ADA Parking Lot Striping
In Midwest Houston, TX

What ADA Parking Lot Striping Includes

ADA parking lot striping is the set of markings and signs that make a lot legally accessible: correctly sized accessible spaces, the striped access aisles beside them, the International Symbol of Accessibility painted on the pavement, and the mounted signs that reserve each space. Done right, it is not paint added around the edges — it is spaces placed on the shortest accessible route to the entrance, sized so a wheelchair lift or ramp actually has room to deploy.

Accessible parking on a commercial lot answers to two layers of rule at once. The federal 2010 ADA Standards for Accessible Design set the national floor, and the 2012 Texas Accessibility Standards, administered by TDLR, apply the state layer to Texas commercial construction and alterations. We stripe to both.

How Many Accessible Spaces Your Lot Needs

The ADA sets the count on a sliding scale against your total number of spaces, in the §208.2 table. The more spaces the lot has, the more accessible spaces it owes:

Total spaces in lot	Minimum accessible spaces
1 to 25	1
26 to 50	2
51 to 75	3
76 to 100	4
101 to 150	5
151 to 200	6
201 to 300	7
301 to 400	8
401 to 500	9
501 to 1,000	2% of total
1,001 and over	20, plus 1 per 100 over 1,000

We calculate the exact figure for your total during the estimate, so you are building to the real requirement rather than a guess.

Van-Accessible Spaces, Access Aisles & Signage

Of the accessible spaces a lot owes, a share must be van-accessible. Under §208.2.4 of the 2010 Standards, at least one of every six accessible spaces — or fraction of six — has to be van-accessible, and a lot never has fewer than one van space. A standard accessible car space runs eight feet wide with a five-foot striped access aisle; a van space is wider, at eleven feet with a five-foot aisle, or eight feet wide paired with a wider eight-foot aisle. Two accessible spaces can share one aisle between them.

The access aisle is not decorative and it is not extra parking — under §502.3.3 it has to be marked so drivers are discouraged from parking in it, which is why we stripe it out with hatching rather than leaving it blank. The space and its aisle also have to be close to level: §502.4 limits the slope in all directions to no steeper than 1:48 (about 2%). That one trips up Houston lots in particular, because pavement is often built with extra pitch for Gulf Coast drainage, and a space that drains well can still fail the accessibility slope. We check the fall before we commit an accessible space to a spot.

Signage is part of compliance, not an extra. Section 502.6 requires each accessible space to be marked with a sign bearing the International Symbol of Accessibility, mounted high enough that the bottom of the sign sits at least sixty inches above the ground so it stays visible over a parked vehicle; van spaces add a “van accessible” designation. We paint the ISA on the pavement and install the signs to that height.

Texas Accessibility Standards & the Safe-Harbor Trigger

This is where owners get tripped up, so it is worth being precise. Accessibility requirements attach to a trigger — new construction or an alteration to the lot. For a lot being built or altered today, the current 1-in-6 van ratio and the 2010 dimensions apply. An older lot built to the 1991 standard may show a 1-in-8 van ratio and can sit under a “safe harbor” if that element has not been altered, which is why two lots down the street from each other can carry different counts.

We do not treat a routine restripe as an “alteration” that forces an upgrade — that is a legal determination, not a striping call. When your question is whether an existing lot has to be brought up to the current standard, the right answer comes from a Registered Accessibility Specialist (RAS) registered with TDLR, and we will tell you that rather than guess. What we will do is stripe your lot correctly to whichever standard applies.

Our ADA Striping Process

1. Count and calculate. We total the lot’s spaces, apply the §208.2 table, and work out how many accessible and van-accessible spaces are required.
2. Place for the route. We locate the accessible spaces on the shortest accessible path to the entrance, where the ADA wants them.
3. Stripe and mark. We lay out the spaces, access aisles, and the ISA pavement symbol to the correct dimensions in durable traffic paint.
4. Sign it. We install the ISA signs at the required height, adding “van accessible” where it applies.
5. Confirm. We walk the finished layout against the standard before we leave.

Why Choose 1-800-STRIPER for ADA Striping in Midwest Houston

ADA work is where a cheap stripe job gets expensive later — wrong count, wrong aisle width, signs too low, and a complaint or a failed inspection follows. We get the count from the actual §208.2 table, size the spaces and aisles to the 2010 Standards, mount the signs to §502.6, and tell you plainly when an existing-lot question belongs with a Registered Accessibility Specialist instead of a striping crew. Straight answers, correct paint, free estimate. Call (832) 240-9457.