Active Listing  ·  255 days on market

21100 Niagara Cv

Lago Vista, TX 78645
$485,000
4 Bed 2 Bath 2,106 sqft $230/sqft Built 2023 0.20 acres 2-Car Garage Pool Highland Lake Estates Sec 32

Welcome To 21100 Niagara, An Almost-New Single-Story Home Built In 2023. Tucked Away On A Quiet Cul-De-Sac, This 2,106 Square Foot Gem Offers All The Benefits Of New Construction Without The Wait! Gently Lived In And Completely Move-In Ready, It Features A Thoughtfully Designed, Wide-Open Floor Plan Ideal For Everyday Living And Entertaining.

The Heart Of The Home Is A Spacious Great Room That Flows Seamlessly Into An Impressive Chef’s Kitchen. Designed With Cooking Enthusiasts In Mind, This Dream Kitchen Features Double Pantries For Exceptional Storage, A Beautiful Farmhouse Sink, And Ample Space For Gathering. The Adjoining Breakfast Nook Provides The Perfect Spot For Casual Meals Or Morning Coffee.

Retreat To The Oversized Primary Suite, Serving As A Relaxing Oasis With A Large Bedroom And A Spa-Like En-Suite Bathroom Featuring A Luxurious Dual-Head Shower. A Second Full Bathroom Offers Ultimate Convenience For Family And Weekend Guests.

Step Outside To Enjoy A Private, Serene Backyard. Complete With A Fully Fenced Patio, An Elegant Iron Gate, And A Shaded Back Porch, It Is The Perfect Setting For Quiet Evenings Out Back. Buyers Will Also Love The Pristine Garage Featuring A Professionally Finished Epoxy Floor!

Location Is Everything In The Texas Hill Country! Blending Tranquility With Convenience, You Are Just Five Minutes From The Lago Vista Golf Course And Only Four Minutes From Hancock Park On Lake Travis. Both Are Easily Accessible By Golf Cart, Allowing You To Fully Enjoy The Best Of The Lago Vista Lifestyle And Exclusive LVPOA Amenities!

At $230/sqft, this home is 11% below the Lago Vista active market average of $257/sqft, potentially representing value relative to comparable properties currently on the market. View Austin market report →

Location

21100 Niagara Cv, Lago Vista, TX 78645

Property Details

Price $485,000
Status Active Listing
Beds 4
Full Baths 2
Half Baths ,
Living Area 2,106 sqft
Lot Size 0.20 acres (8,555.18 sqft)
Year Built 2023
Garage 2 spaces
Stories ,
Type Residential · Single Family Residence
Subdivision Highland Lake Estates Sec 32
County Travis
Zip Code 78645
$/sqft $230/sqft
Days on Market ,
HOA $200/Annually
Annual Tax Est. $2,013
Pool Yes
Waterfront ,
New Construction ,
MLS # ACT215624548
List Date January 11, 2026
Elementary School Lago Vista
Middle School Lago Vista
High School Lago Vista
School District ,

Luke Allen (TREC #788149) has deep knowledge of Lago Vista and surrounding markets. Whether you're buying, selling, or just researching comparable sales, reach out for a no-pressure conversation.

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Price History

How This Ask Has Moved

Original list price versus what this home is asking today. Straight from the ACTRIS MLS feed, no interpretation.

Original ask · January 11, 2026 $505,000
Previous ask $498,000
Current ask $485,000
Reduced $20,000 (-4.0%) from original ask

Source: ACTRIS MLS. Price change timestamp reflects the most recent adjustment on record; the feed does not expose intermediate steps between the original ask and today's ask.

Similar Homes on the Market in Lago Vista

Comparable Listings Right Now

Homes currently for sale in Lago Vista with similar bedroom count, size, and price range, giving you real-time context for how this property's asking price compares to the active market.

AddressList Price$/sqftBeds/BathsSqftDOMListed
21013 Nimitz Ave
Highland Lake Estates Sec 32
$489,999 $219 3 bd / 3 ba 2,241 sqft , 2026-02-20
2800 Douglas Cv
Highland Lake Estates
$490,000 $211 3 bd / 3 ba 2,317 sqft , 2026-07-23
21666 High Dr
Country Club Estates Sec 08
$475,000 $262 4 bd / 2 ba 1,813 sqft , 2026-05-26
21201 Norris Cv
Highland Lake Estates Sec 32
$499,000 $224 3 bd / 3 ba 2,230 sqft , 2026-04-10
2807 Declaration Cir
Highland Lake Estates Sec 08
$460,000 $219 3 bd / 2 ba 2,103 sqft , 2026-07-08

Source: ACTRIS MLS, live listings. Similar by ±1 bed, ±35% price, ±35% sqft. Contact Luke for a formal comparative market analysis.

Investment Analysis

Rental Income Potential

The numbers below use conservative Austin-market assumptions. They are estimates, not a guarantee. Actual rents vary by condition, timing, and management. Read our full Austin rental property guide →

Est. Monthly Rent
$2,328/mo
0.48% rule · conservative Austin est.
Gross Yield
5.76%
Annual rent ÷ purchase price
Cap Rate (est.)
3.46%
NOI after 40% vacancy + expenses
Down Payment
$97,000
20% conventional investment loan

Monthly Cash Flow Breakdown (20% down · 7.25% rate)

Estimated Gross Rent+$2,328
Principal + Interest−$2,647
Property Tax (~2.1% TX avg)−$849
Insurance (~0.5%)−$202
Est. Monthly Cash Flow $-1,370

At current rates and prices, many Austin luxury properties run neutral or slightly negative on pure cash flow, appreciation and equity paydown are the primary return drivers. BRRRR and off-market acquisitions can improve day-one cash flow. Learn about the BRRRR method in Austin →

Commute & Employment

Major Employers Near Lago Vista, TX

Lago Vista sits within commuting range of Austin's major tech, manufacturing, and corporate campuses. Approximate drive times from this area:

Tesla Gigafactory 15-25 min E
Apple Campus (Domain) 20-30 min N
Google / Meta / Indeed 10-15 min downtown
Dell Medical School / UT Austin 10-20 min
Samsung Austin Semiconductor 25 min N

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About the Author
Luke Allen, Austin TX Realtor, TREC #788149
Luke Allen
Licensed Austin TX Realtor · TREC #788149 · Full-time since 2019
★★★★★ 5.0 on Google · 30 Reviews

Luke Allen is a full-time Austin TX Realtor with the Austin Marketing + Development Group brokerage. He works with buyers, sellers, and investors across every Austin ISD and the surrounding neighborhoods, from Downtown and East Austin to Round Rock, Cedar Park, and the Hill Country. Every page on this site is written and maintained by Luke. This page was last updated on September 19, 2026.

📞 (254) 718-2567 [email protected] More about Luke →