Diamond Pier
Diamond Pier (Pin Foundations, Inc.) is a family-owned U.S. manufacturer of precast concrete pin-pile foundation systems serving residential deck builders, DIY homeowners, and engineered-project commercial clients via Lowe's, independent lumber yards, and direct project services.
- Company typePrivate
- Founded1993
- HeadquartersGig Harbor, United States
- Headcount1–10
- GTM typeB2B and B2C
- OfferingHardware or Manufacturing
What Diamond Pier does
Diamond Pier (legal entity Pin Foundations, Inc.) is a family-owned, privately held U.S. manufacturer of precast concrete pin-pile foundation systems, founded circa 1993 and headquartered in Gig Harbor, Washington with marketing and operations support in Oak Park, Illinois. The company's core technology combines four galvanized steel bearing pins driven at opposing angles into undisturbed soil with a high-strength precast concrete head that acts simultaneously as driving guide, pin-pile lock, and structural connection, transferring bearing, uplift, and lateral loads without excavation. The retail product line includes the DP-50 and DP-75 residential piers (in DP-50/50", DP-75/50", and DP-75/63" variants) plus the proprietary 1-1/8" hex Diamond Pier Driving Bit accessory, while the engineered DP-100E and DP-200E models and a Project Services capacity-report workflow address commercial and public-use applications such as boardwalks, platforms, decks, pavilions, and bridges in environmentally sensitive sites.
The company monetizes through two distinct motions. The first is pre-engineered hardware sales via a multi-channel retail network that includes Lowe's locations across multiple states and dozens of independent lumber yards and building-supply retailers, with units sold by the full skid (45 piers DP-50/50 or 24 piers DP-75/63) and a New Stocking Retailer Program offering a free driving bit and website listing in exchange for a first full-skid purchase. The second is direct, quote-based Project Services for site-specific engineered work, which delivers project-specific Manufacturers Capacity Reports and engineer-sealed submittals; pricing for both channels is not publicly disclosed and is set by individual retailers or by project scope. Diamond Pier is code-compliant under ICC-ES ESR-1895 and EER-1895 (IRC 2006-2024), Wisconsin UDC #201612-O, and individual state approvals in Massachusetts, Minnesota, Michigan, Nebraska, and New Hampshire, and is backed by a Limited Lifetime Warranty.
Customer concentration is diffuse. Diamond Pier serves pro builders and deck contractors (the primary segment), DIY homeowners, stocking retailers, code officials, and a smaller engineered-projects customer base including municipalities, parks, landscape architects, and design-build programs. Use cases span residential decks, porches, gazebos, pergolas, stairways, walkways, accessory structures, and commercial/public boardwalks and platforms; the customer base cited includes contractors with cumulative volumes such as 10,000+ piers (Deck and Basement Company), ~600 homes per year (Kuhn's Construction), and ~50-60 installations (Kevin Flaherty), as well as high-profile public projects such as the Nisqually Delta Boardwalk, Meadowdale Beach Park, Rockaway Big Tree Trailhead, and the Brooklyn Naval Cemetery Boardwalk. Geographic reach is continental U.S. through stocking retailers across more than 20 states, with international agency references but no disclosed international distribution infrastructure.
Diamond Pier firmographics
Firmographics- Name
- Diamond Pier
- Legal name
- Pin Foundations, Inc.
- Website
- https://diamondpiers.com
- Company type
- Private
- Founded year
- 1993
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Diamond Pier (Pin Foundations, Inc.) is a family-owned U.S. manufacturer of precast concrete pin-pile foundation systems serving residential deck builders, DIY homeowners, and engineered-project commercial clients via Lowe's, independent lumber yards, and direct project services.
- Ownership category
- akta.pro rank
Diamond Pier industry classification
Industry- Product category
- Building Foundations
- NAICS
- Cement and Concrete Product Manufacturing (3273), Other Concrete Product Manufacturing (32739), Structural Steel and Precast Concrete Contractors (238120), Foundation, Structure, and Building Exterior Contractors (2381)
- SIC
- Concrete Products, Except Block & Brick (3272), Retail-Building Materials, Hardware, Garden Supply (5200)
- akta.pro primary industry
- Piling & Deep Foundations (Driven, Bored, CFA, Micropiles) (IMAFAOAA)
- akta.pro secondary industries
- Post, Footing & Foundation Work for Outdoor Structures (HSAIAJAL), Shallow Foundations & Ground Support (Footings, Rafts, Ground Beams) (IMAFAOAB), Precast Concrete Products (IMADAAAB), Foundation Remediation & Underpinning (Jack Piles, Resin Injection, Re-leveling) (IMAFAOAL)
Keywords
Where Diamond Pier is headquartered
LocationHeadquarters
- HQ city
- Gig Harbor
- HQ country
- United States
- HQ region
- North America
Offices3 records
Markets served
Diamond Pier business model
Business model- GTM type
- B2B and B2C
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure
Revenue model
- Pre-engineered Hardware Sales (DP-50 / DP-75 retail): Pre-engineered Diamond Pier models (DP-50/50", DP-75/50", DP-75/63") sold through retail stores and lumber yards for residential applications. Sold by the pallet/skid (full skid = 45 piers for DP-50/50 or 24 piers for DP-75/63).
- Engineered Project Services / Site-Specific Foundation Design: Project Services for commercial/public-use projects requiring site-specific engineering (geotechnical + structural inputs), producing project-specific Manufacturers Capacity Reports and engineer-sealed submittals. Larger piers (DP-100E, DP-200E) and other Pin Foundations technology products are specified for these projects.
- Stocking Retailer Onboarding Program: New Stocking Retailer Program offers a FREE Driving Bit and FREE website listing on the Diamond Pier retailer locator in exchange for purchase of a full skid of DP-50/50 (45 piers) or DP-75/63 (24 piers). New active stocking dealers also receive a marketing kit (counter mat, counter display, tri-fold brochures).
- Driving Bit Direct Online Sales: Direct online sale of the Diamond Pier Driving Bit (1-1/8" hex shaft) via PayPal checkout. Delivery limited to continental United States. Compatible with DP-50, DP-75, and DP-100 models.
- Limited Lifetime Warranty Obligations: For verified manufacturing defects or performance failures under proper installation, PFI's sole obligation is refunding PFI's published MSRP cost of the product, plus one hundred dollars per pier for labor; refunds are one-time and to the original owner only.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Other | Retail pricing set by individual stocking retailers; product sold by full skid (DP-50/50 = 45 piers, DP-75/63 = 24 piers) |
| One time/ perpetual license | Pay-as-you-go | Diamond Pier Driving Bit — direct online purchase via PayPal |
| Other | Other | Engineered Projects / Project Services — quote-based |
Go-to-market motion4 records
Distribution channels5 records
Marketing channels10 records
Diamond Pier product offering
Product offeringCore offering
Diamond Pier designs, manufactures, and distributes precast concrete pin-pile foundation systems (DP-50 and DP-75 retail models, DP-100E and DP-200E engineered models) for residential and commercial projects such as decks, porches, pergolas, stairways, walkways, boardwalks, and accessory structures. The system replaces traditional excavated concrete footings with a precast concrete head that locks four galvanized steel bearing pins driven at angles into undisturbed soil, enabling installation in minutes with handheld tools and providing code-compliant bearing, uplift, and lateral capacity. Sales occur through independent lumber yards, big-box retailers (Lowe's), direct online driving-bit sales, and a direct Engineered Projects service for site-specific commercial and public-use applications.
Product overview
Diamond Pier offers a single underlying technology — pin pile foundations using a precast concrete head that locks a cluster of galvanized steel bearing pins into undisturbed soil — delivered through a portfolio of products sized to different project scopes. At the residential/retail level, the company sells the DP-50 (light-duty) and DP-75 (heavier-duty) models, including the DP-50/50", DP-75/50", and DP-75/63" variants, supported by the Diamond Pier Driving Bit accessory. For larger commercial, public-use, or site-specific projects, Pin Foundations, Inc. provides the engineered DP-100E and DP-200E models along with its Engineered Projects / Commercial and Special-Order Project Services, which deliver project-specific capacity reports and engineer-sealed submittals. All products share the same Diamond Pier concrete head + galvanized pin pile design (Pin Pile Technology) and are backed by ICC-ES ESR-1895 and EER-1895 evaluation reports, the 10-Year Frost Study, and a Limited Lifetime Warranty.
Differentiator
Problem solved
Functional benefit
Products and services
- Diamond Pier DP-50 A precast concrete head foundation pier with four 1" nominal (1.315" actual OD) galvanized steel bearing pins, sold through retail stores as the DP-50/50" model for light-duty residential projects such as decks, porches, stairs, walkways, and accessory structures on soils with a minimum 1,500 psf bearing capacity.
- Diamond Pier DP-75 A higher-capacity precast concrete head foundation pier with four 1-1/4" nominal (1.67" actual OD) galvanized steel bearing pins, sold through retail as DP-75/50" and DP-75/63" variants for heavier residential decks, porches, and projects requiring more capacity or longer frost-zone ratings.
- Diamond Pier DP-100E Engineered Diamond Pier foundation model referenced for commercial and site-specific engineered projects requiring larger capacity than the retail DP-50/DP-75 models.
- Diamond Pier DP-200E Engineered Diamond Pier foundation model referenced for commercial and site-specific engineered projects requiring the highest capacity within the Diamond Pier range.
- Diamond Pier Driving Bit A 1-1/8" hex shaft driving bit used with a standard breaker/demolition hammer to install Diamond Pier pins. Compatible with DP-50, DP-75, and DP-100 models. Sold directly online by Pin Foundations, Inc. via PayPal checkout, with delivery limited to the continental United States.
- Engineered Projects / Commercial and Special-Order Project Services A site-specific engineering service from Pin Foundations, Inc. that specifies the appropriate Diamond Pier model for commercial and public-use projects (boardwalks, walkways, platforms, overlooks, pavilions, bridges, commercial decks) based on submitted geotechnical and structural information. Delivers a project-specific Manufacturers Capacity Report and engineer-sealed submittals when required, including larger DP-100E and DP-200E piers.
Companies that use Diamond Pier
Customer profileNamed customers20 records
Segments5 records
Ideal customer profiles5 records
Diamond Pier technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature6 records
Diamond Pier partnerships and signals
Strategic signalPartnerships
16 partnerships are on record, tiered flagship, core and minor.
- ICC-ES (International Code Council Evaluation Service)flagshipPin Foundations, Inc. collaborates with ICC-ES on third-party evaluation and ongoing compliance documentation for the Diamond Pier system. The partnership yields the ICC-ES Evaluation Service Reports ESR-1895 (prescriptive bearing) and EER-1895 (IRC equivalency), which are the core code-compliance documents Diamond Pier requires for permit approval in IRC-jurisdiction municipalities. ESR-1895 was most recently revised for frost line exceeding 12". The relationship is bidirectional: PFI pursues evaluation and ICC-ES validates compliance to enable market acceptance.
- Wisconsin Uniform Dwelling Code (Wisconsin Building Product Evaluation #201612-O)coreDiamond Pier secured Wisconsin Building Product Evaluation approval under the Wisconsin Uniform Dwelling Code (Product Approval #201612-O), enabling sales and code-approved use of the DP-50 and DP-75 models in Wisconsin for exterior decks, covered enclosed porches, sunrooms, elevated walkways, stairways, and accessory structures per Wisconsin UDC.
- Public Television's HometimeminorHometime TV (a public television home-improvement program) filmed an episode in which the Hometime crew and Diamond Pier specialists used Diamond Pier footings to build a small bridge in a forest preserve. The video is featured on the Diamond Pier website as installation education and brand-building content.
- Terry A. Nettles, P.E. (State of Washington)coreProfessional engineer who provided expert testimony to the ICC-ES submittal in 2005 describing the Diamond Pier foundation's uplift and frost-heave performance; referenced in current Diamond Pier marketing as third-party technical validation.
- Lowe's (multiple U.S. locations)flagshipLowe's stores across Kansas, Indiana, Nebraska, Iowa, and Illinois stock Diamond Pier products (DP-50 and DP-75) on the retailer-locator network, providing national big-box retail distribution to homeowners and contractors.
- Timbertown (Austin TX, Atlanta GA, Nashville TN)coreTimbertown stores in Pflugerville TX, Marietta GA, and Chapel Hill TN stock Diamond Pier as a stocking retailer serving pro-builder and homeowner demand across the southern U.S.
- McCray LumbercoreMcCray Lumber locations in Olathe KS, Lawrence KS, Topeka KS, Edwardsville KS, Liberty MO, and Waverly NE stock Diamond Pier as stocking retailers in the Midwest.
- Master Halco (Denver, Salt Lake City, West Chicago, Fairfield OH)coreMaster Halco branches in Colorado, Utah, Illinois, and Ohio distribute Diamond Pier foundations as stocking retailers.
- Koopman Lumber (multiple Massachusetts locations)coreKoopman Lumber locations in Dennis, Pembroke, Uxbridge, Sharon, and Grafton MA stock Diamond Pier foundations for pro builders and homeowners across Massachusetts.
- The Deck Supply (multiple Kansas City, Wichita, St. Joseph locations)coreThe Deck Supply showrooms and lumber yards in Kansas City (KS/MO), Lee's Summit, Overland Park, Wichita, and St. Joseph stock Diamond Pier for deck-focused retail.
- RP Lumber (Illinois)minorRP Lumber locations in Champaign IL, Bloomington IL, and DeKalb IL stock Diamond Pier as stocking retailers.
- HPM Building Supply (Hawaii)minorHPM Building Supply in Kīhei, HI stocks Diamond Pier as an island/Hawaii stocking retailer.
- Mid-Cape Home Centers (multiple Massachusetts locations)coreMid-Cape Home Centers stores in Falmouth, S. Dennis, Orleans, Middleboro, and Wellfleet MA stock Diamond Pier across Cape Cod.
- Shepley Wood Products (multiple Massachusetts locations)coreShepley Wood Products stores in Nantucket, Hyannis, and Wellfleet MA stock Diamond Pier foundations.
- Dr. DecksminorFeatured contractor on the Diamond Pier website with a video case study of a massive deck project on Puget Sound using Diamond Pier Foundations on tricky landscape; quote included: 'The ease of the install, even with a challenge, it wasn't as bad as I thought it was going to be since we're on a hill.'
- MAKITA / BOSCH / HITACHI / MILWAUKEE (breaker hammer OEMs)coreDiamond Pier pins are installed using standard 1-1/8" hex-shaft breaker/demolition hammers; the website references compatibility with MAKITA Model HM1307CB, BOSCH Model 11335K, BOSCH Brute BH2760VC, HITACHI H65SD2, and MILWAUKEE MXF368-1XC. The Diamond Pier Driving Bit pairs with these tools.
Scale indicators8 records
Recent moves6 records
Expansion highlights5 records
Diamond Pier competitors and assessment
Company assessmentMarket position
Competitive moat5 records
Key highlights7 records
Customer concentration
Diamond Pier social profiles
Digital presenceDiamond Pier compliance and trust
Trust signalCompliance9 records
Diamond Pier financial estimates
Financial estimateRevenue estimate
Valuation estimate
Diamond Pier leadership team
Management profileNumber of profiles
Profiles1 record
Diamond Pier funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Diamond Pier M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Diamond Pier
What does Diamond Pier do?
Diamond Pier designs, manufactures, and distributes precast concrete pin-pile foundation systems (DP-50 and DP-75 retail models, DP-100E and DP-200E engineered models) for residential and commercial projects such as decks, porches, pergolas, stairways, walkways, boardwalks, and accessory structures. The system replaces traditional excavated concrete footings with a precast concrete head that locks four galvanized steel bearing pins driven at angles into undisturbed soil, enabling installation in minutes with handheld tools and providing code-compliant bearing, uplift, and lateral capacity. Sales occur through independent lumber yards, big-box retailers (Lowe's), direct online driving-bit sales, and a direct Engineered Projects service for site-specific commercial and public-use applications.
Is Diamond Pier a public or private company?
Diamond Pier is a private company. It is classified as family owned and is currently operating.
When was Diamond Pier founded?
Diamond Pier was founded in 1993. It employs 1 to 10 people.
Where is Diamond Pier based?
Diamond Pier is headquartered in Gig Harbor, United States, in the North America region.
How does Diamond Pier make money?
Five revenue lines are on record. Pre-engineered Hardware Sales (DP-50 / DP-75 retail) is the primary driver. The others are engineered Project Services / Site-Specific Foundation Design, stocking Retailer Onboarding Program, driving Bit Direct Online Sales and limited Lifetime Warranty Obligations.
Does Diamond Pier have an API?
No public API is recorded for Diamond Pier.
What industry is Diamond Pier in?
Diamond Pier's product category is Building Foundations. Its primary akta.pro industry code is IMAFAOAA, Piling & Deep Foundations (Driven, Bored, CFA, Micropiles), with a secondary code of HSAIAJAL, Post, Footing & Foundation Work for Outdoor Structures. Its NAICS code is 3273 and its SIC code is 3272.