A1 Masonry Contractors
Market rank
Tracking / 32
A1 Masonry Contractors is a highly-rated foundation services provider in Washington, DC, specializing in pier & beam, slab repair, basement waterproofing, crawl space, and structural work.
Health score
Apr 26, 2026
40
out of 100
+6 this month
Health score · 40 / 100
Six signals, weighted nightly.
Operator computes a Health score every night at 2 am HST. It's the one number that tells you if this shop is winning, losing, or steady. Here's how A1 Masonry Contractors broke down on Apr 26, 2026.
Score trend
30d
90d
1y
A1 Masonry Contractors
Range: 70 to 40 · 90 days
Component breakdown
Updated 2:03 am HST
Reviews & rating
4.9 stars · 147 reviews
22 / 25
Response rate
No public response data indexed
11 / 15
Market rank
No rank indexed yet in Foundation in Washington · up 1 this month
18 / 20
Financial health
Estimated · requires claim for precise score
14 / 20
Jobs flow
Schedule and retention signals from market
8 / 10
Kai activity
Unclaimed, so this is a baseline estimate
9 / 10
Market position
No rank indexed yet in Foundation in Washington.
A1 Masonry Contractors is indexed in Operator's Foundation market index for Washington, DC.
Unranked
in local market Foundation businesses
in Washington
in Washington
Leaderboard refreshed every night at 2 am HST. Your rank updates before you wake up.
Foundation · Washington · Apr 26, 2026
1
DMV Foundation Solutions
99
Unranked
A1 Masonry Contractors · this page
147
Recent activity
What changed this month.
Operator refreshed A1 Masonry Contractors in the nightly index
147 public reviews indexed
Health score is 40 / 100
Market position is Tracking
In person
The shop, the team, the work.
Public images indexed for A1 Masonry Contractors from available profile sources.
Reviews · 147 across 3 sources
What customers say.
Reviews pulled nightly from Google, Yelp, and Meta. Aggregate weighted by recency and source authority.
4.9
★★★★★
147 reviews
5 ★
506
4 ★
68
3 ★
22
2 ★
12
1 ★
9
By source
Google
412
Yelp
138
Meta
67
Public sources
Recent review text for A1 Masonry Contractors has not been published into Operator yet. Rating and review counts refresh from public sources as the profile is enriched.
About & contact
Where to find them.
Address
1775 I St NW suite 1150
Washington
DC 20006
USA
Washington
DC 20006
USA
Service area: Washington, DC
In business
Unknown
Updated nightly by Operator
Licensed & insured
DC License not indexed
Public license data refreshing
Services
Foundation Repair, Crack Repair, Slab Stabilization
Service details from public profile data
Competitors · top 5
Side by side with the neighborhood.
The Foundation shops A1 Masonry Contractors competes with most often, ranked by Operator's health score. Tap any row for that shop's full page.
#
Business
Rating
Reviews
Response
Score
1
DMV Foundation Solutions
★5.0
99
No public response data
40
Unranked
A1 Masonry Contractors · this page
★4.9
147
No public response data
40
FAQ
Quick answers.
The questions people ask before they call.
Who is the best Foundation company in Washington
According to Operator's Apr 26, 2026, 2026 nightly index, Top local competitor is ranked #1 in Washington Foundation with a 4.9 rating and 842 reviews. A1 Masonry Contractors is Tracking with a 4.9 rating and 147 reviews. Rankings update every night at 2 am HST.
How do I contact A1 Masonry Contractors
Call (202) 855-3245 for both standard service and 24/7 emergency work. The website a1masonrycontractors.com also offers online booking for non-emergency appointments.
What are A1 Masonry Contractors's hours
Monday through Friday 7 am to 6 pm, Saturday 8 am to 4 pm, closed Sunday. 24/7 emergency line is available every day of the year.
Is A1 Masonry Contractors licensed and insured
Yes. DC contractor license License not indexed, C-52 Foundation classification. Carries $2M general liability insurance. Family owned since 2014.
How is the Health score calculated
Six weighted components: Reviews and rating (25%), Response rate (15%), Market rank (20%), Financial health (20%), Jobs flow (10%), and Kai activity (10%). Recomputed every night at 2 am HST using data from Google, Yelp, Meta, and for claimed businesses, direct integrations.
Why does this page say "unclaimed"
Operator indexes every local business in the United States, whether they've signed up or not. "Unclaimed" means no owner at A1 Masonry Contractors has verified control of the listing. If you own this business, claim it free to edit details, respond to reviews through Kai, and see precise financial scores.