Google satellite image for 1 Via Oneg, Lafayette, CA 94549

Off market

$3,701,539

•

5 ba

•

4,929

sq ft

1 Via Oneg, Lafayette, CA 94549

About this home

1 Via Oneg is a 4,929 square foot house on a 2.81 acre lot with 6 bedrooms and 5 bathrooms. Based on Redfin's Lafayette data, we estimate the home's value is $3,701,539.

Single-familyProperty Type

1975Year Built

2.81 acresLot Size

$751Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$3,701,539

$732K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 4.4% lower than the average sale price ($3.87M) of 6 comparable homes.

SOLD MAY 13, 2026
$3,550,000
A
5 beds4.5 baths5,020 sq ft
1006 Howard Hills Rd, Lafayette, CA 94549
SOLD OCT 27, 2026
$2,700,000
B
5 beds5 baths4,605 sq ft
6 Tanglewood Ln, Lafayette, CA 94549
SOLD BY REDFIN JUL 14, 2026
$2,590,000
C
5 beds3.5 baths4,280 sq ft
858 Mountain View Dr, Lafayette, CA 94549
SOLD JUN 25, 2026
$3,475,000
D
5 beds4.5 baths3,900 sq ft
1059 Lizann Dr, Lafayette, CA 94549
SOLD NOV 3, 2026
$8,125,000
E
6 beds5.5 baths5,740 sq ft
3937 Happy Valley Rd, Lafayette, CA 94549
SOLD JUL 27, 2026
$2,800,000
F
5 beds3.5 baths3,169 sq ft
1038 Pine Ln, Lafayette, CA 94549

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Earn from this home

Sell

$3,506,208

Est. take-home

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Rent

$9,360/mo

Redfin rental estimate

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Market trends in 94549, CA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

102.4%

+1.0% MoM

Median sale price

$1.8M

$948 MoM

Avg. days on market

17d

0 days MoM

Recently sold homes

1 MoM

New listings for sale

COMING SOON
$1,299,000
3 beds2 baths1,651 sq ft
490 Florence Dr, Lafayette, CA 94549
OPEN SUN, 1PM TO 4PM
$1,495,000
3 beds2 baths1,670 sq ft
3241 Judith Ln, Lafayette, CA 94549
3D WALKTHROUGH
$2,895,000
4 beds4.5 baths4,225 sq ft
3370 Stage Coach Dr, Lafayette, CA 94549
OPEN SUN, 1PM TO 4PM
$2,975,000
4 beds3 baths2,619 sq ft
4022 Happy Valley Rd, Lafayette, CA 94549
3D WALKTHROUGH
$999,000
3 beds3 baths2,443 sq ft
1175 Oleander Dr, Lafayette, CA 94549
$2,695,000
5 beds3 baths2,484 sq ft
3208 Camino Colorados, Lafayette, CA 94549
3D WALKTHROUGH
$1,485,000
3 beds2 baths3,564 sq ft
799 Moraga Rd, Lafayette, CA 94549
LISTED BY REDFIN
$649,000
1 bed1 bath881 sq ft
1000 Dewing Ave #104, Lafayette, CA 94549
See all

Provided by Redfin

Sale history for 1 Via Oneg

As the MLS and public records start to fill up, we'll list the details here.

Year

Property tax

Land + Additions

Assessment*

2026

$10,022 (+4.6%)

$135,468 + $568,024

$703,492

2025

$9,579 (+1.8%)

$135,468 + $568,024

$703,492

2024

$9,412 (+1.9%)

$132,812 + $556,887

$689,699

2023

$9,237 (+1.6%)

$130,208 + $545,968

$676,176

2022

$9,092 (+3.0%)

$127,655 + $535,263

$662,918

2021

$8,830 (+0.3%)

$125,152 + $524,768

$649,920

2020

$8,803 (+4.4%)

$122,699 + $514,479

$637,178

2019

$8,434 (+3.6%)

$121,441 + $509,204

$630,645

2018

$8,141 (+0.8%)

$119,060 + $499,220

$618,280

2017

$8,079 (+2.1%)

$114,438 + $479,836

$594,274

2016

$7,912 (+2.8%)

$114,438 + $479,836

$594,274

2015

$7,695 (+1.1%)

$112,195 + $470,428

$582,623

2014

$7,610 (+1.4%)

$108,346 + $454,286

$562,632

2013

$7,507 (+3.1%)

$108,346 + $454,286

$562,632

2012

$7,281 (+1.7%)

$107,857 + $452,233

$560,090

2011

$7,160 (+4.8%)

$105,743 + $443,366

$549,109

2010

$6,832 (+1.4%)

$103,670 + $434,673

$538,343

2009

$6,740 (+0.5%)

$102,896 + $431,425

$534,321

2008

$6,704

$103,141 + $432,450

$535,591

Tax history for 1 Via Oneg

Year

Property tax

Land + Additions

Assessment*

2026

$10,022 (+4.6%)

$135,468 + $568,024

$703,492

2025

$9,579 (+1.8%)

$135,468 + $568,024

$703,492

2024

$9,412 (+1.9%)

$132,812 + $556,887

$689,699

2023

$9,237 (+1.6%)

$130,208 + $545,968

$676,176

2022

$9,092 (+3.0%)

$127,655 + $535,263

$662,918

2021

$8,830 (+0.3%)

$125,152 + $524,768

$649,920

2020

$8,803 (+4.4%)

$122,699 + $514,479

$637,178

2019

$8,434 (+3.6%)

$121,441 + $509,204

$630,645

2018

$8,141 (+0.8%)

$119,060 + $499,220

$618,280

2017

$8,079 (+2.1%)

$114,438 + $479,836

$594,274

2016

$7,912 (+2.8%)

$114,438 + $479,836

$594,274

2015

$7,695 (+1.1%)

$112,195 + $470,428

$582,623

2014

$7,610 (+1.4%)

$108,346 + $454,286

$562,632

2013

$7,507 (+3.1%)

$108,346 + $454,286

$562,632

2012

$7,281 (+1.7%)

$107,857 + $452,233

$560,090

2011

$7,160 (+4.8%)

$105,743 + $443,366

$549,109

2010

$6,832 (+1.4%)

$103,670 + $434,673

$538,343

2009

$6,740 (+0.5%)

$102,896 + $431,425

$534,321

2008

$6,704

$103,141 + $432,450

$535,591

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Permits

Oct 2, 2018 • Final

Building - residential electrical

Add an air conditioning disconnect as per utility requirements.

Electrical

Ev charger

Aug 15, 2018 • Final

Building - residential solar photovoltaic

Install a tilt roof-mounted solar system on a residential building.

Electrical

Solar

Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.

Property details

Interior

Room Information
# of Rooms: 13

Exterior

Pool Information
Has Pool

Property Information
Living Sq. Ft: 4,929
Ground Floor Sq. Ft: 4,584
Building Sq. Ft: 4,929
# of Stories: 1
Legal Description: PCL MAP 42 PG 21 PCL A

Parking & Garage Information
Garage/Parking Sq. Ft: 787

Lot Information
# of Buildings: 1
Land Sq. Ft: 122,404
Acres: 2.81
County Use Description: SINGLE FAMILY

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 6
Baths: 5.0
Sq. Ft.: 4,929
Stories: 1.0
Lot Size: 2.81 acres
Style: Single Family Residential
Year Built: 1975
Year Renovated: 1985
County: Contra Costa County
APN: 2441110240

Home facts updated by county records on Oct 30, 2026

Around this home

Schools

K - 12
Preschool & daycare

Happy Valley Elementary School

Public K-5 • Assigned • 0.8mi

8/10

M. H. Stanley Middle School

Public 6-8 • Assigned • 1.2mi

8/10

Acalanes High School

Public 9-12 • Assigned • 2.0mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

3/10 Fire Factor

0.77% chance of being in a wildfire in next 30 years

3/10 Heat Factor

7 days above 93° expected this year, 16 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

8/10 Air Factor

15 unhealthy days expected this year, 16 days in 30 years

Provided by First Street

Historical weather

Lafayette, CA • 94549

Average low and high temperatures (°F)

60°

43°

62°

46°

70°

50°

68°

49°

75°

52°

78°

54°

81°

56°

87°

58°

81°

60°

72°

54°

63°

48°

57°

45°

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 11.5 hours in June and 4.9 hours in December, placing it above the U.S. average for solar exposure.

11.5 hrs

4.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$3.52M – $4.26M

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Nearby similar homes

OPEN SUN, 1PM TO 4PM

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OPEN SUN, 1PM TO 4PM3D WALKTHROUGH

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New listings for sale in 94549

COMING SOON

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Backyard oasis • Inviting patio • Built-in firepit

OPEN SUN, 1PM TO 4PM3D WALKTHROUGH

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3241 Judith Ln, Lafayette, CA 94549

Designer kitchen • Custom art wall • Spa inspired bath

3D WALKTHROUGH

$2,895,000

4 beds4.5 baths4,225 sq ft

3370 Stage Coach Dr, Lafayette, CA 94549

Gated neighborhood • Miele appliances • Wine refrigerator

OPEN SUN, 1PM TO 4PM

$2,975,000

4 beds3 baths2,619 sq ft

4022 Happy Valley Rd, Lafayette, CA 94549

Private office • Home gym • Updated kitchen

3D WALKTHROUGH

$999,000

3 beds3 baths2,443 sq ft

1175 Oleander Dr, Lafayette, CA 94549

One acre property • Mature trees • Private retreat

$2,695,000

5 beds3 baths2,484 sq ft

3208 Camino Colorados, Lafayette, CA 94549

Freshly renovated • Renovated kitchen • New flooring

3D WALKTHROUGH

$1,485,000

3 beds2 baths3,564 sq ft

799 Moraga Rd, Lafayette, CA 94549

Great room • Vaulted ceilings • 0.59 acre lot

LISTED BY REDFIN3D WALKTHROUGH

$649,000

1 bed1 bath881 sq ft

1000 Dewing Ave #104, Lafayette, CA 94549

In unit laundry • Spacious patio • $857 HOA

Home values near 1 Via Oneg

Data from public records.

Address	Redfin Estimate
3 Via Oneg, Lafayette, CA 5 Beds \| 3.5 Baths \| 3712 Sq. Ft.	$2,159,888
1057 Via Roble, Lafayette, CA 4 Beds \| 3 Baths \| 2439 Sq. Ft.	$1,798,413
3646 Baker Lane, Lafayette, CA 4 Beds \| 3 Baths \| 3180 Sq. Ft.	$1,918,016
1059 Via Roble, Lafayette, CA 3 Beds \| 3 Baths \| 1660 Sq. Ft.	$1,524,238
1044 Via Roble, Lafayette, CA 5 Beds \| 3 Baths \| 3094 Sq. Ft.	$1,974,104
1060 Dolores Drive, Lafayette, CA 3 Beds \| 2.5 Baths \| 3000 Sq. Ft.	$2,424,240
1061 Via Roble, Lafayette, CA 3 Beds \| 3 Baths \| 2125 Sq. Ft.	$1,915,049

Address	Redfin Estimate
2 Via Oneg, Lafayette, CA 4 Beds \| 3 Baths \| 2949 Sq. Ft.	$2,107,680
1063 Via Roble, Lafayette, CA 4 Beds \| 3 Baths \| 3217 Sq. Ft.	$2,360,045
1064 Via Roble, Lafayette, CA 4 Beds \| 3 Baths \| 2043 Sq. Ft.	$1,873,877
1057 Dolores Drive, Lafayette, CA 3 Beds \| 3 Baths \| 1931 Sq. Ft.	$1,796,916
1046 Via Roble, Lafayette, CA 4 Beds \| 4 Baths \| 2697 Sq. Ft.	$1,980,654
1064 Dolores Drive, Lafayette, CA 4 Beds \| 3 Baths \| 2833 Sq. Ft.	$1,904,802
1055 Via Baja, Lafayette, CA 4 Beds \| 3 Baths \| 2314 Sq. Ft.	$2,691,503

Address	Redfin Estimate
1056 Via Roble, Lafayette, CA 4 Beds \| 3 Baths \| 2243 Sq. Ft.	$2,064,191
1054 Via Roble, Lafayette, CA 5 Beds \| 3 Baths \| 2848 Sq. Ft.	$1,521,874
1048 Via Roble, Lafayette, CA 4 Beds \| 4 Baths \| 3698 Sq. Ft.	$1,936,739
1049 Dolores Drive, Lafayette, CA 2 Beds \| 2 Baths \| 1287 Sq. Ft.	$1,329,081
1066 Dolores Drive, Lafayette, CA 3 Beds \| 3 Baths \| 3475 Sq. Ft.	$2,690,277
1063 Dolores Drive, Lafayette, CA 4 Beds \| 5 Baths \| 4577 Sq. Ft.	$3,033,770
1050 Via Roble, Lafayette, CA 4 Beds \| 3 Baths \| 2846 Sq. Ft.	$2,178,995

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 94549, CA

Sale history for 1 Via Oneg

Tax history for 1 Via Oneg

Permits

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 94549

Home values near 1 Via Oneg

More real estate resources