Google street view image for 1909 Alga Rd Unit B, Carlsbad, CA 92009

Off Market Nov 1990 for $139K

$730,764

Est. refi paymentEst. refi $826/mo

•

3 ba

•

1,436

sq ft

1909 Alga Rd Unit B, Carlsbad, CA 92009

About this home

1909 Alga Rd Unit B is a 1,436 square foot condo with 2 bedrooms and 3 bathrooms. - it last sold on November 09, 1990 for $139,000. Based on Redfin's Carlsbad data, we estimate the home's value is $730,764.

CondoProperty Type

1974Year Built

$509Est. Price/Sq.Ft.

2 spacesParking

Source:Public Records

Redfin Estimate

$730,764

$592K since sold in November 1990$22K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 7.9% lower than the average sale price ($794K) of 6 comparable homes.

SOLD JUL 31, 2026
$805,000
A
2 beds2.5 baths1,436 sq ft
1915 Estrella De Mar Ct Unit A, Carlsbad, CA 92009
Real Broker
SOLD JUL 24, 2026
$711,000
B
2 beds2.5 baths1,436 sq ft
1915 Estrella De Mar Ct Unit C, Carlsbad, CA 92009
SOLD SEP 1, 2026
$850,000
C
2 beds2.5 baths1,421 sq ft
7015 Goldenrod Way, Carlsbad, CA 92011
SOLD BY REDFIN JUN 30, 2026
$680,000
D
2 beds2.5 baths1,440 sq ft
2345 Altisma Way Unit A, Carlsbad, CA 92009
SOLD AUG 31, 2026
$815,000
E
2 beds2.5 baths1,387 sq ft
2372 Altisma Way Unit C, Carlsbad, CA 92009
SOLD AUG 4, 2026
$900,000
F
2 beds2 baths1,392 sq ft
7057 Estrella De Mar Rd, Carlsbad, CA 92009
Coldwell Banker Realty

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Earn from this home

Sell

$692,198

Est. take-home

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Est. cash available

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Rent

$3,706/mo

Redfin rental estimate

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Market trends in 92009, CA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

98.9%

+0.3% MoM

Median sale price

$1.6M

$58K MoM

Avg. days on market

27d

2 days MoM

Recently sold homes

167

7 MoM

New listings for sale

$2,250,000
4 beds3.5 baths3,972 sq ft
7001 Almaden Ln, Carlsbad, CA 92009
$574,900
2 beds1.5 baths1,046 sq ft
2352 Altisma Way #9, Carlsbad, CA 92009
COMING SOON
$2,799,000
5 beds3.5 baths3,743 sq ft
7598 Circulo Sequoia, Carlsbad, CA 92009
$2,300,000
4 beds3 baths2,716 sq ft
8040 Corte Sasafras, Carlsbad, CA 92009
OPEN SUN, 1PM TO 3:30PM
$2,090,000
4 beds3 baths2,929 sq ft
6302 Paseo Descanso, Carlsbad, CA 92009
OPEN TODAY, 4PM TO 6PM
$675,000
2 beds2 baths1,400 sq ft
2639 Pirineos Way #136, Carlsbad, CA 92009
eXp Realty of Southern CA
3D WALKTHROUGH
$1,749,000
4 beds2.5 baths2,585 sq ft
3520 Sitio Baya, Carlsbad, CA 92009
VIDEO TOUR
$1,799,900
5 beds3 baths2,543 sq ft
3008 Rana Ct, Carlsbad, CA 92009
3D WALKTHROUGH
$2,269,000
5 beds4.5 baths3,566 sq ft
7345 Calle Conifera, Carlsbad, CA 92009
3D WALKTHROUGH
$1,940,000
4 beds3 baths2,349 sq ft
2190 Corte Acebo, Carlsbad, CA 92009
See all

Provided by Redfin

Sale history for 1909 Alga Rd Unit B

Date

Event

Price

CRMLS #61069342

Dec 18, 2006

Listing Removed

—

Dec 18, 2006

Listing Removed

—

Jul 17, 2006

Listed

$419,900

$292/sq ft

Jul 17, 2006

Listed

$419,900

$292/sq ft

CRMLS #61012671

Apr 23, 2006

Listing Removed

—

Apr 23, 2006

Listing Removed

—

Feb 10, 2006

Listed

$419,000

$292/sq ft

Feb 10, 2006

Listed

$419,000

$292/sq ft

CRMLS #51078202

Feb 7, 2006

Listing Removed

—

Feb 7, 2006

Listing Removed

—

Oct 24, 2005

Listed

$419,000

$292/sq ft

Oct 24, 2005

Listed

$419,000

$292/sq ft

CRMLS #31065883

Feb 5, 2005

Listing Removed

—

Feb 5, 2005

Listing Removed

—

Dec 20, 2003

Listed

$1,800

$1/sq ft

Dec 20, 2003

Listed

$1,800

$1/sq ft

SDMLS #21043537

Oct 20, 2002

Listing Removed

—

Oct 20, 2002

Listing Removed

—

Aug 23, 2002

Listed

$1,800

$1/sq ft

Aug 23, 2002

Listed

$1,800

$1/sq ft

Public Records

Nov 9, 1990

Sold

$139,000

$97/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$3,250 (+5.0%)

$132,449 + $123,061

$255,510

2024

$3,096 (+2.5%)

$129,852 + $120,649

$250,501

2023

$3,021 (+2.8%)

$127,306 + $118,284

$245,590

2022

$2,939 (+2.0%)

$124,810 + $115,965

$240,775

2021

$2,881 (+1.8%)

$122,363 + $113,692

$236,055

2020

$2,829 (+1.7%)

$119,964 + $111,463

$231,427

2019

$2,783 (+3.9%)

$118,734 + $110,321

$229,055

2018

$2,679 (+1.5%)

$116,406 + $108,158

$224,564

2017

$2,639 (+3.7%)

$111,887 + $103,959

$215,846

2016

$2,545 (+1.6%)

$111,887 + $103,959

$215,846

2015

$2,504 (+2.7%)

$109,694 + $101,921

$211,615

2014

$2,438 (+1.2%)

$105,931 + $98,425

$204,356

2013

$2,409 (+1.6%)

$105,931 + $98,425

$204,356

2012

$2,371 (+2.0%)

$105,453 + $97,981

$203,434

2011

$2,326 (+3.3%)

$103,386 + $96,060

$199,446

2010

$2,251 (+1.0%)

$101,359 + $94,177

$195,536

2009

$2,228 (+2.9%)

$100,602 + $93,474

$194,076

2008

$2,164

$100,841 + $93,697

$194,538

Tax history for 1909 Alga Rd Unit B

Year

Property tax

Land + Additions

Assessment*

2025

$3,250 (+5.0%)

$132,449 + $123,061

$255,510

2024

$3,096 (+2.5%)

$129,852 + $120,649

$250,501

2023

$3,021 (+2.8%)

$127,306 + $118,284

$245,590

2022

$2,939 (+2.0%)

$124,810 + $115,965

$240,775

2021

$2,881 (+1.8%)

$122,363 + $113,692

$236,055

2020

$2,829 (+1.7%)

$119,964 + $111,463

$231,427

2019

$2,783 (+3.9%)

$118,734 + $110,321

$229,055

2018

$2,679 (+1.5%)

$116,406 + $108,158

$224,564

2017

$2,639 (+3.7%)

$111,887 + $103,959

$215,846

2016

$2,545 (+1.6%)

$111,887 + $103,959

$215,846

2015

$2,504 (+2.7%)

$109,694 + $101,921

$211,615

2014

$2,438 (+1.2%)

$105,931 + $98,425

$204,356

2013

$2,409 (+1.6%)

$105,931 + $98,425

$204,356

2012

$2,371 (+2.0%)

$105,453 + $97,981

$203,434

2011

$2,326 (+3.3%)

$103,386 + $96,060

$199,446

2010

$2,251 (+1.0%)

$101,359 + $94,177

$195,536

2009

$2,228 (+2.9%)

$100,602 + $93,474

$194,076

2008

$2,164

$100,841 + $93,697

$194,538

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

Zoning

RD-M

Residential Density-Multiple Zone

The intent and purpose of the RD-M residential density-multiple zone is to: Implement the R-8 (Residential 4-8 du/ac), R-15 (Residential 8-15 du/ac) and R-23 (Residential 15-23 du/ac) land use designations of the Carlsbad general plan; and Provide regulations and standards for the development of residential dwellings and other permitted or conditionally permitted uses as specified in this chapter.

Permitted uses

Include but are not limited to:

Housing-Single unit
Housing-Multiple units
Housing-Senior
Housing-Other
Housing-Mobile home park

Property details

Interior

Heating & Cooling
Air Conditioning Type: Central
Heating Type: Forced Air

Fireplace Information
# of Fireplaces: 2
Has Fireplace

Room Information
# of Rooms: 4

Exterior

Exterior Information
Physical Condition: Good
Building Style Type: Contemporary
Construction Type: Frame
Building Construction Quality: Average
Exterior Wall: Stucco
Building Type: Row

Property Information
Subdivision Name: LA COSTA CONDOMIN
Living Sq. Ft: 1,436
Building Sq. Ft: 1,436
# of Units: 1
# of Stories: 2
Legal Description: US 50 PER DOC74-168788&UND INT IN LOT 3 TR 5642

Parking & Garage Information
Parking Type: Carport

Lot Information
# of Buildings: 1
Legal Lot Number: 3
Zoning Code: R1
County Use Description: CONDOMINIUM

Utility Information
Sewer Type: Public
Water Service Type: Public

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 2
Baths: 3.0
Sq. Ft.: 1,436
Stories: 2.0
Lot Size: —
Style: Condo/Co-op
Year Built: 1974
Year Renovated: 1974
County: San Diego County
APN: 2151700311

Home facts updated by county records on Aug 19, 2026

Around this home

Schools

Poinsettia Elementary School

Public K-5 • Assigned • 1.3mi

8/10

Aviara Oaks Middle School

Public 6-8 • Assigned • 0.7mi

7/10

Carlsbad High School

Public 9-12 • Assigned • 5.7mi

9/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

Carlsbad combines beautiful beaches with great neighborhoods that give it a real small-town feel. From the Village to the walkable neighborhoods, it feels like a beach community rather than a city!
4 days ago • Carlsbad
Jeremy Beauvarlet
Redfin Premier agent
473 deals
Was this helpful?
Carlsbad has a great coastal feel with plenty of shopping and restaurants to choose from. The beaches are beautiful, and there's no shortage of things to do nearby, from golf courses and Legoland to hiking and paddleboarding on the lagoon. It's an...
4 weeks ago • Carlsbad
Gina Huggins
Redfin Premier agent
248 deals
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Climate risks

1/10 Flood Factor

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

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

4/10 Heat Factor

7 days above 89° expected this year, 23 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

3/10 Air Factor

4 unhealthy days expected this year, 4 days in 30 years

Provided by First Street

Historical weather

Carlsbad, CA • 92009

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 8.7 hours in June and 7.3 hours in December, placing it above the U.S. average for solar exposure.

8.7 hrs

7.3 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$695,000 – $841,000

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Home values near 1909 Alga Rd Unit B

Data from public records.

Address	Redfin Estimate
1905 Alga Rd Apartment A, Carlsbad, CA 1 Beds \| 1.5 Baths \| 1207 Sq. Ft.	$637,072
1909 Alga Rd Apartment A, Carlsbad, CA 2 Beds \| 2.5 Baths \| 1436 Sq. Ft.	$713,749

Address	Redfin Estimate
1905 Alga Rd Apartment B, Carlsbad, CA 1 Beds \| 2 Baths \| 1207 Sq. Ft.	$621,923
1909 Alga Rd Apartment C, Carlsbad, CA 2 Beds \| 2.5 Baths \| 1436 Sq. Ft.	$776,806

Address	Redfin Estimate
1905 Alga Rd Apartment D, Carlsbad, CA 1 Beds \| 1.5 Baths \| 1207 Sq. Ft.	$636,007
1909 Alga Rd Apartment D, Carlsbad, CA 2 Beds \| 2.5 Baths \| 1435 Sq. Ft.	$738,999

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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 92009, CA

Sale history for 1909 Alga Rd Unit B

Tax history for 1909 Alga Rd Unit B

Zoning

Property details

Around this home

Schools

Lifestyle

Local insights from Redfin agents

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 92009

Home values near 1909 Alga Rd Unit B

More real estate resources