
Associate, Purchasing Agent
Job Description
Who We Are
Core Spaces (Core) is more than a real estate company, it’s a people company
Where building relationships is just as important as building properties
From researchers and architects to designers and operators, Core is made up of risk takers and dreamers who are on a mission to invent the future of living
Our six cultural values guide us every day and we strive to live them in everything we do: PUSH (Invent Better Places to Live), GRIT (We Got This), LIFT (Help Each Other Win), SHINE (Bring Your Full Self), UPHOLD (Never Break Trust), GROW (Always Get Better)
Everything Core does stems from this culture of collaboration and innovation, and the drive to constantly improve the resident experience
This unique approach has led to creating spaces and services that are redefining the way people live.
What We Do
Treehouse Builders, in partnership with Core Spaces, is a premier residential construction company focused on delivering innovative and inspirational build-to-rent communities
Differentiated by a culture of collaboration rooted in production homebuilding, Treehouse stands out by delivering modern amenities and sustainability features in every community
Treehouse Builders has attracted acclaimed talent in the industry, committed to building the future of living
For more information, check us out at www.treehousebuilds.com.
Benefits That Matter
- A culture that provides you with a sense of belonging
- Competitive pay that values your contributions
- Incentives designed to reward your achievements
- Paid flexible PTO to disconnect or celebrate life milestones
- Paid 14+ holidays, including your birthday, to disconnect and celebrate
- Paid Parental Leave that begins after 90 days
- Paid volunteer time off to give back to your community
- Monthly workshop weeks; fewer meetings & more collaboration
- Robust health plan options that begin within at least 30 days of your employment
- Monthly phone reimbursement
- Wellness allowance and perks, including a yearly subscription to a meditation app
- An environment that provides you a voice to share your perspectives
- Employee Assistance Program (EAP) for access to confidential support services
- Company retirement options including 401(k) + matching & Roth account option
Position Overview
The Purchasing Agent plays a critical role in the successful delivery of Treehouse Builders’ single‑family Build‑to‑Rent (BTR) communities by owning key aspects of trade partner procurement, cost control, contract administration, and permit coordination from early product development through vertical construction and turnover.
This role is accountable for maintaining budget integrity, unit cost accuracy, and pricing discipline across assigned communities
The Purchasing Agent partners closely with Construction, Centralized Services, Accounting, and Trade Partners to ensure scopes of work, pricing, permits, and contracts are properly established, maintained, and executed to support predictable schedules and cost performance.
What You Will Do
Purchasing, Budgeting & Cost Control
- Lead the setup and maintenance of house budgets by plan, elevation, and option within Brix to support accurate unit cost reporting and variance tracking.
- Create and manage Job Start packets with accurate, approved unit costs to support smooth field execution.
- Release Purchase Orders, process change orders and maintain pricing integrity throughout construction.
- Generate, analyze, and distribute weekly variance reports using Brix and BuildPro, partnering with field teams to identify root causes and drive resolution.
- Eliminate office‑related variances through proactive coordination with Construction, vendors, and Accounting.
- Maintain rebate trackers and coordinate timely submittals with the Centralized Services team.
Trade Partner & Contract Management
- Onboard new subcontractors, including contract setup, insurance verification, and compliance tracking.
- Maintain market‑specific Scopes of Work across all construction phases, ensuring consistency and clarity for BTR execution.
- Establish and maintain Bid Trackers by project, supporting competitive bid processes and pricing transparency.
- Support contract negotiations and pricing updates to reflect scope changes, market conditions, and project
.
- Serve as a liaison between vendors and Accounting to resolve invoice discrepancies, purchase order adjustments, and payment issues.
- Partner with Construction leadership to support trade partner performance, including pricing accuracy, responsiveness, and adherence to scopes.
Permitting, Compliance & Municipal Coordination
- Coordinate permit phasing plans with the Construction team to align with BTR start schedules.
- Ensure code compliance by municipality, including all energy and jurisdiction‑specific
.
- Upload all permits to required systems and distribute stamped permit sets to field teams, tracking receipt and acceptance.
Reporting, Systems & Cross‑Functional Support
- Maintain accurate product catalogs, bid documents, and purchasing records.
- Create and distribute starts tracker reports by project.
- Ensure all Standard Bid Documents are current and consistently distributed. <