Mason AI

Overview

Finish plan review 40% faster on residential plans. Mason marks up plans, cites the building codes, and helps you write your response letter.

Funding and backers

Hiring now
1
open roles
Backers
1
Urban
Momentum
0/100
no fresh signals
Last sign of life
2 mo ago
a posting or a news item
Backed byfrom the funds' portfolios and accelerator catalogs
Investors in similar startupsfunds that back the companies most like this one
Similar startupsby what they do, their industry and backers
Permit RockstarConvertible Note $300k · 11 mo ago · Founded 2025
Construction permit management made simple. Permit Rockstar helps contractors manage permitting, plan reviews, inspections, tracking and…
CivCheck's Guided AIPlan Review (GPR)platform is the first-of-its-kind guided plan review and code compliance education software that…
MeaningfulFounded 2024 · 51-200 employees
One flat-rate AI research platform built for insight agencies. Run every project through Meaningful and mark up to clients. Featured in…
Simplify Collaboration on Digital Assets, Improve Efficiency Mark up on documents, websites, courses, videos and manage your projects…
Galileo EducationVenture round $2.8M · 4 yr ago · Founded 2020 · 11-50 employees
0 Reimagining education. Galileo Education was founded in 2020 by Mark Claypool.
Litero helps you research, write, cite, and polish. Effortlessly.

Jobs

$160k – $210k per year · In office · Full-Time · 3+ years exp · San Francisco
Claude Code
Multimodal AI
Computer Vision
AI Agents
Post-training
Apply

Salary insights

Compensation ranges based on this company's open jobs
Median
$210k
Typical range
$210k
Open positions
1
1 Jobs
Middle 100%
Level Jobs Median Typical range
Middle 1 $210k $210k
Highest paying role Founding AI Engineer $210k
Normalized to USD per year

Growth

Hiring Momentum
28/100
Slowing
Open positions
1
0 opened / 0 closed in 30 days
ATS activity
Every ~5 hours
Today
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
AI/ML
100% ▼

Tech stack

Technologies named in job postings at Mason AI over the last 12 months, by layer, with the share of postings for each.
Technologies in use
5
Postings analysed
1
Stack modernity
72/100
Developer tools
Claude Code
Practices & domains
AI Agents
Computer Vision
Multimodal AI
Post-training
Sign in to see how your skills match this stack Sign In

Connections

List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors1
UrbanVia a fund
64 portfolio companies: Visage, Voatz, Vendra and 61 more

Offices

Where the company hires and what each office is for
Cities
1
Hiring now
1
Countries
1
Busiest office
San Francisco
San Francisco United States
HQ
1 open roles 1 posted in 90 days 100% engineering $210k Avg Salary
hires for AI/ML
38 Clyde, San Francisco, CA, 94107, US
seen since Aug 2026 company site, job postings