Roof repair & replacement · San Marcos, Texas

Roof repair and hail-damage roofing in San Marcos, TX

51 hail reports within 10 miles of San Marcos in 2016–2025^[1]. Get a roofer out to inspect before a small leak becomes a ceiling. San Marcos, in Hays County and Caldwell County and Guadalupe County — ZIP 78666, counts 77,830 residents (2025 estimate)^[2].

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San Marcos roofing snapshot: the key figures

Population (2025 est.): 77,830^[2]+14.9% since 2020
County: Hays / Caldwell / Guadalupe^[2]city spans more than one county
Land area: 40.4 sq mi^[3]
Population density: 1,925 / sq mi^[2]^[3]
Hail reports within 10 mi: 51^[1]2016–2025 · 44 at 1 inch or larger
Largest hail reported nearby: 3″^[1]May 9, 2024, 4.2 mi from city center
Months with the most hail reports: April and March^[1]2016–2025
Damaging-wind reports within 10 mi: 35^[1]peak 81 mph estimated · Apr 3, 2020
Median year homes were built: 2001^[4]the oldest of the 15 Austin-area suburbs we cover
Median home value: $310,400^[4]2020–2024
Detached single-family homes: 35%^[4]share of all housing units

Reading the San Marcos data for roofing

San Marcos counts 77,830 residents (2025 estimate), growing at a middle-of-the-pack 14.9% since 2020^[2]. The city spans 40.4 square miles at 1,925 residents per square mile (the 9th densest) and spans Hays County and Caldwell County and Guadalupe County, served by ZIP code 78666^[3].

With 51 hail reports within 10 miles in 2016–2025, roofs of every age take hits here — new architectural shingles beside twenty-year-old three-tabs, and hail doesn't check the install date.

78666 is the city's single ZIP code^[5].

The tracked suburbs closest by are Kyle (8.9 mi N), Buda (14.8 mi N) and Dripping Springs (24.2 mi NW)^[3].

Observers filed 51 hail reports within 10 miles of central San Marcos in 2016–2025, on 18 storm days across 9 years^[1] — the 7th-fewest of the 15 Austin-area suburbs we cover; Kyle (43), Buda (26), and Dripping Springs (15) for comparison. 44 were severe-size, 1 inch or more^[6], and 13 reached golf-ball size (1.75″).

Biggest: 3.0-inch on May 9, 2024, 4.2 miles NW of the center. Latest: May 22, 2025, 1.5-inch^[1]. Reports peak in April and March.

35 damaging-wind reports came from within 10 miles in 2016–2025, peaking at 81 mph (estimated) on Apr 3, 2020^[1]. 2 tornado reports also fall inside that radius^[1].

Half of San Marcos's homes were built before 2001^[4] — the oldest of the 15 Austin-area suburbs we cover (median years nearby: Kyle (2010), Buda (2012), and Dripping Springs (2013)). Many roofs here have likely been replaced before — ask what is under the current layer.

Median home value: $310,400 (the lowest of the 15 Austin-area suburbs we cover); 35% of housing is detached houses^[4].

Measured against the 15 suburbs on this site, San Marcos records the oldest housing (by median year built) (2001)^[4], the lowest median home value ($310,400)^[4], the lowest share of detached houses (35%)^[4], and the 3rd-lowest share of homes built since 2010 (33%)^[4].

Hail reports within 10 miles of San Marcos, 2016–2025

Largest reports
Date	Size	Distance
May 9, 2024	3″	4.2 mi
May 22, 2025	2.5″	7.9 mi
May 9, 2024	2.5″	0.5 mi
May 22, 2025	2″	5.1 mi
May 22, 2025	2″	6.2 mi

Each dot is one hail report, sized by hail diameter, placed relative to the city center. Rings: 5 and 10 miles.^[1]

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Before you call: after a hail or wind storm

Whose roof is it? San Marcos homes by building type

With 62%^[4] of San Marcos's homes attached or in multi-unit buildings (multi-unit buildings alone: 58%, the highest multi-unit share of the 15 Austin-area suburbs we cover), many roofs here are shared: in a townhouse, condo or apartment, ask your HOA, association or landlord who handles the roof before you hire anyone.

After detached houses, the biggest group is 50 or more units: 5,330 of 30,349 housing units^[4].

San Marcos's 751 mobile homes (2.5%) need a roofer who works on manufactured-home roofs; mention it when you request help.

San Marcos's 30,349 housing units by building type, 2020–2024^[4]
Building type	Units	Share	Margin of error
Detached house	10,628	35.0%	±747
Attached house (townhouse, rowhouse)	1,395	4.6%	±373
Duplex (2 units)	1,141	3.8%	±330
3–4 units	2,239	7.4%	±458
5–9 units	2,336	7.7%	±539
10–19 units	3,601	11.9%	±637
20–49 units	2,906	9.6%	±605
50 or more units	5,330	17.6%	±638
Mobile home	751	2.5%	±212
Boat, RV, van, etc.	22	0.1%	±37

Margins of error are the Census Bureau’s 90% intervals; small categories in small cities are rough.

The San Marcos numbers behind this page

How San Marcos stacks up against the median suburb we cover (median of 15)^[4]^[1]
Measure	San Marcos	Median of 15	Difference
Owner-occupied	31%	69%	39 pts lower
Detached single-family	35%	74%	39 pts lower
Damaging-wind reports (10 mi)	35	24	11 more
Built 2010 or later	33%	50%	17 pts lower
Median home value	$310,400	$420,000	26% lower
Hail reports (10 mi)	51	56	5 fewer
Median year built	2001	2010	9 years older

Biggest gaps first. Medians are middle values across the Austin-area suburbs we cover, drawn from the same sources.

San Marcos and nearby suburbs, side by side^[1]^[4]^[3]
City	Hail reports ≤10 mi	1 inch or larger	Largest	Median year built
San Marcos	51	44	3″	2001
Kyle 8.9 mi	43	36	3″	2010
Buda 14.8 mi	26	21	2.75″	2012
Dripping Springs 24.2 mi	15	13	3″	2013
Bee Cave 30.0 mi	26	15	1.75″	2012
Lakeway 33.4 mi	25	15	1.75″	2004

Most recent hail reports within 10 miles of San Marcos^[1]
Date	Size	Where
May 22, 2025	1.5″	5.2 mi E
May 22, 2025	2.5″	7.9 mi NE
May 22, 2025	2″	6.2 mi E
May 22, 2025	2″	5.1 mi NE
May 22, 2025	1.5″	8.2 mi E
May 22, 2025	1″	4.7 mi E
Mar 23, 2025	1″	8.7 mi NE
Mar 23, 2025	1″	6.1 mi S
Mar 23, 2025	0.75″	9.9 mi SW
May 9, 2024	2″	0.6 mi NE

Most recent damaging-wind reports within 10 miles^[1]
Date	Wind	Distance
May 26, 2025	64 mph (est.)	0.5 mi
May 23, 2025	64 mph (est.)	9.0 mi
May 22, 2025	61 mph	4.2 mi
May 9, 2024	70 mph (est.)	3.4 mi
May 9, 2024	60 mph (est.)	1.8 mi
May 9, 2024	70 mph (est.)	6.0 mi

Hail reports near San Marcos by month, 2016–2025^[1]
Month	Reports
March	15
April	21
May	15

When San Marcos's 30,349 housing units were built^[4]
Built	Units	Share	Margin of error
2020 or later	2,153	7.1%	±467
2010 to 2019	7,830	25.8%	±774
2000 to 2009	5,734	18.9%	±792
1990 to 1999	3,327	11.0%	±623
1980 to 1989	4,319	14.2%	±725
1970 to 1979	2,839	9.4%	±548
1960 to 1969	1,341	4.4%	±344
1950 to 1959	1,357	4.5%	±308
1940 to 1949	742	2.4%	±319
1939 or earlier	707	2.3%	±237

ACS 2020–2024 estimates; margins of error are the Census Bureau's 90% intervals.

ZIP code areas covering San Marcos^[5]
ZIP (ZCTA)	Share of San Marcos's land	Share of the ZIP inside the city
78666	91%	17%

roofing questions from San Marcos homeowners

How often does hail hit near San Marcos?

On 18 days in 2016–2025, in 9 different years^[1].

When is hail season in San Marcos?

Nearby reports peak in April and March^[1].

Which San Marcos areas do these roofers cover?

ZIP 78666^[5], Hays County. Close by: Kyle (8.9 mi), Buda (14.8 mi), and Dripping Springs (24.2 mi)^[3].

Storm disaster declarations for Hays County?

11 storm-related declarations since 2000, including Severe Storms, Straight-Line Winds, Tornadoes, and Flooding (DR-4781, 2024), Severe Winter Storm (DR-4705, 2023), and Severe Winter Storms (DR-4586, 2021)^[7].

A lot of San Marcos homes predate 1980 — what does that mean for roof work?

23% of San Marcos's housing units were built before 1980, 9.2% before 1960^[4] — the highest share of the 15 Austin-area suburbs we cover. Older houses are more likely to be on a second or later roof; ask whether a quote includes tearing off every existing layer and checking the decking underneath.

Sources

Data pulled Sep 28, 2026. Full citations and method.