4100 Happy Valley Road
Description
- Listed by: Mark S Solomon DRE #00553003 • Pacific Union International
Recent comparable sales
Median sold price
$4,350,000
Avg days on market
42
Sale-to-list ratio
95.3%
Lafayette, CA
9 comparable properties found
$4,200,000
Sold 04/20/26
- 4
- Bedrooms
- 5
- Bathrooms
- 4,418
- Square Feet
- 1.33
- Acres
$2,980,000
Sold 09/12/25
- 4
- Bedrooms
- 6
- Bathrooms
- 6,205
- Square Feet
- 0.36
- Acres
$4,250,000
Sold 11/14/25
- 4
- Bedrooms
- 5
- Bathrooms
- 4,502
- Square Feet
- 1.06
- Acres
$3,700,000
Sold 09/04/25
- 4
- Bedrooms
- 5
- Bathrooms
- 4,140
- Square Feet
- 1.33
- Acres
$4,350,000
Sold 05/04/26
- 4
- Bedrooms
- 5
- Bathrooms
- 4,016
- Square Feet
- 0.33
- Acres
$4,900,000
Sold 10/20/25
- 5
- Bedrooms
- 5
- Bathrooms
- 7,195
- Square Feet
- 1.22
- Acres
$4,395,000
Sold 09/25/24
- 4
- Bedrooms
- 5
- Bathrooms
- 4,316
- Square Feet
- 0.74
- Acres
$5,300,000
Sold 05/16/25
- 5
- Bedrooms
- 5
- Bathrooms
- 4,837
- Square Feet
- 0.92
- Acres
Location
Sold By Pacific Union International, Susan Peterson, DRE #00992024
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30 year fixed, 6.55% Interest
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1Property Information for 4100 Happy Valley Road
- MLS Type: Residential / Single Family Residence
- County: Contra Costa County
- City: LAFAYETTE
- Dist/Neighborhood/Subdiv: HAPPY VALLEY
- Building Type: Detached
- Property Sub Type: Detached
- Style: Traditional
- Garage Spaces: 4
- Garage/Parking: Attached Garage, Detached Garage
- View: Other
- Total # Parking Spaces: 4
- Stories: 2
- Year Built: 1949
- Lot Size: 1.43 AC / 62,290 SF
- Fireplaces: 4
- FIREPLACES: Den, Family Room, Living Room, Other
- Flooring: Hardwood Floors, Stone (Marble, Slate etc.
- Garage: Yes
- Laundry: Dryer, Hookups Only
- Pool Type: Gunite
- Pool: Yes
- Disability Features: Other
- Rooms Total: 12
- Additional Rooms: Basement - Partial, Basement - Full, Au Pair, Basement - Finished, Den / Study / Office, Library
- Primary Bath Features: Tub with Jets
- Kitchen Features: Breakfast Bar, Counter - Tile, Dishwasher, Double Oven, Garbage Disposal, Gas Range/Cooktop, Microwave, Oven Built-in, Pantry, Refrigerator
- Bedrooms Count: 4
- Bathrooms Total Count: 4.0
- Room Additional: Au Pair, Basement Finished, Den, Family Room, Formal Dining Room, Library
- Bath Non Primary Include: Other
- Bathrooms Half: 2
- Cooling: None
- Heating: Forced Air 2 Zns or More
- Water/Sewer: Sewer System - Public, Water - Public
- HOA: No
- HOA Dues: $.00
- Additional Equipment: Fire Alarm System, Window Coverings
- City Transfer Tax: No
- Construction Status: Existing
- Exterior: Wood Siding
- Foundation: Crawl Space, Partial Basement
- Level - Lower: Basement
- Level - Upper: 4 Bedrooms, 4 Baths
- Lot Description: Horses Possible, Irregular, Premium Lot
- Lot Sq Ft Apx: 62290
- Lot Size Square Feet: 62290.0
- Roof: Wood Shakes/Shingles
- Sq Ft Apx: 6320
- Stories: 2.0
- Street Level: 0.5 Bath, Main Entry
- Yard Description: Back Yard, Patio, Sprinklers Automatic
- Year Built: 1949
- Acres: 1.43
- Elementary School District: 1463
- Directions to Property: Mt.Diablo to H.V. or Upper H.V. to Happy Vly
- FIPS Code: 06013
- New Subdivision: No
- Census Tract: 3480.00
- Parcel Number: 246-010-021
- Board ID: CONTRA COSTA
- Units Total: 0
- Basement: Full, Partial
- Fireplace: Yes
- Elementary School District: Lafayette (925) 280-3900
- High School District: Lafayette (925) 280-3900
- WiFi Last: No Sign, No Lock Box....By Appointment with Listing Agent.
Property History for 4100 Happy Valley Road
| Date | Event & Source | Price | Appreciation |
|---|---|---|---|
| Jul 7, 2006 | Sold MLSListings #CC40162501 | $1 | — |
| Jul 7, 2006 | Sold EBRD #40162501 | $5,795,000 | — |
| Jul 7, 2006 | Sold RESFAR #40162501 | $1 | — |
| Jul 7, 2006 | Sold EBRD #40162501 | $1 | — |
| Jun 26, 2006 | Sold (Public Record) Public Record #198855909 | $5,550,000 | — |
| Jun 7, 2006 | Pending EBRD #40162501 | — | |
| Jun 7, 2006 | Pending RESFAR #40162501 | — | |
| Jun 7, 2006 | Pending MLSListings #CC40162501 | — | |
| May 1, 2006 | Listed (Active) RESFAR #40162501 | $5,795,000 | — |
| May 1, 2006 | Listed (Active) MLSListings #CC40162501 | $5,795,000 | — |
| May 1, 2006 | Listed (Active) EBRD #40162501 | $5,795,000 | — |
| Mar 20, 2006 | Withdrawn MLSListings #CC40111329 | — | |
| Sep 19, 2005 | Listed (Active) MLSListings #CC40111329 | $6,900,000 | — |
| Date | Event & Source | Price |
|---|---|---|
| 07/07/2006 | Sold MLSListings #CC40162501 | $1 |
| 07/07/2006 | Sold EBRD #40162501 | $5,795,000 |
| 07/07/2006 | Sold RESFAR #40162501 | $1 |
| 07/07/2006 | Sold EBRD #40162501 | $1 |
| 06/26/2006 | Sold (Public Record) Public Record #198855909 | $5,550,000 |
| 06/07/2006 | Pending EBRD #40162501 | — |
| 06/07/2006 | Pending RESFAR #40162501 | — |
| 06/07/2006 | Pending MLSListings #CC40162501 | — |
| 05/01/2006 | Listed (Active) RESFAR #40162501 | $5,795,000 |
| 05/01/2006 | Listed (Active) MLSListings #CC40162501 | $5,795,000 |
| 05/01/2006 | Listed (Active) EBRD #40162501 | $5,795,000 |
| 03/20/2006 | Withdrawn MLSListings #CC40111329 | — |
| 09/19/2005 | Listed (Active) MLSListings #CC40111329 | $6,900,000 |
For completeness, we often displays two records for one sale: the MLS record and the public record.
Public Records for 4100 Happy Valley Road
Schools near 4100 Happy Valley Road
Rating | School | Type | Grades | Distance |
|---|---|---|---|---|
| Public - | K to 5 | |||
| Public - | 6 to 8 | |||
| Public - | 9 to 12 | |||
| Public - | 9 to 12 |
Rating | School | Distance |
|---|---|---|
Happy Valley Elementary School PublicK to 5 | ||
M. H. Stanley Middle School Public6 to 8 | ||
Acalanes High School Public9 to 12 | ||
Acalanes Center For Independent Study Public9 to 12 |
School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.
Similar Homes
New listings in 94549
$2,495,000
- 3
- Bedrooms
- 3
- Bathrooms
- 2,686
- Square Feet
- 1.01
- Acres
Nearby home values
| Address | Sold price | Beds | Baths | Sqft | Lot (Sqft) |
|---|---|---|---|---|---|
This home: 4100 Happy Valley Road, Lafayette, CA 94549 | $1 | 4 | 6 | 6,320 | 62,290 |
– | – | – | 4,948 | 459,122 | |
$2,500,000 | 4 | 3 | 3,086 | 60,113 | |
$3,520,000 | 5 | 6 | 3,879 | 44,867 | |
– | 3 | 3.5 | 3,700 | 300,128 | |
$2,400,000 | 6 | 7 | 5,200 | – | |
$3,350,000 | 4 | 3 | 3,665 | 87,075 | |
– | 4 | 4 | 3,606 | 52,272 | |
$2,023,000 | 5 | 5 | 4,509 | 180,774 | |
$2,600,000 | 5 | 5 | 4,648 | 40,946 | |
$1,950,000 | 4 | 4 | 3,699 | 95,396 | |
– | 5 | 3 | 5,885 | 67,518 | |
$5,600,000 | 5 | 6 | 6,230 | 50,965 | |
$3,250,000 | 5 | 5 | 4,800 | 236,328 | |
– | 4 | 2.5 | 3,028 | 60,112 | |
– | 4 | 4 | 3,796 | 54,014 |
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No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of any information, descriptions or measurements (including square footage measurements and property condition), such should be independently verified through appropriate means, including, but not limited to, in person inspection and public records, and Compass International Holdings, its subsidiaries, affiliates and independently owned and operated franchisees, and their affiliated agents and associated third parties expressly disclaim any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the seller's discretion. No financial or legal advice provided. Equal Housing Opportunity.
Listing Courtesy of Pacific Union International, Mark S Solomon, DRE #00553003
Based on information from one of the following Multiple Listing Services: San Francisco Association of Realtors, the MLSListings MLS, the BAREIS MLS, the EBRD MLS, Shasta Association of REALTORS® Information being provided is for the visitor’s personal, noncommercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. The data contained herein is copyrighted by San Francisco Association of Realtors, the MLSListings MLS, the BAREIS MLS, the EBRD MLS, Shasta Association of REALTORS® is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. Property information referenced on this web site comes from the Internet Data Exchange (IDX) program of the MLS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. For the avoidance of doubt, the accuracy of all information, regardless of source, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals.