For sale

$1,595,000

Est. $10,217/mo —

•

3,282

sq ft

3690 Sundale, Lafayette, CA 94549

About this home

This unique Lafayette duplex is best suited as a “townhome” plus attached ADU and is the largest duplex in Lafayette with 4 bedrooms/2.5 bath: 2430 sq.ft main unit and an attached 2 bed- 1 bath duplex /ADU rental apt (854 sq.ft). Located in Sunset Village near the Lafayette Reservoir. Cosmetically refreshed with new interior paint, flooring, inset lights etc; bathroom upgrades (2) (from 2022 to 2026) Hardwood floors in main unit upper level and throughout ADU. 2 attached garages on the lower driveway, off street parking with overall room for 8 cars or RV or boat. Located in a quiet neighborhood- minutes to downtown, the freeway & Lafayette Reservoir. Purchase options: 1. Rental property with turnkey rentals; 2. Purchase as single family residential Townhome and rent apt for income 3. Purchase as single family residential home/Townhome and use ADU for home office /write off or extended family use or possible short term rental 4. Purchase with friend or family member as TIC and split value by condizing both units (check with city-has been done nearby) Open this Sat and Sunday 2-4 pm May 26/27 and June 6/7.

TownhomeProperty Type

1955Year Built

10,000 sq ftLot Size

$486Price/Sq.Ft.

2 car garageParking

Listed by Jeff Auen •DRE #01244711 • RE/MAX Accord

Listing updated: Aug 20, 2026 at 01:17am

Redfin checked: a minute ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #41136345

Payment calculator

$10,217 per month

Principal and interest$8,276

Property taxes

$1,661

HOA dues

Home insurance

$279

Utilities

Add

5 minutes to get started. No credit impact.

Affordability tools

See this home in person

Open houses

No upcoming open houses.

Nearby open houses (10)

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REDFIN OPEN SAT, 11AM TO 1PM3D WALKTHROUGH
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REDFIN OPEN SAT, 1PM TO 4PM3D WALKTHROUGH
$825,000
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REDFIN OPEN SAT, 1PM TO 4PM3D WALKTHROUGH
$700,000
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REDFIN OPEN SAT, 1PM TO 4PM3D WALKTHROUGH
$1,550,000
4 beds2.5 baths2,433 sq ft
917 Hamilton Dr, Pleasant Hill, CA 94523
REDFIN OPEN SAT, 1PM TO 4PM3D WALKTHROUGH
$800,000
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7 Courageous Ct Unit D52, Alameda, CA 94501
REDFIN OPEN SAT, 2PM TO 4PM3D WALKTHROUGH
$580,000
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1519 Fairview St #2, Berkeley, CA 94703
REDFIN OPEN SAT, 2PM TO 4PM3D WALKTHROUGH
$530,000
4 beds2.5 baths1,565 sq ft
16 Greenview Ln, Richmond, CA 94803
REDFIN OPEN SUN, 1PM TO 4PM3D WALKTHROUGH
$380,000
2 beds1 bath890 sq ft
605 Center Ave, Martinez, CA 94553

Around this home

Schools

K - 12
Preschool & daycare

Lafayette Elementary School

Public K-5 • Assigned • 0.7mi

9/10

M. H. Stanley Middle School

Public 6-8 • Assigned • 0.9mi

8/10

Acalanes High School

Public 9-12 • Assigned • 2.1mi

10/10

Provided by GreatSchools

About Mountain

View

Mountain View, located between Mount Diablo Boulevard and the Lafayette Reservoir, is a residential and hillside Lafayette neighborhood with winding lanes and broad valley views. The neighborhood’s character concentrates around the Lafayette Reservoir Rim Trail entrance at Mt. Diablo Blvd and Moraga Rd, where joggers, dog-walkers, and cyclists set the daily tempo. Mid-century ranch homes and updated contemporaries share the slopes, with mature oaks and terraced yards shaping the streetscape. A short drive away, the Park Theater anchors local culture with an indie-leaning marquee. Diablo Foods and the Lafayette Library and Learning Center serve as community pillars for cooking, reading, and low-key gatherings. The landscape shifts from shaded reservoir paths to open ridgelines, giving the area a calm, outdoors-forward rhythm.

Provided by Walk Score and Local Logic

Offer insights

3690 Sundale · $1,595,000

Strong offer

$1.58M and above

75% chance or better to win

Why $1.58M+ is a strong offer

DAYS ON MARKET

The average home goes pending in 33 days.

SALE-TO-LIST

Most homes are selling 0% below list price.

About offer insights

Property details

Interior
Exterior
Finance

Kitchen

Bathroom

Bedroom

Living

Interior features
Dining area
Family room
Formal dining room
Breakfast bar
Decorative gas fireplace
Window coverings

Bedrooms
Two bedrooms at street level (main entry)

Bathrooms
Four bathrooms total — three full and one partial
Accessory dwelling unit (ADU) includes one full bath

Kitchen
Breakfast bar
Laminate counters
Built-in range/oven
Gas range/cooktop
Dishwasher
Refrigerator

Laundry & utility
In-unit laundry room
Washer and dryer included
Dryer with gas hookup
Washer located in basement area

Flooring
Hardwood
Laminate
Carpet

Heating & cooling
Central heating and central air
Forced air
Gravity and wall furnace options
Natural gas heating
Fireplace contributes to heating

Sale and tax history for 3690 Sundale

Sale History
Tax History

Date

Event

Price

bridgeMLS, Bay East AOR, or Contra Costa AOR #41136345

Aug 13, 2026

Price Changed

$1,595,000

$486/sq ft

May 28, 2026

Listed

$1,675,000

$510/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #41006126

Oct 20, 2022

Listing Removed

—

Aug 21, 2022

Listed

bridgeMLS, Bay East AOR, or Contra Costa AOR #41006128

Oct 20, 2022

Listing Removed

—

Aug 21, 2022

Listed

bridgeMLS, Bay East AOR, or Contra Costa AOR #40010664

Jun 10, 2004

Sold

$710,000

$216/sq ft

May 1, 2004

Listing Removed

—

Apr 26, 2004

Listed

$669,000

$204/sq ft

Public record

Public record
Zoning
Permits

Beds

—

Baths

—

Stories

—

Lot width

—

Lot depth

—

Lot size

—

Year renovated

—

Finished Sq. Ft.

—

Unfinished Sq. Ft.

—

Total Sq. Ft.

—

Year built

—

Style

Single Family Residential

County

Contra Costa County

APN

—

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 14, 2026.

D-1

Two Family Residential District

The purpose of this article is to provide a two-family residential district, and regulations therefor, in areas close to the central area and major transportation services; to enhance the semirural residential character of the city; to ensure attractive and compatible architectural treatment of structures; and to encourage quality development consistent with the goals and policies and other provisions of the general plan.

Permitted uses

Include but are not limited to:

Housing-Single unit
Housing-Multiple units

Jan 10, 2023 • Final

Building - residential mechanical

Reinstall an existing furnace.

HVAC

Jan 30, 2010 • Final

Building/residential/rp/repair

Work on a solar installation.

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.

Climate risks

1/10 Flood Factor

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

3/10 Fire Factor

0.62% 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)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

72/ 100

Good sunlight

Sunscore

There appears to be minimal shading by surrounding buildings, terrain, and vegetation.

9.3 hrs

4.5 hrs

JuneDecember

Provided by Shadowmap

Redfin Estimate for 3690 Sundale

$1,550,736

$44K under list price of $1.60M

Nearby comparable homes

The Redfin Estimate uses 6 recent nearby sales, priced between $1.6M to $2.6M.

SOLD BY REDFIN JUL 14, 2026
$2,590,000 Last sold price
5 beds3.5 baths4,280 sq ft
858 Mountain View Dr, Lafayette, CA 94549
$119/sq ft
larger lot
24 years newer
SOLD NOV 10, 2025
$1,750,000 Last sold price
3 beds2.5 baths2,223 sq ft
3803 Quail Ridge Rd, Lafayette, CA 94549
$301/sq ft
larger lot
16 years newer
SOLD JUN 18, 2026
$2,335,000 Last sold price
4 beds2.5 baths3,184 sq ft
665 Sky Hy Cir, Lafayette, CA 94549
$247/sq ft
larger lot
19 years newer
SOLD JUL 7, 2026
$2,330,000 Last sold price
4 beds2.5 baths2,071 sq ft
3448 Solana Ct, Lafayette, CA 94549
$639/sq ft
larger lot
1 year newer
SOLD JUL 28, 2026
$1,575,000 Last sold price
4 beds3 baths1,882 sq ft
996 Hawthorne Dr, Lafayette, CA 94549
$351/sq ft
13 years older
no basement
SOLD JAN 9, 2026
$1,800,000 Last sold price
5 beds5 baths4,100 sq ft
1149 Camino Vallecito, Lafayette, CA 94549
$47/sq ft
larger lot
37 years newer

Rental earnings

Est. $4,458 per month, based on comparable rentals

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(650) 585-3990

Early Access listings

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New listings for sale in 94549

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16 Ruth Ct, Lafayette, CA 94549

OPEN SAT, 1PM TO 4PM

$1,925,000

4 beds3 baths2,228 sq ft

859 Mountain View Dr, Lafayette, CA 94549

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OPEN SUN, 1PM TO 4PM

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210 Lafayette Cir #302, Lafayette, CA 94549

OPEN SAT, 1PM TO 4PM

$3,999,000

4 beds3.5 baths4,114 sq ft

3647 Happy Valley Rd, Lafayette, CA 94549

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2 Reliez Manor Ct, Lafayette, CA 94549

COMING SOON

$1,699,000

3 beds2 baths1,956 sq ft

3149 Indian Way, Lafayette, CA 94549

OPEN SAT, 1PM TO 4PM

$1,650,000

3 beds2 baths2,326 sq ft

783 Moraga Rd, Lafayette, CA 94549

OPEN SAT, 1PM TO 4PM

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Details provided by bridgeMLS, Bay East AOR, or Contra Costa AOR and may not match the public record. Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Payment calculator

Affordability tools

See this home in person

Nearby open houses (10)

Around this home

Schools

Offer insights

Property details

Sale and tax history for 3690 Sundale

Public record

Climate risks

Historical weather

Sun exposure

Redfin Estimate for 3690 Sundale

Early Access listings

Nearby similar homes

New listings for sale in 94549

More real estate resources