iHouse Apartment Construction

Open Solicitation Posted

Solicitation number
75H70126R00026
Agency
Responses due
Set-aside
Indian Small Business Economic Enterprise

Opportunity facts

Place of performance
Tonalea, Arizona 86044, United States

Notice details come from SAM.gov. Updated .

About this opportunity

The Indian Health Service seeks construction of a 19-unit apartment building adapted to a new site under Solicitation 75H70126R00026, with proposals due December 1, 2026, per Amendment A05. The procurement is an Indian Small Business Economic Enterprise (ISBEE) set-aside under NAICS 236220, Commercial and Institutional Building Construction, with a $45 million size standard and PSC Y1FA.

Place of performance is Indian Route 6290, Tonalea, AZ 86044, in Coconino County. The contract is firm-fixed-price, with a construction magnitude between $5 million and $10 million and a 365-calendar-day period of performance. Offerors must submit proof of ISBEE status, small business certification under NAICS 236220, and a self-performance calculation showing at least 15 percent of contract cost performed by the offeror's own employees. The bid bond equals 20 percent of bid price or $3 million, whichever is less. Technical proposals must demonstrate experience adapting designs to new locations and constructing multi-unit apartment buildings, and must include a technical narrative addressing schedule, logistics, and utility coordination with the Navajo Tribal Utility Authority (NTUA). Past performance is submitted through CPARS or optional Past Performance Questionnaires for projects completed within six years. Successful offerors must be registered in SAM.

The evaluation method is Lowest Price Technically Acceptable. Award goes to the lowest-priced offer that is technically acceptable and demonstrates satisfactory past performance.

Amendment A06, posted November 4, 2026, replaces the drawings with the J03b iHouse Apt 02 Phase 4 IFC Drawings R2. Offerors must acknowledge all amendments. The most recent Q&A file is dated November 2, 2026.

Notice text

7 versions

Update #7 · Latest ·

Amendment A06: 

1. The purpose of this solicitation amendment A06 is to post update Drawings.
2. Attached are the updated Drawings, J03b iHouse Apt 02 Phase 4 IFC Drawings R2.
3. All other terms and conditions remain unchanged.

Amendment A05: 

1. The purpose of this solicitation amendment A05 is to (1) Post the remaining questions and answers (Q&As), (2) Post the
iHouse Apt 02 Phase 4 Drawings, (3) post S124 iHouse. and (4) extend the offers due date.
2. Attached are the answers to the remaining questions received, iHouse Apt 02 Phase 4 Drawings, and S124 iHouse
3. The offers due date is extended to 12/01/2026.
4. All other terms and conditions remain unchanged.

Amendment A04: 

1. The purpose of this solicitation amendment A04 is to (1) Post the some of the remaining questions and answers (Q&As), (2) Post the final Geotech Report, and (3) extend the offers due date.
2. Attached are the answers to the some of the remaining questions received and attachment J01a GeoTech 10Sep2024.
3. The offers due date is extended to 11/12/2026.
4. The Government may provide updated attachments when the remaining Q&A’s are posted.
5. All other terms and conditions remain unchanged.

Amendment A03: 

1. The purpose of this solicitation amendment is to extend the offers due date.
2. It is taking longer than expected to respond to the questions received. The offers due date is extended to 10/22/2026.
3. All other terms and conditions remain unchanged.

Amendment A02: 

1. The purpose of this solicitation amendment is to extend the offers due date.
2. It is taking longer than expected to respond to the questions received. The offers due date is extended to 10/08/2026.
3. All other terms and conditions remain unchanged.

Amendment A01: 

1. The purpose of this solicitation amendment A01 is to:
a. Post questions and answers (Q&As),
b. Post the site visit sign-in sheet,
c. Post the Geotech Report,
d. Update a clause,
e. Extend the offers due date.
2. Attached are the questions received to this date with some answers. The Government is researching the rest of the questions and will post those answers soon.
3. Attached is the site visit sign-in sheet.
4. Attached is the Geotech Report.
5. HHSAR clause 352.223-70 Safety and Health is updated to the OCT 2026 version and the full text is provided at the end of this amendment.
6. The offers due date is extended to 09/24/2026.
7. Remember to acknowledge all amendments. Block 11 of the SF-30 provides instructions for acknowledging amendments; it is acceptable to acknowledge on block 19 of the SF-1442.
8. All other terms and conditions remain unchanged.

Request for Proposals 75H70126R00026

iHouse Apartment Construction

Goal: The objective of this project is to adapt and construct a 19-unit apartment building to a new location while ensuring compliance with all applicable local building codes and regulations.

Set-Aside: ISBEE set-aside.

Product Service Code: Y1FA Construction Of Family Housing Facilities

NAICS Code: 236220, Commercial and Institutional Building Construction with a size standard of $45M

Location: Indian Rte 6290, Tonalea, AZ 86044         County: Coconino

POP: 365 calendar days

Construction Magnitude: Between $5,000,000 and $10,000,000

Contract Type: firm-fixed-priced

TERO: TERO not is applicable.

Update #6 ·

Amendment A05: 

1. The purpose of this solicitation amendment A05 is to (1) Post the remaining questions and answers (Q&As), (2) Post the
iHouse Apt 02 Phase 4 Drawings, (3) post S124 iHouse. and (4) extend the offers due date.
2. Attached are the answers to the remaining questions received, iHouse Apt 02 Phase 4 Drawings, and S124 iHouse
3. The offers due date is extended to 12/01/2026.
4. All other terms and conditions remain unchanged.

Amendment A04: 

1. The purpose of this solicitation amendment A04 is to (1) Post the some of the remaining questions and answers (Q&As), (2) Post the final Geotech Report, and (3) extend the offers due date.
2. Attached are the answers to the some of the remaining questions received and attachment J01a GeoTech 10Sep2024.
3. The offers due date is extended to 11/12/2026.
4. The Government may provide updated attachments when the remaining Q&A’s are posted.
5. All other terms and conditions remain unchanged.

Amendment A03: 

1. The purpose of this solicitation amendment is to extend the offers due date.
2. It is taking longer than expected to respond to the questions received. The offers due date is extended to 10/22/2026.
3. All other terms and conditions remain unchanged.

Amendment A02: 

1. The purpose of this solicitation amendment is to extend the offers due date.
2. It is taking longer than expected to respond to the questions received. The offers due date is extended to 10/08/2026.
3. All other terms and conditions remain unchanged.

Amendment A01: 

1. The purpose of this solicitation amendment A01 is to:
a. Post questions and answers (Q&As),
b. Post the site visit sign-in sheet,
c. Post the Geotech Report,
d. Update a clause,
e. Extend the offers due date.
2. Attached are the questions received to this date with some answers. The Government is researching the rest of the questions and will post those answers soon.
3. Attached is the site visit sign-in sheet.
4. Attached is the Geotech Report.
5. HHSAR clause 352.223-70 Safety and Health is updated to the OCT 2026 version and the full text is provided at the end of this amendment.
6. The offers due date is extended to 09/24/2026.
7. Remember to acknowledge all amendments. Block 11 of the SF-30 provides instructions for acknowledging amendments; it is acceptable to acknowledge on block 19 of the SF-1442.
8. All other terms and conditions remain unchanged.

Request for Proposals 75H70126R00026

iHouse Apartment Construction

Goal: The objective of this project is to adapt and construct a 19-unit apartment building to a new location while ensuring compliance with all applicable local building codes and regulations.

Set-Aside: ISBEE set-aside.

Product Service Code: Y1FA Construction Of Family Housing Facilities

NAICS Code: 236220, Commercial and Institutional Building Construction with a size standard of $45M

Location: Indian Rte 6290, Tonalea, AZ 86044         County: Coconino

POP: 365 calendar days

Construction Magnitude: Between $5,000,000 and $10,000,000

Contract Type: firm-fixed-priced

TERO: TERO not is applicable.

Update #5 ·

Amendment A04: 

1. The purpose of this solicitation amendment A04 is to (1) Post the some of the remaining questions and answers (Q&As), (2) Post the final Geotech Report, and (3) extend the offers due date.
2. Attached are the answers to the some of the remaining questions received and attachment J01a GeoTech 10Sep2024.
3. The offers due date is extended to 11/12/2026.
4. The Government may provide updated attachments when the remaining Q&A’s are posted.
5. All other terms and conditions remain unchanged.

Amendment A03: 

1. The purpose of this solicitation amendment is to extend the offers due date.
2. It is taking longer than expected to respond to the questions received. The offers due date is extended to 10/22/2026.
3. All other terms and conditions remain unchanged.

Amendment A02: 

1. The purpose of this solicitation amendment is to extend the offers due date.
2. It is taking longer than expected to respond to the questions received. The offers due date is extended to 10/08/2026.
3. All other terms and conditions remain unchanged.

Amendment A01: 

1. The purpose of this solicitation amendment A01 is to:
a. Post questions and answers (Q&As),
b. Post the site visit sign-in sheet,
c. Post the Geotech Report,
d. Update a clause,
e. Extend the offers due date.
2. Attached are the questions received to this date with some answers. The Government is researching the rest of the questions and will post those answers soon.
3. Attached is the site visit sign-in sheet.
4. Attached is the Geotech Report.
5. HHSAR clause 352.223-70 Safety and Health is updated to the OCT 2026 version and the full text is provided at the end of this amendment.
6. The offers due date is extended to 09/24/2026.
7. Remember to acknowledge all amendments. Block 11 of the SF-30 provides instructions for acknowledging amendments; it is acceptable to acknowledge on block 19 of the SF-1442.
8. All other terms and conditions remain unchanged.

Request for Proposals 75H70126R00026

iHouse Apartment Construction

Goal: The objective of this project is to adapt and construct a 19-unit apartment building to a new location while ensuring compliance with all applicable local building codes and regulations.

Set-Aside: ISBEE set-aside.

Product Service Code: Y1FA Construction Of Family Housing Facilities

NAICS Code: 236220, Commercial and Institutional Building Construction with a size standard of $45M

Location: Indian Rte 6290, Tonalea, AZ 86044         County: Coconino

POP: 365 calendar days

Construction Magnitude: Between $5,000,000 and $10,000,000

Contract Type: firm-fixed-priced

TERO: TERO not is applicable.

Update #4 ·

Amendment A03: 

1. The purpose of this solicitation amendment is to extend the offers due date.
2. It is taking longer than expected to respond to the questions received. The offers due date is extended to 10/22/2026.
3. All other terms and conditions remain unchanged.

Amendment A02: 

1. The purpose of this solicitation amendment is to extend the offers due date.
2. It is taking longer than expected to respond to the questions received. The offers due date is extended to 10/08/2026.
3. All other terms and conditions remain unchanged.

Amendment A01: 

1. The purpose of this solicitation amendment A01 is to:
a. Post questions and answers (Q&As),
b. Post the site visit sign-in sheet,
c. Post the Geotech Report,
d. Update a clause,
e. Extend the offers due date.
2. Attached are the questions received to this date with some answers. The Government is researching the rest of the questions and will post those answers soon.
3. Attached is the site visit sign-in sheet.
4. Attached is the Geotech Report.
5. HHSAR clause 352.223-70 Safety and Health is updated to the OCT 2026 version and the full text is provided at the end of this amendment.
6. The offers due date is extended to 09/24/2026.
7. Remember to acknowledge all amendments. Block 11 of the SF-30 provides instructions for acknowledging amendments; it is acceptable to acknowledge on block 19 of the SF-1442.
8. All other terms and conditions remain unchanged.

Request for Proposals 75H70126R00026

iHouse Apartment Construction

Goal: The objective of this project is to adapt and construct a 19-unit apartment building to a new location while ensuring compliance with all applicable local building codes and regulations.

Set-Aside: ISBEE set-aside.

Product Service Code: Y1FA Construction Of Family Housing Facilities

NAICS Code: 236220, Commercial and Institutional Building Construction with a size standard of $45M

Location: Indian Rte 6290, Tonalea, AZ 86044         County: Coconino

POP: 365 calendar days

Construction Magnitude: Between $5,000,000 and $10,000,000

Contract Type: firm-fixed-priced

TERO: TERO not is applicable.

Update #3 ·

Amendment A02: 

1. The purpose of this solicitation amendment is to extend the offers due date.
2. It is taking longer than expected to respond to the questions received. The offers due date is extended to 10/08/2026.
3. All other terms and conditions remain unchanged.

Amendment A01: 

1. The purpose of this solicitation amendment A01 is to:
a. Post questions and answers (Q&As),
b. Post the site visit sign-in sheet,
c. Post the Geotech Report,
d. Update a clause,
e. Extend the offers due date.
2. Attached are the questions received to this date with some answers. The Government is researching the rest of the questions and will post those answers soon.
3. Attached is the site visit sign-in sheet.
4. Attached is the Geotech Report.
5. HHSAR clause 352.223-70 Safety and Health is updated to the OCT 2026 version and the full text is provided at the end of this amendment.
6. The offers due date is extended to 09/24/2026.
7. Remember to acknowledge all amendments. Block 11 of the SF-30 provides instructions for acknowledging amendments; it is acceptable to acknowledge on block 19 of the SF-1442.
8. All other terms and conditions remain unchanged.

Request for Proposals 75H70126R00026

iHouse Apartment Construction

Goal: The objective of this project is to adapt and construct a 19-unit apartment building to a new location while ensuring compliance with all applicable local building codes and regulations.

Set-Aside: ISBEE set-aside.

Product Service Code: Y1FA Construction Of Family Housing Facilities

NAICS Code: 236220, Commercial and Institutional Building Construction with a size standard of $45M

Location: Indian Rte 6290, Tonalea, AZ 86044         County: Coconino

POP: 365 calendar days

Construction Magnitude: Between $5,000,000 and $10,000,000

Contract Type: firm-fixed-priced

TERO: TERO not is applicable.

Update #2 ·

Amendment A01: 

1. The purpose of this solicitation amendment A01 is to:
a. Post questions and answers (Q&As),
b. Post the site visit sign-in sheet,
c. Post the Geotech Report,
d. Update a clause,
e. Extend the offers due date.
2. Attached are the questions received to this date with some answers. The Government is researching the rest of the questions and will post those answers soon.
3. Attached is the site visit sign-in sheet.
4. Attached is the Geotech Report.
5. HHSAR clause 352.223-70 Safety and Health is updated to the OCT 2026 version and the full text is provided at the end of this amendment.
6. The offers due date is extended to 09/24/2026.
7. Remember to acknowledge all amendments. Block 11 of the SF-30 provides instructions for acknowledging amendments; it is acceptable to acknowledge on block 19 of the SF-1442.
8. All other terms and conditions remain unchanged.

Request for Proposals 75H70126R00026

iHouse Apartment Construction

Goal: The objective of this project is to adapt and construct a 19-unit apartment building to a new location while ensuring compliance with all applicable local building codes and regulations.

Set-Aside: ISBEE set-aside.

Product Service Code: Y1FA Construction Of Family Housing Facilities

NAICS Code: 236220, Commercial and Institutional Building Construction with a size standard of $45M

Location: Indian Rte 6290, Tonalea, AZ 86044         County: Coconino

POP: 365 calendar days

Construction Magnitude: Between $5,000,000 and $10,000,000

Contract Type: firm-fixed-priced

TERO: TERO not is applicable.

Update #1 ·

Request for Proposals 75H70126R00026

iHouse Apartment Construction

Goal: The objective of this project is to adapt and construct a 19-unit apartment building to a new location while ensuring compliance with all applicable local building codes and regulations.

Set-Aside: ISBEE set-aside.

Product Service Code: Y1FA Construction Of Family Housing Facilities

NAICS Code: 236220, Commercial and Institutional Building Construction with a size standard of $45M

Location: Indian Rte 6290, Tonalea, AZ 86044         County: Coconino

POP: 365 calendar days

Construction Magnitude: Between $5,000,000 and $10,000,000

Contract Type: firm-fixed-priced

TERO: TERO not is applicable.

Files

File Type Posted
J03b iHouse Apt 02 Phase 4 IFC Drawings R2.pdf PDF
A06 SF-30 Updated Attachment iHouse Apartment.pdf PDF
A05 SF-30 QA-Drawings iHouse Apartment Construction.pdf PDF
J03a iHouse Apt 02 Phase 4 Drawings.pdf PDF
QA iHouse Apartment Construction Answers 2Nov2026.pdf PDF
J04a S124 iHouse.pdf PDF
QA iHouse Apartment Construction Answers 14Oct2026.pdf PDF
J01a GeoTech 10Sep2024.pdf PDF
A04 SF-30 QA-GeoTech iHouse Apartment Construction.pdf PDF
A03 SF-30 Ext Offers Due iHouse Apartment Construction.pdf PDF
A02 SF-30 Ext Offers Due iHouse Apartment Construction.pdf PDF
A01 SF-30 QA iHouse Apartment Construction.pdf PDF
A01 Sign-In Sheet Site Visit iHouse.pdf PDF
A01 QA iHouse Apartment Construction 18Aug2026.pdf PDF
A01 GeoTech Report iHouse.pdf PDF
J04 iHouse Apt 03 Phase 4 Specifications.pdf PDF
J09 WH 347 Payroll Exp.pdf PDF
J08 Release of Claims iHouse.docx DOCX document
J99 Optional Form PPQ.docx DOCX document
J03 iHouse Apt 02 Phase 4 Drawings.pdf PDF
J02 iHouse Apt 01 Phase 4 BOD.pdf PDF
J07 IHS IEE Representation Form iHouse.pdf PDF
B01 RFP 75H70126R00026 iHouse.pdf PDF
J01 SOW iHouse.pdf PDF
J05 Wage Det AZ20260043 18May2026.pdf PDF
J06 Self Performed Calculation Sheet iHouse.docx DOCX document
Show all 26

Notice history

Notice Type Posted
This notice Latest solicitation Solicitation
iHouse Apartment Construction Original Pre-Solicitation

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