Google street view image for 18603 Upper Bay Rd, Houston, TX 77058

Off market jan 2000 for $10M

$1,680,054

Est. refi paymentEst. refi $74,841/mo

•

4.5 ba

•

6,434

sq ft

18603 Upper Bay Rd, Houston, TX 77058

About this home

18603 Upper Bay Rd is a 6,434 square foot house on a 0.46 acre lot with 3 bedrooms and 4.5 bathrooms. - it last sold on January 01, 2000 for $10,528,000. Based on Redfin's Houston data, we estimate the home's value is $1,680,054.

Single-familyProperty Type

1968Year Built

0.46 acresLot Size

$261Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,680,054

$8.8M since sold in January 2000$37K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 154% higher than the average sale price ($661K) of 5 comparable homes.

SOLD JUL 31, 2026
$995,000
A
3 beds4 baths3,199 sq ft
2434 Baycrest Dr, Houston, TX 77058
SOLD MAY 13, 2026
$699,999
B
4 beds4.5 baths4,297 sq ft
18646 Martinique Dr, Houston, TX 77058
SOLD JUL 2, 2026
$749,900
C
5 beds4 baths4,170 sq ft
18610 Martinique Dr, Houston, TX 77058
SOLD SEP 21, 2026
$562,500
D
5 beds4 baths3,400 sq ft
1902 Port Royal Dr, Houston, TX 77058
SOLD SEP 22, 2026
$300,000
E
4 beds3.5 baths2,690 sq ft
18231 Barbuda Ln, Houston, TX 77058

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Earn from this home

Sell

$132,534

Est. take-home

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Refinance

Est. cash available

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Rent

$4,577/mo

Redfin rental estimate

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Market trends in 77058, TX

Last updated September 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-List Price

95.4%

0.7% MoM

Median sale price

$262K

$12K MoM

Avg. days on market

42d

0 days MoM

Recently sold homes

5 MoM

New listings for sale

$499,900
4 beds2.5 baths2,633 sq ft
1326 Saxony Ln, Houston, TX 77058
NEW 1 DAY AGO
$65,000
1 bed1 bath528 sq ft
1516 Bay Area Blvd Unit F15, Houston, TX 77058
$138,000
2 beds2.5 baths1,350 sq ft
17814 Kings Park Ln, Houston, TX 77058
$304,900
3 beds2 baths1,652 sq ft
12318 Georgetown Park Ct, Houston, TX 77058
$269,900
3 beds2 baths1,528 sq ft
16811 Pinemoor Way, Houston, TX 77058
$71,950
1 bed1 bath684 sq ft
1516 Bay Area Blvd Unit H10, Houston, TX 77058
$379,900
3 beds2.5 baths2,932 sq ft
18214 Bal Harbour Dr, Houston, TX 77058
$142,900
2 beds2 baths976 sq ft
18800 Egret Bay Blvd #1101, Houston, TX 77058
$420,000
4 beds2 baths2,632 sq ft
1802 San Sebastian Ln, Houston, TX 77058
$136,000
1 bed1.5 baths932 sq ft
18800 Egret Bay Blvd #1611, Houston, TX 77058
See all

Provided by Redfin

Sale history for 18603 Upper Bay Rd

Year

Property tax

Land + Additions

Assessment*

2026

$30,910 (+10.0%)

2025

$28,100 (+11.0%)

2024

$25,317 (+9.0%)

$325,695 + $800,430

$1,126,125

2023

$23,233 (+3.6%)

$325,695 + $746,805

$1,072,500

2022

$22,416 (−27.7%)

$325,695 + $649,305

$975,000

2021

$31,019 (−4.0%)

$315,924 + $930,722

$1,246,646

2020

$32,316 (+22.9%)

$309,410 + $937,236

$1,246,646

2019

$26,290 (+5.3%)

2018

$24,965 (−15.6%)

$325,695 + $573,201

$898,896

2017

$29,573 (+10.0%)

2016

$26,884 (+10.0%)

2015

$24,442 (+9.6%)

2014

$22,308 (+10.4%)

$325,695 + $736,455

$1,062,150

2013

$20,210 (−2.6%)

$325,695 + $736,455

$1,062,150

2012

$20,756 (−47.3%)

$195,417 + $534,583

$730,000

2011

$39,359 (+91.9%)

2010

$20,511 (+199.5%)

2009

$6,849

Tax history for 18603 Upper Bay Rd

Year

Property tax

Land + Additions

Assessment*

2026

$30,910 (+10.0%)

2025

$28,100 (+11.0%)

2024

$25,317 (+9.0%)

$325,695 + $800,430

$1,126,125

2023

$23,233 (+3.6%)

$325,695 + $746,805

$1,072,500

2022

$22,416 (−27.7%)

$325,695 + $649,305

$975,000

2021

$31,019 (−4.0%)

$315,924 + $930,722

$1,246,646

2020

$32,316 (+22.9%)

$309,410 + $937,236

$1,246,646

2019

$26,290 (+5.3%)

2018

$24,965 (−15.6%)

$325,695 + $573,201

$898,896

2017

$29,573 (+10.0%)

2016

$26,884 (+10.0%)

2015

$24,442 (+9.6%)

2014

$22,308 (+10.4%)

$325,695 + $736,455

$1,062,150

2013

$20,210 (−2.6%)

$325,695 + $736,455

$1,062,150

2012

$20,756 (−47.3%)

$195,417 + $534,583

$730,000

2011

$39,359 (+91.9%)

2010

$20,511 (+199.5%)

2009

$6,849

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

Property details

Interior

Bathroom Information
# of Full Baths: 4
# of 1/2 Baths: 1
# of Bathroom Fixtures: 16

Heating & Cooling
Air Conditioning Type: Central
Heating Fuel Type: Gas
Heating Type: Central

Fireplace Information
# of Fireplaces: 4
Has Fireplace

Room Information
# of Rooms: 8

Exterior

Exterior Information
Physical Condition: Good
Building Style Type: Traditional
Building Construction Quality: Excellent
Exterior Wall: Frame Concrete Block/Brick
Building Type: Single Family

Pool Information
Pool Type: Gunite
Has Pool

Property Information
Subdivision Name: NASSAU BAY SEC 08
Living Sq. Ft: 6,434
Gross Sq. Ft: 11,426
Adjusted Gross Sq. Ft: 7,453
Ground Floor Sq. Ft: 3,363
Building Sq. Ft: 7,226
# of Stories: 2
Legal Description: LT 1 BLK 32 NASSAU BAY SEC 8

Parking & Garage Information
# of Parking Spaces: 16
Parking Type: Attached Frame Garage
Garage/Parking Sq. Ft: 792
Garage / Carport Type: Attached Frame

Lot Information
# of Buildings: 1
Land Sq. Ft: 20,139
Legal Lot Number: 1
Legal Block Number: 32
Water District: HARRIS CO FLOOD CNTRL
Municipality Type: 073
Municipality Name: NASSAU BAY
Acres: 0.4623
County Use Description: RES IMPRVD TABLE VAL
State Use Description: RESID SINGLE FAMILY

Location Information
Parcel Location Influence: Waterfront

Utility Information
Electricity / Wiring Type: Available
Sewer Type: Public
Water Service Type: Public

Financial

Assessor Information
Assessment Year: 2026
Tax District County: HARRIS COUNTY

Public facts

Beds: 3
Baths: 4.5
Sq. Ft.: 6,434
Stories: 2.0
Lot Size: 0.46 acres
Style: Single Family Residential
Year Built: 1968
Year Renovated: 1968
County: Harris County
APN: 0984850000001

Home facts updated by county records on Sep 10, 2026

Around this home

Schools

G W Robinson Elementary School

Public PreK-5 • Assigned • 2.6mi

9/10

Space Center Intermediate

Public 6-8 • Assigned • 1.6mi

6/10

Clear Creek High School

Public 9-12 • Assigned • 1.4mi

6/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

10/10 Flood Factor

Estimated 80%+ chance 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

10/10 Heat Factor

7 days above 109° expected this year, 24 days in 30 years

10/10 Wind Factor

99% chance of strong winds in next 30 years

2/10 Air Factor

1 unhealthy days expected this year, 1 days in 30 years

Provided by First Street

Historical weather

Houston, TX • 77058

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 9.6 hours in June and 4.7 hours in December, which is comparable to the U.S. average for solar exposure.

9.6 hrs

4.7 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.60M – $1.93M

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Home values near 18603 Upper Bay Rd

Data from public records.

Address	Redfin Estimate
18615 Upper Bay Rd, Houston, TX 4 Beds \| 2.5 Baths \| 2691 Sq. Ft.	$680,964
18626 Upper Bay Rd, Houston, TX 5 Beds \| 2.5 Baths \| 3347 Sq. Ft.	$411,434

Address	Redfin Estimate
18611 Upper Bay Rd, Houston, TX 4 Beds \| 4 Baths \| 4920 Sq. Ft.	$1,996,409
18630 Upper Bay Rd, Houston, TX 5 Beds \| 3.5 Baths \| 3094 Sq. Ft.	$542,209

Address	Redfin Estimate
18607 Upper Bay Rd, Houston, TX 3 Beds \| 2.5 Baths \| 2674 Sq. Ft.	$1,193,273
18618 Upper Bay Rd, Houston, TX 4 Beds \| 2.5 Baths \| 2541 Sq. Ft.	$418,663

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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 77058, TX

Sale history for 18603 Upper Bay Rd

Tax history for 18603 Upper Bay Rd

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 77058

Home values near 18603 Upper Bay Rd

More real estate resources