Diego Herra
Realty ONE Group Zoom
(209) 699-8106
203 Total Sales
1 in Northgate
$970,000 Price
665 Monaco Ct Walnut Creek, CA 94598
Northgate NeighborhoodEstimated Value: $2,167,381
5
Beds
3
Baths
2,791
Sq Ft
$777/Sq Ft
Est. Value
Highlights
- Solar Heated In Ground Pool
- Solar Power System
- Fireplace in Primary Bedroom
- Walnut Acres Elementary School Rated A-
- Updated Kitchen
- Premium Lot
About This Home
As of May 2025Remodeled single-story home on 0.38-acre lot with a solar-heated pool. 5 bedrooms and 3 fully renovated bathrooms, 2,791 sqft. Marble and wood flooring, vaulted ceilings, skylights, crown molding, and modern finishes elevate every space. Eat-in kitchen featuring white shaker cabinetry, granite countertops, and stainless steel appliances. Adjoining dining area opens directly to the backyard. Primary suite includes a soaking tub, an oversized walk-in shower, and custom finishes. Professionally landscaped backyard with a pergola-covered patio, lawn, gardens and pool. Three-car garage, new HVAC (2020).
Last Agent to Sell the Property
Better Homes And Gardens Rp License #01720632 Listed on: 05/01/2025
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Home Details
Home Type
- Single Family
Year Built
- Built in 1990
Lot Details
- 16,552 Sq Ft Lot
- Fenced
- Premium Lot
- Level Lot
- Front Yard Sprinklers
- Garden
- Back and Front Yard
Parking
- 3 Car Garage
- Garage Door Opener
Home Design
- Mediterranean Architecture
- Stucco
Interior Spaces
- 1-Story Property
- Skylights in Kitchen
- Family Room with Fireplace
- 3 Fireplaces
- Living Room with Fireplace
- Formal Dining Room
- Home Office
- Tile Flooring
- Gas Dryer Hookup
Kitchen
- Updated Kitchen
- Eat-In Kitchen
- Breakfast Bar
- Double Oven
- Gas Range
- Microwave
- Dishwasher
- Disposal
Bedrooms and Bathrooms
- 5 Bedrooms
- Fireplace in Primary Bedroom
- 3 Full Bathrooms
Eco-Friendly Details
- Solar Power System
- Solar owned by seller
Pool
- Solar Heated In Ground Pool
- Gunite Pool
- Pool Sweep
Outdoor Features
- Outdoor Storage
Utilities
- Cooling Available
- Forced Air Heating System
Community Details
- No Home Owners Association
- Contra Costa Association
- Northgate Area Subdivision
Listing and Financial Details
- Assessor Parcel Number 1421530203
Ownership History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
Date
Name
Owned For
Owner Type
Purchase Details
Listed on
May 1, 2025
Closed on
May 21, 2025
Sold by
Colwell Thomas P
Bought by
Seller's Agent
Kathy Vendel
Better Homes And Gardens Rp
Buyer's Agent
Michael Fadeeff
Y Realty
List Price
$1,995,000
Sold Price
$2,285,000
Premium/Discount to List
$290,000
14.54%
Views
17
Current Estimated Value
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
-$117,619
Avg. Annual Appreciation
-3.87%
Original Mortgage
$1,585,000
Interest Rate
6.83%
Mortgage Type
New Conventional
Purchase Details
Closed on
Feb 22, 2017
Sold by
Colwell Nivea M
Bought by
Colwell Thomas P
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$300,000
Interest Rate
2.87%
Mortgage Type
Adjustable Rate Mortgage/ARM
Purchase Details
Closed on
Dec 28, 2015
Sold by
Connor Michael W O and Connor Patricia V O
Bought by
Connor Michael W O and Connor Patricia O
Purchase Details
Closed on
Apr 24, 2003
Sold by
Oconnor Michael W and Oconnor Patricia V
Bought by
Oconnor Michael W and Oconnor Patricia
Purchase Details
Closed on
Mar 20, 2003
Sold by
Rozzelle David G and Rozzelle Josie L
Bought by
Oconnor Michael and Oconnor Patricia
Home Values in the Area
Average Home Value in this Area
Agents Specializing in Northgate, CA
-
Diego Herra
-
Bonafede Team
Bonafede Team
Responds QuicklyCompass
(669) 266-0177
265 Total Sales
1 in Northgate
$1,060,000 Price
-
Keith Walker
Keith Walker
Responds QuicklyIntero Real Estate Services
(669) 230-1607
145 Total Sales
1 in Northgate
$1,816,000 Price
-
Chuck Barberini
Chuck Barberini
Century21 Masters
(925) 396-7308
45 Total Sales
1 in Northgate
$1,515,000 Price
-
Rachael Hand
Rachael Hand
Hand Real Estate
(925) 940-8937
39 Total Sales
1 in Northgate
$3,000,000 Price
-
Wendy Moore
Wendy Moore
Christie's Intl Re Sereno
(925) 396-5212
157 Total Sales
3 in Northgate
$1.3M - $1.5M Price Range
Purchase History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Buyer | Sale Price | Title Company |
|---|---|---|---|
| $2,285,000 | Old Republic Title | ||
| Colwell Thomas P | -- | Placer Title Company | |
| Colwell Thomas P | $1,380,000 | Placer Title Company | |
| Connor Michael W O | -- | Old Republic Title Company | |
| Oconnor Michael W | -- | -- | |
| Oconnor Michael | $825,500 | Chicago Title |
Source: Public Records
Mortgage History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Status | Borrower | Loan Amount |
|---|---|---|---|
| Open | $1,577,000 | ||
| Closed | Wankel Gita | $1,585,000 | |
| Previous Owner | Colwell Thomas P | $274,000 | |
| Previous Owner | Colwell Thomas P | $300,000 | |
| Previous Owner | Connor Michael W O | $176,000 | |
| Previous Owner | Oconnor Michael W | $55,000 | |
| Previous Owner | Oconnor Michael W | $70,000 | |
| Previous Owner | Oconnor Michael W | $500,000 | |
| Previous Owner | Oconnor Michael W | $125,000 | |
| Previous Owner | Oconnor Michael W | $100,000 | |
| Previous Owner | Rozzelle David G | $355,000 |
Source: Public Records
Property History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Event | Price | List to Sale | Price per Sq Ft |
|---|---|---|---|---|
| 05/28/2025 05/28/25 | Sold | $2,285,000 | +14.5% | $819 / Sq Ft |
| 05/07/2025 05/07/25 | Pending | -- | -- | -- |
| 05/01/2025 05/01/25 | For Sale | $1,995,000 | -- | $715 / Sq Ft |
Source: Contra Costa Association of REALTORS®
Tax History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| 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 |
|---|---|---|---|---|
| 2026 | $18,652 | $2,330,700 | $1,326,000 | $1,004,700 |
| 2025 | $18,652 | $1,609,969 | $970,247 | $639,722 |
| 2024 | $18,227 | $1,578,402 | $951,223 | $627,179 |
| 2023 | $17,945 | $1,547,454 | $932,572 | $614,882 |
| 2022 | $17,790 | $1,517,113 | $914,287 | $602,826 |
| 2021 | $17,405 | $1,487,366 | $896,360 | $591,006 |
| 2019 | $16,305 | $1,375,000 | $828,643 | $546,357 |
| 2018 | $15,688 | $1,407,600 | $852,720 | $554,880 |
| 2017 | $12,094 | $1,043,636 | $593,389 | $450,247 |
| 2016 | $11,751 | $1,023,173 | $581,754 | $441,419 |
| 2015 | $11,680 | $1,007,805 | $573,016 | $434,789 |
| 2014 | $11,537 | $988,065 | $561,792 | $426,273 |
Source: Public Records
Agents Affiliated with this Home
-
Kathy Vendel
Seller's Agent in 2025
Kathy Vendel
Better Homes and Gardens Real Estate Reliance Partners
(925) 980-3951
47 in this area
102 Total Sales
-
Michael Fadeeff
Buyer's Agent in 2025
Michael Fadeeff
Y Realty
(925) 399-8411
1 in this area
40 Total Sales
Map
Source: Contra Costa Association of REALTORS®
MLS Number: 41095764
APN: 142-153-020-3
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Bay East ©2026. BridgeMLS ©2026, CCAR ©2026. 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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