven. The kitchen opens up to dine in area , family room and overlooks the gorgeous backyard. Desirable HOME OFFICE with built ins, and french doors. Backyard is spectacular with patio, lush lawns and the most gorgeous platform for watching the sunset as well as the ideal at home Sport Court! Located near: Northgate High, Shadowbrook Winery, Mt. Diablo, more!

Last Listed By

Angela Clay

Dudum Real Estate Group License #01361143 Listed on: 03/18/2021

Dudum Real Estate Group

Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $23,914

Year Built

  • Built in 1997

Lot Details

  • 0.97 Acre Lot
  • Fenced
  • Landscaped
  • Rectangular Lot
  • Terraced Lot
  • Garden
  • Back and Front Yard

Parking

  • 3 Car Attached Garage
  • Garage Door Opener

Property Views

  • Ridge
  • Mount Diablo
  • Hills

Home Design

  • Contemporary Architecture
  • Traditional Architecture
  • Slab Foundation
  • Stucco

Interior Spaces

  • 2-Story Property
  • Family Room with Fireplace
  • 2 Fireplaces
  • Family Room Off Kitchen
  • Living Room with Fireplace
  • Formal Dining Room
  • Home Office
  • Library

Kitchen

  • Updated Kitchen
  • Breakfast Area or Nook
  • Eat-In Kitchen
  • Gas Range
  • Dishwasher
  • Stone Countertops

Flooring

  • Wood
  • Carpet
  • Tile

Bedrooms and Bathrooms

  • 4 Bedrooms
  • 3 Full Bathrooms

Utilities

  • Zoned Heating and Cooling
  • 220 Volts in Kitchen

Community Details

  • No Home Owners Association
  • Contra Costa Association
  • North Gate Subdivision

Listing and Financial Details

  • Assessor Parcel Number 138130004

Home Details

Home Type

Single Family

Est. Annual Taxes

$23,914

Year Built

Built in 1997

Lot Details

0

Parking

3

Listing Details

  • Stories: 2
  • Year Built: 1997
  • Property Sub Type: Single Family Residence
  • Prop. Type: Residential
  • Lot Size Acres: 0.97
  • Subdivision Name: NORTH GATE
  • Directions: Northgate rd. to Bertram
  • Architectural Style: Contemporary, Traditional
  • Carport Y N: No
  • Garage Yn: Yes
  • Unit Levels: Two Story
  • New Construction: No
  • ResoPropertyType: Residential
  • ResoBuildingAreaSource: PublicRecords
  • Special Features: VirtualTour

Interior Features

  • Flooring: Carpet, Hardwood Flrs Throughout, Tile
  • Appliances: Dishwasher, Gas Range, Refrigerator
  • Full Bathrooms: 3
  • Total Bedrooms: 4
  • Fireplace Features: Family Room, Living Room
  • Fireplaces: 2
  • Fireplace: Yes
  • Interior Amenities: Family Room, Formal Dining Room, Kitchen/Family Combo, Library, Office, Breakfast Nook, Stone Counters, Eat-in Kitchen, Updated Kitchen
  • Window Features: Window Coverings
  • Room Kitchen Features: 220 Volt Outlet, Breakfast Nook, Counter - Stone, Dishwasher, Eat In Kitchen, Gas Range/Cooktop, Refrigerator, Updated Kitchen

Exterior Features

  • Fencing: Fenced
  • Lot Features: Premium Lot, Regular
  • Pool Features: None
  • Pool Private: No
  • View: Hills, Mt Diablo, Ridge
  • View: Yes
  • Construction Type: Stucco
  • Exterior Features: Backyard, Back Yard, Front Yard, Garden/Play, Side Yard, Sprinklers Automatic, Terraced Up, Landscape Back, Landscape Front
  • Foundation Details: Slab
  • Property Condition: Existing

Garage/Parking

  • Garage Spaces: 3
  • Attached Garage: Yes
  • Covered Parking Spaces: 3
  • Parking Features: Attached, Garage Door Opener

Utilities

  • Heating: Zoned
  • Cooling: Zoned
  • Laundry Features: Laundry Room
  • Cooling Y N: Yes
  • Heating Yn: Yes
  • Electric: No Solar, 220 Volts in Kitchen
  • Electricity On Property: Yes
  • Sewer: Public Sewer
  • Water Source: Public

Condo/Co-op/Association

  • Association Name: CONTRA COSTA
  • Association: No

Lot Info

  • Lot Size Sq Ft: 42210
  • Parcel Number: 138130004
  • ResoLotSizeUnits: Acres

Ownership History

Date Name Owned For Owner Type

Purchase Details

Closed on
May 17, 2022
Sold by
Glass Anthony B and Glass Lisa A
Bought by
Glass Family Trust
Total Days on Market
6
Current Estimated Value
$2,397,613

Purchase Details

Closed on
Feb 15, 2021
Sold by
Nai John A and Nai Elise
Bought by
Glass Anthony B and Glass Lisa A

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$1,608,000
Interest Rate
3.05%
Mortgage Type
New Conventional

Purchase Details

Closed on
Feb 13, 2015
Sold by
Nai John A and Nai Elise J
Bought by
Nai Family Trust

Purchase Details

Closed on
Mar 5, 2010
Sold by
Nai John A and Nai Elise J
Bought by
Nai John A and Nai Elise J

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$417,000
Interest Rate
4.93%
Mortgage Type
New Conventional

Purchase Details

Closed on
Dec 6, 1999
Sold by
Nai John A and Nai Elsie
Bought by
Nai John A and Nai Elise J

Purchase Details

Closed on
Mar 18, 1998
Sold by
Trident Associates Llc
Bought by
Nai John A and Nai Elsie J

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$508,750
Interest Rate
7.06%
Mortgage Type
Purchase Money Mortgage

Purchase Details

Closed on
Dec 6, 1996
Sold by
Richard Mudgett Tre and Mudgett Gail Lee Revocable Trust
Bought by
Trident Associates Llc

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$2,520,000
Interest Rate
7.56%
Mortgage Type
Construction

Purchase Details

Closed on
Feb 12, 1996
Sold by
Mudgett Gail Lee and Mudgett Richard Lee
Bought by
Mudgett Gail Lee and Mudgett Richard Lee

Range of Values:

Collateral Analytics

Collateral Analytics Collateral Analytics AVMs (Automated Valuation Model) employ a number of statistical approaches combined with neighborhood-specific comparable selection guarantees the most up-to-date and precise valuations.

Not Available

Collateral Analytics does not have data for the current month. Please view the chart for historical values.

ICE

ICE Mortgage Technology ICE Mortgage Technology’s AVM (Automated Valuation Model) is a state-of-the-art online residential property valuation tool that provides a quick and accurate estimate of the value of almost any home in the U.S.

Not Available

ICE Mortgage Technology does not have data for the current month. Please view the chart for historical values.

First American

First American First American Data & Analytics’ next-generation AVM combines unrivaled data assets with a blended ensemble of valuation models to produce highly accurate, reliable valuations you can trust.

Not Available

First American does not have data for the current month. Please view the chart for historical values.

Quantarium

Quantarium Quantarium’s valuation service, repeatedly proven the industry’s most accurate and comprehensive, is supercharged with a self-learning and auto-tuning AI engine that continually becomes smarter and more accurate as it processes daily inputs from the industry’s leading RE data lake.

Not Available

Quantarium does not have data for the current month. Please view the chart for historical values.

Average Value
Not Available
List Price
Sold Price
Create a Home Valuation Report for This Property
The Home Valuation Report is an in-depth analysis detailing your home's value as well as a comparison with similar homes in the area

Similar Homes in Walnut Creek, CA

  • 111 Hilltop Crescent, Walnut Creek, CA 94597

    $3,080,000

    • 4 Beds
    • 3.5 Baths
    • 3,572 Sq Ft
    • 111 Hilltop Crescent
    • Walnut Creek, CA

    Live above the clouds on Acalanes Ridge. This 1.12-acre hilltop estate offers unmatched tranquility, sweeping views, and timeless mid-century modern design. A private 300-ft driveway leads to a 3,572 sq. ft. retreat featuring an all-glass living area, 3-car garage, workshop, car lift, and parking for 10+. Enjoy breathtaking vistas of Mt. Diablo, the Carquinez Straits, and city lights. The chef’s

    Peter Andersen Keller Williams Realty

    Section Image
  • 3706 Waterford Ln, Walnut Creek, CA 94598

    $2,200,000

    • 4 Beds
    • 3.5 Baths
    • 3,857 Sq Ft
    • 3706 Waterford Ln
    • Walnut Creek, CA

    Welcome to this stunning, well-mained, sun-filled 4 beds, 3.5-baths home in the heart of Walnut Creek. Spacious 3,857 sqft layout on a generous 13,503 sqft lot, ample room for comfortable living. The kitchen is a chef's dream,gas cooktop,tile countertops, built-in ovens, a double oven, a dishwasher, a microwave, and a refrigerator, all complemented by a central island. The home boasts high

    Ting Wang Compass

    Section Image
  • 195 Pine Creek Rd, Walnut Creek, CA 94598

    $2,950,000

    • 4 Beds
    • 3.5 Baths
    • 4,507 Sq Ft
    • 195 Pine Creek Rd
    • Walnut Creek, CA

    Experience elevated California country living in this custom, private one-acre estate tucked along a bucolic lane near the Mt. Diablo foothills—just minutes from top-rated schools, upscale shopping, and dining. This spacious 4 BD, 3.5 BA residence offers generous living and entertaining spaces with soaring ceilings and views of serene gardens. Highlights include a luxurious downstairs primary

    Thomas Stieber Tom Stieber, Broker

    Section Image
  • 2927 Comistas Dr, Walnut Creek, CA 94598

    $2,589,000

    • 4 Beds
    • 3 Baths
    • 2,714 Sq Ft
    • 2927 Comistas Dr
    • Walnut Creek, CA

    Stunning home Located on 1.22 acres in the heart of Northgate. This incredible property has unique features, inside and out. Outside, across the spacious backyard, there is an ADU, and horse stables - and in-between, a newly refinished hot tub and pool. With a 2714 square foot 4 bedroom, 3 bathroom main house and a 762 Square foot ADU with 1 bedroom 1 bathroom full kitchen and living room, there

    Lily Shields Coldwell Banker

    Section Image
  • 460 Silver Hollow Dr, Walnut Creek, CA 94598

    $2,800,000

    • 5 Beds
    • 3 Baths
    • 3,376 Sq Ft
    • 460 Silver Hollow Dr
    • Walnut Creek, CA

    NEW LISTING!! This FABULOUS Rancho Paraiso home is located on on one of the BEST VIEW LOTS with PANORAMIC SUNSET VIEWS FOREVER... Features include a dramatic entry with two story ceilings, impressive family room with fireplace, huge windows, patio door and spectacular views of the Valley, gourmet eat-in kitchen with top of the line appliances, patio doors, pantry and views forever, elegant living

    Rita Dhillon Compass

    Section Image
  • 3143 Kirby Ln, Walnut Creek, CA 94598

    $1,989,000

    • 5 Beds
    • 3 Baths
    • 3,043 Sq Ft
    • 3143 Kirby Ln
    • Walnut Creek, CA

    Tucked at the end of a cul-de-sac in the coveted Northgate neighborhood, this stunning residence blends timeless charm with modern updates. Set on nearly a half-acre, this 5-bedroom, 3-bath home features a smart floor plan and new flooring throughout. The main level offers formal living and dining areas perfect for meaningful gatherings, a guest room, full bath, built-in office nook, and a

    Heather La France Coldwell Banker Realty

    Section Image
  • 290 Firestone Dr, Walnut Creek, CA 94598

    $1,999,900

    • 6 Beds
    • 3.5 Baths
    • 3,522 Sq Ft
    • 290 Firestone Dr
    • Walnut Creek, CA

    Open Sat 10-2PM! See the 3D Matterport Tour! A beautifully updated & expanded Northgate home on a quiet street that features 6 bedrooms + office/7th bedroom downstairs within the 3,500+ SF! The private courtyard with fountain leads you to the double door front entry. The spacious updated gourmet kitchen with granite counters, white cabinetry, SS appliances, gas cooktop, breakfast bar & large

    James Collins BHHS Drysdale Properties

    Section Image
  • 3115 Ebano Dr, Walnut Creek, CA 94598

    $1,998,000

    • 4 Beds
    • 2.5 Baths
    • 2,441 Sq Ft
    • 3115 Ebano Dr
    • Walnut Creek, CA

    Recently Renovated, STUNNING Modern Farm House. Vaulted ceilings wi/exposed beams add warmth and architectural charm to the formal living room. All NEW CHEF'S KITCHEN boasting shaker cabinets, quartz countertops, and SS appliances. The kitchen seamlessly connects the dining room that flows into a HUGE family room with a chic fireplace and access to a thoughtfully landscaped, drought-tolerant

    Vikki Bearman Abio Properties

    Section Image
  • 856 Walbrook Ct, Walnut Creek, CA 94598

    $1,895,000

    • 4 Beds
    • 3 Baths
    • 2,797 Sq Ft
    • 856 Walbrook Ct
    • Walnut Creek, CA

    Fabulous 4 BR / 3 BA PROFESSIONALLY RENOVATED and EXPANDED with GREAT ROOM, laundry, mudroom and owned SOLAR. First floor office/ guest room and full bath, formal living and dining rooms, great room, updated bathrooms, large eat-in kitchen (shaker style cabinets, Quartz counters, high end stainless appliances) and high-quality finishes throughout home. Large backyard paver patio, garden, lawn

    Kathy Vendel Better Homes and Gardens RP

    Section Image

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
Glass Anthony B $2,010,000 Old Republic Title Company
Nai Family Trust -- None Available
Nai John A -- Old Republic Title Company
Nai John A $636,000 Placer Title Company
Trident Associates Llc $1,290,000 Placer Title Company
Mudgett Gail Lee -- --
Source: Public Records

Mortgage History

Date Status Borrower Loan Amount
Previous Owner Glass Anthony B $1,608,000
Previous Owner Nai John A $397,000
Previous Owner Nai John A $409,000
Previous Owner Nai John A $415,000
Previous Owner Nai John A $417,000
Previous Owner Nai John A $100,000
Previous Owner Nai John A $481,000
Previous Owner Nai John A $100,000
Previous Owner Nai John A $508,750
Previous Owner Trident Associates Llc $2,520,000
Source: Public Records

Property History

Date Event Price Change Sq Ft Price
02/04/2025 02/04/25 Off Market $2,010,000 -- --
04/23/2021 04/23/21 Sold $2,010,000 +8.6% $574 / Sq Ft
03/24/2021 03/24/21 Pending -- -- --
03/18/2021 03/18/21 For Sale $1,850,000 -- $528 / Sq Ft
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
2024 $23,914 $2,133,027 $1,368,958 $764,069
2023 $23,914 $2,091,204 $1,342,116 $749,088
2022 $23,769 $2,050,200 $1,315,800 $734,400
2021 $11,205 $938,116 $415,989 $522,127
2019 $10,975 $910,293 $403,651 $506,642
2018 $10,559 $892,445 $395,737 $496,708
2017 $10,226 $874,947 $387,978 $486,969
2016 $9,988 $857,792 $380,371 $477,421
2015 $9,923 $844,908 $374,658 $470,250
2014 $9,798 $828,358 $367,319 $461,039
Source: Public Records

Agents Affiliated with this Home

  • Section Image
  • Section Image
See All Agents

Map

Source: Contra Costa Association of REALTORS®

MLS Number: 40941906

Contra Costa Association of REALTORS®

APN: 138-130-004-3