What Hammerschmidt Construction, Inc. does

Hammerschmidt Construction, Inc. is a privately-held residential design-build remodeling firm headquartered in Los Altos, California, operating under the trade name Hammerschmidt Design + Build. Founded in 1996 by John Hammerschmidt, the company serves homeowners across the San Francisco Bay Area and Silicon Valley, offering integrated design and construction services for whole-house remodels, home additions, kitchen and bathroom renovations, exterior and landscape work, and smaller remodeling projects. Service delivery follows an integrated design-build methodology with fixed-price contracts, allowing the firm to absorb both design and execution risk on each project.

The company's revenue model is project-based, with revenue recognized on individual fixed-price residential contracts. Its client base consists primarily of homeowners in a single premium geographic market, and the firm has cultivated repeat engagement — one client has reportedly completed seven sequential projects — indicating meaningful client retention at the individual level. The firm holds several industry certifications relevant to its market, including Certified Graduate Builder (CGBP), Certified Aging-in-Place Specialist credentials, and EPA Lead-Safe Firm certification. It has earned multiple NARI awards, including a 2019 Gold Medal, and has been recognized in the Qualified Remodeler Top 500 list, reflecting an industry-recognized reputation despite a small operational footprint.

Hammerschmidt operates with a reported 1–10 employees, characterizing it as an owner-led small practice rather than a scaling enterprise. The firm maintains active community involvement through nonprofit board service and local organizations such as the Rotary Club, which functions as a relationship-driven lead-generation channel in a referral-heavy residential market. There is no disclosed capital structure, no funding rounds, and no M&A activity, consistent with a stable, founder-controlled business operating in a service-intensive local industry.

Name

Hammerschmidt Construction, Inc.

Legal name

Hammerschmidt Construction, Inc.

Website

https://hammerschmidtinc.com

Company type

Private

Founded year

1996

Operating status

Operating

Headcount range

1–10 employees

Short description

Hammerschmidt Construction is a privately-held Los Altos, California-based design-build residential remodeling firm serving homeowners in the San Francisco Bay Area. Founded in 1996, it delivers whole-house remodels, additions, and kitchen/bath renovations under fixed-price contracts.

Ownership category

akta.pro rank

Product category

Residential Remodeling Services

NAICS

Residential Remodelers (236118), Residential Building Construction (23611)

SIC

General Bldg Contractors - Residential Bldgs (1520), Operative Builders (1531)

akta.pro primary industry

Residential Design-Build & Renovation-Integrated Builders (IMAFABAE)

akta.pro secondary industries

Renovation, Remodeling & Tenant Improvements (General Contracting) (IMAFAAAE), Whole-Home Interior Renovation (Non-Structural) (HSAPAEAC), Residential Green / High-Performance Home Construction (Net-Zero, Passive House) (IMAFABAH)

Keywords

• Residential remodeling services
• Design-build remodeling
• Kitchen renovation
• Bathroom renovation
• Home addition construction

Headquarters

HQ city

Los Altos

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Residential Remodeling Services: One-time project-based fees for home remodeling services including whole-house remodels, additions, kitchen and bathroom renovations, exterior and landscape projects. Revenue is generated through fixed-price contracts negotiated per project. Timely communication and fixed-price contracts offer peace of mind, virtually eliminating change orders, unexpected costs, and project delays.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

Hammerschmidt Construction provides design-build residential remodeling services to San Francisco Bay Area homeowners, including whole-house remodels, room additions, interior remodels, kitchen renovations, bathroom renovations, exterior and landscape projects, and small projects. The firm operates as a Certified Green Builder, delivers work under fixed-price contracts to eliminate change orders, and manages both design and construction with the same in-house team.

Product overview

Hammerschmidt Construction, Inc. (d.b.a. Hammerschmidt Design + Build) is a design-build remodeling company offering a comprehensive portfolio of residential renovation services. The company provides whole house remodels, additions and interior remodels, kitchen and bathroom remodeling, exterior and landscape improvements, and small projects. Their integrated Design + Build methodology combines planning and construction under one roof, while their Green Building specialization offers certified sustainable remodeling. The company serves the San Francisco Bay Area including Los Altos, Palo Alto, Mountain View, Sunnyvale, San Jose, and surrounding communities, operating since 1996.

Differentiator

Problem solved

Functional benefit

Products and services

• Whole House Remodels Comprehensive design-build remodeling services that transform entire homes, including structural changes, room additions, and complete interior renovation, delivered to Bay Area homeowners under a fixed-price contract.
• Additions and Interior Remodels Design-build expansion of existing living spaces and interior renovation services to maximize home functionality and value, including room additions, master suites, libraries, and reconfigured layouts for Bay Area homeowners.
• Kitchen Remodeling Design and renovation services for kitchen spaces including cabinetry, countertops, fixtures, appliance upgrades, butler's pantries, and layout redesign, delivered to Bay Area homeowners under John Hammerschmidt's CKBR credential.
• Bathroom Remodeling Complete bathroom renovation services including fixtures, tiling, vanities, and spa-like upgrades such as primary suites, wet rooms, and walk-in showers for Bay Area homeowners.
• Exteriors and Landscapes Outdoor living space improvements including decks, patios, landscaping, exterior architectural enhancements, and whole-house fans for Bay Area homeowners.
• Small Projects Minor renovation and improvement projects for targeted home upgrades such as skylights, new windows and doors, lighting, and other discrete scope items for Bay Area homeowners.
• Design + Build Service Integrated design and construction approach where the same team handles both planning and execution under a single fixed-price contract, offering cost certainty and reduced stress for homeowners compared to traditional design-bid-build processes.
• Green Building / Certified Green Remodeling Certified sustainable remodeling practices using eco-friendly materials and energy-efficient techniques, including insulation, water conservation, and indoor air quality improvements, delivered as one of the area's first Certified Green Builder offerings.

Named customers6 records

Segments2 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Six partnerships are on record, tiered core and minor.

• National Association of the Remodeling Industry (NARI)coreOthersActive member of NARI, a national not-for-profit organization of remodeling professionals. The association promotes quality work, high standards, and ethical practices within the remodeling industry. Company participates in NARI Silicon Valley Chapter events including annual bike build volunteer activities.
• Turning Wheels for Kids (TWK)minorOthersAnnual volunteer participation in TWK Bicycle Build program, a nonprofit of the Valley Health Foundation that distributes bikes to low-income families. John Hammerschmidt and other NARI Silicon Valley Chapter members volunteer to assemble bicycles for Christmas distribution.
• Los Altos Rotary ClubminorOthersJohn Hammerschmidt is a longtime member of the Los Altos Rotary Club, participating in community projects including the installation of a new BBQ at Patriot's Corner in Shoup Park to honor local veterans.
• Strike Out Fear FoundationminorOthersThe Strike Out Fear Foundation's Immediate Impact program creates comforting environments in cancer clinic waiting rooms. John donated after-hours time to complete the foundation's first makeover at the Palo Alto Medical Foundation, installing entertainment equipment in waiting and treatment rooms.
• Baja Vision MinistriesminorOthersNonprofit organization that identifies families needing homes in Tecaté, Mexico. Hammerschmidt participates in annual mission trips building homes for families without adequate shelter. Over 400 homes have been built through the program in partnership with The King's Academy.
• Second Harvest Food Bank of Santa Clara and San Mateo CountiesminorOthersAnnual food drive partner during company holiday party. Employees, subcontractors, and customers are encouraged to bring canned food donations. Second Harvest provides food to nearly 250,000 people each month.

Scale indicators3 records

Recent moves4 records

Expansion highlights3 records

Direct peers

• Carbon Construction: Bay Area design-build general contractor focused on remodels and additions in the Peninsula and South Bay — overlaps in geography, design-build delivery model, and high-end residential customer base.
• Studio Schicketanz: Carmel/Bay Area architecture and design-build firm specializing in high-end custom residential remodels with sustainability emphasis — comparable premium positioning, design-build model, and eco-focused credentials.
• Harrell Remodeling: Bay Area (Los Gatos / Silicon Valley) design-build remodeling firm offering whole-house, kitchen, bath, and addition services with fixed-price contracts and a similar homeowner-centric approach — directly comparable in service mix, geography, and project ticket sizes.
• De Mattei Construction: San Jose / Bay Area design-build remodeler focused on whole-home remodels, additions, and kitchen/bath projects for affluent Silicon Valley homeowners — closely overlapping with Hammerschmidt in target customer, project size, and integrated design-build delivery.
• Allied Construction: Bay Area residential design-build firm serving Silicon Valley with whole-house remodels and custom home services — comparable target market, service portfolio, and integrated delivery.
• 4 Dimensions Design + Build: Bay Area design-build remodeler serving Silicon Valley with kitchen, bath, and whole-house renovations — comparable service offering, integrated design-build methodology, and homeowner target market.
• GTC Construction: San Jose / Bay Area general contractor performing residential remodels, additions, and custom home building — comparable mid- to high-end residential project focus and Silicon Valley geography.
• Wheeler Construction: Bay Area remodeling contractor offering whole-home remodels, kitchens, baths, and additions with a similar relationship-based, design-led approach — relevant peer on service mix and customer segment.

Broad incumbents

• Power Home Remodeling: Large national exterior and remodeling company with category leadership in windows, roofing, and siding — operates at much greater scale than Hammerschmidt but competes for overlapping homeowner segments in California.
• DreamMaker Bath & Kitchen: National franchise remodeling brand focused on kitchen and bath remodels with regional franchisees across the U.S. — broader scale and brand, but overlapping in core kitchen/bath service offerings.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/HammerschmidtConstruction
• LinkedInlinkedin.com/company/hammerschmidt-design-build

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Hammerschmidt Construction, Inc.